From ab58f121e95ab251a511547bc999dbe47eb64ec1 Mon Sep 17 00:00:00 2001
From: Daniel Kurowski <daniel.kurowski@grifart.cz>
Date: Tue, 8 Nov 2022 14:10:27 +0100
Subject: [PATCH] rebuild
---
dist/Hash.d.ts | 7 +++
dist/HashTarget.d.ts | 5 +-
dist/index.d.ts | 4 +-
dist/index.esm.js | 85 +++++++++++++-------------
dist/index.esm.js.map | 2 +-
dist/index.js | 95 +++++++++++++++---------------
dist/index.js.map | 2 +-
dist/scrollers/scrollToTarget.d.ts | 4 +-
8 files changed, 103 insertions(+), 101 deletions(-)
create mode 100644 dist/Hash.d.ts
diff --git a/dist/Hash.d.ts b/dist/Hash.d.ts
new file mode 100644
index 0000000..579af82
--- /dev/null
+++ b/dist/Hash.d.ts
@@ -0,0 +1,7 @@
+export declare class Hash {
+ private readonly value;
+ private constructor();
+ static fromString(value: string): Hash;
+ getValue(): string;
+ findTargetElementIn(document: HTMLDocument): HTMLElement;
+}
diff --git a/dist/HashTarget.d.ts b/dist/HashTarget.d.ts
index aa7eeda..ffba0e7 100644
--- a/dist/HashTarget.d.ts
+++ b/dist/HashTarget.d.ts
@@ -1,8 +1,7 @@
export declare class HashTarget {
private readonly value;
- private readonly targetElement;
private constructor();
- static fromString(value: string, document: HTMLDocument): HashTarget;
+ static fromString(value: string): HashTarget;
getHash(): string;
- getElement(): HTMLElement;
+ getRefElement(document: HTMLDocument): HTMLElement;
}
diff --git a/dist/index.d.ts b/dist/index.d.ts
index f22f8f6..cfca91d 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -1,7 +1,7 @@
import { scrollToElement } from './scrollers/scrollToElement';
import { scrollToOffset } from './scrollers/scrollToOffset';
import { scrollToTarget } from './scrollers/scrollToTarget';
-import { HashTarget } from './HashTarget';
+import { Hash } from './Hash';
declare function handleOnLoadScroll(): void;
declare function handleOnLinkClickScroll(): void;
-export { HashTarget, handleOnLoadScroll, handleOnLinkClickScroll, scrollToElement, scrollToOffset, scrollToTarget, };
+export { Hash, handleOnLoadScroll, handleOnLinkClickScroll, scrollToElement, scrollToOffset, scrollToTarget, };
diff --git a/dist/index.esm.js b/dist/index.esm.js
index cb57489..2291b82 100644
--- a/dist/index.esm.js
+++ b/dist/index.esm.js
@@ -1,16 +1,19 @@
import * as Velocity from 'velocity-animate';
-var EASE_IN_SKIP_OUT_EASING = 'ease-in-skip-out'; // e.g. (5, 5, 10, 500, 1000) => 500
-// e.g. (5, 0, 10, 500, 1000) => 750
+var EASE_IN_SKIP_OUT_EASING = 'ease-in-skip-out';
+// e.g. (5, 5, 10, 500, 1000) => 500
+// e.g. (5, 0, 10, 500, 1000) => 750
var mapIntervalLinear = function mapIntervalLinear(number, originalFrom, originalTo, newFrom, newTo) {
var oldDistance = originalTo - originalFrom;
- var newDistance = newTo - newFrom; // normalize value into interval 0 .. 1
-
- var normalized = (number - originalFrom) / oldDistance; // extend and move normalized value into new interval
+ var newDistance = newTo - newFrom;
+ // normalize value into interval 0 .. 1
+ var normalized = (number - originalFrom) / oldDistance;
+ // extend and move normalized value into new interval
return normalized * newDistance + newFrom;
};
+
/**
* Composes easings together, splits time into half.
*
@@ -18,8 +21,6 @@ var mapIntervalLinear = function mapIntervalLinear(number, originalFrom, origina
* @param secondHalfEasingFn second half of easing
* @return {function(*=, *=, *=)} the composed easing
*/
-
-
var composeEasing = function composeEasing(firstHalfEasingFn, secondHalfEasingFn) {
// time: The call's completion percentage (decimal value).
// opts (optional): The options object passed into the triggering Velocity call.
@@ -27,21 +28,21 @@ var composeEasing = function composeEasing(firstHalfEasingFn, secondHalfEasingFn
return function (time, opts, tweenDelta) {
if (time < 0.5) {
var normalizedTime = mapIntervalLinear(time, 0, 0.5, 0, 1); // map 0 - 0.5 => 0 - 1
-
return mapIntervalLinear(firstHalfEasingFn(normalizedTime, opts, tweenDelta), 0, 1, 0, 0.5); // map 1 - 0 => 0 - 0.5
} else {
var _normalizedTime = mapIntervalLinear(time, 0.5, 1, 0, 1); // map 0 - 0.5 => 0 - 1
-
-
return mapIntervalLinear(secondHalfEasingFn(_normalizedTime, opts, tweenDelta), 0, 1, 0.5, 1); // map 1 - 0 => 0 - 0.5
}
};
};
var computeHowMuchToSkip = function computeHowMuchToSkip(tweenDelta) {
- var howManyScreens = Math.abs(tweenDelta) / window.innerHeight; // 0 .. 1 (percents)
+ var howManyScreens = Math.abs(tweenDelta) / window.innerHeight;
+
+ // 0 .. 1 (percents)
+ var howMuchToSkip = 0;
- var howMuchToSkip = 0; // by testing in browser we have found following values as smooth:
+ // by testing in browser we have found following values as smooth:
// howManyScreens .. howMuchToSkip
// 1 .. 0%
// 2 .. 0%
@@ -50,7 +51,6 @@ var computeHowMuchToSkip = function computeHowMuchToSkip(tweenDelta) {
// 30 .. 85%
// 60 .. 90%
// 100 .. 90%
-
if (howManyScreens <= 2) {
howMuchToSkip = 0;
} else if (howManyScreens <= 4) {
@@ -69,45 +69,44 @@ var computeHowMuchToSkip = function computeHowMuchToSkip(tweenDelta) {
// > 60 screens; skip 90% of content
howMuchToSkip = 0.9;
}
-
return howMuchToSkip;
};
-
var bindEasingToVelocity = function bindEasingToVelocity(velocity) {
velocity.Easings[EASE_IN_SKIP_OUT_EASING] = composeEasing(function (time, opts, tweenDelta) {
- return mapIntervalLinear(velocity.Easings['ease-in'](time, opts, tweenDelta), 0, 1, // from interval
+ return mapIntervalLinear(velocity.Easings['ease-in'](time, opts, tweenDelta), 0, 1,
+ // from interval
0, 1 - computeHowMuchToSkip(tweenDelta) // to interval
);
}, function (time, opts, tweenDelta) {
- return mapIntervalLinear(velocity.Easings['ease-out'](time, opts, tweenDelta), 0, 1, // from interval
+ return mapIntervalLinear(velocity.Easings['ease-out'](time, opts, tweenDelta), 0, 1,
+ // from interval
computeHowMuchToSkip(tweenDelta), 1 // to interval
);
});
};
-var HashTarget = (function () {
- function HashTarget(value, targetElement) {
+var Hash = (function () {
+ function Hash(value) {
this.value = value;
- this.targetElement = targetElement;
}
- HashTarget.fromString = function (value, document) {
+ Hash.fromString = function (value) {
if (value === '' || value === '#') {
throw new Error('Hash does not contain any fragment.');
}
- var targetElementId = value.substring(1);
- var targetElement = document.getElementById(targetElementId);
- if (targetElement === null) {
- throw new Error("No referenced element with ID " + targetElementId + " exists.");
- }
- return new this(value, targetElement);
+ return new this(value);
};
- HashTarget.prototype.getHash = function () {
+ Hash.prototype.getValue = function () {
return this.value;
};
- HashTarget.prototype.getElement = function () {
- return this.targetElement;
+ Hash.prototype.findTargetElementIn = function (document) {
+ var targetElementId = this.value.substring(1);
+ var targetElement = document.getElementById(targetElementId);
+ if (targetElement === null) {
+ throw new Error("No referenced element with ID ".concat(targetElementId, " exists."));
+ }
+ return targetElement;
};
- return HashTarget;
+ return Hash;
}());
function scrollToElement(element, onScrollFinishedCallback) {
@@ -162,13 +161,13 @@ function assert(condition, message) {
}
}
-function scrollToTarget(hashTarget, onScrollFinishedCallback) {
- if (typeof hashTarget === 'string') {
- hashTarget = HashTarget.fromString(hashTarget, document);
