diff options
Diffstat (limited to 'tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat')
4 files changed, 56 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/implement.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/implement.js new file mode 100644 index 0000000000..80c67cb4fa --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/implement.js @@ -0,0 +1,6 @@ +'use strict'; + +if (!require('./is-implemented')()) { + Object.defineProperty(Array.prototype, 'concat', { value: require('./shim'), + configurable: true, enumerable: false, writable: true }); +} diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/index.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/index.js new file mode 100644 index 0000000000..db205ea54a --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/index.js @@ -0,0 +1,4 @@ +'use strict'; + +module.exports = require('./is-implemented')() ? + Array.prototype.concat : require('./shim'); diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/is-implemented.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/is-implemented.js new file mode 100644 index 0000000000..cab8bc9e32 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/is-implemented.js @@ -0,0 +1,7 @@ +'use strict'; + +var SubArray = require('../../_sub-array-dummy-safe'); + +module.exports = function () { + return (new SubArray()).concat('foo') instanceof SubArray; +}; diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/shim.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/shim.js new file mode 100644 index 0000000000..8b28e4ae03 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/array/#/concat/shim.js @@ -0,0 +1,39 @@ +'use strict'; + +var isPlainArray = require('../../is-plain-array') + , toPosInt = require('../../../number/to-pos-integer') + , isObject = require('../../../object/is-object') + + , isArray = Array.isArray, concat = Array.prototype.concat + , forEach = Array.prototype.forEach + + , isSpreadable; + +isSpreadable = function (value) { + if (!value) return false; + if (!isObject(value)) return false; + if (value['@@isConcatSpreadable'] !== undefined) { + return Boolean(value['@@isConcatSpreadable']); + } + return isArray(value); +}; + +module.exports = function (item/*, …items*/) { + var result; + if (!this || !isArray(this) || isPlainArray(this)) { + return concat.apply(this, arguments); + } + result = new this.constructor(this.length); + forEach.call(this, function (val, i) { result[i] = val; }); + forEach.call(arguments, function (arg) { + var base; + if (isSpreadable(arg)) { + base = result.length; + result.length += toPosInt(arg.length); + forEach.call(arg, function (val, i) { result[base + i] = val; }); + return; + } + result.push(arg); + }); + return result; +}; |