mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-01 15:57:48 +00:00
Cleanup build.js and fix regression in minified build. [closes #19]
Former-commit-id: 3b455cb277fa8c3fc70efca7b54c6746cde2ea6b
This commit is contained in:
John-David Dalton
173
build.js
173
build.js
@@ -10,9 +10,6 @@
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var lodash = require(path.join(__dirname, 'lodash')),
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minify = require(path.join(__dirname, 'build', 'minify'));
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/** Flag used to specify a custom build */
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var isCustom = false;
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/** Shortcut used to convert array-like objects to arrays */
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var slice = [].slice;
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@@ -141,6 +138,23 @@
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'zip': ['max', 'pluck']
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};
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/** Names of methods to filter for the build */
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var filterMethods = Object.keys(dependencyMap);
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/** Used to specify if `filterMethods` should be used for exclusion or inclusion */
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var filterType = process.argv.reduce(function(result, value) {
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if (!result) {
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var pair = value.match(/^(exclude|include)=(.*)$/);
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if (pair) {
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filterMethods = lodash.intersection(filterMethods, pair[2].split(/, */).map(getRealName));
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return pair[1];
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}
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}
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}, '');
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/** Flag used to specify a mobile build */
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var isMobile = process.argv.indexOf('mobile') > -1;
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/*--------------------------------------------------------------------------*/
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/**
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@@ -344,22 +358,14 @@
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/*--------------------------------------------------------------------------*/
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// custom build
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process.argv.some(function(arg) {
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// exit early if not the "exclude" or "include" command option
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var pair = arg.match(/^(exclude|include)=(.*)$/);
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if (!pair) {
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return false;
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(function() {
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// exit early if "exclude" or "include" options aren't specified
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if (!filterType) {
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return;
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}
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var filterType = pair[1],
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filterNames = lodash.intersection(Object.keys(dependencyMap), pair[2].split(/, */).map(getRealName));
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// set custom build flag
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isCustom = true;
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// remove the specified functions and their dependants
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if (filterType == 'exclude') {
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filterNames.forEach(function(funcName) {
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filterMethods.forEach(function(funcName) {
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getDependants(funcName).concat(funcName).forEach(function(otherName) {
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source = removeFunction(source, otherName);
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});
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@@ -367,13 +373,13 @@
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}
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// else remove all but the specified functions and their dependencies
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else {
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filterNames = lodash.uniq(filterNames.reduce(function(result, funcName) {
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filterMethods = lodash.uniq(filterMethods.reduce(function(result, funcName) {
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result.push.apply(result, getDependencies(funcName).concat(funcName));
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return result;
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}, []));
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lodash.each(dependencyMap, function(dependencies, otherName) {
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if (filterNames.indexOf(otherName) < 0) {
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if (filterMethods.indexOf(otherName) < 0) {
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source = removeFunction(source, otherName);
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}