+function scrollToTarget(targetHash, onScrollFinishedCallback) {
+ if (typeof targetHash === 'string') {
+ targetHash = Hash.fromString(targetHash);
}
- scrollToElement(hashTarget.getElement(), function () {
- assert(hashTarget instanceof HashTarget);
- window.location.hash = hashTarget.getHash();
+ scrollToElement(targetHash.findTargetElementIn(document), function () {
+ assert(targetHash instanceof Hash);
+ window.location.hash = targetHash.getValue();
onScrollFinishedCallback !== undefined && onScrollFinishedCallback();
});
}
@@ -178,16 +177,16 @@ function initializeOnLoadScroll() {
if (hash === '' || hash === '#') {
return;
}
- var hashTarget = null;
+ var targetHash = null;
var start = performance.now();
document.addEventListener('DOMContentLoaded', function () {
try {
- hashTarget = HashTarget.fromString(hash, document);
+ targetHash = Hash.fromString(hash);
}
catch (e) { }
});
window.addEventListener('load', function () {
- if (hashTarget === null) {
+ if (targetHash === null) {
return;
}
var end = performance.now();
@@ -195,7 +194,7 @@ function initializeOnLoadScroll() {
return;
}
window.scroll({ top: 0, left: 0 });
- scrollToTarget(hashTarget);
+ scrollToTarget(targetHash);
});
}
@@ -209,7 +208,7 @@ function initializeOnLinkClickScroll() {
return;
}
event.preventDefault();
- scrollToTarget(HashTarget.fromString(element.hash, document));
+ scrollToTarget(Hash.fromString(element.hash));
});
});
});
@@ -232,5 +231,5 @@ function handleOnLinkClickScroll() {
initializeOnLinkClickScroll();
}
-export { HashTarget, handleOnLinkClickScroll, handleOnLoadScroll, scrollToElement, scrollToOffset, scrollToTarget };
+export { Hash, handleOnLinkClickScroll, handleOnLoadScroll, scrollToElement, scrollToOffset, scrollToTarget };
//# sourceMappingURL=index.esm.js.map
diff --git a/dist/index.esm.js.map b/dist/index.esm.js.map
index adf4987..ea75783 100644
--- a/dist/index.esm.js.map
+++ b/dist/index.esm.js.map
@@ -1 +1 @@
-{"version":3,"file":"index.esm.js","sources":["../src/easing/bindEasingToVelocity.js","../src/HashTarget.ts","../src/scrollers/scrollToElement.ts","../node_modules/tslib/tslib.es6.js","../src/assert.ts","../src/scrollers/scrollToTarget.ts","../src/handlers/loadScroll/initializeOnLoadScroll.ts","../src/handlers/linkClickScroll/initializeOnLinkClickScroll.ts","../src/scrollers/scrollToOffset.ts","../src/index.ts"],"sourcesContent":["export const EASE_IN_SKIP_OUT_EASING = 'ease-in-skip-out';\r\n\r\n// e.g. (5, 5, 10, 500, 1000) => 500\r\n// e.g. (5, 0, 10, 500, 1000) => 750\r\nconst mapIntervalLinear = (number, originalFrom, originalTo, newFrom, newTo) => {\r\n\tconst oldDistance = originalTo - originalFrom;\r\n\tconst newDistance = newTo - newFrom;\r\n\r\n\t// normalize value into interval 0 .. 1\r\n\tconst normalized = (number - originalFrom) / oldDistance;\r\n\t// extend and move normalized value into new interval\r\n\treturn (normalized * newDistance) + newFrom;\r\n};\r\n\r\n/**\r\n * Composes easings together, splits time into half.\r\n *\r\n * @param firstHalfEasingFn first half of easing\r\n * @param secondHalfEasingFn second half of easing\r\n * @return {function(*=, *=, *=)} the composed easing\r\n */\r\nconst composeEasing = (firstHalfEasingFn, secondHalfEasingFn) => {\r\n\r\n\t// time: The call's completion percentage (decimal value).\r\n\t// opts (optional): The options object passed into the triggering Velocity call.\r\n\t// tweenDelta (optional): The difference between the animating property's ending value and its starting value.\r\n\treturn (time, opts, tweenDelta) => {\r\n\t\tif (time < 0.5) {\r\n\t\t\tconst normalizedTime = mapIntervalLinear(time, 0, 0.5, 0, 1); // map 0 - 0.5 => 0 - 1\r\n\t\t\treturn mapIntervalLinear(firstHalfEasingFn(normalizedTime, opts, tweenDelta), 0, 1, 0, 0.5); // map 1 - 0 => 0 - 0.5\r\n\r\n\t\t} else {\r\n\t\t\tconst normalizedTime = mapIntervalLinear(time, 0.5, 1, 0, 1); // map 0 - 0.5 => 0 - 1\r\n\t\t\treturn mapIntervalLinear(secondHalfEasingFn(normalizedTime, opts, tweenDelta), 0, 1, 0.5, 1); // map 1 - 0 => 0 - 0.5\r\n\t\t}\r\n\t}\r\n};\r\n\r\nconst computeHowMuchToSkip = (tweenDelta) => {\r\n\tconst howManyScreens = Math.abs(tweenDelta) / window.innerHeight;\r\n\r\n\t// 0 .. 1 (percents)\r\n\tlet howMuchToSkip = 0;\r\n\r\n\t// by testing in browser we have found following values as smooth:\r\n\t// howManyScreens .. howMuchToSkip\r\n\t// 1 .. 0%\r\n\t// 2 .. 0%\r\n\t// 3 .. 30%\r\n\t// 8 .. 60%\r\n\t// 30 .. 85%\r\n\t// 60 .. 90%\r\n\t// 100 .. 90%\r\n\tif (howManyScreens <= 2) {\r\n\t\thowMuchToSkip = 0;\r\n\t} else if (howManyScreens <= 4) { // 2 - 4 screens; skip 0% - 30% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 2, 4, 0, 0.3);\r\n\t} else if (howManyScreens <= 8) { // 4 - 8 screens; skip 30% - 60% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 4, 8, 0.3, 0.6);\r\n\t} else if (howManyScreens <= 30) { // 8 - 30 screens; skip 60% - 85% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 8, 30, 0.6, 0.85);\r\n\t} else if (howManyScreens <= 60) { // 30 - 60 screens; skip 85% - 30% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 30, 60, 0.85, 0.9);\r\n\t} else { // > 60 screens; skip 90% of content\r\n\t\thowMuchToSkip = 0.9;\r\n\t}\r\n\r\n\treturn howMuchToSkip;\r\n};\r\n\r\nconst bindEasingToVelocity = (velocity) => {\r\n\tvelocity.Easings[EASE_IN_SKIP_OUT_EASING] = composeEasing(\r\n\t\t(time, opts, tweenDelta) => mapIntervalLinear(\r\n\t\t\tvelocity.Easings['ease-in'](time, opts, tweenDelta),\r\n\t\t\t0, 1, // from interval\r\n\t\t\t0, 1 - computeHowMuchToSkip(tweenDelta), // to interval\r\n\t\t),\r\n\t\t(time, opts, tweenDelta) => mapIntervalLinear(\r\n\t\t\tvelocity.Easings['ease-out'](time, opts, tweenDelta),\r\n\t\t\t0, 1, // from interval\r\n\t\t\tcomputeHowMuchToSkip(tweenDelta), 1, // to interval\r\n\t\t),\r\n\t);\r\n};\r\n\r\nexport default bindEasingToVelocity;\r\n","/**\r\n * Represents valid hash as per https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/hash\r\n */\r\nexport class HashTarget\r\n{\r\n\tprivate constructor(\r\n\t\tprivate readonly value: string,\r\n\t\tprivate readonly targetElement: HTMLElement,\r\n\t) {}\r\n\r\n\tpublic static fromString(value: string, document: HTMLDocument): HashTarget\r\n\t{\r\n\t\tif (value === '' || value === '#') {\r\n\t\t\tthrow new Error('Hash does not contain any fragment.');\r\n\t\t}\r\n\r\n\t\tconst targetElementId = value.substring(1);\r\n\t\tconst targetElement = document.getElementById(targetElementId);\r\n\t\tif (targetElement === null) {\r\n\t\t\tthrow new Error(`No referenced element with ID ${targetElementId} exists.`);\r\n\t\t}\r\n\r\n\t\treturn new this(value, targetElement);\r\n\t}\r\n\r\n\tpublic getHash(): string\r\n\t{\r\n\t\treturn this.value;\r\n\t}\r\n\r\n\tpublic getElement(): HTMLElement\r\n\t{\r\n\t\treturn this.targetElement;\r\n\t}\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport {EASE_IN_SKIP_OUT_EASING} from '../easing/bindEasingToVelocity';\r\n\r\nexport function scrollToElement(element: HTMLElement, onScrollFinishedCallback?: () => void): void\r\n{\r\n\tVelocity.animate(element, 'scroll', {\r\n\t\tduration: 1200, // todo: different depending on offset from page top?\r\n\t\teasing: EASE_IN_SKIP_OUT_EASING,\r\n\t\tcomplete: () => onScrollFinishedCallback !