deno.land / x / lodash@4.17.19 / npm-package / _createCurry.js
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647var 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;
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