ngx-scroll-lock
Version:
Angular module for Page Scroll locking
203 lines (193 loc) • 7.96 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core')) :
typeof define === 'function' && define.amd ? define('ngx-scroll-lock', ['exports', '@angular/core'], factory) :
(global = global || self, factory(global['ngx-scroll-lock'] = {}, global.ng.core));
}(this, function (exports, core) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
var __assign = function() {
__assign = Object.assign || function __assign(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
var NgxScrollLockComponent = /** @class */ (function () {
function NgxScrollLockComponent() {
this.target = '';
this.lock = false;
this.listenerOptions = {
capture: false,
passive: false,
};
}
/**
* @return {?}
*/
NgxScrollLockComponent.prototype.ngOnInit = /**
* @return {?}
*/
function () {
this.targetElement = this.target
? document.querySelector(this.target)
: document.body;
// Shows error message only in Development
if (!this.targetElement && core.isDevMode()) {
console.error(
// tslint:disable-next-line: max-line-length
"`NgxScrollLockComponent` need to receive \"target\" as an element, but it received \"" + (this.target || 'body') + "\". Please check if the element is unique and it's available in your DOM.");
}
if (this.lock && this.targetElement) {
this.disableLock(this.targetElement);
}
};
/**
* @return {?}
*/
NgxScrollLockComponent.prototype.ngOnDestroy = /**
* @return {?}
*/
function () {
if (this.targetElement) {
this.enableLock(this.targetElement);
}
};
/**
* @param {?} changes
* @return {?}
*/
NgxScrollLockComponent.prototype.ngOnChanges = /**
* @param {?} changes
* @return {?}
*/
function (changes) {
if (changes.target &&
!changes.target.firstChange &&
changes.target.previousValue !== changes.target.currentValue) {
this.enableLock(this.targetElement);
this.targetElement = this.target
? document.querySelector(this.target)
: document.body;
if (this.lock && this.targetElement) {
this.disableLock(this.targetElement);
}
}
if (changes.lock &&
!changes.lock.firstChange &&
changes.lock.previousValue !== changes.lock.currentValue &&
this.targetElement) {
changes.lock.currentValue
? this.disableLock(this.targetElement)
: this.enableLock(this.targetElement);
}
};
/**
* @param {?} target
* @return {?}
*/
NgxScrollLockComponent.prototype.disableLock = /**
* @param {?} target
* @return {?}
*/
function (target) {
this.targetElement.classList.add('ngx-scroll-lock');
// Mobile Safari ignores { overflow: hidden } declaration on the body.
if (this.isTouchDevice()) {
this.targetElement.addEventListener('touchmove', this.preventTouchMove, this.listenerOptions);
}
};
/**
* @param {?} target
* @return {?}
*/
NgxScrollLockComponent.prototype.enableLock = /**
* @param {?} target
* @return {?}
*/
function (target) {
this.targetElement.classList.remove('ngx-scroll-lock');
if (this.isTouchDevice()) {
this.targetElement.removeEventListener('touchmove', this.preventTouchMove, this.listenerOptions);
}
};
/**
* @return {?}
*/
NgxScrollLockComponent.prototype.isTouchDevice = /**
* @return {?}
*/
function () {
return !!window && ('ontouchstart' in window || navigator.maxTouchPoints);
};
/**
* @param {?} rawEvent
* @return {?}
*/
NgxScrollLockComponent.prototype.preventTouchMove = /**
* @param {?} rawEvent
* @return {?}
*/
function (rawEvent) {
/** @type {?} */
var e = rawEvent || __assign({}, ((/** @type {?} */ (window))).event, { touches: [] });
// // Do not prevent if the event has more than one touch
// (usually meaning this is a single or multi touch gesture like pinch to zoom)
if (e.touches && e.touches.length >= 1) {
return true;
}
if (e.preventDefault) {
e.preventDefault();
}
return false;
};
NgxScrollLockComponent.decorators = [
{ type: core.Component, args: [{
selector: 'ngx-scroll-lock',
template: "\n <style>\n .ngx-scroll-lock {\n box-sizing: border-box !important;\n overflow: hidden !important;\n position: inherit !important;\n }\n </style>\n <ng-content></ng-content>\n ",
encapsulation: core.ViewEncapsulation.None
}] }
];
NgxScrollLockComponent.propDecorators = {
target: [{ type: core.Input }],
lock: [{ type: core.Input }]
};
return NgxScrollLockComponent;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
var NgxScrollLockModule = /** @class */ (function () {
function NgxScrollLockModule() {
}
NgxScrollLockModule.decorators = [
{ type: core.NgModule, args: [{
declarations: [NgxScrollLockComponent],
imports: [],
exports: [NgxScrollLockComponent]
},] }
];
return NgxScrollLockModule;
}());
exports.NgxScrollLockComponent = NgxScrollLockComponent;
exports.NgxScrollLockModule = NgxScrollLockModule;
Object.defineProperty(exports, '__esModule', { value: true });
}));
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