== undefined && onScrollFinishedCallback(),\r\n\t});\r\n}\r\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from) {\r\n for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)\r\n to[j] = from[i];\r\n return to;\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","export class AssertionError extends Error {}\r\nexport function assert(condition: any, message?: string): asserts condition {\r\n\tif ( ! condition) {\r\n\t\tthrow new AssertionError(message);\r\n\t}\r\n}\r\n","import {HashTarget} from '../HashTarget';\r\nimport {scrollToElement} from './scrollToElement';\r\nimport {assert} from '../assert';\r\n\r\nexport function scrollToTarget(hashTarget: HashTarget|string, onScrollFinishedCallback?: () => void): void\r\n{\r\n\tif (typeof hashTarget === 'string') {\r\n\t\thashTarget = HashTarget.fromString(hashTarget, document);\r\n\t}\r\n\r\n\tscrollToElement(\r\n\t\thashTarget.getElement(),\r\n\t\t() => {\r\n\t\t\tassert(hashTarget instanceof HashTarget);\r\n\t\t\twindow.location.hash = hashTarget.getHash();\r\n\t\t\tonScrollFinishedCallback !== undefined && onScrollFinishedCallback();\r\n\t\t},\r\n\t);\r\n}\r\n","import {scrollToTarget} from '../../scrollers/scrollToTarget';\r\nimport {HashTarget} from '../../HashTarget';\r\nimport {assert} from '../../assert';\r\n\r\n/**\r\n * Scrolls smoothly to an element if there is a hash in the URL.\r\n * E.g. you have `#example` in URL, then it scrolls to element with id `example`.\r\n *\r\n * Note:\r\n * Because of UX, this behaviour is limited only when whole document is loaded in less than 500ms.\r\n * Otherwise, it jumps directly to desired element without smooth scrolling, because too visible jumping through the page would appear.\r\n */\r\nexport function initializeOnLoadScroll(): void\r\n{\r\n\tconst hash = window.location.hash;\r\n\tif (hash === '' || hash === '#') {\r\n\t\treturn;\r\n\t}\r\n\r\n\tlet hashTarget: HashTarget|null = null;\r\n\tconst start = performance.now();\r\n\r\n\tdocument.addEventListener('DOMContentLoaded', () => {\r\n\t\ttry {\r\n\t\t\thashTarget = HashTarget.fromString(hash, document);\r\n\t\t} catch (e) {} // when URL contains hash which has no corresponding DOM element, just ignore it\r\n\t});\r\n\r\n\t/**\r\n\t * The `load` event has been chosen intentionally as it is the state when everything is ready -\r\n\t * all styles are loaded and offsets are computed correctly - so the scroll will be computed correctly.\r\n\t */\r\n\twindow.addEventListener('load', () => {\r\n\t\tif (hashTarget === null) { // if target does not exist\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tconst end = performance.now();\r\n\r\n\t\t// If difference between start and stop is greater than 500ms, do nothing.\r\n\t\tif (end - start > 500) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\t// First, we need to go to top immediately (hack to prevent jump to desired element).\r\n\t\twindow.scroll({top: 0, left: 0});\r\n\r\n\t\t// Then, scroll down to it smoothly.\r\n\t\tscrollToTarget(hashTarget);\r\n\t});\r\n}\r\n","import {scrollToTarget} from '../../scrollers/scrollToTarget';\r\nimport {assert} from '../../assert';\r\nimport {HashTarget} from '../../HashTarget';\r\n\r\nexport function initializeOnLinkClickScroll(): void\r\n{\r\n\tdocument.addEventListener('DOMContentLoaded', () =>\r\n\t\tdocument.querySelectorAll('a[href^=\"#\"]').forEach((item) =>\r\n\t\t\titem.addEventListener('click', (event) => {\r\n\t\t\t\tconst element = event.currentTarget as HTMLAnchorElement;\r\n\t\t\t\tassert(element !== null);\r\n\r\n\t\t\t\tif (element.hash === '' || element.hash === '#') {\r\n\t\t\t\t\treturn;\r\n\t\t\t\t}\r\n\r\n\t\t\t\tevent.preventDefault();\r\n\t\t\t\tscrollToTarget(HashTarget.fromString(element.hash, document));\r\n\t\t\t})));\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport {EASE_IN_SKIP_OUT_EASING} from '../easing/bindEasingToVelocity';\r\n\r\nexport function scrollToOffset(\r\n\ttopOffset: number,\r\n\tonScrollFinishedCallback?: () => void,\r\n): void\r\n{\r\n\t/**\r\n\t * Setting `<html>` as the element to scroll to with offset simulates `window.scrollTo()` behavior.\r\n\t * See last paragraph at http://velocityjs.org/#scroll\r\n\t */\r\n\tVelocity.animate(document.documentElement, 'scroll', {\r\n\t\tduration: 1200, // todo: different depending on offset from page top?\r\n\t\toffset: topOffset,\r\n\t\teasing: EASE_IN_SKIP_OUT_EASING,\r\n\t\tcomplete: onScrollFinishedCallback,\r\n\t});\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport bindEasingToVelocity from './easing/bindEasingToVelocity';\r\nimport {initializeOnLoadScroll} from './handlers/loadScroll/initializeOnLoadScroll';\r\nimport {initializeOnLinkClickScroll} from './handlers/linkClickScroll/initializeOnLinkClickScroll';\r\nimport {scrollToElement} from './scrollers/scrollToElement';\r\nimport {scrollToOffset} from './scrollers/scrollToOffset';\r\nimport {scrollToTarget} from './scrollers/scrollToTarget';\r\nimport {HashTarget} from './HashTarget';\r\n\r\n\r\n// bind automatically on library import\r\nbindEasingToVelocity(Velocity);\r\n\r\n\r\nfunction handleOnLoadScroll(): void\r\n{\r\n\tinitializeOnLoadScroll();\r\n}\r\n\r\nfunction handleOnLinkClickScroll(): void\r\n{\r\n\tinitializeOnLinkClickScroll();\r\n}\r\n\r\nexport 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+{"version":3,"file":"index.esm.js","sources":["../src/easing/bindEasingToVelocity.js","../src/Hash.ts","../src/scrollers/scrollToElement.ts","../node_modules/tslib/tslib.es6.js","../src/assert.ts","../src/scrollers/scrollToTarget.ts","../src/handlers/loadScroll/initializeOnLoadScroll.ts","../src/handlers/linkClickScroll/initializeOnLinkClickScroll.ts","../src/scrollers/scrollToOffset.ts","../src/index.ts"],"sourcesContent":["export const EASE_IN_SKIP_OUT_EASING = 'ease-in-skip-out';\r\n\r\n// e.g. (5, 5, 10, 500, 1000) => 500\r\n// e.g. (5, 0, 10, 500, 1000) => 750\r\nconst mapIntervalLinear = (number, originalFrom, originalTo, newFrom, newTo) => {\r\n\tconst oldDistance = originalTo - originalFrom;\r\n\tconst newDistance = newTo - newFrom;\r\n\r\n\t// normalize value into interval 0 .. 1\r\n\tconst normalized = (number - originalFrom) / oldDistance;\r\n\t// extend and move normalized value into new interval\r\n\treturn (normalized * newDistance) + newFrom;\r\n};\r\n\r\n/**\r\n * Composes easings together, splits time into half.\r\n *\r\n * @param firstHalfEasingFn first half of easing\r\n * @param secondHalfEasingFn second half of easing\r\n * @return {function(*=, *=, *=)} the composed easing\r\n */\r\nconst composeEasing = (firstHalfEasingFn, secondHalfEasingFn) => {\r\n\r\n\t// time: The call's completion percentage (decimal value).\r\n\t// opts (optional): The options object passed into the triggering Velocity call.\r\n\t// tweenDelta (optional): The difference between the animating property's ending value and its starting value.