X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=node_modules%2Funcss%2Fnode_modules%2Flodash%2Finternal%2FcreateFlow.js;fp=node_modules%2Funcss%2Fnode_modules%2Flodash%2Finternal%2FcreateFlow.js;h=3041f4a16a14b5ae5fb2fc674b59f3ec1853ff3c;hp=0000000000000000000000000000000000000000;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad diff --git a/node_modules/uncss/node_modules/lodash/internal/createFlow.js b/node_modules/uncss/node_modules/lodash/internal/createFlow.js new file mode 100644 index 000000000..3041f4a16 --- /dev/null +++ b/node_modules/uncss/node_modules/lodash/internal/createFlow.js @@ -0,0 +1,79 @@ +var LodashWrapper = require('./LodashWrapper'), + baseFlatten = require('./baseFlatten'), + getData = require('./getData'), + getFuncName = require('./getFuncName'), + isArray = require('../isArray'), + isLaziable = require('./isLaziable'), + rest = require('../rest'); + +/** Used to compose bitmasks for wrapper metadata. */ +var CURRY_FLAG = 8, + PARTIAL_FLAG = 32, + ARY_FLAG = 128, + REARG_FLAG = 256; + +/** Used as the size to enable large array optimizations. */ +var LARGE_ARRAY_SIZE = 200; + +/** Used as the `TypeError` message for "Functions" methods. */ +var FUNC_ERROR_TEXT = 'Expected a function'; + +/** + * Creates a `_.flow` or `_.flowRight` function. + * + * @private + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Function} Returns the new flow function. + */ +function createFlow(fromRight) { + return rest(function(funcs) { + funcs = baseFlatten(funcs); + + var length = funcs.length, + index = length, + prereq = LodashWrapper.prototype.thru; + + if (fromRight) { + funcs.reverse(); + } + while (index--) { + var func = funcs[index]; + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + if (prereq && !wrapper && getFuncName(func) == 'wrapper') { + var wrapper = new LodashWrapper([], true); + } + } + index = wrapper ? index : length; + while (++index < length) { + func = funcs[index]; + + var funcName = getFuncName(func), + data = funcName == 'wrapper' ? getData(func) : undefined; + + if (data && isLaziable(data[0]) && data[1] == (ARY_FLAG | CURRY_FLAG | PARTIAL_FLAG | REARG_FLAG) && !data[4].length && data[9] == 1) { + wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]); + } else { + wrapper = (func.length == 1 && isLaziable(func)) ? wrapper[funcName]() : wrapper.thru(func); + } + } + return function() { + var args = arguments, + value = args[0]; + + if (wrapper && args.length == 1 && isArray(value) && value.length >= LARGE_ARRAY_SIZE) { + return wrapper.plant(value).value(); + } + var index = 0, + result = length ? funcs[index].apply(this, args) : value; + + while (++index < length) { + result = funcs[index].call(this, result); + } + return result; + }; + }); +} + +module.exports = createFlow;