diff options
author | Frédéric Guillot <fred@miniflux.net> | 2018-07-05 22:18:51 -0700 |
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committer | Frédéric Guillot <fred@miniflux.net> | 2018-07-05 22:18:51 -0700 |
commit | 53deb0b8cd1899ec325eca93631b3e137bdd3ec3 (patch) | |
tree | 23894ed57040ea689e9f60243656e1889d39a275 /ui/static/js/app.js | |
parent | e1c56b2e53ba3c6f48d5e159d18ae59c180cc388 (diff) |
Refactor assets bundler and split Javascript files
Diffstat (limited to 'ui/static/js/app.js')
-rw-r--r-- | ui/static/js/app.js | 823 |
1 files changed, 0 insertions, 823 deletions
diff --git a/ui/static/js/app.js b/ui/static/js/app.js deleted file mode 100644 index 8ca2f8d..0000000 --- a/ui/static/js/app.js +++ /dev/null @@ -1,823 +0,0 @@ -/*jshint esversion: 6 */ -(function() { -'use strict'; - -class DomHelper { - static isVisible(element) { - return element.offsetParent !== null; - } - - static openNewTab(url) { - let win = window.open(""); - win.opener = null; - win.location = url; - win.focus(); - } - - static scrollPageTo(element) { - let windowScrollPosition = window.pageYOffset; - let windowHeight = document.documentElement.clientHeight; - let viewportPosition = windowScrollPosition + windowHeight; - let itemBottomPosition = element.offsetTop + element.offsetHeight; - - if (viewportPosition - itemBottomPosition < 0 || viewportPosition - element.offsetTop > windowHeight) { - window.scrollTo(0, element.offsetTop - 10); - } - } - - static getVisibleElements(selector) { - let elements = document.querySelectorAll(selector); - let result = []; - - for (let i = 0; i < elements.length; i++) { - if (this.isVisible(elements[i])) { - result.push(elements[i]); - } - } - - return result; - } - - static findParent(element, selector) { - for (; element && element !== document; element = element.parentNode) { - if (element.classList.contains(selector)) { - return element; - } - } - - return null; - } -} - -class TouchHandler { - constructor() { - this.reset(); - } - - reset() { - this.touch = { - start: {x: -1, y: -1}, - move: {x: -1, y: -1}, - element: null - }; - } - - calculateDistance() { - if (this.touch.start.x >= -1 && this.touch.move.x >= -1) { - let horizontalDistance = Math.abs(this.touch.move.x - this.touch.start.x); - let verticalDistance = Math.abs(this.touch.move.y - this.touch.start.y); - - if (horizontalDistance > 30 && verticalDistance < 70) { - return this.touch.move.x - this.touch.start.x; - } - } - - return 0; - } - - findElement(element) { - if (element.classList.contains("touch-item")) { - return element; - } - - return DomHelper.findParent(element, "touch-item"); - } - - onTouchStart(event) { - if (event.touches === undefined || event.touches.length !== 1) { - return; - } - - this.reset(); - this.touch.start.x = event.touches[0].clientX; - this.touch.start.y = event.touches[0].clientY; - this.touch.element = this.findElement(event.touches[0].target); - } - - onTouchMove(event) { - if (event.touches === undefined || event.touches.length !== 1 || this.element === null) { - return; - } - - this.touch.move.x = event.touches[0].clientX; - this.touch.move.y = event.touches[0].clientY; - - let distance = this.calculateDistance(); - let absDistance = Math.abs(distance); - - if (absDistance > 0) { - let opacity = 1 - (absDistance > 75 ? 0.9 : absDistance / 75 * 0.9); - let tx = distance > 75 ? 75 : (distance < -75 ? -75 : distance); - - this.touch.element.style.opacity = opacity; - this.touch.element.style.transform = "translateX(" + tx + "px)"; - } - } - - onTouchEnd(event) { - if (event.touches === undefined) { - return; - } - - if (this.touch.element !== null) { - let distance = Math.abs(this.calculateDistance()); - - if (distance > 75) { - EntryHandler.toggleEntryStatus(this.touch.element); - } - this.touch.element.style.opacity = 1; - this.touch.element.style.transform = "none"; - } - - this.reset(); - } - - listen() { - let elements = document.querySelectorAll(".touch-item"); - - elements.forEach((element) => { - element.addEventListener("touchstart", (e) => this.onTouchStart(e), false); - element.addEventListener("touchmove", (e) => this.onTouchMove(e), false); - element.addEventListener("touchend", (e) => this.onTouchEnd(e), false); - element.addEventListener("touchcancel", () => this.reset(), false); - }); - } -} - -class KeyboardHandler { - constructor() { - this.queue = []; - this.shortcuts = {}; - } - - on(combination, callback) { - this.shortcuts[combination] = callback; - } - - listen() { - document.onkeydown = (event) => { - if (this.isEventIgnored(event)) { - return; - } - - let key = this.getKey(event); - this.queue.push(key); - - for (let combination in this.shortcuts) { - let keys = combination.split(" "); - - if (keys.every((value, index) => value === this.queue[index])) { - this.queue = []; - this.shortcuts[combination](event); - return; - } - - if (keys.length === 1 && key === keys[0]) { - this.queue = []; - this.shortcuts[combination](event); - return; - } - } - - if (this.queue.length >= 2) { - this.queue = []; - } - }; - } - - isEventIgnored(event) { - return event.target.tagName === "INPUT" || event.target.tagName === "TEXTAREA"; - } - - getKey(event) { - const mapping = { - 'Esc': 'Escape', - 'Up': 'ArrowUp', - 'Down': 'ArrowDown', - 'Left': 'ArrowLeft', - 'Right': 'ArrowRight' - }; - - for (let key in mapping) { - if (mapping.hasOwnProperty(key) && key === event.key) { - return mapping[key]; - } - } - - return event.key; - } -} - -class FormHandler { - static handleSubmitButtons() { - let elements = document.querySelectorAll("form"); - elements.forEach((element) => { - element.onsubmit = () => { - let button = document.querySelector("button"); - - if (button) { - button.innerHTML = button.dataset.labelLoading; - button.disabled = true; - } - }; - }); - } -} - -class MouseHandler { - onClick(selector, callback) { - let elements = document.querySelectorAll(selector); - elements.forEach((element) => { - element.onclick = (event) => { - event.preventDefault(); - callback(event); - }; - }); - } -} - -class RequestBuilder { - constructor(url) { - this.callback = null; - this.url = url; - this.options = { - method: "POST", - cache: "no-cache", - credentials: "include", - body: null, - headers: new Headers({ - "Content-Type": "application/json", - "X-Csrf-Token": this.getCsrfToken() - }) - }; - } - - withBody(body) { - this.options.body = JSON.stringify(body); - return this; - } - - withCallback(callback) { - this.callback = callback; - return this; - } - - getCsrfToken() { - let element = document.querySelector("meta[name=X-CSRF-Token]"); - if (element !== null) { - return element.getAttribute("value"); - } - - return ""; - } - - execute() { - fetch(new Request(this.url, this.options)).then((response) => { - if (this.callback) { - this.callback(response); - } - }); - } -} - -class UnreadCounterHandler { - static decrement(n) { - this.updateValue((current) => { - return current - n; - }); - } - - static increment(n) { - this.updateValue((current) => { - return current + n; - }); - } - - static updateValue(callback) { - let counterElements = document.querySelectorAll("span.unread-counter"); - counterElements.forEach((element) => { - let oldValue = parseInt(element.textContent, 10); - element.innerHTML = callback(oldValue); - }); - - if (window.location.href.endsWith('/unread')) { - let oldValue = parseInt(document.title.split('(')[1], 10); - let newValue = callback(oldValue); - - document.title = document.title.replace( - /(.*?)\(\d+\)(.*?)/, - function (match, prefix, suffix, offset, string) { - return prefix + '(' + newValue + ')' + suffix; - } - ); - } - } -} - -class EntryHandler { - static updateEntriesStatus(entryIDs, status, callback) { - let url = document.body.dataset.entriesStatusUrl; - let request = new RequestBuilder(url); - request.withBody({entry_ids: entryIDs, status: status}); - request.withCallback(callback); - request.execute(); - - if (status === "read") { - UnreadCounterHandler.decrement(1); - } else { - UnreadCounterHandler.increment(1); - } - } - - static toggleEntryStatus(element) { - let entryID = parseInt(element.dataset.id, 10); - let statuses = {read: "unread", unread: "read"}; - - for (let currentStatus in statuses) { - let newStatus = statuses[currentStatus]; - - if (element.classList.contains("item-status-" + currentStatus)) { - element.classList.remove("item-status-" + currentStatus); - element.classList.add("item-status-" + newStatus); - - this.updateEntriesStatus([entryID], newStatus); - - let link = element.querySelector("a[data-toggle-status]"); - if (link) { - this.toggleLinkStatus(link); - } - - break; - } - } - } - - static toggleLinkStatus(link) { - if (link.dataset.value === "read") { - link.innerHTML = link.dataset.labelRead; - link.dataset.value = "unread"; - } else { - link.innerHTML = link.dataset.labelUnread; - link.dataset.value = "read"; - } - } - - static toggleBookmark(element) { - element.innerHTML = element.dataset.labelLoading; - - let request = new RequestBuilder(element.dataset.bookmarkUrl); - request.withCallback(() => { - if (element.dataset.value === "star") { - element.innerHTML = element.dataset.labelStar; - element.dataset.value = "unstar"; - } else { - element.innerHTML = element.dataset.labelUnstar; - element.dataset.value = "star"; - } - }); - request.execute(); - } - - static markEntryAsRead(element) { - if (element.classList.contains("item-status-unread")) { - element.classList.remove("item-status-unread"); - element.classList.add("item-status-read"); - - let entryID = parseInt(element.dataset.id, 10); - this.updateEntriesStatus([entryID], "read"); - } - } - - static saveEntry(element) { - if (element.dataset.completed) { - return; - } - - element.innerHTML = element.dataset.labelLoading; - - let request = new RequestBuilder(element.dataset.saveUrl); - request.withCallback(() => { - element.innerHTML = element.dataset.labelDone; - element.dataset.completed = true; - }); - request.execute(); - } - - static fetchOriginalContent(element) { - if (element.dataset.completed) { - return; - } - - element.innerHTML = element.dataset.labelLoading; - - let request = new RequestBuilder(element.dataset.fetchContentUrl); - request.withCallback((response) => { - element.innerHTML = element.dataset.labelDone; - element.dataset.completed = true; - - response.json().then((data) => { - if (data.hasOwnProperty("content")) { - document.querySelector(".entry-content").innerHTML = data.content; - } - }); - }); - request.execute(); - } -} - -class ConfirmHandler { - remove(url) { - let request = new RequestBuilder(url); - request.withCallback(() => window.location.reload()); - request.execute(); - } - - handle(event) { - let questionElement = document.createElement("span"); - let linkElement = event.target; - let containerElement = linkElement.parentNode; - linkElement.style.display = "none"; - - let yesElement = document.createElement("a"); - yesElement.href = "#"; - yesElement.appendChild(document.createTextNode(linkElement.dataset.labelYes)); - yesElement.onclick = (event) => { - event.preventDefault(); - - let loadingElement = document.createElement("span"); - loadingElement.className = "loading"; - loadingElement.appendChild(document.createTextNode(linkElement.dataset.labelLoading)); - - questionElement.remove(); - containerElement.appendChild(loadingElement); - - this.remove(linkElement.dataset.url); - }; - - let noElement = document.createElement("a"); - noElement.href = "#"; - noElement.appendChild(document.createTextNode(linkElement.dataset.labelNo)); - noElement.onclick = (event) => { - event.preventDefault(); - linkElement.style.display = "inline"; - questionElement.remove(); - }; - - questionElement.className = "confirm"; - questionElement.appendChild(document.createTextNode(linkElement.dataset.labelQuestion + " ")); - questionElement.appendChild(yesElement); - questionElement.appendChild(document.createTextNode(", ")); - questionElement.appendChild(noElement); - - containerElement.appendChild(questionElement); - } -} - -class MenuHandler { - clickMenuListItem(event) { - let element = event.target; - - if (element.tagName === "A") { - window.location.href = element.getAttribute("href"); - } else { - window.location.href = element.querySelector("a").getAttribute("href"); - } - } - - toggleMainMenu() { - let menu = document.querySelector(".header nav ul"); - if (DomHelper.isVisible(menu)) { - menu.style.display = "none"; - } else { - menu.style.display = "block"; - } - - let searchElement = document.querySelector(".header .search"); - if (DomHelper.isVisible(searchElement)) { - searchElement.style.display = "none"; - } else { - searchElement.style.display = "block"; - } - } -} - -class ModalHandler { - static exists() { - return document.getElementById("modal-container") !== null; - } - - static open(fragment) { - if (ModalHandler.exists()) { - return; - } - - let container = document.createElement("div"); - container.id = "modal-container"; - container.appendChild(document.importNode(fragment, true)); - document.body.appendChild(container); - - let closeButton = document.querySelector("a.btn-close-modal"); - if (closeButton !