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// polyfill only stable `core-js` features - ES and web standards:
import "core-js/stable";
// 1/
//
// add sticky flag support
//
// src: https://github.com/paulmillr/es6-shim/issues/376#issue-118172552
if ( !('sticky' in global.RegExp.prototype) ) {
const OriginalRegExp = global.RegExp;
const originalExec = OriginalRegExp.prototype.exec;
OriginalRegExp.prototype.exec = function (string) {
const lastIndex = this.lastIndex;
const result = originalExec.call(this, string);
if ( this._sticky && result != null && this.lastIndex - result[0].length !== lastIndex ) {
this.lastIndex = 0;
return null;
}
return result;
};
OriginalRegExp.prototype.test = function(string) {
return !!this.exec(string);
}
function PolyfilledRegExp(pattern, flags) {
const i = flags != undefined ? flags.indexOf('y') : -1;
const x = new OriginalRegExp(pattern, i === -1 ? flags : flags.slice(0, i) + flags.slice(i + 1) + (flags.indexOf('g') === -1 ? 'g' : ''));
x._sticky = i !== -1;
return x;
};
PolyfilledRegExp.prototype = OriginalRegExp.prototype; // handle instanceof: new RegExp('.*') instanceof RegExp
global.RegExp = PolyfilledRegExp;
}
// 2/
//
// because :
// - IE11 has typed array
// - IE11 has no toStringTag symbol on typed array
// - polyfills is "usage-pure" (no global scope pollution)
// -> fix missing Symbol.toStringTag on typed array prototype (used by util > is-typed-array)
// var arr = new global[typedArray]();
// if (!(Symbol.toStringTag in arr)) {
// ...
//
for ( let name of [
'Int8Array',
'Uint8Array',
'Uint8ClampedArray',
'Int16Array',
'Uint16Array',
'Int32Array',
'Uint32Array',
'Float32Array',
'Float64Array',
'BigInt64Array',
'BigUint64Array'
] ) {
if ( global[name] && !(Symbol.toStringTag in global[name].prototype) )
Object.defineProperty(global[name].prototype, Symbol.toStringTag, { value: name });
}