cafe-grader-web Files · node_modules/es5-ext/array/#/slice/shim.js

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                    node_modules/es5-ext/array/#/slice/shim.js
                
             | 36 lines
             | 1.0 KiB
             | application/javascript 
             | JavascriptLexer
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      "use strict";

      var toInteger         = require("../../../number/to-integer")

        , toPosInt          = require("../../../number/to-pos-integer")

        , isPlainArray      = require("../../is-plain-array")

        , isArray           = Array.isArray

        , slice             = Array.prototype.slice

        , objHasOwnProperty = Object.prototype.hasOwnProperty

        , max               = Math.max;

      module.exports = function (start, end) {

      	var length, result, i;

      	if (!this || !isArray(this) || isPlainArray(this)) {

      		return slice.apply(this, arguments);

      	}

      	length = toPosInt(this.length);

      	start = toInteger(start);

      	if (start < 0) start = max(length + start, 0);

      	else if (start > length) start = length;

      	if (end === undefined) {

      		end = length;

      	} else {

      		end = toInteger(end);

      		if (end < 0) end = max(length + end, 0);

      		else if (end > length) end = length;

      	}

      	if (start > end) start = end;

      	result = new this.constructor(end - start);

      	i = 0;

      	while (start !== end) {

      		if (objHasOwnProperty.call(this, start)) result[i] = this[start];

      		++i;

      		++start;

      	}

      	return result;

      };

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				"use strict";

				var toInteger = require("../../../number/to-integer")
				, toPosInt = require("../../../number/to-pos-integer")
				, isPlainArray = require("../../is-plain-array")
				, isArray = Array.isArray
				, slice = Array.prototype.slice
				, objHasOwnProperty = Object.prototype.hasOwnProperty
				, max = Math.max;

				module.exports = function (start, end) {
				var length, result, i;
				if (!this \|\| !isArray(this) \|\| isPlainArray(this)) {
				return slice.apply(this, arguments);
				}
				length = toPosInt(this.length);
				start = toInteger(start);
				if (start < 0) start = max(length + start, 0);
				else if (start > length) start = length;
				if (end === undefined) {
				end = length;
				} else {
				end = toInteger(end);
				if (end < 0) end = max(length + end, 0);
				else if (end > length) end = length;
				}
				if (start > end) start = end;
				result = new this.constructor(end - start);
				i = 0;
				while (start !== end) {
				if (objHasOwnProperty.call(this, start)) result[i] = this[start];
				++i;
				++start;
				}
				return result;
				};