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Diffstat (limited to 'node_modules/lodash/_createCurry.js')
-rw-r--r-- | node_modules/lodash/_createCurry.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/node_modules/lodash/_createCurry.js b/node_modules/lodash/_createCurry.js new file mode 100644 index 0000000..f06c2cd --- /dev/null +++ b/node_modules/lodash/_createCurry.js @@ -0,0 +1,46 @@ +var apply = require('./_apply'), + createCtor = require('./_createCtor'), + createHybrid = require('./_createHybrid'), + createRecurry = require('./_createRecurry'), + getHolder = require('./_getHolder'), + replaceHolders = require('./_replaceHolders'), + root = require('./_root'); + +/** + * Creates a function that wraps `func` to enable currying. + * + * @private + * @param {Function} func The function to wrap. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @param {number} arity The arity of `func`. + * @returns {Function} Returns the new wrapped function. + */ +function createCurry(func, bitmask, arity) { + var Ctor = createCtor(func); + + function wrapper() { + var length = arguments.length, + args = Array(length), + index = length, + placeholder = getHolder(wrapper); + + while (index--) { + args[index] = arguments[index]; + } + var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder) + ? [] + : replaceHolders(args, placeholder); + + length -= holders.length; + if (length < arity) { + return createRecurry( + func, bitmask, createHybrid, wrapper.placeholder, undefined, + args, holders, undefined, undefined, arity - length); + } + var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; + return apply(fn, this, args); + } + return wrapper; +} + +module.exports = createCurry; |