cafe-grader-web Files · node_modules/es-abstract/2019/FlattenIntoArray.js

cafe-grader-web

Location: cafe-grader-web/node_modules/es-abstract/2019/FlattenIntoArray.js - annotation

Commit Description:

submission report

Commit Description:

submission report

References:

r790:7ddf708c67bd default

File last commit:

r789:8cd7e8db7e38 default

Show/Diff file:

Action:

            
                    node_modules/es-abstract/2019/FlattenIntoArray.js
                
             | 58 lines
             | 1.7 KiB
             | application/javascript 
             | JavascriptLexer
             | 
      
            History
        
           Show Full History
         |
          Source
         | Raw
         |
              
              Download
              
     admin
  
move datatable to yarn

              r789
            
      'use strict';

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

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

      var MAX_SAFE_INTEGER = require('../helpers/maxSafeInteger');

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

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

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

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

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

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

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

      // https://ecma-international.org/ecma-262/10.0/#sec-flattenintoarray

      // eslint-disable-next-line max-params, max-statements

      module.exports = function FlattenIntoArray(target, source, sourceLen, start, depth) {

      	var mapperFunction;

      	if (arguments.length > 5) {

      		mapperFunction = arguments[5];

      	}

      	var targetIndex = start;

      	var sourceIndex = 0;

      	while (sourceIndex < sourceLen) {

      		var P = ToString(sourceIndex);

      		var exists = HasProperty(source, P);

      		if (exists === true) {

      			var element = Get(source, P);

      			if (typeof mapperFunction !== 'undefined') {

      				if (arguments.length <= 6) {

      					throw new $TypeError('Assertion failed: thisArg is required when mapperFunction is provided');

      				}

      				element = Call(mapperFunction, arguments[6], [element, sourceIndex, source]);

      			}

      			var shouldFlatten = false;

      			if (depth > 0) {

      				shouldFlatten = IsArray(element);

      			}

      			if (shouldFlatten) {

      				var elementLen = ToLength(Get(element, 'length'));

      				targetIndex = FlattenIntoArray(target, element, elementLen, targetIndex, depth - 1);

      			} else {

      				if (targetIndex >= MAX_SAFE_INTEGER) {

      					throw new $TypeError('index too large');

      				}

      				CreateDataPropertyOrThrow(target, ToString(targetIndex), element);

      				targetIndex += 1;

      			}

      		}

      		sourceIndex += 1;

      	}

      	return targetIndex;

      };

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository permissions settings

Sign in to your account

Last Author

admin move datatable to yarn	r789	'use strict';

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

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

		var MAX_SAFE_INTEGER = require('../helpers/maxSafeInteger');

		var Call = require('./Call');
		var CreateDataPropertyOrThrow = require('./CreateDataPropertyOrThrow');
		var Get = require('./Get');
		var HasProperty = require('./HasProperty');
		var IsArray = require('./IsArray');
		var ToLength = require('./ToLength');
		var ToString = require('./ToString');

		// https://ecma-international.org/ecma-262/10.0/#sec-flattenintoarray

		// eslint-disable-next-line max-params, max-statements
		module.exports = function FlattenIntoArray(target, source, sourceLen, start, depth) {
		var mapperFunction;
		if (arguments.length > 5) {
		mapperFunction = arguments[5];
		}

		var targetIndex = start;
		var sourceIndex = 0;
		while (sourceIndex < sourceLen) {
		var P = ToString(sourceIndex);
		var exists = HasProperty(source, P);
		if (exists === true) {
		var element = Get(source, P);
		if (typeof mapperFunction !== 'undefined') {
		if (arguments.length <= 6) {
		throw new $TypeError('Assertion failed: thisArg is required when mapperFunction is provided');
		}
		element = Call(mapperFunction, arguments[6], [element, sourceIndex, source]);
		}
		var shouldFlatten = false;
		if (depth > 0) {
		shouldFlatten = IsArray(element);
		}
		if (shouldFlatten) {
		var elementLen = ToLength(Get(element, 'length'));
		targetIndex = FlattenIntoArray(target, element, elementLen, targetIndex, depth - 1);
		} else {
		if (targetIndex >= MAX_SAFE_INTEGER) {
		throw new $TypeError('index too large');
		}
		CreateDataPropertyOrThrow(target, ToString(targetIndex), element);
		targetIndex += 1;
		}
		}
		sourceIndex += 1;
		}

		return targetIndex;
		};