source: trip-planner-front/node_modules/lodash/_createRecurry.js@ 6fe77af

Last change on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.1 KB
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1var isLaziable = require('./_isLaziable'),
2 setData = require('./_setData'),
3 setWrapToString = require('./_setWrapToString');
4
5/** Used to compose bitmasks for function metadata. */
6var WRAP_BIND_FLAG = 1,
7 WRAP_BIND_KEY_FLAG = 2,
8 WRAP_CURRY_BOUND_FLAG = 4,
9 WRAP_CURRY_FLAG = 8,
10 WRAP_PARTIAL_FLAG = 32,
11 WRAP_PARTIAL_RIGHT_FLAG = 64;
12
13/**
14 * Creates a function that wraps `func` to continue currying.
15 *
16 * @private
17 * @param {Function} func The function to wrap.
18 * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
19 * @param {Function} wrapFunc The function to create the `func` wrapper.
20 * @param {*} placeholder The placeholder value.
21 * @param {*} [thisArg] The `this` binding of `func`.
22 * @param {Array} [partials] The arguments to prepend to those provided to
23 * the new function.
24 * @param {Array} [holders] The `partials` placeholder indexes.
25 * @param {Array} [argPos] The argument positions of the new function.
26 * @param {number} [ary] The arity cap of `func`.
27 * @param {number} [arity] The arity of `func`.
28 * @returns {Function} Returns the new wrapped function.
29 */
30function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
31 var isCurry = bitmask & WRAP_CURRY_FLAG,
32 newHolders = isCurry ? holders : undefined,
33 newHoldersRight = isCurry ? undefined : holders,
34 newPartials = isCurry ? partials : undefined,
35 newPartialsRight = isCurry ? undefined : partials;
36
37 bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
38 bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
39
40 if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
41 bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
42 }
43 var newData = [
44 func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
45 newHoldersRight, argPos, ary, arity
46 ];
47
48 var result = wrapFunc.apply(undefined, newData);
49 if (isLaziable(func)) {
50 setData(result, newData);
51 }
52 result.placeholder = placeholder;
53 return setWrapToString(result, func, bitmask);
54}
55
56module.exports = createRecurry;
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