\r\n\treturn (time, opts, tweenDelta) => {\r\n\t\tif (time < 0.5) {\r\n\t\t\tconst normalizedTime = mapIntervalLinear(time, 0, 0.5, 0, 1); 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skip 30% - 60% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 4, 8, 0.3, 0.6);\r\n\t} else if (howManyScreens <= 30) { // 8 - 30 screens; skip 60% - 85% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 8, 30, 0.6, 0.85);\r\n\t} else if (howManyScreens <= 60) { // 30 - 60 screens; skip 85% - 30% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 30, 60, 0.85, 0.9);\r\n\t} else { // > 60 screens; skip 90% of content\r\n\t\thowMuchToSkip = 0.9;\r\n\t}\r\n\r\n\treturn howMuchToSkip;\r\n};\r\n\r\nconst bindEasingToVelocity = (velocity) => {\r\n\tvelocity.Easings[EASE_IN_SKIP_OUT_EASING] = composeEasing(\r\n\t\t(time, opts, tweenDelta) => mapIntervalLinear(\r\n\t\t\tvelocity.Easings['ease-in'](time, opts, tweenDelta),\r\n\t\t\t0, 1, // from interval\r\n\t\t\t0, 1 - computeHowMuchToSkip(tweenDelta), // to interval\r\n\t\t),\r\n\t\t(time, opts, tweenDelta) => mapIntervalLinear(\r\n\t\t\tvelocity.Easings['ease-out'](time, opts, tweenDelta),\r\n\t\t\t0, 1, // from interval\r\n\t\t\tcomputeHowMuchToSkip(tweenDelta), 1, // to interval\r\n\t\t),\r\n\t);\r\n};\r\n\r\nexport default bindEasingToVelocity;\r\n","/**\r\n * Represents valid hash as per https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/hash\r\n */\r\nexport class Hash\r\n{\r\n\tprivate constructor(\r\n\t\tprivate readonly value: string,\r\n\t) {}\r\n\r\n\tpublic static fromString(value: string): Hash\r\n\t{\r\n\t\tif (value === '' || value === '#') {\r\n\t\t\tthrow new Error('Hash does not contain any fragment.');\r\n\t\t}\r\n\r\n\t\treturn new this(value);\r\n\t}\r\n\r\n\tpublic getValue(): string\r\n\t{\r\n\t\treturn this.value;\r\n\t}\r\n\r\n\tpublic findTargetElementIn(document: HTMLDocument): HTMLElement\r\n\t{\r\n\t\tconst targetElementId = this.value.substring(1);\r\n\t\tconst targetElement = document.getElementById(targetElementId);\r\n\t\tif (targetElement === null) {\r\n\t\t\tthrow new Error(`No referenced element with ID ${targetElementId} exists.`);\r\n\t\t}\r\n\r\n\t\treturn targetElement;\r\n\t}\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport {EASE_IN_SKIP_OUT_EASING} from '../easing/bindEasingToVelocity';\r\n\r\nexport function scrollToElement(element: HTMLElement, onScrollFinishedCallback?: () => void): void\r\n{\r\n\tVelocity.animate(element, 'scroll', {\r\n\t\tduration: 1200, // todo: different depending on offset from page top?\r\n\t\teasing: EASE_IN_SKIP_OUT_EASING,\r\n\t\tcomplete: () => onScrollFinishedCallback !== undefined && onScrollFinishedCallback(),\r\n\t});\r\n}\r\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from) {\r\n for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)\r\n to[j] = from[i];\r\n return to;\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","export class AssertionError extends Error {}\r\nexport function assert(condition: any, message?: string): asserts condition {\r\n\tif ( ! condition) {\r\n\t\tthrow new AssertionError(message);\r\n\t}\r\n}\r\n","import {Hash} from '../Hash';\r\nimport {scrollToElement} from './scrollToElement';\r\nimport {assert} from '../assert';\r\n\r\nexport function scrollToTarget(targetHash: Hash|string, onScrollFinishedCallback?: () => void): void\r\n{\r\n\tif (typeof targetHash === 'string') {\r\n\t\ttargetHash = Hash.fromString(targetHash);\r\n\t}\r\n\r\n\tscrollToElement(\r\n\t\ttargetHash.findTargetElementIn(document),\r\n\t\t() => {\r\n\t\t\tassert(targetHash instanceof Hash);\r\n\t\t\twindow.location.hash = targetHash.getValue();\r\n\t\t\tonScrollFinishedCallback !== undefined && onScrollFinishedCallback();\r\n\t\t},\r\n\t);\r\n}\r\n","import {scrollToTarget} from '../../scrollers/scrollToTarget';\r\nimport {Hash} from '../../Hash';\r\nimport {assert} from '../../assert';\r\n\r\n/**\r\n * Scrolls smoothly to an element if there is a hash in the URL.\r\n * E.g. you have `#example` in URL, then it scrolls to element with id `example`.\r\n *\r\n * Note:\r\n * Because of UX, this behaviour is limited only when whole document is loaded in less than 500ms.\r\n * Otherwise, it jumps directly to desired element without smooth scrolling, because too visible jumping through the page would appear.\r\n */\r\nexport function initializeOnLoadScroll(): void\r\n{\r\n\tconst hash = window.location.hash;\r\n\tif (hash === '' || hash === '#') {\r\n\t\treturn;\r\n\t}\r\n\r\n\tlet targetHash: Hash|null = null;\r\n\tconst start = performance.now();\r\n\r\n\tdocument.addEventListener('DOMContentLoaded', () => {\r\n\t\ttry {\r\n\t\t\ttargetHash = Hash.fromString(hash);\r\n\t\t} catch (e) {} // when URL contains hash which has no corresponding DOM element, just ignore it\r\n\t});\r\n\r\n\t/**\r\n\t * The `load` event has been chosen intentionally as it is the state when everything is ready -\r\n\t * all styles are loaded and offsets are computed correctly - so the scroll will be computed correctly.\r\n\t */\r\n\twindow.addEventListener('load', () => {\r\n\t\tif (targetHash === null) { // if hash does not exist\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tconst end = performance.now();\r\n\r\n\t\t// If difference between start and stop is greater than 500ms, do nothing.\r\n\t\tif (end - start > 500) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\t// First, we need to go to top immediately (hack to prevent jump to desired element).\r\n\t\twindow.scroll({top: 0, left: 0});\r\n\r\n\t\t// Then, scroll down to it smoothly.\r\n\t\tscrollToTarget(targetHash);\r\n\t});\r\n}\r\n","import {scrollToTarget} from '../../scrollers/scrollToTarget';\r\nimport {assert} from '../../assert';\r\nimport {Hash} from '../../Hash';\r\n\r\nexport function initializeOnLinkClickScroll(): void\r\n{\r\n\tdocument.addEventListener('DOMContentLoaded', () =>\r\n\t\tdocument.querySelectorAll('a[href^=\"#\"]').forEach((item) =>\r\n\t\t\titem.addEventListener('click', (event) => {\r\n\t\t\t\tconst element = event.currentTarget as HTMLAnchorElement;\r\n\t\t\t\tassert(element !== null);\r\n\r\n\t\t\t\tif (element.hash === '' || element.hash === '#') {\r\n\t\t\t\t\treturn;\r\n\t\t\t\t}\r\n\r\n\t\t\t\tevent.preventDefault();\r\n\t\t\t\tscrollToTarget(Hash.fromString(element.hash));\r\n\t\t\t})));\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport {EASE_IN_SKIP_OUT_EASING} from '../easing/bindEasingToVelocity';\r\n\r\nexport function scrollToOffset(\r\n\ttopOffset: number,\r\n\tonScrollFinishedCallback?: () => void,\r\n): void\r\n{\r\n\t/**\r\n\t * Setting `<html>` as the element to scroll to with offset simulates `window.scrollTo()` behavior.\r\n\t * See last paragraph at http://velocityjs.org/#scroll\r\n\t */\r\n\tVelocity.animate(document.documentElement, 'scroll', {\r\n\t\tduration: 1200, // todo: different depending on offset from page top?