(window["webpackJsonp"] = window["webpackJsonp"] || []).push([[14],{ /***/ "./node_modules/@ionic/core/dist/esm/ion-infinite-scroll_2.entry.js": /*!**************************************************************************!*\ !*** ./node_modules/@ionic/core/dist/esm/ion-infinite-scroll_2.entry.js ***! \**************************************************************************/ /*! exports provided: ion_infinite_scroll, ion_infinite_scroll_content */ /***/ (function(module, __webpack_exports__, __webpack_require__) { "use strict"; __webpack_require__.r(__webpack_exports__); /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ion_infinite_scroll", function() { return InfiniteScroll; }); /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ion_infinite_scroll_content", function() { return InfiniteScrollContent; }); /* harmony import */ var _index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./index-e806d1f6.js */ "./node_modules/@ionic/core/dist/esm/index-e806d1f6.js"); /* harmony import */ var _ionic_global_9d5c8ee3_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./ionic-global-9d5c8ee3.js */ "./node_modules/@ionic/core/dist/esm/ionic-global-9d5c8ee3.js"); /* harmony import */ var _index_9e3fe806_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./index-9e3fe806.js */ "./node_modules/@ionic/core/dist/esm/index-9e3fe806.js"); const infiniteScrollCss = "ion-infinite-scroll{display:none;width:100%}.infinite-scroll-enabled{display:block}"; const InfiniteScroll = class { constructor(hostRef) { Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["r"])(this, hostRef); this.ionInfinite = Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["e"])(this, "ionInfinite", 7); this.thrPx = 0; this.thrPc = 0; this.didFire = false; this.isBusy = false; this.isLoading = false; /** * The threshold distance from the bottom * of the content to call the `infinite` output event when scrolled. * The threshold value can be either a percent, or * in pixels. For example, use the value of `10%` for the `infinite` * output event to get called when the user has scrolled 10% * from the bottom of the page. Use the value `100px` when the * scroll is within 100 pixels from the bottom of the page. */ this.threshold = '15%'; /** * If `true`, the infinite scroll will be hidden and scroll event listeners * will be removed. * * Set this to true to disable the infinite scroll from actively * trying to receive new data while scrolling. This is useful * when it is known that there is no more data that can be added, and * the infinite scroll is no longer needed. */ this.disabled = false; /** * The position of the infinite scroll element. * The value can be either `top` or `bottom`. */ this.position = 'bottom'; this.onScroll = () => { const scrollEl = this.scrollEl; if (!scrollEl || !this.canStart()) { return 1; } const infiniteHeight = this.el.offsetHeight; if (infiniteHeight === 0) { // if there is no height of this element then do nothing return 2; } const scrollTop = scrollEl.scrollTop; const scrollHeight = scrollEl.scrollHeight; const height = scrollEl.offsetHeight; const threshold = this.thrPc !== 0 ? (height * this.thrPc) : this.thrPx; const distanceFromInfinite = (this.position === 'bottom') ? scrollHeight - infiniteHeight - scrollTop - threshold - height : scrollTop - infiniteHeight - threshold; if (distanceFromInfinite < 0) { if (!this.didFire) { this.isLoading = true; this.didFire = true; this.ionInfinite.emit(); return 3; } } else { this.didFire = false; } return 4; }; } thresholdChanged() { const val = this.threshold; if (val.lastIndexOf('%') > -1) { this.thrPx = 0; this.thrPc = (parseFloat(val) / 100); } else { this.thrPx = parseFloat(val); this.thrPc = 0; } } disabledChanged() { const disabled = this.disabled; if (disabled) { this.isLoading = false; this.isBusy = false; } this.enableScrollEvents(!disabled); } async connectedCallback() { const contentEl = this.el.closest('ion-content'); if (!contentEl) { console.error(' must be used inside an '); return; } this.scrollEl = await contentEl.getScrollElement(); this.thresholdChanged(); this.disabledChanged(); if (this.position === 'top') { Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["c"])(() => { if (this.scrollEl) { this.scrollEl.scrollTop = this.scrollEl.scrollHeight - this.scrollEl.clientHeight; } }); } } disconnectedCallback() { this.enableScrollEvents(false); this.scrollEl = undefined; } /** * Call `complete()` within the `ionInfinite` output event handler when * your async operation has completed. For example, the `loading` * state is while the app is performing an asynchronous operation, * such as receiving more data from an AJAX request to add more items * to a data list. Once the data has been received and UI updated, you * then call this method to signify that the loading has completed. * This method will change the infinite scroll's state from `loading` * to `enabled`. */ async complete() { const scrollEl = this.scrollEl; if (!this.isLoading || !scrollEl) { return; } this.isLoading = false; if (this.position === 'top') { /** * New content is being added at the top, but the scrollTop position stays the same, * which causes a scroll jump visually. This algorithm makes sure to prevent this. * (Frame 1) * - complete() is called, but the UI hasn't had time to update yet. * - Save the current content dimensions. * - Wait for the next frame using _dom.read, so the UI will be updated. * (Frame 2) * - Read the new content dimensions. * - Calculate the height difference and the new scroll position. * - Delay the scroll position change until other possible dom reads are done using _dom.write to be performant. * (Still frame 2, if I'm correct) * - Change the scroll position (= visually maintain the scroll position). * - Change the state to re-enable the InfiniteScroll. * - This should be after changing the scroll position, or it could * cause the InfiniteScroll to be triggered again immediately. * (Frame 3) * Done. */ this.isBusy = true; // ******** DOM