mirror of
https://github.com/shivammathur/setup-php.git
synced 2024-11-23 04:11:06 +07:00
107 lines
3.6 KiB
JavaScript
107 lines
3.6 KiB
JavaScript
var baseSetData = require('./_baseSetData'),
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createBind = require('./_createBind'),
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createCurry = require('./_createCurry'),
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createHybrid = require('./_createHybrid'),
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createPartial = require('./_createPartial'),
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getData = require('./_getData'),
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mergeData = require('./_mergeData'),
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setData = require('./_setData'),
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setWrapToString = require('./_setWrapToString'),
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toInteger = require('./toInteger');
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/** Error message constants. */
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var FUNC_ERROR_TEXT = 'Expected a function';
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/** Used to compose bitmasks for function metadata. */
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var WRAP_BIND_FLAG = 1,
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WRAP_BIND_KEY_FLAG = 2,
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WRAP_CURRY_FLAG = 8,
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WRAP_CURRY_RIGHT_FLAG = 16,
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WRAP_PARTIAL_FLAG = 32,
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WRAP_PARTIAL_RIGHT_FLAG = 64;
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeMax = Math.max;
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/**
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* Creates a function that either curries or invokes `func` with optional
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* `this` binding and partially applied arguments.
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*
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* @private
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* @param {Function|string} func The function or method name to wrap.
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* @param {number} bitmask The bitmask flags.
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* 1 - `_.bind`
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* 2 - `_.bindKey`
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* 4 - `_.curry` or `_.curryRight` of a bound function
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* 8 - `_.curry`
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* 16 - `_.curryRight`
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* 32 - `_.partial`
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* 64 - `_.partialRight`
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* 128 - `_.rearg`
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* 256 - `_.ary`
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* 512 - `_.flip`
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* @param {*} [thisArg] The `this` binding of `func`.
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* @param {Array} [partials] The arguments to be partially applied.
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* @param {Array} [holders] The `partials` placeholder indexes.
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* @param {Array} [argPos] The argument positions of the new function.
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* @param {number} [ary] The arity cap of `func`.
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* @param {number} [arity] The arity of `func`.
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* @returns {Function} Returns the new wrapped function.
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*/
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function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
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var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
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if (!isBindKey && typeof func != 'function') {
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throw new TypeError(FUNC_ERROR_TEXT);
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}
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var length = partials ? partials.length : 0;
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if (!length) {
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bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
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partials = holders = undefined;
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}
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ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
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arity = arity === undefined ? arity : toInteger(arity);
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length -= holders ? holders.length : 0;
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if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
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var partialsRight = partials,
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holdersRight = holders;
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partials = holders = undefined;
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}
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var data = isBindKey ? undefined : getData(func);
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var newData = [
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func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
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argPos, ary, arity
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];
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if (data) {
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mergeData(newData, data);
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}
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func = newData[0];
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bitmask = newData[1];
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thisArg = newData[2];
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partials = newData[3];
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holders = newData[4];
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arity = newData[9] = newData[9] === undefined
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? (isBindKey ? 0 : func.length)
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: nativeMax(newData[9] - length, 0);
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if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
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bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
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}
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if (!bitmask || bitmask == WRAP_BIND_FLAG) {
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var result = createBind(func, bitmask, thisArg);
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} else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
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result = createCurry(func, bitmask, arity);
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} else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
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result = createPartial(func, bitmask, thisArg, partials);
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} else {
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result = createHybrid.apply(undefined, newData);
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}
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var setter = data ? baseSetData : setData;
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return setWrapToString(setter(result, newData), func, bitmask);
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}
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module.exports = createWrap;
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