diff options
Diffstat (limited to 'tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2')
4 files changed, 32 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/implement.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/implement.js new file mode 100644 index 0000000000..8483f0950a --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/implement.js @@ -0,0 +1,6 @@ +'use strict'; + +if (!require('./is-implemented')()) { + Object.defineProperty(Math, 'log2', { 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/math/log2/index.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/index.js new file mode 100644 index 0000000000..87e9050abe --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/index.js @@ -0,0 +1,5 @@ +'use strict'; + +module.exports = require('./is-implemented')() + ? Math.log2 + : require('./shim'); diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/is-implemented.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/is-implemented.js new file mode 100644 index 0000000000..802322faf3 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/is-implemented.js @@ -0,0 +1,7 @@ +'use strict'; + +module.exports = function () { + var log2 = Math.log2; + if (typeof log2 !== 'function') return false; + return log2(3).toFixed(15) === '1.584962500721156'; +}; diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/shim.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/shim.js new file mode 100644 index 0000000000..cd80994a72 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/log2/shim.js @@ -0,0 +1,14 @@ +'use strict'; + +var log = Math.log, LOG2E = Math.LOG2E; + +module.exports = function (x) { + if (isNaN(x)) return NaN; + x = Number(x); + if (x < 0) return NaN; + if (x === 0) return -Infinity; + if (x === 1) return 0; + if (x === Infinity) return Infinity; + + return log(x) * LOG2E; +}; |