== null) { - closeButton.onclick = (event) => { - event.preventDefault(); - ModalHandler.close(); - }; - } - } - - static close() { - let container = document.getElementById("modal-container"); - if (container !== null) { - container.parentNode.removeChild(container); - } - } -} - -class NavHandler { - setFocusToSearchInput(event) { - event.preventDefault(); - event.stopPropagation(); - - let toggleSwitchElement = document.querySelector(".search-toggle-switch"); - if (toggleSwitchElement) { - toggleSwitchElement.style.display = "none"; - } - - let searchFormElement = document.querySelector(".search-form"); - if (searchFormElement) { - searchFormElement.style.display = "block"; - } - - let searchInputElement = document.getElementById("search-input"); - if (searchInputElement) { - searchInputElement.focus(); - searchInputElement.value = ""; - } - } - - showKeyboardShortcuts() { - let template = document.getElementById("keyboard-shortcuts"); - if (template !== null) { - ModalHandler.open(template.content); - } - } - - markPageAsRead() { - let items = DomHelper.getVisibleElements(".items .item"); - let entryIDs = []; - - items.forEach((element) => { - element.classList.add("item-status-read"); - entryIDs.push(parseInt(element.dataset.id, 10)); - }); - - if (entryIDs.length > 0) { - EntryHandler.updateEntriesStatus(entryIDs, "read", () => { - // This callback make sure the Ajax request reach the server before we reload the page. - this.goToPage("next", true); - }); - } - } - - saveEntry() { - if (this.isListView()) { - let currentItem = document.querySelector(".current-item"); - if (currentItem !== null) { - let saveLink = currentItem.querySelector("a[data-save-entry]"); - if (saveLink) { - EntryHandler.saveEntry(saveLink); - } - } - } else { - let saveLink = document.querySelector("a[data-save-entry]"); - if (saveLink) { - EntryHandler.saveEntry(saveLink); - } - } - } - - fetchOriginalContent() { - if (! this.isListView()){ - let link = document.querySelector("a[data-fetch-content-entry]"); - if (link) { - EntryHandler.fetchOriginalContent(link); - } - } - } - - toggleEntryStatus() { - let currentItem = document.querySelector(".current-item"); - if (currentItem !== null) { - // The order is important here, - // On the unread page, the read item will be hidden. - this.goToNextListItem(); - EntryHandler.toggleEntryStatus(currentItem); - } - } - - toggleBookmark() { - if (! this.isListView()) { - this.toggleBookmarkLink(document.querySelector(".entry")); - return; - } - - let currentItem = document.querySelector(".current-item"); - if (currentItem !== null) { - this.toggleBookmarkLink(currentItem); - } - } - - toggleBookmarkLink(parent) { - let bookmarkLink = parent.querySelector("a[data-toggle-bookmark]"); - if (bookmarkLink) { - EntryHandler.toggleBookmark(bookmarkLink); - } - } - - openOriginalLink() { - let entryLink = document.querySelector(".entry h1 a"); - if (entryLink !== null) { - DomHelper.openNewTab(entryLink.getAttribute("href")); - return; - } - - let currentItemOriginalLink = document.querySelector(".current-item a[data-original-link]"); - if (currentItemOriginalLink !== null) { - DomHelper.openNewTab(currentItemOriginalLink.getAttribute("href")); - - // Move to the next item and if we are on the unread page mark this item as read. - let currentItem = document.querySelector(".current-item"); - this.goToNextListItem(); - EntryHandler.markEntryAsRead(currentItem); - } - } - - openSelectedItem() { - let currentItemLink = document.querySelector(".current-item .item-title a"); - if (currentItemLink !