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Add RegExp dotAll feature test 

As mentioned in
https://github.com/vector-im/element-web/issues/16020#issuecomment-774384598,
we're depending on the `dotAll` / `s` regex feature. This adds a test so
browsers without this see an error screen.
pull/16408/head
J. Ryan Stinnett 2021-02-08 16:36:49 +00:00
parent e562c54ddc
commit 27a92a5c89
1 changed files with 12 additions and 6 deletions
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18
src/vector/index.ts
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@ -45,14 +45,20 @@ function checkBrowserFeatures() {
return false;
}
// custom checks atop Modernizr because it doesn't have ES2018/ES2019 checks in it for some features we depend on,
// Modernizr requires rules to be lowercase with no punctuation:
// ES2018: http://www.ecma-international.org/ecma-262/9.0/#sec-promise.prototype.finally
// Custom checks atop Modernizr because it doesn't have ES2018/ES2019 checks
// in it for some features we depend on.
// Modernizr requires rules to be lowercase with no punctuation.
// ES2018: http://262.ecma-international.org/9.0/#sec-promise.prototype.finally
window.Modernizr.addTest("promiseprototypefinally", () =>
window.Promise && window.Promise.prototype && typeof window.Promise.prototype.finally === "function");
// ES2019: http://www.ecma-international.org/ecma-262/10.0/#sec-object.fromentries
typeof window.Promise?.prototype?.finally === "function");
// ES2018: https://262.ecma-international.org/9.0/#sec-get-regexp.prototype.dotAll
window.Modernizr.addTest("regexpdotall", () => (
window.RegExp?.prototype &&
!!Object.getOwnPropertyDescriptor(window.RegExp.prototype, "dotAll")?.get
));
// ES2019: http://262.ecma-international.org/10.0/#sec-object.fromentries
window.Modernizr.addTest("objectfromentries", () =>
window.Object && typeof window.Object.fromEntries === "function");
typeof window.Object?.fromEntries === "function");
const featureList = Object.keys(window.Modernizr);