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- var apply = require('./_apply'),
- createCtor = require('./_createCtor'),
- root = require('./_root');
- var WRAP_BIND_FLAG = 1;
- function createPartial(func, bitmask, thisArg, partials) {
- var isBind = bitmask & WRAP_BIND_FLAG,
- Ctor = createCtor(func);
- function wrapper() {
- var argsIndex = -1,
- argsLength = arguments.length,
- leftIndex = -1,
- leftLength = partials.length,
- args = Array(leftLength + argsLength),
- fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
- while (++leftIndex < leftLength) {
- args[leftIndex] = partials[leftIndex];
- }
- while (argsLength--) {
- args[leftIndex++] = arguments[++argsIndex];
- }
- return apply(fn, isBind ? thisArg : this, args);
- }
- return wrapper;
- }
- module.exports = createPartial;
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