Current File : //proc/self/root/var/www/html/node_modules/es-abstract/2017/Set.js
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var IsPropertyKey = require('./IsPropertyKey');
var SameValue = require('./SameValue');
var Type = require('./Type');
// IE 9 does not throw in strict mode when writability/configurability/extensibility is violated
var noThrowOnStrictViolation = (function () {
try {
delete [].length;
return true;
} catch (e) {
return false;
}
}());
// https://ecma-international.org/ecma-262/6.0/#sec-set-o-p-v-throw
module.exports = function Set(O, P, V, Throw) {
if (Type(O) !== 'Object') {
throw new $TypeError('Assertion failed: `O` must be an Object');
}
if (!IsPropertyKey(P)) {
throw new $TypeError('Assertion failed: `P` must be a Property Key');
}
if (Type(Throw) !== 'Boolean') {
throw new $TypeError('Assertion failed: `Throw` must be a Boolean');
}
if (Throw) {
O[P] = V; // eslint-disable-line no-param-reassign
if (noThrowOnStrictViolation && !SameValue(O[P], V)) {
throw new $TypeError('Attempted to assign to readonly property.');
}
return true;
}
try {
O[P] = V; // eslint-disable-line no-param-reassign
return noThrowOnStrictViolation ? SameValue(O[P], V) : true;
} catch (e) {
return false;
}
};
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