basant307/AI_Governance_Project
045
1import baseSetData from './_baseSetData.js';2import createBind from './_createBind.js';3import createCurry from './_createCurry.js';4import createHybrid from './_createHybrid.js';5import createPartial from './_createPartial.js';6import getData from './_getData.js';7import mergeData from './_mergeData.js';8import setData from './_setData.js';9import setWrapToString from './_setWrapToString.js';10import toInteger from './toInteger.js';11 12/** Error message constants. */13var FUNC_ERROR_TEXT = 'Expected a function';14 15/** Used to compose bitmasks for function metadata. */16var WRAP_BIND_FLAG = 1,17 WRAP_BIND_KEY_FLAG = 2,18 WRAP_CURRY_FLAG = 8,19 WRAP_CURRY_RIGHT_FLAG = 16,20 WRAP_PARTIAL_FLAG = 32,21 WRAP_PARTIAL_RIGHT_FLAG = 64;22 23/* Built-in method references for those with the same name as other `lodash` methods. */24var nativeMax = Math.max;25 26/**27 * Creates a function that either curries or invokes `func` with optional28 * `this` binding and partially applied arguments.29 *30 * @private31 * @param {Function|string} func The function or method name to wrap.32 * @param {number} bitmask The bitmask flags.33 * 1 - `_.bind`34 * 2 - `_.bindKey`35 * 4 - `_.curry` or `_.curryRight` of a bound function36 * 8 - `_.curry`37 * 16 - `_.curryRight`38 * 32 - `_.partial`39 * 64 - `_.partialRight`40 * 128 - `_.rearg`41 * 256 - `_.ary`42 * 512 - `_.flip`43 * @param {*} [thisArg] The `this` binding of `func`.44 * @param {Array} [partials] The arguments to be partially applied.45 * @param {Array} [holders] The `partials` placeholder indexes.46 * @param {Array} [argPos] The argument positions of the new function.47 * @param {number} [ary] The arity cap of `func`.48 * @param {number} [arity] The arity of `func`.49 * @returns {Function} Returns the new wrapped function.50 */51function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {52 var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;53 if (!isBindKey && typeof func != 'function') {54 throw new TypeError(FUNC_ERROR_TEXT);55 }56 var length = partials ? partials.length : 0;57 if (!length) {58 bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);59 partials = holders = undefined;60 }61 ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);62 arity = arity === undefined ? arity : toInteger(arity);63 length -= holders ? holders.length : 0;64 65 if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {66 var partialsRight = partials,67 holdersRight = holders;68 69 partials = holders = undefined;70 }71 var data = isBindKey ? undefined : getData(func);72 73 var newData = [74 func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,75 argPos, ary, arity76 ];77 78 if (data) {79 mergeData(newData, data);80 }81 func = newData[0];82 bitmask = newData[1];83 thisArg = newData[2];84 partials = newData[3];85 holders = newData[4];86 arity = newData[9] = newData[9] === undefined87 ? (isBindKey ? 0 : func.length)88 : nativeMax(newData[9] - length, 0);89 90 if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {91 bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);92 }93 if (!bitmask || bitmask == WRAP_BIND_FLAG) {94 var result = createBind(func, bitmask, thisArg);95 } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {96 result = createCurry(func, bitmask, arity);97 } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {98 result = createPartial(func, bitmask, thisArg, partials);99 } else {100 result = createHybrid.apply(undefined, newData);101 }102 var setter = data ? baseSetData : setData;103 return setWrapToString(setter(result, newData), func, bitmask);104}105 106export default createWrap;107 