Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix(polyfill): Remove IE11 polyfills #1515

Merged
merged 4 commits into from
May 7, 2024
Merged

fix(polyfill): Remove IE11 polyfills #1515

Changes from 1 commit
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
a4cd3b8
fix(polyfill): Remove IE11 polyfills
JChan106 May 6, 2024
47a178a
fix(polyfill): Remove additional IE11 polyfill
JChan106 May 6, 2024
d7d74bb
fix(polyfill): Remove unneeded polyfills
JChan106 May 6, 2024
a55e9e8
fix(polyfill): Remove polyfill.js
JChan106 May 6, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
98 changes: 0 additions & 98 deletions src/lib/polyfill.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -218,90 +218,6 @@ Number.isNaN =
return value !== value;
};

// Reflect.construct polyfill for IE11, adapted from
// https://github.com/zloirock/core-js/blob/master/modules/es6.reflect.construct.js
(function() {
function aFunction(it) {
if (typeof it != 'function') throw TypeError(it + ' is not a function!');
return it;
}
function isObject(it) {
return typeof it === 'object' ? it !== null : typeof it === 'function';
}
function anObject(it) {
if (!isObject(it)) throw TypeError(it + ' is not an object!');
return it;
}
function fails(exec) {
try {
return !!exec();
} catch (e) {
return true;
}
}
var rConstruct = (typeof Reflect !== 'undefined' ? Reflect : {}).construct;

// MS Edge supports only 2 arguments and argumentsList argument is optional
// FF Nightly sets third argument as `new.target`, but does not create `this` from it
var NEW_TARGET_BUG = fails(function() {
function F() {
/* empty */
}
return !(
rConstruct(
function() {
/* empty */
},
[],
F,
) instanceof F
);
});
var ARGS_BUG = !fails(function() {
rConstruct(function() {
/* empty */
});
});
function construct(Target, args /* , newTarget */) {
aFunction(Target);
anObject(args);
var newTarget = arguments.length < 3 ? Target : aFunction(arguments[2]);
if (ARGS_BUG && !NEW_TARGET_BUG) return rConstruct(Target, args, newTarget);
if (Target == newTarget) {
// w/o altered newTarget, optimization for 0-4 arguments
switch (args.length) {
case 0:
return new Target();
case 1:
return new Target(args[0]);
case 2:
return new Target(args[0], args[1]);
case 3:
return new Target(args[0], args[1], args[2]);
case 4:
return new Target(args[0], args[1], args[2], args[3]);
}
// w/o altered newTarget, lot of arguments case
var $args = [null];
$args.push.apply($args, args);
return new (Function.bind.apply(Target, $args))();
}
// with altered newTarget, not support built-in constructors
var proto = newTarget.prototype;
var instance = Object.create(isObject(proto) ? proto : Object.prototype);
var result = Function.apply.call(Target, instance, args);
return isObject(result) ? result : instance;
}

if (typeof Reflect !== 'undefined') {
Reflect.construct = construct;
} else {
Reflect = {
construct,
};
}
})();

// Production steps of ECMA-262, Edition 6, 22.1.2.1
if (!Array.from) {
Array.from = (function() {
Expand Down Expand Up @@ -385,20 +301,6 @@ if (!Array.from) {
})();
}

// startsWith polyfill for IE 11
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
if (!String.prototype.startsWith) {
String.prototype.startsWith = function(search, pos) {
return this.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
};
}

// NodeList.prototype.forEach polyfill for IE11
// https://developer.mozilla.org/en-US/docs/Web/API/NodeList/forEach
if (window.NodeList && !NodeList.prototype.forEach) {
NodeList.prototype.forEach = Array.prototype.forEach;
}

// PerformanceObserver no-op polyfill for IE11 and Edge (not supported)
if (!window.PerformanceObserver) {
window.PerformanceObserver = function PerformanceObserverNoop() {
Expand Down