== null) { - window.location.href = currentItemLink.getAttribute("href"); - } - } - - /** - * @param {string} page Page to redirect to. - * @param {boolean} fallbackSelf Refresh actual page if the page is not found. - */ - goToPage(page, fallbackSelf) { - let element = document.querySelector("a[data-page=" + page + "]"); - - if (element) { - document.location.href = element.href; - } else if (fallbackSelf) { - window.location.reload(); - } - } - - goToPrevious() { - if (this.isListView()) { - this.goToPreviousListItem(); - } else { - this.goToPage("previous"); - } - } - - goToNext() { - if (this.isListView()) { - this.goToNextListItem(); - } else { - this.goToPage("next"); - } - } - - goToPreviousListItem() { - let items = DomHelper.getVisibleElements(".items .item"); - if (items.length === 0) { - return; - } - - if (document.querySelector(".current-item") === null) { - items[0].classList.add("current-item"); - return; - } - - for (let i = 0; i < items.length; i++) { - if (items[i].classList.contains("current-item")) { - items[i].classList.remove("current-item"); - - if (i - 1 >= 0) { - items[i - 1].classList.add("current-item"); - DomHelper.scrollPageTo(items[i - 1]); - } - - break; - } - } - } - - goToNextListItem() { - let currentItem = document.querySelector(".current-item"); - let items = DomHelper.getVisibleElements(".items .item"); - if (items.length === 0) { - return; - } - - if (currentItem === null) { - items[0].classList.add("current-item"); - return; - } - - for (let i = 0; i < items.length; i++) { - if (items[i].classList.contains("current-item")) { - items[i].classList.remove("current-item"); - - if (i + 1 < items.length) { - items[i + 1].classList.add("current-item"); - DomHelper.scrollPageTo(items[i + 1]); - } - - break; - } - } - } - - isListView() { - return document.querySelector(".items") !== null; - } -} - -document.addEventListener("DOMContentLoaded", function() { - FormHandler.handleSubmitButtons(); - - let touchHandler = new TouchHandler(); - touchHandler.listen(); - - let navHandler = new NavHandler(); - let keyboardHandler = new KeyboardHandler(); - keyboardHandler.on("g u", () => navHandler.goToPage("unread")); - keyboardHandler.on("g b", () => navHandler.goToPage("starred")); - keyboardHandler.on("g h", () => navHandler.goToPage("history")); - keyboardHandler.on("g f", () => navHandler.goToPage("feeds")); - keyboardHandler.on("g c", () => navHandler.goToPage("categories")); - keyboardHandler.on("g s", () => navHandler.goToPage("settings")); - keyboardHandler.on("ArrowLeft", () => navHandler.goToPrevious()); - keyboardHandler.on("ArrowRight", () => navHandler.goToNext()); - keyboardHandler.on("j", () => navHandler.goToPrevious()); - keyboardHandler.on("p", () => navHandler.goToPrevious()); - keyboardHandler.on("k", () => navHandler.goToNext()); - keyboardHandler.on("n", () => navHandler.goToNext()); - keyboardHandler.on("h", () => navHandler.goToPage("previous")); - keyboardHandler.on("l", () => navHandler.goToPage("next")); - keyboardHandler.on("o", () => navHandler.openSelectedItem()); - keyboardHandler.on("v", () => navHandler.openOriginalLink()); - keyboardHandler.on("m", () => navHandler.toggleEntryStatus()); - keyboardHandler.on("A", () => navHandler.markPageAsRead()); - keyboardHandler.on("s", () => navHandler.saveEntry()); - keyboardHandler.on("d", () => navHandler.fetchOriginalContent()); - keyboardHandler.on("f", () => navHandler.toggleBookmark()); - keyboardHandler.on("?", () => navHandler.showKeyboardShortcuts()); - keyboardHandler.on("/", (e) => navHandler.setFocusToSearchInput(e)); - keyboardHandler.on("Escape", () => ModalHandler.close()); - keyboardHandler.listen(); - - let mouseHandler = new MouseHandler(); - mouseHandler.onClick("a[data-save-entry]", (event) => { - event.preventDefault(); - EntryHandler.saveEntry(event.target); - }); - - mouseHandler.onClick("a[data-toggle-bookmark]", (event) => { - event.preventDefault(); - EntryHandler.toggleBookmark(event.target); - }); - - mouseHandler.onClick("a[data-toggle-status]", (event) => { - event.preventDefault(); - - let currentItem = DomHelper.findParent(event.target, "item"); - if (currentItem) { - EntryHandler.toggleEntryStatus(currentItem); - } - }); - - mouseHandler.onClick("a[data-fetch-content-entry]", (event) => { - event.preventDefault(); - EntryHandler.fetchOriginalContent(event.target); - }); - - mouseHandler.onClick("a[data-on-click=markPageAsRead]", () => navHandler.markPageAsRead()); - mouseHandler.onClick("a[data-confirm]", (event) => { - (new ConfirmHandler()).handle(event); - }); - - mouseHandler.onClick("a[data-action=search]", (event) => { - navHandler.setFocusToSearchInput(event); - }); - - if (document.documentElement.clientWidth < 600) { - let menuHandler = new MenuHandler(); - mouseHandler.onClick(".logo", () => menuHandler.toggleMainMenu()); - mouseHandler.onClick(".header nav li", (event) => menuHandler.clickMenuListItem(event)); - } -}); - -})(); |