diff options
Diffstat (limited to 'tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround')
4 files changed, 51 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/implement.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/implement.js new file mode 100644 index 0000000000..c55b26c464 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/implement.js @@ -0,0 +1,6 @@ +'use strict'; + +if (!require('./is-implemented')()) { + Object.defineProperty(Math, 'fround', { 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/math/fround/index.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/index.js new file mode 100644 index 0000000000..a077ed0ba3 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/index.js @@ -0,0 +1,5 @@ +'use strict'; + +module.exports = require('./is-implemented')() + ? Math.fround + : require('./shim'); diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/is-implemented.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/is-implemented.js new file mode 100644 index 0000000000..ffbf094e6b --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/is-implemented.js @@ -0,0 +1,7 @@ +'use strict'; + +module.exports = function () { + var fround = Math.fround; + if (typeof fround !== 'function') return false; + return fround(1.337) === 1.3370000123977661; +}; diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/shim.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/shim.js new file mode 100644 index 0000000000..f2c86e46a4 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/math/fround/shim.js @@ -0,0 +1,33 @@ +// Credit: https://github.com/paulmillr/es6-shim/blob/master/es6-shim.js + +'use strict'; + +var toFloat32; + +if (typeof Float32Array !== 'undefined') { + toFloat32 = (function () { + var float32Array = new Float32Array(1); + return function (x) { + float32Array[0] = x; + return float32Array[0]; + }; + }()); +} else { + toFloat32 = (function () { + var pack = require('../_pack-ieee754') + , unpack = require('../_unpack-ieee754'); + + return function (x) { + return unpack(pack(x, 8, 23), 8, 23); + }; + }()); +} + +module.exports = function (x) { + if (isNaN(x)) return NaN; + x = Number(x); + if (x === 0) return x; + if (!isFinite(x)) return x; + + return toFloat32(x); +}; |