From 74c46f6e93cd9beedbb2a592cc74a67bdf018e69 Mon Sep 17 00:00:00 2001 From: John-David Dalton Date: Sat, 23 Mar 2013 23:46:40 -0700 Subject: [PATCH] Reduce the `lodash underscore` build. Former-commit-id: 2f928d053faf4b8e45d5ef26e2697c25426b7a90 --- build.js | 6 +++ dist/lodash.underscore.js | 83 ++++++----------------------------- dist/lodash.underscore.min.js | 57 ++++++++++++------------ 3 files changed, 47 insertions(+), 99 deletions(-) diff --git a/build.js b/build.js index ca3257d7f..9daeae5be 100755 --- a/build.js +++ b/build.js @@ -2426,6 +2426,11 @@ }); }); + // replace `slice` with `slice.call` + source = removeFunction(source, 'slice'); + source = source.replace(/^(( *)setTimeout = context.setTimeout)([,;])/m, '$1,\n$2slice = arrayRef.slice$3'); + source = source.replace(/([^.]\bslice)\(/g, '$1.call('); + // replace `lodash.createCallback` references with `createCallback` if (!exposeCreateCallback) { source = source.replace(/\blodash\.(createCallback\()\b/g, '$1'); @@ -2795,6 +2800,7 @@ source = removeVar(source, 'nativeIsArray'); } if (isRemoved(source, 'isPlainObject')) { + source = removeFunction(source, 'shimIsPlainObject'); source = removeVar(source, 'getPrototypeOf'); source = removeSupportOwnLast(source); } diff --git a/dist/lodash.underscore.js b/dist/lodash.underscore.js index ff4d7bf73..eb9133754 100644 --- a/dist/lodash.underscore.js +++ b/dist/lodash.underscore.js @@ -118,6 +118,7 @@ hasOwnProperty = objectRef.hasOwnProperty, push = arrayRef.push, setTimeout = window.setTimeout, + slice = arrayRef.slice, toString = objectRef.toString; /* Native method shortcuts for methods with the same name as other `lodash` methods */ @@ -353,7 +354,7 @@ } if (partialArgs.length) { args = args.length - ? (args = slice(args), rightIndicator ? args.concat(partialArgs) : partialArgs.concat(args)) + ? (args = slice.call(args), rightIndicator ? args.concat(partialArgs) : partialArgs.concat(args)) : partialArgs; } if (this instanceof bound) { @@ -430,36 +431,6 @@ // no operation performed } - /** - * A fallback implementation of `isPlainObject` that checks if a given `value` - * is an object created by the `Object` constructor, assuming objects created - * by the `Object` constructor have no inherited enumerable properties and that - * there are no `Object.prototype` extensions. - * - * @private - * @param {Mixed} value The value to check. - * @returns {Boolean} Returns `true`, if `value` is a plain object, else `false`. - */ - function shimIsPlainObject(value) { - // avoid non-objects and false positives for `arguments` objects - var result = false; - if (!(value && toString.call(value) == objectClass)) { - return result; - } - // check that the constructor is `Object` (i.e. `Object instanceof Object`) - var ctor = value.constructor; - if ((!isFunction(ctor)) || ctor instanceof ctor) { - // In most environments an object's own properties are iterated before - // its inherited properties. If the last iterated property is an object's - // own property then there are no inherited enumerable properties. - forIn(value, function(value, key) { - result = key; - }); - return result === false || hasOwnProperty.call(value, result); - } - return result; - } - /** * A fallback implementation of `Object.keys` that produces an array of the * given object's own enumerable property names. @@ -482,34 +453,6 @@ return result }; - /** - * Slices the `collection` from the `start` index up to, but not including, - * the `end` index. - * - * Note: This function is used, instead of `Array#slice`, to support node lists - * in IE < 9 and to ensure dense arrays are returned. - * - * @private - * @param {Array|Object|String} collection The collection to slice. - * @param {Number} start The start index. - * @param {Number} end The end index. - * @returns {Array} Returns the new array. - */ - function slice(array, start, end) { - start || (start = 0); - if (typeof end == 'undefined') { - end = array ? array.length : 0; - } - var index = -1, - length = end - start || 0, - result = Array(length < 0 ? 