diff options
Diffstat (limited to 'node_modules/lodash/_createBind.js')
-rw-r--r-- | node_modules/lodash/_createBind.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/lodash/_createBind.js b/node_modules/lodash/_createBind.js new file mode 100644 index 0000000..07cb99f --- /dev/null +++ b/node_modules/lodash/_createBind.js @@ -0,0 +1,28 @@ +var createCtor = require('./_createCtor'), + root = require('./_root'); + +/** Used to compose bitmasks for function metadata. */ +var WRAP_BIND_FLAG = 1; + +/** + * Creates a function that wraps `func` to invoke it with the optional `this` + * binding of `thisArg`. + * + * @private + * @param {Function} func The function to wrap. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @param {*} [thisArg] The `this` binding of `func`. + * @returns {Function} Returns the new wrapped function. + */ +function createBind(func, bitmask, thisArg) { + var isBind = bitmask & WRAP_BIND_FLAG, + Ctor = createCtor(func); + + function wrapper() { + var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; + return fn.apply(isBind ? thisArg : this, arguments); + } + return wrapper; +} + +module.exports = createBind; |