diff options
Diffstat (limited to 'tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/string/#/repeat/shim.js')
-rw-r--r-- | tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/string/#/repeat/shim.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/string/#/repeat/shim.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/string/#/repeat/shim.js new file mode 100644 index 0000000000..0a3928b2c0 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/string/#/repeat/shim.js @@ -0,0 +1,22 @@ +// Thanks: http://www.2ality.com/2014/01/efficient-string-repeat.html + +'use strict'; + +var value = require('../../../object/valid-value') + , toInteger = require('../../../number/to-integer'); + +module.exports = function (count) { + var str = String(value(this)), result; + count = toInteger(count); + if (count < 0) throw new RangeError("Count must be >= 0"); + if (!isFinite(count)) throw new RangeError("Count must be < ∞"); + result = ''; + if (!count) return result; + while (true) { + if (count & 1) result += str; + count >>>= 1; + if (count <= 0) break; + str += str; + } + return result; +}; |