mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-01-31 15:27:50 +00:00
Reduce the snippet returned from getMethodAssignments and avoid a possible infinite loop when removing dead vars.
Former-commit-id: 06b49c9ecdf0b279f7d81274d82a813488e9dd26
This commit is contained in:
John-David Dalton
239
build.js
239
build.js
@@ -512,10 +512,10 @@
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source = source.replace(getMethodAssignments(source), function(match) {
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var indent = /^ *(?=lodash\.)/m.exec(match)[0];
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return match + [
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'',
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'',
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'// add functions to `lodash.prototype`',
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'mixin(lodash);'
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'mixin(lodash);',
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''
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].join('\n' + indent);
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});
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@@ -543,8 +543,9 @@
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}
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// add quotes to commands with spaces or equals signs
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commands = _.map(commands, function(command) {
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var separator = (command.match(/[= ]/) || [''])[0];
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var separator = command.match(/[= ]/);
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if (separator) {
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separator = separator[0];
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var pair = command.split(separator);
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command = pair[0] + separator + '"' + pair[1] + '"';
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}
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@@ -691,7 +692,7 @@
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return separators.match(/^\s*/)[0] + separators.slice(separators.lastIndexOf('/*'));
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})
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// remove unneeded horizontal rule comment separators
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.replace(/(\{\n)\s*\/\*-+\*\/\n/g, '$1');
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.replace(/(\{\n)\s*\/\*-+\*\/\n|\n *\/\*-+\*\/\n(\s*\})/gm, '$1$2');
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}
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/**
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@@ -891,7 +892,8 @@
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* @returns {String} Returns the `isArguments` fallback.
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*/
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function getIsArgumentsFallback(source) {
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return (source.match(/(?:\s*\/\/.*)*\n( *)if *\((?:!support\.argsClass|!isArguments)[\s\S]+?\n *};\n\1}/) || [''])[0];
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var result = source.match(/(?:\s*\/\/.*)*\n( *)if *\((?:!support\.argsClass|!isArguments)[\s\S]+?\n *};\n\1}/);
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return result ? result[0] : '';
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}
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/**
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@@ -915,7 +917,8 @@
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* @returns {String} Returns the `isFunction` fallback.
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*/
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function getIsFunctionFallback(source) {
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return (source.match(/(?:\s*\/\/.*)*\n( *)if *\(isFunction\(\/x\/[\s\S]+?\n *};\n\1}/) || [''])[0];
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var result = source.match(/(?:\s*\/\/.*)*\n( *)if *\(isFunction\(\/x\/[\s\S]+?\n *};\n\1}/);
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return result ? result[0] : '';
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}
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/**
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@@ -926,7 +929,8 @@
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* @returns {String} Returns the `isArguments` fallback.
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*/
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function getCreateObjectFallback(source) {
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return (source.match(/(?:\s*\/\/.*)*\n( *)if *\((?:!nativeCreate)[\s\S]+?\n *};\n\1}/) || [''])[0];
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var result = source.match(/(?:\s*\/\/.*)*\n( *)if *\((?:!nativeCreate)[\s\S]+?\n *};\n\1}/);
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return result ? result[0] : '';
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}
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/**
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@@ -937,7 +941,8 @@
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* @returns {String} Returns the `iteratorTemplate`.
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*/
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function getIteratorTemplate(source) {
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return (source.match(/^( *)var iteratorTemplate *= *[\s\S]+?\n\1.+?;\n/m) || [''])[0];
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var result = source.match(/^( *)var iteratorTemplate *= *[\s\S]+?\n\1.+?;\n/m);
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return result ? result[0] : '';
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}
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/**
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@@ -948,7 +953,13 @@
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* @returns {String} Returns the method assignments snippet.