\r\n\t\toffset: topOffset,\r\n\t\teasing: EASE_IN_SKIP_OUT_EASING,\r\n\t\tcomplete: onScrollFinishedCallback,\r\n\t});\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport bindEasingToVelocity from './easing/bindEasingToVelocity';\r\nimport {initializeOnLoadScroll} from './handlers/loadScroll/initializeOnLoadScroll';\r\nimport {initializeOnLinkClickScroll} from './handlers/linkClickScroll/initializeOnLinkClickScroll';\r\nimport {scrollToElement} from './scrollers/scrollToElement';\r\nimport {scrollToOffset} from './scrollers/scrollToOffset';\r\nimport {scrollToTarget} from './scrollers/scrollToTarget';\r\nimport {Hash} from './Hash';\r\n\r\n\r\n// bind automatically on library import\r\nbindEasingToVelocity(Velocity);\r\n\r\n\r\nfunction handleOnLoadScroll(): void\r\n{\r\n\tinitializeOnLoadScroll();\r\n}\r\n\r\nfunction handleOnLinkClickScroll(): void\r\n{\r\n\tinitializeOnLinkClickScroll();\r\n}\r\n\r\nexport {\r\n\tHash,\r\n\thandleOnLoadScroll,\r\n\thandleOnLinkClickScroll,\r\n\tscrollToElement,\r\n\tscrollToOffset,\r\n\tscrollToTarget,\r\n};\r\n"],"names":["EASE_IN_SKIP_OUT_EASING","mapIntervalLinear","number","originalFrom","originalTo","newFrom","newTo","oldDistance","newDistance","normalized","composeEasing","firstHalfEasingFn","secondHalfEasingFn","time","opts","tweenDelta","normalizedTime","computeHowMuchToSkip","howManyScreens","Math","abs","window","innerHeight","howMuchToSkip","bindEasingToVelocity","velocity","Easings"],"mappings":";;AAAO,IAAMA,uBAAuB,GAAG,kBAAkB,CAAA;;AAEzD;AACA;AACA,IAAMC,iBAAiB,GAAG,SAApBA,iBAAiB,CAAIC,MAAM,EAAEC,YAAY,EAAEC,UAAU,EAAEC,OAAO,EAAEC,KAAK,EAAK;AAC/E,EAAA,IAAMC,WAAW,GAAGH,UAAU,GAAGD,YAAY,CAAA;AAC7C,EAAA,IAAMK,WAAW,GAAGF,KAAK,GAAGD,OAAO,CAAA;;AAEnC;AACA,EAAA,IAAMI,UAAU,GAAG,CAACP,MAAM,GAAGC,YAAY,IAAII,WAAW,CAAA;AACxD;AACA,EAAA,OAAQE,UAAU,GAAGD,WAAW,GAAIH,OAAO,CAAA;AAC5C,CAAC,CAAA;;AAED;AACA;AACA;AACA;AACA;AACA;AACA;AACA,IAAMK,aAAa,GAAG,SAAhBA,aAAa,CAAIC,iBAAiB,EAAEC,kBAAkB,EAAK;AAEhE;AACA;AACA;AACA,EAAA,OAAO,UAACC,IAAI,EAAEC,IAAI,EAAEC,UAAU,EAAK;IAClC,IAAIF,IAAI,GAAG,GAAG,EAAE;AACf,MAAA,IAAMG,cAAc,GAAGf,iBAAiB,CAACY,IAAI,EAAE,CAAC,EAAE,GAAG,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC;MAC7D,OAAOZ,iBAAiB,CAACU,iBAAiB,CAACK,cAAc,EAAEF,IAAI,EAAEC,UAAU,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,GAAG,CAAC,CAAC;AAE7F,KAAC,MAAM;AACN,MAAA,IAAMC,eAAc,GAAGf,iBAAiB,CAACY,IAAI,EAAE,GAAG,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC;MAC7D,OAAOZ,iBAAiB,CAACW,kBAAkB,CAACI,eAAc,EAAEF,IAAI,EAAEC,UAAU,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,GAAG,EAAE,CAAC,CAAC,CAAC;AAC9F,KAAA;GACA,CAAA;AACF,CAAC,CAAA;;AAED,IAAME,oBAAoB,GAAG,SAAvBA,oBAAoB,CAAIF,UAAU,EAAK;EAC5C,IAAMG,cAAc,GAAGC,IAAI,CAACC,GAAG,CAACL,UAAU,CAAC,GAAGM,MAAM,CAACC,WAAW,CAAA;;AAEhE;EACA,IAAIC,aAAa,GAAG,CAAC,CAAA;;AAErB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;EACA,IAAIL,cAAc,IAAI,CAAC,EAAE;AACxBK,IAAAA,aAAa,GAAG,CAAC,CAAA;AAClB,GAAC,MAAM,IAAIL,cAAc,IAAI,CAAC,EAAE;AAAE;AACjCK,IAAAA,aAAa,GAAGtB,iBAAiB,CAACiB,cAAc,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,GAAG,CAAC,CAAA;AAChE,GAAC,MAAM,IAAIA,cAAc,IAAI,CAAC,EAAE;AAAE;AACjCK,IAAAA,aAAa,GAAGtB,iBAAiB,CAACiB,cAAc,EAAE,CAAC,EAAE,CAAC,EAAE,GAAG,EAAE,GAAG,CAAC,CAAA;AAClE,GAAC,MAAM,IAAIA,cAAc,IAAI,EAAE,EAAE;AAAE;AAClCK,IAAAA,aAAa,GAAGtB,iBAAiB,CAACiB,cAAc,EAAE,CAAC,EAAE,EAAE,EAAE,GAAG,EAAE,IAAI,CAAC,CAAA;AACpE,GAAC,MAAM,IAAIA,cAAc,IAAI,EAAE,EAAE;AAAE;AAClCK,IAAAA,aAAa,GAAGtB,iBAAiB,CAACiB,cAAc,EAAE,EAAE,EAAE,EAAE,EAAE,IAAI,EAAE,GAAG,CAAC,CAAA;AACrE,GAAC,MAAM;AAAE;AACRK,IAAAA,aAAa,GAAG,GAAG,CAAA;AACpB,GAAA;AAEA,EAAA,OAAOA,aAAa,CAAA;AACrB,CAAC,CAAA;AAED,IAAMC,oBAAoB,GAAG,SAAvBA,oBAAoB,CAAIC,QAAQ,EAAK;AAC1CA,EAAAA,QAAQ,CAACC,OAAO,CAAC1B,uBAAuB,CAAC,GAAGU,aAAa,CACxD,UAACG,IAAI,EAAEC,IAAI,EAAEC,UAAU,EAAA;AAAA,IAAA,OAAKd,iBAAiB,CAC5CwB,QAAQ,CAACC,OAAO,CAAC,SAAS,CAAC,CAACb,IAAI,EAAEC,IAAI,EAAEC,UAAU,CAAC,EACnD,CAAC,EAAE,CAAC;AAAE;AACN,IAAA,CAAC,EAAE,CAAC,GAAGE,oBAAoB,CAACF,UAAU,CAAC;KACvC,CAAA;AAAA,GAAA,EACD,UAACF,IAAI,EAAEC,IAAI,EAAEC,UAAU,EAAA;AAAA,IAAA,OAAKd,iBAAiB,CAC5CwB,QAAQ,CAACC,OAAO,CAAC,UAAU,CAAC,CAACb,IAAI,EAAEC,IAAI,EAAEC,UAAU,CAAC,EACpD,CAAC,EAAE,CAAC;AAAE;AACNE,IAAAA,oBAAoB,CAACF,UAAU,CAAC,EAAE,CAAC;KACnC,CAAA;GACD,CAAA,CAAA;AACF,CAAC;;AChFD,IAAA,IAAA,IAAA,YAAA;AAEC,IAAA,SAAA,IAAA,CACkB,KAAa,EAAA;QAAb,IAAK,CAAA,KAAA,GAAL,KAAK,CAAQ;KAC3B;IAEU,IAAU,CAAA,UAAA,GAAxB,UAAyB,KAAa,EAAA;AAErC,QAAA,IAAI,KAAK,KAAK,EAAE,IAAI,KAAK,KAAK,GAAG,EAAE;AAClC,YAAA,MAAM,IAAI,KAAK,CAAC,qCAAqC,CAAC,CAAC;AACvD,SAAA;AAED,QAAA,OAAO,IAAI,IAAI,CAAC,KAAK,CAAC,CAAC;KACvB,CAAA;AAEM,IAAA,IAAA,CAAA,SAAA,CAAA,QAAQ,GAAf,YAAA;QAEC,OAAO,IAAI,CAAC,KAAK,CAAC;KAClB,CAAA;IAEM,IAAmB,CAAA,SAAA,CAAA,mBAAA,GAA1B,UAA2B,QAAsB,EAAA;QAEhD,IAAM,eAAe,GAAG,IAAI,CAAC,KAAK,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;QAChD,IAAM,aAAa,GAAG,QAAQ,CAAC,cAAc,CAAC,eAAe,CAAC,CAAC;QAC/D,IAAI,aAAa,KAAK,IAAI,EAAE;AAC3B,YAAA,MAAM,IAAI,KAAK,CAAC,wCAAiC,eAAe,EAAA,UAAA,CAAU,CAAC,CAAC;AAC5E,SAAA;AAED,QAAA,OAAO,aAAa,CAAC;KACrB,CAAA;IACF,OAAC,IAAA,CAAA;AAAD,CAAC,EAAA;;AC9Be,SAAA,eAAe,CAAC,OAAoB,EAAE,wBAAqC,EAAA;AAE1F,IAAA,QAAQ,CAAC,OAAO,CAAC,OAAO,EAAE,QAAQ,EAAE;AACnC,QAAA,QAAQ,EAAE,IAAI;AACd,QAAA,MAAM,EAAE,uBAAuB;QAC/B,QAAQ,EAAE,YAAM,EAAA,OAAA,wBAAwB,KAAK,SAAS,IAAI,wBAAwB,EAAE,CAAA,EAAA;AACpF,KAAA,CAAC,CAAC;AACJ;;ACVA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,IAAI,aAAa,GAAG,SAAS,CAAC,EAAE,CAAC,EAAE;AACnC,IAAI,aAAa,GAAG,MAAM,CAAC,cAAc;AACzC,SAAS,EAAE,SAAS,EAAE,EAAE,EAAE,YAAY,KAAK,IAAI,UAAU,CAAC,EAAE,CAAC,EAAE,EAAE,CAAC,CAAC,SAAS,GAAG,CAAC,CAAC,EAAE,CAAC;AACpF,QAAQ,UAAU,CAAC,EAAE,CAAC,EAAE,EAAE,KAAK,IAAI,CAAC,IAAI,CAAC,EAAE,IAAI,MAAM,CAAC,SAAS,CAAC,cAAc,CAAC,IAAI,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC;AAC1G,IAAI,OAAO,aAAa,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;AAC/B,CAAC,CAAC;AACF;AACO,SAAS,SAAS,CAAC,CAAC,EAAE,CAAC,EAAE;AAChC,IAAI,IAAI,OAAO,CAAC,KAAK,UAAU,IAAI,CAAC,KAAK,IAAI;AAC7C,QAAQ,MAAM,IAAI,SAAS,CAAC,sBAAsB,GAAG,MAAM,CAAC,CAAC,CAAC,GAAG,+BAA+B,CAAC,CAAC;AAClG,IAAI,aAAa,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;AACxB,IAAI,SAAS,EAAE,GAAG,EAAE,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\ No newline at end of file
diff --git a/dist/index.js b/dist/index.js
index e6c7df2..e31b604 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2,7 +2,7 @@
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('velocity-animate')) :
typeof define === 'function' && define.amd ? define(['exports', 'velocity-animate'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.SmoothScroll = {}, global.Velocity));
-}(this, (function (exports, Velocity) { 'use strict';
+})(this, (function (exports, Velocity) { 'use strict';
function _interopNamespace(e) {
if (e && e.__esModule) return e;
@@ -13,30 +13,31 @@
var d = Object.getOwnPropertyDescriptor(e, k);
Object.defineProperty(n, k, d.get ? d : {
enumerable: true,
- get: function () {
- return e[k];
- }
+ get: function () { return e[k]; }
});
}
});
}
- n['default'] = e;
+ n["default"] = e;
return Object.freeze(n);
}
var Velocity__namespace = /*#__PURE__*/_interopNamespace(Velocity);
- var EASE_IN_SKIP_OUT_EASING = 'ease-in-skip-out'; // e.g. (5, 5, 10, 500, 1000) => 500
- // e.g. (5, 0, 10, 500, 1000) => 750
+ var EASE_IN_SKIP_OUT_EASING = 'ease-in-skip-out';
+ // e.g. (5, 5, 10, 500, 1000) => 500
+ // e.g. (5, 0, 10, 500, 1000) => 750
var mapIntervalLinear = function mapIntervalLinear(number, originalFrom, originalTo, newFrom, newTo) {
var oldDistance = originalTo - originalFrom;
- var newDistance = newTo - newFrom; // normalize value into interval 0 .. 1
-
- var normalized = (number - originalFrom) / oldDistance; // extend and move normalized value into new interval
+ var newDistance = newTo - newFrom;
+ // normalize value into interval 0 .. 1
+ var normalized = (number - originalFrom) / oldDistance;
+ // extend and move normalized value into new interval
return normalized * newDistance + newFrom;
};
+
/**
* Composes easings together, splits time into half.
*
@@ -44,8 +45,6 @@
* @param secondHalfEasingFn second half of easing
* @return {function(*=, *=, *=)} the composed easing
*/
-
-
var composeEasing = function composeEasing(firstHalfEasingFn, secondHalfEasingFn) {
// time: The call's completion percentage (decimal value).
// opts (optional): The options object passed into the triggering Velocity call.