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});
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@@ -402,10 +408,22 @@
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if (isRemoved(source, 'bind', 'functions', 'groupBy', 'invoke', 'isEqual', 'isFunction', 'result', 'sortBy', 'toArray')) {
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source = removeVar(source, 'funcClass');
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}
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if (isRemoved(source, 'bind')) {
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source = removeVar(source, 'nativeBind');
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}
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if (isRemoved(source, 'isArray')) {
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source = removeVar(source, 'nativeIsArray');
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}
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if (isRemoved(source, 'keys')) {
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source = removeVar(source, 'nativeKeys');
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}
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if (isRemoved(source, 'clone', 'isObject', 'keys')) {
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source = removeVar(source, 'objectTypes');
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source = removeFromCreateIterator(source, 'objectTypes');
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}
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if (isRemoved(source, 'bind', 'isArray', 'keys')) {
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source = removeVar(source, 'reNative');
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}
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if (isRemoved(source, 'isEmpty', 'isEqual', 'isString', 'size')) {
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source = removeVar(source, 'stringClass');
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}
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@@ -414,71 +432,70 @@
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source = source.replace(/(?:\s*\/\*-+\*\/\s*){2,}/g, function(separators) {
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return separators.match(/^\s*/)[0] + separators.slice(separators.lastIndexOf('/*'));
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});
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return true;
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});
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/*--------------------------------------------------------------------------*/
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(function() {
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// for mobile builds
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if (process.argv.indexOf('mobile') > -1) {
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// set custom build flag
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isCustom = true;
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// inline functions defined with `createIterator`
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lodash.functions(lodash).forEach(function(funcName) {
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var reFunc = RegExp('( +var ' + funcName + ' *= *)((?:[a-zA-Z]+ *\\|\\| *)?)createIterator\\(((?:{|[a-zA-Z])[\\s\\S]+?)\\);\\n'),
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parts = source.match(reFunc);
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// skip if not defined with `createIterator`
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if (!parts) {
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return;
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}
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source = source.replace(reFunc,
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(funcName == 'keys'
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? '$1$2' + lodash._createIterator(Function('return ' + parts[3])())
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: '$1' + lodash[funcName]
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) + ';\n'
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);
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});
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// remove `iteratorTemplate`
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source = removeVar(source, 'iteratorTemplate');
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// remove JScript [[DontEnum]] fix from `isEqual`
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source = source.replace(/(?:\s*\/\/.*\n)*( +)if *\(result *&& *hasDontEnumBug[\s\S]+?\n\1}\n/, '\n');
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}
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// for normal builds
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else {
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// extract `iteratorTemplate` source
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var iteratorTemplateCode = /^function[^{]+{([\s\S]+?)}$/.exec(lodash._iteratorTemplate)[1];
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// remove whitespace and unnecessary code
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iteratorTemplateCode = removeWhitespace(iteratorTemplateCode)
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.replace(/\|\|\{\}|,__t,__j=Array.prototype.join|function print[^}]+}|\+''/g, '')
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.replace(/(\{);|;(\})/g, '$1$2')
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.replace(/\(\(__t=\(([^)]+)\)\)==null\?'':__t\)/g, '$1');
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// ensure escaped characters are interpreted correctly inside the `Function()` string