READ **************** // Save the current content dimensions before the UI updates const prev = scrollEl.scrollHeight - scrollEl.scrollTop; // ******** DOM READ **************** requestAnimationFrame(() => { Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["f"])(() => { // UI has updated, save the new content dimensions const scrollHeight = scrollEl.scrollHeight; // New content was added on top, so the scroll position should be changed immediately to prevent it from jumping around const newScrollTop = scrollHeight - prev; // ******** DOM WRITE **************** requestAnimationFrame(() => { Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["c"])(() => { scrollEl.scrollTop = newScrollTop; this.isBusy = false; }); }); }); }); } } canStart() { return (!this.disabled && !this.isBusy && !!this.scrollEl && !this.isLoading); } enableScrollEvents(shouldListen) { if (this.scrollEl) { if (shouldListen) { this.scrollEl.addEventListener('scroll', this.onScroll); } else { this.scrollEl.removeEventListener('scroll', this.onScroll); } } } render() { const mode = Object(_ionic_global_9d5c8ee3_js__WEBPACK_IMPORTED_MODULE_1__["b"])(this); const disabled = this.disabled; return (Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["h"])(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["H"], { class: { [mode]: true, 'infinite-scroll-loading': this.isLoading, 'infinite-scroll-enabled': !disabled } })); } get el() { return Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["i"])(this); } static get watchers() { return { "threshold": ["thresholdChanged"], "disabled": ["disabledChanged"] }; } }; InfiniteScroll.style = infiniteScrollCss; const infiniteScrollContentIosCss = "ion-infinite-scroll-content{display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;-ms-flex-pack:center;justify-content:center;min-height:84px;text-align:center;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.infinite-loading{margin-left:0;margin-right:0;margin-top:0;margin-bottom:32px;display:none;width:100%}.infinite-loading-text{margin-left:32px;margin-right:32px;margin-top:4px;margin-bottom:0}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.infinite-loading-text{margin-left:unset;margin-right:unset;-webkit-margin-start:32px;margin-inline-start:32px;-webkit-margin-end:32px;margin-inline-end:32px}}.infinite-scroll-loading ion-infinite-scroll-content>.infinite-loading{display:block}.infinite-scroll-content-ios .infinite-loading-text{color:var(--ion-color-step-600, #666666)}.infinite-scroll-content-ios .infinite-loading-spinner .spinner-lines-ios line,.infinite-scroll-content-ios .infinite-loading-spinner .spinner-lines-small-ios line,.infinite-scroll-content-ios .infinite-loading-spinner .spinner-crescent circle{stroke:var(--ion-color-step-600, #666666)}.infinite-scroll-content-ios .infinite-loading-spinner .spinner-bubbles circle,.infinite-scroll-content-ios .infinite-loading-spinner .spinner-circles circle,.infinite-scroll-content-ios .infinite-loading-spinner .spinner-dots circle{fill:var(--ion-color-step-600, #666666)}"; const infiniteScrollContentMdCss = "ion-infinite-scroll-content{display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;-ms-flex-pack:center;justify-content:center;min-height:84px;text-align:center;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.infinite-loading{margin-left:0;margin-right:0;margin-top:0;margin-bottom:32px;display:none;width:100%}.infinite-loading-text{margin-left:32px;margin-right:32px;margin-top:4px;margin-bottom:0}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.infinite-loading-text{margin-left:unset;margin-right:unset;-webkit-margin-start:32px;margin-inline-start:32px;-webkit-margin-end:32px;margin-inline-end:32px}}.infinite-scroll-loading ion-infinite-scroll-content>.infinite-loading{display:block}.infinite-scroll-content-md .infinite-loading-text{color:var(--ion-color-step-600, #666666)}.infinite-scroll-content-md .infinite-loading-spinner .spinner-lines-md line,.infinite-scroll-content-md .infinite-loading-spinner .spinner-lines-small-md line,.infinite-scroll-content-md .infinite-loading-spinner .spinner-crescent circle{stroke:var(--ion-color-step-600, #666666)}.infinite-scroll-content-md .infinite-loading-spinner .spinner-bubbles circle,.infinite-scroll-content-md .infinite-loading-spinner .spinner-circles circle,.infinite-scroll-content-md .infinite-loading-spinner .spinner-dots circle{fill:var(--ion-color-step-600, #666666)}"; const InfiniteScrollContent = class { constructor(hostRef) { Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["r"])(this, hostRef); } componentDidLoad() { if (this.loadingSpinner === undefined) { const mode = Object(_ionic_global_9d5c8ee3_js__WEBPACK_IMPORTED_MODULE_1__["b"])(this); this.loadingSpinner = _ionic_global_9d5c8ee3_js__WEBPACK_IMPORTED_MODULE_1__["c"].get('infiniteLoadingSpinner', _ionic_global_9d5c8ee3_js__WEBPACK_IMPORTED_MODULE_1__["c"].get('spinner', mode === 'ios' ? 'lines' : 'crescent')); } } render() { const mode = Object(_ionic_global_9d5c8ee3_js__WEBPACK_IMPORTED_MODULE_1__["b"])(this); return (Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["h"])(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["H"], { class: { [mode]: true, // Used internally for styling [`infinite-scroll-content-${mode}`]: true } }, Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["h"])("div", { class: "infinite-loading" }, this.loadingSpinner && (Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["h"])("div", { class: "infinite-loading-spinner" }, Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["h"])("ion-spinner", { name: this.loadingSpinner }))), this.loadingText && (Object(_index_e806d1f6_js__WEBPACK_IMPORTED_MODULE_0__["h"])("div", { class: "infinite-loading-text", innerHTML: Object(_index_9e3fe806_js__WEBPACK_IMPORTED_MODULE_2__["s"])(this.loadingText) }))))); } }; InfiniteScrollContent.style = { ios: infiniteScrollContentIosCss, md: infiniteScrollContentMdCss }; /***/ }) }]); //# sourceMappingURL=14-es2015.js.map