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*/
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function getMethodAssignments(source) {
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return (source.match(/\/\*-+\*\/\n(?:\s*\/\/.*)*\s*lodash\.\w+ *=[\s\S]+?lodash\.VERSION *=.+/) || [''])[0];
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var result = source.match(RegExp(
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'/\\*-+\\*/\\n' +
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'(?:\\s*//.*)*\\s*lodash\\.\\w+ *=[\\s\\S]+?\\n' +
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'(?=\\s*/\\*-+\\*/\\n\\s*' + multilineComment + ' *lodash\\.VERSION *=)'
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));
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return result ? result[0] : '';
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}
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/**
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@@ -980,6 +991,22 @@
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) || methodName;
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}
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/**
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* Gets the `support` object assignment snippet from `source`.
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*
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* @private
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* @param {String} source The source to inspect.
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* @returns {String} Returns the `support` snippet.
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*/
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function getSupport(source) {
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var result = source.match(RegExp(
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multilineComment +
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'( *)var support *=[\\s\\S]+?\n\\1}\\(1\\)\\);\\n'
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, 'm'));
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return result ? result[0] : '';
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}
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/**
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* Creates a sorted array of all variables defined outside of Lo-Dash methods.
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*
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@@ -1293,7 +1320,6 @@
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return source;
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}
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/**
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* Removes the `Object.keys` object iteration optimization from `source`.
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*
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@@ -1332,18 +1358,64 @@
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}
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/**
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* Removes all `support.argsObject` references from `source`.
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* Removes all `runInContext` references from `source`.
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*
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* @private
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* @param {String} source The source to process.
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* @returns {String} Returns the modified source.
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*/
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function removeSupportArgsObject(source) {
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source = removeSupportProp(source, 'argsObject');
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function removeRunInContext(source) {
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// replace reference in `reThis` assignment
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source = source.replace(/\btest\(runInContext\)/, 'test(function() { return this; })');
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// remove `argsAreObjects` from `_.isEqual`
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source = source.replace(matchFunction(source, 'isEqual'), function(match) {
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return match.replace(/!support.\argsObject[^:]+:\s*/g, '');
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// remove function scaffolding, leaving most of its content
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source = source.replace(matchFunction(source, 'runInContext'), function(match) {
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return match
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.replace(/^[\s\S]+?function runInContext[\s\S]+?context *= *context.+| *return lodash[\s\S]+$/g, '')
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.replace(/^ {4}/gm, ' ');
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});
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// cleanup adjusted source
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source = source
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.replace(/\bcontext\b/g, 'window')
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.replace(/(?:\n +\/\*[^*]*\*+(?:[^\/][^*]*\*+)*\/)?\n *var Array *=[\s\S]+?;\n/, '')
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.replace(/(return *|= *)_([;)])/g, '$1lodash$2')
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.replace(/^ *var _ *=.+\n+/m, '');
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return source;
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}
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/**
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* Removes all `setImmediate` references from `source`.
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*
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* @private
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* @param {String} source The source to process.
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* @returns {String} Returns the modified source.
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*/
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function removeSetImmediate(source) {
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// remove the `setImmediate` fork of `_.defer`.
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source = source.replace(/(?:\s*\/\/.*)*\n( *)if *\(isV8 *&& *freeModule[\s\S]+?\n\1}/, '');
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return source;
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}
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/**
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* Removes all `support` object references from `source`.
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*
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* @private
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* @param {String} source The source to process.
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* @returns {String} Returns the modified source.
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*/
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function removeSupport(source) {
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source = source.replace(getSupport(source), '');
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_.each([
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removeSupportArgsClass, removeSupportArgsObject, removeSupportEnumErrorProps,
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removeSupportEnumPrototypes, removeSupportNodeClass, removeSupportNonEnumArgs,
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removeSupportNonEnumShadows, removeSupportOwnLast, removeSupportSpliceObjects,
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removeSupportUnindexedChars
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], function(func) {
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source = func(source);
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});
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return source;
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@@ -1379,6 +1451,24 @@
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return source;
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}
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/**
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* Removes all `support.argsObject` references from `source`.
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*
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* @private
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* @param {String} source The source to process.
