cafe-grader-web Files · node_modules/es-abstract/2016/DeletePropertyOrThrow.js

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                    node_modules/es-abstract/2016/DeletePropertyOrThrow.js
                
             | 27 lines
             | 705 B
             | application/javascript 
             | JavascriptLexer
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      'use strict';

      var GetIntrinsic = require('../GetIntrinsic');

      var $TypeError = GetIntrinsic('%TypeError%');

      var IsPropertyKey = require('./IsPropertyKey');

      var Type = require('./Type');

      // https://www.ecma-international.org/ecma-262/6.0/#sec-deletepropertyorthrow

      module.exports = function DeletePropertyOrThrow(O, P) {

      	if (Type(O) !== 'Object') {

      		throw new $TypeError('Assertion failed: Type(O) is not Object');

      	}

      	if (!IsPropertyKey(P)) {

      		throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');

      	}

      	// eslint-disable-next-line no-param-reassign

      	var success = delete O[P];

      	if (!success) {

      		throw new $TypeError('Attempt to delete property failed.');

      	}

      	return success;

      };

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				'use strict';

				var GetIntrinsic = require('../GetIntrinsic');

				var $TypeError = GetIntrinsic('%TypeError%');

				var IsPropertyKey = require('./IsPropertyKey');
				var Type = require('./Type');

				// https://www.ecma-international.org/ecma-262/6.0/#sec-deletepropertyorthrow

				module.exports = function DeletePropertyOrThrow(O, P) {
				if (Type(O) !== 'Object') {
				throw new $TypeError('Assertion failed: Type(O) is not Object');
				}

				if (!IsPropertyKey(P)) {
				throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
				}

				// eslint-disable-next-line no-param-reassign
				var success = delete O[P];
				if (!success) {
				throw new $TypeError('Attempt to delete property failed.');
				}
				return success;
				};