Fixed a bug with illegal invocation for Trusted Types (#17083)
* Fixed a bug with illegal invocation. * Fixed the test.
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@ -53,15 +53,14 @@ export opaque type TrustedValue: {toString(): string, valueOf(): string} = {
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*/
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export let toStringOrTrustedType: any => string | TrustedValue = toString;
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if (enableTrustedTypesIntegration && typeof trustedTypes !== 'undefined') {
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const isHTML = trustedTypes.isHTML;
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const isScript = trustedTypes.isScript;
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const isScriptURL = trustedTypes.isScriptURL;
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// TrustedURLs are deprecated and will be removed soon: https://github.com/WICG/trusted-types/pull/204
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const isURL = trustedTypes.isURL ? trustedTypes.isURL : value => false;
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toStringOrTrustedType = value => {
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if (
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typeof value === 'object' &&
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(isHTML(value) || isScript(value) || isScriptURL(value) || isURL(value))
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(trustedTypes.isHTML(value) ||
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trustedTypes.isScript(value) ||
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trustedTypes.isScriptURL(value) ||
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/* TrustedURLs are deprecated and will be removed soon: https://github.com/WICG/trusted-types/pull/204 */
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(trustedTypes.isURL && trustedTypes.isURL(value)))
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) {
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// Pass Trusted Types through.
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return value;
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@ -22,7 +22,12 @@ describe('when Trusted Types are available in global object', () => {
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container = document.createElement('div');
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const fakeTTObjects = new Set();
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window.trustedTypes = {
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isHTML: value => fakeTTObjects.has(value),
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isHTML: function(value) {
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if (this !== window.trustedTypes) {
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throw new Error(this);
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}
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return fakeTTObjects.has(value);
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},
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isScript: () => false,
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isScriptURL: () => false,
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};
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