diff options
Diffstat (limited to 'tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within')
4 files changed, 57 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/implement.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/implement.js new file mode 100644 index 0000000000..eedbad77ee --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/implement.js @@ -0,0 +1,7 @@ +'use strict'; + +if (!require('./is-implemented')()) { + Object.defineProperty(Array.prototype, 'copyWithin', + { value: require('./shim'), configurable: true, enumerable: false, + writable: true }); +} diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/index.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/index.js new file mode 100644 index 0000000000..bb89d0b879 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/index.js @@ -0,0 +1,4 @@ +'use strict'; + +module.exports = require('./is-implemented')() ? + Array.prototype.copyWithin : require('./shim'); diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/is-implemented.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/is-implemented.js new file mode 100644 index 0000000000..8f17e06d81 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/is-implemented.js @@ -0,0 +1,7 @@ +'use strict'; + +module.exports = function () { + var arr = [1, 2, 3, 4, 5]; + if (typeof arr.copyWithin !== 'function') return false; + return String(arr.copyWithin(1, 3)) === '1,4,5,4,5'; +}; diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/shim.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/shim.js new file mode 100644 index 0000000000..c0bfb8b060 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/copy-within/shim.js @@ -0,0 +1,39 @@ +// Taken from: https://github.com/paulmillr/es6-shim/ + +'use strict'; + +var toInteger = require('../../../number/to-integer') + , toPosInt = require('../../../number/to-pos-integer') + , validValue = require('../../../object/valid-value') + + , hasOwnProperty = Object.prototype.hasOwnProperty + , max = Math.max, min = Math.min; + +module.exports = function (target, start/*, end*/) { + var o = validValue(this), end = arguments[2], l = toPosInt(o.length) + , to, from, fin, count, direction; + + target = toInteger(target); + start = toInteger(start); + end = (end === undefined) ? l : toInteger(end); + + to = target < 0 ? max(l + target, 0) : min(target, l); + from = start < 0 ? max(l + start, 0) : min(start, l); + fin = end < 0 ? max(l + end, 0) : min(end, l); + count = min(fin - from, l - to); + direction = 1; + + if ((from < to) && (to < (from + count))) { + direction = -1; + from += count - 1; + to += count - 1; + } + while (count > 0) { + if (hasOwnProperty.call(o, from)) o[to] = o[from]; + else delete o[from]; + from += direction; + to += direction; + count -= 1; + } + return o; +}; |