cafe-grader-web Files · node_modules/core-js/modules/es6.array.from.js

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Location: cafe-grader-web/node_modules/core-js/modules/es6.array.from.js - annotation

Commit Description:

merge

Commit Description:

merge

References:

r841:19cce9abf4b7 algo

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r789:8cd7e8db7e38 default

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                    node_modules/core-js/modules/es6.array.from.js
                
             | 37 lines
             | 1.6 KiB
             | application/javascript 
             | JavascriptLexer
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     admin
  
move datatable to yarn

              r789
            
      'use strict';

      var ctx = require('./_ctx');

      var $export = require('./_export');

      var toObject = require('./_to-object');

      var call = require('./_iter-call');

      var isArrayIter = require('./_is-array-iter');

      var toLength = require('./_to-length');

      var createProperty = require('./_create-property');

      var getIterFn = require('./core.get-iterator-method');

      $export($export.S + $export.F * !require('./_iter-detect')(function (iter) { Array.from(iter); }), 'Array', {

        // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)

        from: function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {

          var O = toObject(arrayLike);

          var C = typeof this == 'function' ? this : Array;

          var aLen = arguments.length;

          var mapfn = aLen > 1 ? arguments[1] : undefined;

          var mapping = mapfn !== undefined;

          var index = 0;

          var iterFn = getIterFn(O);

          var length, result, step, iterator;

          if (mapping) mapfn = ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);

          // if object isn't iterable or it's array with default iterator - use simple case

          if (iterFn != undefined && !(C == Array && isArrayIter(iterFn))) {

            for (iterator = iterFn.call(O), result = new C(); !(step = iterator.next()).done; index++) {

              createProperty(result, index, mapping ? call(iterator, mapfn, [step.value, index], true) : step.value);

            }

          } else {

            length = toLength(O.length);

            for (result = new C(length); length > index; index++) {

              createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);

            }

          }

          result.length = index;

          return result;

        }

      });

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Last Author

admin move datatable to yarn	r789	'use strict';
		var ctx = require('./_ctx');
		var $export = require('./_export');
		var toObject = require('./_to-object');
		var call = require('./_iter-call');
		var isArrayIter = require('./_is-array-iter');
		var toLength = require('./_to-length');
		var createProperty = require('./_create-property');
		var getIterFn = require('./core.get-iterator-method');

		$export($export.S + $export.F * !require('./_iter-detect')(function (iter) { Array.from(iter); }), 'Array', {
		// 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
		from: function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
		var O = toObject(arrayLike);
		var C = typeof this == 'function' ? this : Array;
		var aLen = arguments.length;
		var mapfn = aLen > 1 ? arguments[1] : undefined;
		var mapping = mapfn !== undefined;
		var index = 0;
		var iterFn = getIterFn(O);
		var length, result, step, iterator;
		if (mapping) mapfn = ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);
		// if object isn't iterable or it's array with default iterator - use simple case
		if (iterFn != undefined && !(C == Array && isArrayIter(iterFn))) {
		for (iterator = iterFn.call(O), result = new C(); !(step = iterator.next()).done; index++) {
		createProperty(result, index, mapping ? call(iterator, mapfn, [step.value, index], true) : step.value);
		}
		} else {
		length = toLength(O.length);
		for (result = new C(length); length > index; index++) {
		createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);
		}
		}
		result.length = index;
		return result;
		}
		});