@@ -53,21 +52,21 @@
return function (time, opts, tweenDelta) {
if (time < 0.5) {
var normalizedTime = mapIntervalLinear(time, 0, 0.5, 0, 1); // map 0 - 0.5 => 0 - 1
-
return mapIntervalLinear(firstHalfEasingFn(normalizedTime, opts, tweenDelta), 0, 1, 0, 0.5); // map 1 - 0 => 0 - 0.5
} else {
var _normalizedTime = mapIntervalLinear(time, 0.5, 1, 0, 1); // map 0 - 0.5 => 0 - 1
-
-
return mapIntervalLinear(secondHalfEasingFn(_normalizedTime, opts, tweenDelta), 0, 1, 0.5, 1); // map 1 - 0 => 0 - 0.5
}
};
};
var computeHowMuchToSkip = function computeHowMuchToSkip(tweenDelta) {
- var howManyScreens = Math.abs(tweenDelta) / window.innerHeight; // 0 .. 1 (percents)
+ var howManyScreens = Math.abs(tweenDelta) / window.innerHeight;
+
+ // 0 .. 1 (percents)
+ var howMuchToSkip = 0;
- var howMuchToSkip = 0; // by testing in browser we have found following values as smooth:
+ // by testing in browser we have found following values as smooth:
// howManyScreens .. howMuchToSkip
// 1 .. 0%
// 2 .. 0%
@@ -76,7 +75,6 @@
// 30 .. 85%
// 60 .. 90%
// 100 .. 90%
-
if (howManyScreens <= 2) {
howMuchToSkip = 0;
} else if (howManyScreens <= 4) {
@@ -95,45 +93,44 @@
// > 60 screens; skip 90% of content
howMuchToSkip = 0.9;
}
-
return howMuchToSkip;
};
-
var bindEasingToVelocity = function bindEasingToVelocity(velocity) {
velocity.Easings[EASE_IN_SKIP_OUT_EASING] = composeEasing(function (time, opts, tweenDelta) {
- return mapIntervalLinear(velocity.Easings['ease-in'](time, opts, tweenDelta), 0, 1, // from interval
+ return mapIntervalLinear(velocity.Easings['ease-in'](time, opts, tweenDelta), 0, 1,
+ // from interval
0, 1 - computeHowMuchToSkip(tweenDelta) // to interval
);
}, function (time, opts, tweenDelta) {
- return mapIntervalLinear(velocity.Easings['ease-out'](time, opts, tweenDelta), 0, 1, // from interval
+ return mapIntervalLinear(velocity.Easings['ease-out'](time, opts, tweenDelta), 0, 1,
+ // from interval
computeHowMuchToSkip(tweenDelta), 1 // to interval
);
});
};
- var HashTarget = (function () {
- function HashTarget(value, targetElement) {
+ var Hash = (function () {
+ function Hash(value) {
this.value = value;
- this.targetElement = targetElement;
}
- HashTarget.fromString = function (value, document) {
+ Hash.fromString = function (value) {
if (value === '' || value === '#') {
throw new Error('Hash does not contain any fragment.');
}
- var targetElementId = value.substring(1);
- var targetElement = document.getElementById(targetElementId);
- if (targetElement === null) {
- throw new Error("No referenced element with ID " + targetElementId + " exists.");
- }
- return new this(value, targetElement);
+ return new this(value);
};
- HashTarget.prototype.getHash = function () {
+ Hash.prototype.getValue = function () {
return this.value;
};
- HashTarget.prototype.getElement = function () {
- return this.targetElement;
+ Hash.prototype.findTargetElementIn = function (document) {
+ var targetElementId = this.value.substring(1);
+ var targetElement = document.getElementById(targetElementId);
+ if (targetElement === null) {
+ throw new Error("No referenced element with ID ".concat(targetElementId, " exists."));
+ }
+ return targetElement;
};
- return HashTarget;
+ return Hash;
}());
function scrollToElement(element, onScrollFinishedCallback) {
@@ -188,13 +185,13 @@
}
}
- function scrollToTarget(hashTarget, onScrollFinishedCallback) {
- if (typeof hashTarget === 'string') {
- hashTarget = HashTarget.fromString(hashTarget, document);
+ function scrollToTarget(targetHash, onScrollFinishedCallback) {
+ if (typeof targetHash === 'string') {
+ targetHash = Hash.fromString(targetHash);
}
- scrollToElement(hashTarget.getElement(), function () {
- assert(hashTarget instanceof HashTarget);
- window.location.hash = hashTarget.getHash();
+ scrollToElement(targetHash.findTargetElementIn(document), function () {
+ assert(targetHash instanceof Hash);
+ window.location.hash = targetHash.getValue();
onScrollFinishedCallback !== undefined && onScrollFinishedCallback();
});
}
@@ -204,16 +201,16 @@
if (hash === '' || hash === '#') {
return;
}
- var hashTarget = null;
+ var targetHash = null;
var start = performance.now();
document.addEventListener('DOMContentLoaded', function () {
try {
- hashTarget = HashTarget.fromString(hash, document);
+ targetHash = Hash.fromString(hash);
}
catch (e) { }
});
window.addEventListener('load', function () {
- if (hashTarget === null) {
+ if (targetHash === null) {
return;
}
var end = performance.now();
@@ -221,7 +218,7 @@
return;
}
window.scroll({ top: 0, left: 0 });
- scrollToTarget(hashTarget);
+ scrollToTarget(targetHash);
});
}
@@ -235,7 +232,7 @@
return;
}
event.preventDefault();
- scrollToTarget(HashTarget.fromString(element.hash, document));
+ scrollToTarget(Hash.fromString(element.hash));
});
});
});
@@ -258,7 +255,7 @@
initializeOnLinkClickScroll();
}
- exports.HashTarget = HashTarget;
+ exports.Hash = Hash;
exports.handleOnLinkClickScroll = handleOnLinkClickScroll;
exports.handleOnLoadScroll = handleOnLoadScroll;
exports.scrollToElement = scrollToElement;
@@ -267,5 +264,5 @@
Object.defineProperty(exports, '__esModule', { value: true });
-})));
+}));
//# sourceMappingURL=index.js.map
diff --git a/dist/index.js.map b/dist/index.js.map
index 7b92ffe..e48f373 100644
--- a/dist/index.js.map
+++ b/dist/index.js.map
@@ -1 +1 @@
-{"version":3,"file":"index.js","sources":["../src/easing/bindEasingToVelocity.js","../src/HashTarget.ts","../src/scrollers/scrollToElement.ts","../node_modules/tslib/tslib.es6.js","../src/assert.ts","../src/scrollers/scrollToTarget.ts","../src/handlers/loadScroll/initializeOnLoadScroll.ts","../src/handlers/linkClickScroll/initializeOnLinkClickScroll.ts","../src/scrollers/scrollToOffset.ts","../src/index.ts"],"sourcesContent":["export const EASE_IN_SKIP_OUT_EASING = 'ease-in-skip-out';\r\n\r\n// e.g. (5, 5, 10, 500, 1000) => 500\r\n// e.g. (5, 0, 10, 500, 1000) => 750\r\nconst mapIntervalLinear = (number, originalFrom, originalTo, newFrom, newTo) => {\r\n\tconst oldDistance = originalTo - originalFrom;\r\n\tconst newDistance = newTo - newFrom;\r\n\r\n\t// normalize value into interval 0 .. 1\r\n\tconst normalized = (number - originalFrom) / oldDistance;\r\n\t// extend and move normalized value into new interval\r\n\treturn (normalized * newDistance) + newFrom;\r\n};\r\n\r\n/**\r\n * Composes easings together, splits time into half.\r\n *\r\n * @param firstHalfEasingFn first half of easing\r\n * @param secondHalfEasingFn second half of easing\r\n * @return {function(*=, *=, *=)} the composed easing\r\n */\r\nconst composeEasing = (firstHalfEasingFn, secondHalfEasingFn) => {\r\n\r\n\t// time: The call's completion percentage (decimal value).\r\n\t// opts (optional): The options object passed into the triggering Velocity call.\r\n\t// tweenDelta (optional): The difference between the animating property's ending value and its starting value.\r\n\treturn (time, opts, tweenDelta) => {\r\n\t\tif (time < 0.5) {\r\n\t\t\tconst normalizedTime = mapIntervalLinear(time, 0, 0.5, 0, 1); // map 0 - 0.5 => 0 - 1\r\n\t\t\treturn mapIntervalLinear(firstHalfEasingFn(normalizedTime, opts, tweenDelta), 0, 1, 0, 0.5); // map 1 - 0 => 0 - 0.5\r\n\r\n\t\t} else {\r\n\t\t\tconst normalizedTime = mapIntervalLinear(time, 0.5, 1, 0, 1); // map 0 - 0.5 => 0 - 1\r\n\t\t\treturn mapIntervalLinear(secondHalfEasingFn(normalizedTime, opts, tweenDelta), 0, 1, 0.5, 1); // map 1 - 0 => 0 - 0.5\r\n\t\t}\r\n\t}\r\n};\r\n\r\nconst computeHowMuchToSkip = (tweenDelta) => {\r\n\tconst howManyScreens = Math.abs(tweenDelta) / window.innerHeight;\r\n\r\n\t// 0 .. 1 (percents)\r\n\tlet howMuchToSkip = 0;\r\n\r\n\t// by testing in browser we have found following values as smooth:\r\n\t// howManyScreens .. howMuchToSkip\r\n\t// 1 .. 0%\r\n\t// 2 .. 0%\r\n\t// 3 .. 30%\r\n\t// 8 .. 60%\r\n\t// 30 .. 85%\r\n\t// 60 .. 90%\r\n\t// 100 .. 