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* @returns {String} Returns the modified source.
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*/
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function removeSupportArgsObject(source) {
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source = removeSupportProp(source, 'argsObject');
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// remove `argsAreObjects` from `_.isEqual`
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source = source.replace(matchFunction(source, 'isEqual'), function(match) {
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return match.replace(/!support.\argsObject[^:]+:\s*/g, '');
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});
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return source;
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}
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/**
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* Removes all `support.enumErrorProps` references from `source`.
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*
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@@ -1399,7 +1489,6 @@
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return source;
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}
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/**
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* Removes all `support.enumPrototypes` references from `source`.
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*
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@@ -1572,48 +1661,6 @@
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return source;
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}
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/**
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* Removes all `runInContext` references from `source`.
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*
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* @private
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* @param {String} source The source to process.
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* @returns {String} Returns the modified source.
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*/
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function removeRunInContext(source) {
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// replace reference in `reThis` assignment
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source = source.replace(/\btest\(runInContext\)/, 'test(function() { return this; })');
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// remove function scaffolding, leaving most of its content
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source = source.replace(matchFunction(source, 'runInContext'), function(match) {
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return match
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.replace(/^[\s\S]+?function runInContext[\s\S]+?context *= *context.+| *return lodash[\s\S]+$/g, '')
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.replace(/^ {4}/gm, ' ');
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});
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// cleanup adjusted source
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source = source
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.replace(/\bcontext\b/g, 'window')
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.replace(/(?:\n +\/\*[^*]*\*+(?:[^\/][^*]*\*+)*\/)?\n *var Array *=[\s\S]+?;\n/, '')
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.replace(/(return *|= *)_([;)])/g, '$1lodash$2')
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.replace(/^ *var _ *=.+\n+/m, '');
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return source;
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}
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/**
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* Removes all `setImmediate` references from `source`.
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*
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* @private
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* @param {String} source The source to process.
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* @returns {String} Returns the modified source.
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*/
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function removeSetImmediate(source) {
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// remove the `setImmediate` fork of `_.defer`.
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source = source.replace(/(?:\s*\/\/.*)*\n( *)if *\(isV8 *&& *freeModule[\s\S]+?\n\1}/, '');
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return source;
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}
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/**
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* Removes a given property from the `support` object in `source`.
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*
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@@ -1623,15 +1670,17 @@
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* @returns {String} Returns the modified source.
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*/
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function removeSupportProp(source, propName) {
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return source.replace(RegExp(
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multilineComment +
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// match a `try` block
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'(?: *try\\b.+\\n)?' +
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// match the `support` property assignment
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' *support\\.' + propName + ' *=.+\\n' +
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// match `catch` block
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'(?:( *).+?catch\\b[\\s\\S]+?\\n\\1}\\n)?'
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), '');
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return source.replace(getSupport(source), function(match) {
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return match.replace(RegExp(
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multilineComment +
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// match a `try` block
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'(?: *try\\b.+\\n)?' +
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// match the `support` property assignment
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' *support\\.' + propName + ' *=.+\\n' +
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// match `catch` block
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'(?:( *).+?catch\\b[\\s\\S]+?\\n\\1}\\n)?'