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iteratorTemplateCode = iteratorTemplateCode.replace(/\\/g, '\\\\');
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// add `iteratorTemplateCode` to `Function()` to avoid strict mode error
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// for using a with-statement
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iteratorTemplateCode = '$1Function(\'object\',\n$2 "' + iteratorTemplateCode + '"\n$2);\n';
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// replace `template()` with `Function()`
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source = source.replace(/(( +)var iteratorTemplate *= *)([\s\S]+?\n\2.+?);\n/, iteratorTemplateCode);
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}
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// remove pseudo private properties
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source = source.replace(/(?:\s*\/\/.*)*\s*lodash\._(?:createIterator|iteratorTemplate)\b.+\n/g, '\n');
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}());
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/*--------------------------------------------------------------------------*/
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if (isMobile) {
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// inline functions defined with `createIterator`
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lodash.functions(lodash).forEach(function(funcName) {
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var reFunc = RegExp('( +var ' + funcName + ' *= *)((?:[a-zA-Z]+ *\\|\\| *)?)createIterator\\(((?:{|[a-zA-Z])[\\s\\S]+?)\\);\\n'),
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parts = source.match(reFunc);
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// skip if not defined with `createIterator`
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if (!parts) {
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return;
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}
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// extract function's code
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var code = funcName == 'keys'
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? '$1$2' + lodash._createIterator(Function('return ' + parts[3])())
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: '$1' + lodash[funcName];
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// format code
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code = code.replace(/\n(?:.*)/g, function(match) {
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match = match.slice(1);
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return (match == '}' ? '\n ' : '\n ') + match;
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}) + ';\n';
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source = source.replace(reFunc, code);
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});
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// remove `iteratorTemplate`
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source = removeVar(source, 'iteratorTemplate');
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// remove JScript [[DontEnum]] fix from `isEqual`
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source = source.replace(/(?:\s*\/\/.*\n)*( +)if *\(result *&& *hasDontEnumBug[\s\S]+?\n\1}\n/, '\n');
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// remove IE `shift` and `splice` fix
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source = source.replace(/(?:\s*\/\/.*\n)*( +)if *\(value.length *=== *0[\s\S]+?\n\1}\n/, '\n');
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}
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else {
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// inline `iteratorTemplate` template
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source = source.replace(/(( +)var iteratorTemplate *= *)([\s\S]+?\n\2.+?);\n/, (function() {
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// extract `iteratorTemplate` code
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var code = /^function[^{]+{([\s\S]+?)}$/.exec(lodash._iteratorTemplate)[1];
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code = removeWhitespace(code)
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// remove unnecessary code
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.replace(/\|\|\{\}|,__t,__j=Array.prototype.join|function print[^}]+}|\+''/g, '')
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.replace(/(\{);|;(\})/g, '$1$2')
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.replace(/\(\(__t=\(([^)]+)\)\)==null\?'':__t\)/g, '$1')
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// ensure escaped characters are interpreted correctly in the string literal
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.replace(/\\/g, '\\\\');
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// add `code` to `Function()` as a string literal to avoid strict mode
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// errors caused by the required with-statement
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return '$1Function(\'obj\',\n$2 "' + code + '"\n$2);\n';
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}()));
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}
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// remove pseudo private properties
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source = source.replace(/(?:\s*\/\/.*)*\s*lodash\._(?:createIterator|iteratorTemplate)\b.+\n/g, '\n');
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/*--------------------------------------------------------------------------*/
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// begin the minification process
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if (isCustom) {
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if (filterType || isMobile) {