90%\r\n\tif (howManyScreens <= 2) {\r\n\t\thowMuchToSkip = 0;\r\n\t} else if (howManyScreens <= 4) { // 2 - 4 screens; skip 0% - 30% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 2, 4, 0, 0.3);\r\n\t} else if (howManyScreens <= 8) { // 4 - 8 screens; skip 30% - 60% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 4, 8, 0.3, 0.6);\r\n\t} else if (howManyScreens <= 30) { // 8 - 30 screens; skip 60% - 85% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 8, 30, 0.6, 0.85);\r\n\t} else if (howManyScreens <= 60) { // 30 - 60 screens; skip 85% - 30% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 30, 60, 0.85, 0.9);\r\n\t} else { // > 60 screens; skip 90% of content\r\n\t\thowMuchToSkip = 0.9;\r\n\t}\r\n\r\n\treturn howMuchToSkip;\r\n};\r\n\r\nconst bindEasingToVelocity = (velocity) => {\r\n\tvelocity.Easings[EASE_IN_SKIP_OUT_EASING] = composeEasing(\r\n\t\t(time, opts, tweenDelta) => mapIntervalLinear(\r\n\t\t\tvelocity.Easings['ease-in'](time, opts, tweenDelta),\r\n\t\t\t0, 1, // from interval\r\n\t\t\t0, 1 - computeHowMuchToSkip(tweenDelta), // to interval\r\n\t\t),\r\n\t\t(time, opts, tweenDelta) => mapIntervalLinear(\r\n\t\t\tvelocity.Easings['ease-out'](time, opts, tweenDelta),\r\n\t\t\t0, 1, // from interval\r\n\t\t\tcomputeHowMuchToSkip(tweenDelta), 1, // to interval\r\n\t\t),\r\n\t);\r\n};\r\n\r\nexport default bindEasingToVelocity;\r\n","/**\r\n * Represents valid hash as per https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/hash\r\n */\r\nexport class HashTarget\r\n{\r\n\tprivate constructor(\r\n\t\tprivate readonly value: string,\r\n\t\tprivate readonly targetElement: HTMLElement,\r\n\t) {}\r\n\r\n\tpublic static fromString(value: string, document: HTMLDocument): HashTarget\r\n\t{\r\n\t\tif (value === '' || value === '#') {\r\n\t\t\tthrow new Error('Hash does not contain any fragment.');\r\n\t\t}\r\n\r\n\t\tconst targetElementId = value.substring(1);\r\n\t\tconst targetElement = document.getElementById(targetElementId);\r\n\t\tif (targetElement === null) {\r\n\t\t\tthrow new Error(`No referenced element with ID ${targetElementId} exists.`);\r\n\t\t}\r\n\r\n\t\treturn new this(value, targetElement);\r\n\t}\r\n\r\n\tpublic getHash(): string\r\n\t{\r\n\t\treturn this.value;\r\n\t}\r\n\r\n\tpublic getElement(): HTMLElement\r\n\t{\r\n\t\treturn this.targetElement;\r\n\t}\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport {EASE_IN_SKIP_OUT_EASING} from '../easing/bindEasingToVelocity';\r\n\r\nexport function scrollToElement(element: HTMLElement, onScrollFinishedCallback?: () => void): void\r\n{\r\n\tVelocity.animate(element, 'scroll', {\r\n\t\tduration: 1200, // todo: different depending on offset from page top?\r\n\t\teasing: EASE_IN_SKIP_OUT_EASING,\r\n\t\tcomplete: () => onScrollFinishedCallback !== undefined && onScrollFinishedCallback(),\r\n\t});\r\n}\r\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from) {\r\n for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)\r\n to[j] = from[i];\r\n return to;\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","export class AssertionError extends Error {}\r\nexport function assert(condition: any, message?: string): asserts condition {\r\n\tif ( ! condition) {\r\n\t\tthrow new AssertionError(message);\r\n\t}\r\n}\r\n","import {HashTarget} from '../HashTarget';\r\nimport {scrollToElement} from './scrollToElement';\r\nimport {assert} from '../assert';\r\n\r\nexport function scrollToTarget(hashTarget: HashTarget|string, onScrollFinishedCallback?: () => void): void\r\n{\r\n\tif (typeof hashTarget === 'string') {\r\n\t\thashTarget = HashTarget.fromString(hashTarget, document);\r\n\t}\r\n\r\n\tscrollToElement(\r\n\t\thashTarget.getElement(),\r\n\t\t() => {\r\n\t\t\tassert(hashTarget instanceof HashTarget);\r\n\t\t\twindow.location.hash = hashTarget.getHash();\r\n\t\t\tonScrollFinishedCallback !== undefined && onScrollFinishedCallback();\r\n\t\t},\r\n\t);\r\n}\r\n","import {scrollToTarget} from '../../scrollers/scrollToTarget';\r\nimport {HashTarget} from '../../HashTarget';\r\nimport {assert} from '../../assert';\r\n\r\n/**\r\n * Scrolls smoothly to an element if there is a hash in the URL.\r\n * E.g. you have `#example` in URL, then it scrolls to element with id `example`.\r\n *\r\n * Note:\r\n * Because of UX, this behaviour is limited only when whole document is loaded in less than 500ms.\r\n * Otherwise, it jumps directly to desired element without smooth scrolling, because too visible jumping through the page would appear.\r\n */\r\nexport function initializeOnLoadScroll(): void\r\n{\r\n\tconst hash = window.location.hash;\r\n\tif (hash === '' || hash === '#') {\r\n\t\treturn;\r\n\t}\r\n\r\n\tlet hashTarget: HashTarget|null = null;\r\n\tconst start = performance.now();\r\n\r\n\tdocument.addEventListener('DOMContentLoaded', () => {\r\n\t\ttry {\r\n\t\t\thashTarget = HashTarget.fromString(hash, document);\r\n\t\t} catch (e) {} // when URL contains hash which has no corresponding DOM element, just ignore it\r\n\t});\r\n\r\n\t/**\r\n\t * The `load` event has been chosen intentionally as it is the state when everything is ready -\r\n\t * all styles are loaded and offsets are computed correctly - so the scroll will be computed correctly.\r\n\t */\r\n\twindow.addEventListener('load', () => {\r\n\t\tif (hashTarget === null) { // if target does not exist\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tconst end = performance.now();\r\n\r\n\t\t// If difference between start and stop is greater than 500ms, do nothing.\r\n\t\tif (end - start > 500) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\t// First, we need to go to top immediately (hack to prevent jump to desired element).\r\n\t\twindow.scroll({top: 0, left: 0});\r\n\r\n\t\t// Then, scroll down to it smoothly.\r\n\t\tscrollToTarget(hashTarget);\r\n\t});\r\n}\r\n","import {scrollToTarget} from '../../scrollers/scrollToTarget';\r\nimport {assert} from '../../assert';\r\nimport {HashTarget} from '../../HashTarget';\r\n\r\nexport function initializeOnLinkClickScroll(): void\r\n{\r\n\tdocument.addEventListener('DOMContentLoaded', () =>\r\n\t\tdocument.querySelectorAll('a[href^=\"#\"]').forEach((item) =>\r\n\t\t\titem.addEventListener('click', (event) => {\r\n\t\t\t\tconst element = event.currentTarget as HTMLAnchorElement;\r\n\t\t\t\tassert(element !== null);\r\n\r\n\t\t\t\tif (element.hash === '' || element.hash === '#') {\r\n\t\t\t\t\treturn;\r\n\t\t\t\t}\r\n\r\n\t\t\t\tevent.preventDefault();\r\n\t\t\t\tscrollToTarget(HashTarget.fromString(element.hash, document));\r\n\t\t\t})));\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport {EASE_IN_SKIP_OUT_EASING} from '../easing/bindEasingToVelocity';\r\n\r\nexport function scrollToOffset(\r\n\ttopOffset: number,\r\n\tonScrollFinishedCallback?: () => void,\r\n): void\r\n{\r\n\t/**\r\n\t * Setting `<html>` as the element to scroll to with offset simulates `window.scrollTo()` behavior.\r\n\t * See last paragraph at http://velocityjs.org/#scroll\r\n\t */\r\n\tVelocity.animate(document.documentElement, 'scroll', {\r\n\t\tduration: 1200, // todo: different depending on offset from page top?