32d6d8308c
This patch remembers the last id for the `file-change` event and uses it to initialize the client side watcher. This should help fix the issue where styles are not reloaded client side if the browser refreshed.
85 lines
2.8 KiB
JavaScript
85 lines
2.8 KiB
JavaScript
import DiscourseURL from "discourse/lib/url";
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import Handlebars from "handlebars";
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import { isDevelopment } from "discourse-common/config/environment";
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import { refreshCSS } from "discourse/lib/theme-selector";
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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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const session = container.lookup("session:main");
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// Preserve preview_theme_id=## and pp=async-flamegraph parameters across pages
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const params = new URLSearchParams(window.location.search);
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const previewThemeId = params.get("preview_theme_id");
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const flamegraph = params.get("pp") === "async-flamegraph";
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if (flamegraph || previewThemeId !== null) {
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["replaceState", "pushState"].forEach((funcName) => {
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const originalFunc = window.history[funcName];
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window.history[funcName] = (stateObj, name, rawUrl) => {
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const url = new URL(rawUrl, window.location);
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if (previewThemeId !== null) {
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url.searchParams.set("preview_theme_id", previewThemeId);
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}
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if (flamegraph) {
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url.searchParams.set("pp", "async-flamegraph");
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}
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return originalFunc.call(window.history, stateObj, name, url.href);
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};
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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/" + $(this).data("id"),
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function (data) {
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return header.html(data);
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}
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);
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});
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// Useful to export this for debugging purposes
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if (isDevelopment()) {
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window.DiscourseURL = DiscourseURL;
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}
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// Observe file changes
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messageBus.subscribe(
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"/file-change",
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function (data) {
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if (Handlebars.compile && !Ember.TEMPLATES.empty) {
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// hbs notifications only happen in dev
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Ember.TEMPLATES.empty = Handlebars.compile("<div></div>");
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}
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data.forEach((me) => {
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if (me === "refresh") {
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// Refresh if necessary
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document.location.reload(true);
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} else {
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$("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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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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session.mbLastFileChangeId
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);
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},
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};
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