86 lines
2.7 KiB
JavaScript
86 lines
2.7 KiB
JavaScript
import DiscourseURL from "discourse/lib/url";
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import { currentThemeIds, refreshCSS } from "discourse/lib/theme-selector";
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import ENV from "discourse-common/config/environment";
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// Use the message bus for live reloading of components for faster development.
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export default {
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name: "live-development",
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initialize(container) {
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const messageBus = container.lookup("message-bus:main");
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if (
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window.history &&
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window.location.search.indexOf("?preview_theme_id=") === 0
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) {
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// force preview theme id to always be carried along
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const themeId = parseInt(
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window.location.search.slice(18).split("&")[0],
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10
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);
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if (!isNaN(themeId)) {
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const patchState = function(f) {
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const patched = window.history[f];
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window.history[f] = function(stateObj, name, url) {
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if (url.indexOf("preview_theme_id=") === -1) {
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const joiner = url.indexOf("?") === -1 ? "?" : "&";
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url = `${url}${joiner}preview_theme_id=${themeId}`;
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}
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return patched.call(window.history, stateObj, name, url);
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};
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};
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patchState("replaceState");
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patchState("pushState");
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}
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}
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// Custom header changes
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$("header.custom").each(function() {
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const header = $(this);
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return messageBus.subscribe(
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"/header-change/" + $(this).data("id"),
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function(data) {
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return header.html(data);
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}
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);
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});
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// Useful to export this for debugging purposes
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if (Discourse.Environment === "development" && ENV.environment !== "test") {
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window.DiscourseURL = DiscourseURL;
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}
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// Observe file changes
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messageBus.subscribe("/file-change", function(data) {
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if (Handlebars.compile && !Ember.TEMPLATES.empty) {
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// hbs notifications only happen in dev
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Ember.TEMPLATES.empty = Handlebars.compile("<div></div>");
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}
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data.forEach(me => {
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if (me === "refresh") {
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// Refresh if necessary
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document.location.reload(true);
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} else {
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const themeIds = currentThemeIds();
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$("link").each(function() {
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if (me.hasOwnProperty("theme_id") && me.new_href) {
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const target = $(this).data("target");
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const themeId = $(this).data("theme-id");
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if (
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themeIds.indexOf(me.theme_id) !== -1 &&
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target === me.target &&
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(!themeId || themeId === me.theme_id)
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) {
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refreshCSS(this, null, me.new_href);
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}
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} else if (this.href.match(me.name) && (me.hash || me.new_href)) {
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refreshCSS(this, me.hash, me.new_href);
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}
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});
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}
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});
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});
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}
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};
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