\r\n\t\toffset: topOffset,\r\n\t\teasing: EASE_IN_SKIP_OUT_EASING,\r\n\t\tcomplete: onScrollFinishedCallback,\r\n\t});\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport bindEasingToVelocity from './easing/bindEasingToVelocity';\r\nimport {initializeOnLoadScroll} from './handlers/loadScroll/initializeOnLoadScroll';\r\nimport {initializeOnLinkClickScroll} from './handlers/linkClickScroll/initializeOnLinkClickScroll';\r\nimport {scrollToElement} from './scrollers/scrollToElement';\r\nimport {scrollToOffset} from './scrollers/scrollToOffset';\r\nimport {scrollToTarget} from './scrollers/scrollToTarget';\r\nimport {HashTarget} from './HashTarget';\r\n\r\n\r\n// bind automatically on library import\r\nbindEasingToVelocity(Velocity);\r\n\r\n\r\nfunction handleOnLoadScroll(): void\r\n{\r\n\tinitializeOnLoadScroll();\r\n}\r\n\r\nfunction handleOnLinkClickScroll(): void\r\n{\r\n\tinitializeOnLinkClickScroll();\r\n}\r\n\r\nexport 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skip 30% - 60% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 4, 8, 0.3, 0.6);\r\n\t} else if (howManyScreens <= 30) { // 8 - 30 screens; skip 60% - 85% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 8, 30, 0.6, 0.85);\r\n\t} else if (howManyScreens <= 60) { // 30 - 60 screens; skip 85% - 30% of content\r\n\t\thowMuchToSkip = mapIntervalLinear(howManyScreens, 30, 60, 0.85, 0.9);\r\n\t} else { // > 60 screens; skip 90% of content\r\n\t\thowMuchToSkip = 0.9;\r\n\t}\r\n\r\n\treturn howMuchToSkip;\r\n};\r\n\r\nconst bindEasingToVelocity = (velocity) => {\r\n\tvelocity.Easings[EASE_IN_SKIP_OUT_EASING] = composeEasing(\r\n\t\t(time, opts, tweenDelta) => mapIntervalLinear(\r\n\t\t\tvelocity.Easings['ease-in'](time, opts, tweenDelta),\r\n\t\t\t0, 1, // from interval\r\n\t\t\t0, 1 - computeHowMuchToSkip(tweenDelta), // to interval\r\n\t\t),\r\n\t\t(time, opts, tweenDelta) => mapIntervalLinear(\r\n\t\t\tvelocity.Easings['ease-out'](time, opts, tweenDelta),\r\n\t\t\t0, 1, // from interval\r\n\t\t\tcomputeHowMuchToSkip(tweenDelta), 1, // to interval\r\n\t\t),\r\n\t);\r\n};\r\n\r\nexport default bindEasingToVelocity;\r\n","/**\r\n * Represents valid hash as per https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/hash\r\n */\r\nexport class Hash\r\n{\r\n\tprivate constructor(\r\n\t\tprivate readonly value: string,\r\n\t) {}\r\n\r\n\tpublic static fromString(value: string): Hash\r\n\t{\r\n\t\tif (value === '' || value === '#') {\r\n\t\t\tthrow new Error('Hash does not contain any fragment.');\r\n\t\t}\r\n\r\n\t\treturn new this(value);\r\n\t}\r\n\r\n\tpublic getValue(): string\r\n\t{\r\n\t\treturn this.value;\r\n\t}\r\n\r\n\tpublic findTargetElementIn(document: HTMLDocument): HTMLElement\r\n\t{\r\n\t\tconst targetElementId = this.value.substring(1);\r\n\t\tconst targetElement = document.getElementById(targetElementId);\r\n\t\tif (targetElement === null) {\r\n\t\t\tthrow new Error(`No referenced element with ID ${targetElementId} exists.`);\r\n\t\t}\r\n\r\n\t\treturn targetElement;\r\n\t}\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport {EASE_IN_SKIP_OUT_EASING} from '../easing/bindEasingToVelocity';\r\n\r\nexport function scrollToElement(element: HTMLElement, onScrollFinishedCallback?: () => void): void\r\n{\r\n\tVelocity.animate(element, 'scroll', {\r\n\t\tduration: 1200, // todo: different depending on offset from page top?\r\n\t\teasing: EASE_IN_SKIP_OUT_EASING,\r\n\t\tcomplete: () => onScrollFinishedCallback !== undefined && onScrollFinishedCallback(),\r\n\t});\r\n}\r\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from) {\r\n for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)\r\n to[j] = from[i];\r\n return to;\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","export class AssertionError extends Error {}\r\nexport function assert(condition: any, message?: string): asserts condition {\r\n\tif ( ! condition) {\r\n\t\tthrow new AssertionError(message);\r\n\t}\r\n}\r\n","import {Hash} from '../Hash';\r\nimport {scrollToElement} from './scrollToElement';\r\nimport {assert} from '../assert';\r\n\r\nexport function scrollToTarget(targetHash: Hash|string, onScrollFinishedCallback?: () => void): void\r\n{\r\n\tif (typeof targetHash === 'string') {\r\n\t\ttargetHash = Hash.fromString(targetHash);\r\n\t}\r\n\r\n\tscrollToElement(\r\n\t\ttargetHash.findTargetElementIn(document),\r\n\t\t() => {\r\n\t\t\tassert(targetHash instanceof Hash);\r\n\t\t\twindow.location.hash = targetHash.getValue();\r\n\t\t\tonScrollFinishedCallback !== undefined && onScrollFinishedCallback();\r\n\t\t},\r\n\t);\r\n}\r\n","import {scrollToTarget} from '../../scrollers/scrollToTarget';\r\nimport {Hash} from '../../Hash';\r\nimport {assert} from '../../assert';\r\n\r\n/**\r\n * Scrolls smoothly to an element if there is a hash in the URL.\r\n * E.g. you have `#example` in URL, then it scrolls to element with id `example`.\r\n *\r\n * Note:\r\n * Because of UX, this behaviour is limited only when whole document is loaded in less than 500ms.\r\n * Otherwise, it jumps directly to desired element without smooth scrolling, because too visible jumping through the page would appear.\r\n */\r\nexport function initializeOnLoadScroll(): void\r\n{\r\n\tconst hash = window.location.hash;\r\n\tif (hash === '' || hash === '#') {\r\n\t\treturn;\r\n\t}\r\n\r\n\tlet targetHash: Hash|null = null;\r\n\tconst start = performance.now();\r\n\r\n\tdocument.addEventListener('DOMContentLoaded', () => {\r\n\t\ttry {\r\n\t\t\ttargetHash = Hash.fromString(hash);\r\n\t\t} catch (e) {} // when URL contains hash which has no corresponding DOM element, just ignore it\r\n\t});\r\n\r\n\t/**\r\n\t * The `load` event has been chosen intentionally as it is the state when everything is ready -\r\n\t * all styles are loaded and offsets are computed correctly - so the scroll will be computed correctly.\r\n\t */\r\n\twindow.addEventListener('load', () => {\r\n\t\tif (targetHash === null) { // if hash does not exist\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tconst end = performance.now();\r\n\r\n\t\t// If difference between start and stop is greater than 500ms, do nothing.\r\n\t\tif (end - start > 500) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\t// First, we need to go to top immediately (hack to prevent jump to desired element).\r\n\t\twindow.scroll({top: 0, left: 0});\r\n\r\n\t\t// Then, scroll down to it smoothly.\r\n\t\tscrollToTarget(targetHash);\r\n\t});\r\n}\r\n","import {scrollToTarget} from '../../scrollers/scrollToTarget';\r\nimport {assert} from '../../assert';\r\nimport {Hash} from '../../Hash';\r\n\r\nexport function initializeOnLinkClickScroll(): void\r\n{\r\n\tdocument.addEventListener('DOMContentLoaded', () =>\r\n\t\tdocument.querySelectorAll('a[href^=\"#\"]').forEach((item) =>\r\n\t\t\titem.addEventListener('click', (event) => {\r\n\t\t\t\tconst element = event.currentTarget as HTMLAnchorElement;\r\n\t\t\t\tassert(element !== null);\r\n\r\n\t\t\t\tif (element.hash === '' || element.hash === '#') {\r\n\t\t\t\t\treturn;\r\n\t\t\t\t}\r\n\r\n\t\t\t\tevent.preventDefault();\r\n\t\t\t\tscrollToTarget(Hash.fromString(element.hash));\r\n\t\t\t})));\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport {EASE_IN_SKIP_OUT_EASING} from '../easing/bindEasingToVelocity';\r\n\r\nexport function scrollToOffset(\r\n\ttopOffset: number,\r\n\tonScrollFinishedCallback?: () => void,\r\n): void\r\n{\r\n\t/**\r\n\t * Setting `<html>` as the element to scroll to with offset simulates `window.scrollTo()` behavior.\r\n\t * See last paragraph at http://velocityjs.org/#scroll\r\n\t */\r\n\tVelocity.animate(document.documentElement, 'scroll', {\r\n\t\tduration: 1200, // todo: different depending on offset from page top?\r\n\t\toffset: topOffset,\r\n\t\teasing: EASE_IN_SKIP_OUT_EASING,\r\n\t\tcomplete: onScrollFinishedCallback,\r\n\t});\r\n}\r\n","import * as Velocity from 'velocity-animate';\r\nimport bindEasingToVelocity from './easing/bindEasingToVelocity';\r\nimport {initializeOnLoadScroll} from './handlers/loadScroll/initializeOnLoadScroll';\r\nimport {initializeOnLinkClickScroll} from './handlers/linkClickScroll/initializeOnLinkClickScroll';\r\nimport {scrollToElement} from './scrollers/scrollToElement';\r\nimport {scrollToOffset} from './scrollers/scrollToOffset';\r\nimport {scrollToTarget} from './scrollers/scrollToTarget';\r\nimport {Hash} from './Hash';\r\n\r\n\r\n// bind automatically on library import\r\nbindEasingToVelocity(Velocity);\r\n\r\n\r\nfunction handleOnLoadScroll(): void\r\n{\r\n\tinitializeOnLoadScroll();\r\n}\r\n\r\nfunction handleOnLinkClickScroll(): void\r\n{\r\n\tinitializeOnLinkClickScroll();\r\n}\r\n\r\nexport 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\ No newline at end of file
diff --git a/dist/scrollers/scrollToTarget.d.ts b/dist/scrollers/scrollToTarget.d.ts
index 12c01b0..9c82831 100644
--- a/dist/scrollers/scrollToTarget.d.ts
+++ b/dist/scrollers/scrollToTarget.d.ts
@@ -1,2 +1,2 @@
-import { HashTarget } from '../HashTarget';
-export declare function scrollToTarget(hashTarget: HashTarget | string, onScrollFinishedCallback?: () => void): void;
+import { Hash } from '../Hash';
+export declare function scrollToTarget(targetHash: Hash | string, onScrollFinishedCallback?: () => void): void;
--
GitLab