0 : length); - - while (++index < length) { - result[index] = array[start + index]; - } - return result; - } - /** * Used by `unescape` to convert HTML entities to characters. * @@ -701,7 +644,7 @@ */ function clone(value) { return isObject(value) - ? (isArray(value) ? slice(value) : assign({}, value)) + ? (isArray(value) ? slice.call(value) : assign({}, value)) : value } @@ -1833,7 +1776,7 @@ * // => [['1', '2', '3'], ['4', '5', '6']] */ function invoke(collection, methodName) { - var args = slice(arguments, 2), + var args = slice.call(arguments, 2), index = -1, isFunc = typeof methodName == 'function', length = collection ? collection.length : 0, @@ -2396,7 +2339,7 @@ */ function toArray(collection) { if (collection && typeof collection.length == 'number') { - return slice(collection); + return slice.call(collection); } return values(collection); } @@ -2565,7 +2508,7 @@ return array[0]; } } - return slice(array, 0, nativeMin(nativeMax(0, n), length)); + return slice.call(array, 0, nativeMin(nativeMax(0, n), length)); } } @@ -2740,7 +2683,7 @@ } else { n = (callback == null || thisArg) ? 1 : callback || n; } - return slice(array, 0, nativeMin(nativeMax(0, length - n), length)); + return slice.call(array, 0, nativeMin(nativeMax(0, length - n), length)); } /** @@ -2855,7 +2798,7 @@ return array[length - 1]; } } - return slice(array, nativeMax(0, length - n)); + return slice.call(array, nativeMax(0, length - n)); } } @@ -3012,7 +2955,7 @@ } else { n = (callback == null || thisArg) ? 1 : nativeMax(0, callback); } - return slice(array, n); + return slice.call(array, n); } /** @@ -3326,7 +3269,7 @@ // (in V8 `Function#bind` is slower except when partially applied) return support.fastBind || (nativeBind && arguments.length > 2) ? nativeBind.call.apply(nativeBind, arguments) - : createBound(func, thisArg, slice(arguments, 2)); + : createBound(func, thisArg, slice.call(arguments, 2)); } /** @@ -3551,7 +3494,7 @@ * // returns from the function before `alert` is called */ function defer(func) { - var args = slice(arguments, 1); + var args = slice.call(arguments, 1); return setTimeout(function() { func.apply(undefined, args); }, 1); } @@ -3573,7 +3516,7 @@ * // => 'logged later' (Appears after one second.) */ function delay(func, wait) { - var args = slice(arguments, 2); + var args = slice.call(arguments, 2); return setTimeout(function() { func.apply(undefined, args); }, wait); } @@ -3659,7 +3602,7 @@ * // => 'hi moe' */ function partial(func) { - return createBound(func, slice(arguments, 1)); + return createBound(func, slice.call(arguments, 1)); } /** diff --git a/dist/lodash.underscore.min.js b/dist/lodash.underscore.min.js index 2daf3df45..2f3f059d7 100644 --- a/dist/lodash.underscore.min.js +++ b/dist/lodash.underscore.min.js @@ -4,32 +4,31 @@ * Build: `lodash underscore exports="amd,commonjs,global,node" -o ./dist/lodash.underscore.js` * Underscore.js 1.4.4 underscorejs.org/LICENSE */ -;(function(n){function r(n){return n instanceof r?n:new i(n)}function t(n,r){var t=n.b,e=r.b;if(n=n.a,r=r.a,n!==r){if(n>r||typeof n=="undefined")return 1;if(nt?0:t);++ee&&(e=t,u=n) -});else for(;++ou&&(u=t);return u}function B(n,r){var t=-1,e=n?n.length:0;if(typeof e=="number")for(var u=Array(e);++targuments.length;r=P(r,e,4);var o=-1,i=n.length;if(typeof i=="number")for(u&&(t=n[++o]);++oarguments.length;if(typeof u!="number")var i=Rr(n),u=i.length;return r=P(r,e,4),E(n,function(e,f,a){f=i?i[--u]:--u,t=o?(o=!1,n[f]):r(t,n[f],f,a) -}),t}function k(n,r,t){var e;r=P(r,t),t=-1;var u=n?n.length:0;if(typeof u=="number")for(;++tt?Or(0,u+t):t||0)-1;else if(t)return e=I(n,r),n[e]===r?e:-1;for(;++e>>1,t(n[e])T(f,a))&&(t&&f.push(a),i.push(e))}return i}function C(n,r){return Br.fastBind||dr&&2"']/g,Y=/['\n\r\t\u2028\u2029\\]/g,Z="[object Arguments]",nr="[object Array]",rr="[object Boolean]",tr="[object Date]",er="[object Number]",ur="[object Object]",or="[object RegExp]",ir="[object String]",fr={"boolean":!1,"function":!0,object:!0,number:!1,string:!1,undefined:!1},ar={"\\":"\\","'":"'","\n":"n","\r":"r"," ":"t","\u2028":"u2028","\u2029":"u2029"},cr=[],H={},lr=n._,pr=RegExp("^"+(H.valueOf+"").replace(/[.*+?^${}()|[\]\\]/g,"\\$&").replace(/valueOf|for [^\]]+/g,".+?")+"$"),sr=Math.ceil,vr=n.clearTimeout,gr=cr.concat,hr=Math.floor,yr=H.hasOwnProperty,mr=cr.push,_r=n.setTimeout,br=H.toString,dr=pr.test(dr=a.bind)&&dr,jr=pr.test(jr=Array.isArray)&&jr,wr=n.isFinite,Ar=n.isNaN,xr=pr.test(xr=Object.keys)&&xr,Or=Math.max,Er=Math.min,Sr=Math.random,H=pr.test(n.attachEvent),Nr=dr&&!/\n|true/.test(dr+H),Br={}; 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