зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
1.5 KiB
JavaScript
58 строки
1.5 KiB
JavaScript
{
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const { DOMLocalization } =
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ChromeUtils.import("resource://gre/modules/DOMLocalization.jsm", {});
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/**
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* Polyfill for document.ready polyfill.
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* See: https://github.com/whatwg/html/issues/127 for details.
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*
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* @returns {Promise}
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*/
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function documentReady() {
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if (document.contentType === "application/vnd.mozilla.xul+xml") {
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// XUL
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return new Promise(
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resolve => document.addEventListener(
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"MozBeforeInitialXULLayout", resolve, { once: true }
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)
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);
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}
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// HTML
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const rs = document.readyState;
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if (rs === "interactive" || rs === "completed") {
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return Promise.resolve();
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}
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return new Promise(
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resolve => document.addEventListener(
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"readystatechange", resolve, { once: true }
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)
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);
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}
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/**
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* Scans the `elem` for links with localization resources.
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*
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* @param {Element} elem
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* @returns {Array<string>}
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*/
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function getResourceLinks(elem) {
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return Array.from(elem.querySelectorAll('link[rel="localization"]')).map(
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el => el.getAttribute("href")
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);
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}
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const resourceIds = getResourceLinks(document.head || document);
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document.l10n = new DOMLocalization(window, resourceIds);
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// trigger first context to be fetched eagerly
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document.l10n.ctxs.touchNext();
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document.l10n.ready = documentReady().then(() => {
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document.l10n.registerObservers();
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document.l10n.connectRoot(document.documentElement);
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return document.l10n.translateRoots();
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});
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}
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