X-Git-Url: http://www.aleph1.co.uk/gitweb/?a=blobdiff_plain;ds=sidebyside;f=node_modules%2Fgrunt-legacy-log%2Fnode_modules%2Flodash%2Finternal%2FcreateWrapper.js;fp=node_modules%2Fgrunt-legacy-log%2Fnode_modules%2Flodash%2Finternal%2FcreateWrapper.js;h=ea7a9b1905ac0e0c7fa847b1b18905a2925ec4a8;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hp=0000000000000000000000000000000000000000;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad;p=yaffs-website diff --git a/node_modules/grunt-legacy-log/node_modules/lodash/internal/createWrapper.js b/node_modules/grunt-legacy-log/node_modules/lodash/internal/createWrapper.js new file mode 100644 index 000000000..ea7a9b190 --- /dev/null +++ b/node_modules/grunt-legacy-log/node_modules/lodash/internal/createWrapper.js @@ -0,0 +1,86 @@ +var baseSetData = require('./baseSetData'), + createBindWrapper = require('./createBindWrapper'), + createHybridWrapper = require('./createHybridWrapper'), + createPartialWrapper = require('./createPartialWrapper'), + getData = require('./getData'), + mergeData = require('./mergeData'), + setData = require('./setData'); + +/** Used to compose bitmasks for wrapper metadata. */ +var BIND_FLAG = 1, + BIND_KEY_FLAG = 2, + PARTIAL_FLAG = 32, + PARTIAL_RIGHT_FLAG = 64; + +/** Used as the `TypeError` message for "Functions" methods. */ +var FUNC_ERROR_TEXT = 'Expected a function'; + +/* Native method references for those with the same name as other `lodash` methods. */ +var nativeMax = Math.max; + +/** + * Creates a function that either curries or invokes `func` with optional + * `this` binding and partially applied arguments. + * + * @private + * @param {Function|string} func The function or method name to reference. + * @param {number} bitmask The bitmask of flags. + * The bitmask may be composed of the following flags: + * 1 - `_.bind` + * 2 - `_.bindKey` + * 4 - `_.curry` or `_.curryRight` of a bound function + * 8 - `_.curry` + * 16 - `_.curryRight` + * 32 - `_.partial` + * 64 - `_.partialRight` + * 128 - `_.rearg` + * 256 - `_.ary` + * @param {*} [thisArg] The `this` binding of `func`. + * @param {Array} [partials] The arguments to be partially applied. + * @param {Array} [holders] The `partials` placeholder indexes. + * @param {Array} [argPos] The argument positions of the new function. + * @param {number} [ary] The arity cap of `func`. + * @param {number} [arity] The arity of `func`. + * @returns {Function} Returns the new wrapped function. + */ +function createWrapper(func, bitmask, thisArg, partials, holders, argPos, ary, arity) { + var isBindKey = bitmask & BIND_KEY_FLAG; + if (!isBindKey && typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + var length = partials ? partials.length : 0; + if (!length) { + bitmask &= ~(PARTIAL_FLAG | PARTIAL_RIGHT_FLAG); + partials = holders = undefined; + } + length -= (holders ? holders.length : 0); + if (bitmask & PARTIAL_RIGHT_FLAG) { + var partialsRight = partials, + holdersRight = holders; + + partials = holders = undefined; + } + var data = isBindKey ? undefined : getData(func), + newData = [func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity]; + + if (data) { + mergeData(newData, data); + bitmask = newData[1]; + arity = newData[9]; + } + newData[9] = arity == null + ? (isBindKey ? 0 : func.length) + : (nativeMax(arity - length, 0) || 0); + + if (bitmask == BIND_FLAG) { + var result = createBindWrapper(newData[0], newData[2]); + } else if ((bitmask == PARTIAL_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) && !newData[4].length) { + result = createPartialWrapper.apply(undefined, newData); + } else { + result = createHybridWrapper.apply(undefined, newData); + } + var setter = data ? baseSetData : setData; + return setter(result, newData); +} + +module.exports = createWrapper;