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fs.writeFileSync(path.join(__dirname, 'lodash.custom.js'), source);
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minify(source, 'lodash.custom.min', function(result) {
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fs.writeFileSync(path.join(__dirname, 'lodash.custom.min.js'), result);
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2
lodash.min.js
vendored
2
lodash.min.js
vendored
@@ -11,7 +11,7 @@ g.push(a[f]);return g}function v(a,c){function d(){var g=arguments,h=c;return f|
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)for(;g--&&(e=N(a[g],c[g],d)););}else{if("constructor"in a!="constructor"in c||a.constructor!=c.constructor)return q;for(var h in a)if(s.call(a,h)&&(g++,!(e=s.call(c,h)&&N(a[h],c[h],d))))break;if(e){for(h in c)if(s.call(c,h)&&!(g--))break;e=!g}if(e&&H)for(;7>++f&&(h=ca[f],!s.call(a,h)||!!(e=s.call(c,h)&&N(a[h],c[h],d))););}return d.pop(),e}function da(a){return a}function oa(a){C(P(a),function(c){var d=b[c]=a[c];p.prototype[c]=function(){var a=[this._wrapped];return arguments.length&&L.apply(a,arguments
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),a=1==a.length?d.call(b,a[0]):d.apply(b,a),this._chain&&(a=new p(a),a._chain=m),a}})}var m=!0,o=null,q=!1,X="object"==typeof exports&&exports&&("object"==typeof global&&global&&global==global.global&&(u=global),exports),va={"\\":"\\","'":"'","\n":"n","\r":"r"," ":"t","\u2028":"u2028","\u2029":"u2029"},H=!{valueOf:0}.propertyIsEnumerable("valueOf"),za=0,J={"boolean":q,"function":m,object:m,number:q,string:q,"undefined":q},Aa=u._,z=RegExp("^"+({}.valueOf+"").replace(/[.*+?^=!:${}()|[\]\/\\]/g,"\\$&"
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).replace(/valueOf|for [^\]]+/g,".+?")+"$"),Ba=/__token__(\d+)/g,Ca=/['\n\r\t\u2028\u2029\\]/g,ca="constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" "),T="__token__",w=[],I="[object Array]",la="[object Boolean]",ma="[object Date]",r="[object Function]",O="[object Number]",na="[object RegExp]",K="[object String]",A=Array.prototype,D=Object.prototype,M=A.concat,s=D.hasOwnProperty,L=A.push,l=A.slice,i=D.toString,y=z.test(y=l.bind)&&/\n|Opera/.test
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(y+i.call(u.opera))&&y,E=z.test(E=Array.isArray)&&E,Da=u.isFinite,Y=z.test(Y=Object.keys)&&Y,Ea=u.clearTimeout,Q=u.setTimeout;b.templateSettings={escape:/<%-([\s\S]+?)%>/g,evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g,variable:"obj"};var sa=Function("n","var __p;with(obj){__p='var l,r';if(k){__p+='='+k};__p+=';'+f+';'+q+';';if(c){__p+='var m='+g+'.length;l=-1;';if(o){__p+='if(m===+m){'};__p+=''+c['d']+';while('+c['m']+'){'+c['j']+'}';if(o){__p+='}'}}if(o){if(c){__p+='else{'}if(!i){__p+='var s=typeof '+l+'==\\'function\\';'};__p+=''+o['d']+';for('+o['m']+'){';if(i){if(r){__p+='if('+h+'){'};__p+=''+o['j']+';';if(r){__p+='}'}}else{__p+='if(!(s&&l==\\'prototype\\')';if(r){__p+='&&'+h};__p+='){'+o['j']+'}'};__p+='}';if(i){__p+='var g='+l+'.constructor;';for(var k=0;k<7;k++){__p+='l=\\''+p[k]+'\\';if(';if(p[k]=='constructor'){__p+='!(g&&g.prototype==='+l+')&&'};__p+=''+h+'){'+o['j']+'}'}}if(c){__p+='}'}};__p+=''+e+';return r'}return __p"
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(y+i.call(u.opera))&&y,E=z.test(E=Array.isArray)&&E,Da=u.isFinite,Y=z.test(Y=Object.keys)&&Y,Ea=u.clearTimeout,Q=u.setTimeout;b.templateSettings={escape:/<%-([\s\S]+?)%>/g,evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g,variable:"obj"};var sa=Function("obj","var __p;with(obj){__p='var l,r';if(k){__p+='='+k};__p+=';'+f+';'+q+';';if(c){__p+='var m='+g+'.length;l=-1;';if(o){__p+='if(m===+m){'};__p+=''+c['d']+';while('+c['m']+'){'+c['j']+'}';if(o){__p+='}'}}if(o){if(c){__p+='else{'}if(!i){__p+='var s=typeof '+l+'==\\'function\\';'};__p+=''+o['d']+';for('+o['m']+'){';if(i){if(r){__p+='if('+h+'){'};__p+=''+o['j']+';';if(r){__p+='}'}}else{__p+='if(!(s&&l==\\'prototype\\')';if(r){__p+='&&'+h};__p+='){'+o['j']+'}'};__p+='}';if(i){__p+='var g='+l+'.constructor;';for(var k=0;k<7;k++){__p+='l=\\''+p[k]+'\\';if(';if(p[k]=='constructor'){__p+='!(g&&g.prototype==='+l+')&&'};__p+=''+h+'){'+o['j']+'}'}}if(c){__p+='}'}};__p+=''+e+';return r'}return __p"
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),t={a:"f,d,x",k:"f",q:"if(!d){d=k}else if(x){d=c(d,x)}",j:"d(f[l],l,f)"},Z={k:"z",j:"if(!d(f[l],l,f))return!r"},$={a:"n",k:"n",q:"for(var t,u=1,m=arguments.length;u<m;u++){t=arguments[u];"+(H?"if(t){":""),m:"l in t",r:q,j:"n[l]=t[l]",e:(H?"}":"")+"}"},F={k:"[]",j:"d(f[l],l,f)&&r.push(f[l])"},B={q:"if(x)d=c(d,x)"},G={k:"",f:"if(!f)return[]",d:{b:"r=Array(m)",n:"r=[]"},j:{b:"r[l]=d(f[l],l,f)",n:"r.push(d(f[l],l,f))"}},z=k({a:"f,w",k:"h",j:"if(f[l]===w)return z"}),aa=k(t,Z),D=k(t,F),pa=k(t,B,{k:"",
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j:"if(d(f[l],l,f))return f[l]"}),C=k(t,B),ba=k(t,G),R=k(G,{a:"f,q",j:{b:"r[l]=f[l][q]",n:"r.push(f[l][q])"}}),B=k({a:"f,d,a,x",k:"a",q:"var p=arguments.length<3;if(x)d=c(d,x)",d:{b:"if(p)r=f[++l]"},j:{b:"r=d(r,f[l],l,f)",n:"r=p?(p=h,f[l]):d(r,f[l],l,f)"}}),F=k(t,F,{j:"!"+F.j}),t=k(t,Z,{k:"h",j:Z.j.replace("!","")}),qa=k(G,{a:"f",j:{b:"r[l]=f[l]",n:"r.push(f[l])"}}),G=k($,{j:"if(n[l]==A)"+$.j}),ra=k($),P=k({a:"n",k:"[]",r:q,j:"if(y.call(n[l])==i)r.push(l)",e:"r.sort()"});S(arguments)||(S=function(
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a){return!!a&&!!s.call(a,"callee")});var W=E||function(a){return i.call(a)==I},E=k({a:"B",k:"z",q:"var e=y.call(B);if(e==b||e==v)return!B.length",j:{n:"return h"}}),U=Y||k({a:"n",f:"if(!o[typeof n]||n===null)throw TypeError()",k:"[]",j:"r.push(l)"});b.VERSION="0.2.1",b.after=function(a,c){return 1>a?c():function(){if(1>--a)return c.apply(this,arguments)}},b.bind=v,b.bindAll=function(a){var c=arguments,d=1;1==c.length&&(d=0,c=P(a));for(var b=c.length;d<b;d++)a[c[d]]=v(a[c[d]],a);return a},b.chain=
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