Sam Sneddon
5bbaff2951
Automatic update from web-platform-tests Speculation Rules prerender tests should check for support We're seeing timeouts on the STP bots, because spending over an hour timing out on speculation rules tests just eats into the timeout. -- wpt-commits: 9f7999f4b3dd412a338f3231228e64230d6a6531 wpt-pr: 59217
62 lines
2.4 KiB
JavaScript
62 lines
2.4 KiB
JavaScript
globalThis.assertSpeculationRulesIsSupported = (...types) => {
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assert_implements(
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'supports' in HTMLScriptElement,
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'HTMLScriptElement.supports must be supported');
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assert_implements(
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HTMLScriptElement.supports('speculationrules'),
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'<script type="speculationrules"> must be supported');
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for (const type of types) {
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if (type === 'prerender') {
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assert_implements(
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'prerendering' in document,
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'Prerendering must be supported (document.prerendering)');
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}
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}
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};
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// If you want access to these, be sure to include
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// /html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js.
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// So as to avoid requiring everyone to do that, we only conditionally define this infrastructure.
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if (globalThis.RemoteContextHelper) {
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class PreloadingRemoteContextWrapper extends RemoteContextHelper.RemoteContextWrapper {
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/**
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* Starts preloading a page with this `PreloadingRemoteContextWrapper` as the
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* referrer, using `<script type="speculationrules">`.
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*
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* @param {"prefetch"|"prerender"} preloadType - The preload type to use.
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* @param {object} [extrasInSpeculationRule] - Additional properties to add
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* to the speculation rule JSON.
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* @param {RemoteContextConfig|object} [extraConfig] - Additional remote
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* context configuration for the preloaded context.
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* @returns {Promise<PreloadingRemoteContextWrapper>}
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*/
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addPreload(preloadType, { extrasInSpeculationRule = {}, ...extraConfig } = {}) {
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const referrerRemoteContext = this;
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return this.helper.createContext({
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executorCreator(url) {
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return referrerRemoteContext.executeScript((url, preloadType, extrasInSpeculationRule) => {
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const script = document.createElement("script");
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script.type = "speculationrules";
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script.textContent = JSON.stringify({
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[preloadType]: [
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{
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source: "list",
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urls: [url],
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...extrasInSpeculationRule
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}
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]
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});
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document.head.append(script);
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}, [url, preloadType, extrasInSpeculationRule]);
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},
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extraConfig
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});
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}
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}
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globalThis.PreloadingRemoteContextHelper = class extends RemoteContextHelper {
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static RemoteContextWrapper = PreloadingRemoteContextWrapper;
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};
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}
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