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), '');
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});
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}
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/**
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@@ -3199,7 +3248,7 @@
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_.each(['assign', 'createCallback', 'forIn', 'forOwn', 'isPlainObject', 'unzip', 'zipObject'], function(methodName) {
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if (!useLodashMethod(methodName)) {
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modified = modified.replace(RegExp('^(?: *//.*\\s*)* *lodash\\.' + methodName + ' *=.+\\n', 'm'), '');
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modified = modified.replace(RegExp('^(?: *//.*\\s*)* *lodash\\.' + methodName + ' *=[\\s\\S]+?;\\n', 'm'), '');
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}
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});
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@@ -3321,6 +3370,7 @@
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}
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if (isRemoved(source, 'isArguments')) {
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source = replaceSupportProp(source, 'argsClass', 'true');
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source = removeIsArgumentsFallback(source);
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}
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if (isRemoved(source, 'isArguments', 'isEmpty')) {
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source = removeSupportArgsClass(source);
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@@ -3428,30 +3478,33 @@
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}
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// remove code used to resolve unneeded `support` properties
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source = source.replace(/^ *\(function[\s\S]+?\n(( *)var ctor *= *function[\s\S]+?(?:\n *for.+)+\n)([\s\S]+?)}\(1\)\);\n/m, function(match, setup, indent, body) {
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var modified = setup;
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if (!/support\.spliceObjects *=(?! *(?:false|true))/.test(match)) {
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modified = modified.replace(/^ *object *=.+\n/m, '');
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}
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if (!/support\.enumPrototypes *=(?! *(?:false|true))/.test(match) &&
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!/support\.nonEnumShadows *=(?! *(?:false|true))/.test(match) &&
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!/support\.ownLast *=(?! *(?:false|true))/.test(match)) {
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modified = modified
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||||
.replace(/\bctor *=.+\s+/, '')
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.replace(/^ *ctor\.prototype.+\s+.+\n/m, '')
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.replace(/(?:,\n)? *props *=[^;=]+/, '')
|
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.replace(/^ *for *\((?=prop)/, '$&var ')
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}
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if (!/support\.nonEnumArgs *=(?! *(?:false|true))/.test(match)) {
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modified = modified.replace(/^ *for *\(.+? arguments.+\n/m, '');
|
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}
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// cleanup the empty var statement
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modified = modified.replace(/^ *var;\n/m, '');
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source = source.replace(getSupport(source), function(match) {
|
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return match.replace(/^ *\(function[\s\S]+?\n(( *)var ctor *=[\s\S]+?(?:\n *for.+)+\n)([\s\S]+?)}\(1\)\);\n/m, function(match, setup, indent, body) {
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var modified = setup;
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|
||||
// if no setup then remove IIFE
|
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return /^\s*$/.test(modified)
|
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? body.replace(RegExp('^' + indent, 'gm'), indent.slice(0, -2))
|
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: match.replace(setup, modified);
|
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if (!/support\.spliceObjects *=(?! *(?:false|true))/.test(body)) {
|
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modified = modified.replace(/^ *object *=.+\n/m, '');
|
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}
|
||||
if (!/support\.enumPrototypes *=(?! *(?:false|true))/.test(body) &&
|
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!/support\.nonEnumShadows *=(?! *(?:false|true))/.test(body) &&
|
||||
!/support\.ownLast *=(?! *(?:false|true))/.test(body)) {
|
||||
modified = modified
|
||||
.replace(/\bctor *=.+\s+/, '')
|
||||
.replace(/^ *ctor\.prototype.+\s+.+\n/m, '')
|
||||
.replace(/(?:,\n)? *props *=[^;=]+/, '')
|
||||
.replace(/^ *for *\((?=prop)/, '$&var ')
|
||||
}
|
||||
if (!/support\.nonEnumArgs *=(?! *(?:false|true))/.test(body)) {
|
||||
modified = modified.replace(/^ *for *\(.+? arguments.+\n/m, '');
|
||||
}
|
||||
// cleanup the empty var statement
|
||||
modified = modified.replace(/^ *var;\n/m, '');
|
||||
|
||||
// if no setup then remove IIFE
|
||||
return /^\s*$/.test(modified)
|
||||
? body.replace(RegExp('^' + indent, 'gm'), indent.slice(0, -2))
|
||||
: match.replace(setup, modified);
|
||||
});
|
||||
});
|
||||
|
||||
// remove unused variables
|
||||
@@ -3471,7 +3524,7 @@
|
||||
varNames.shift();
|
||||
}
|
||||
else {
|
||||
while (!useMap[varNames[0]]) {
|
||||
while (varNames.length && !useMap[varNames[0]]) {
|
||||
source = removeVar(source, varNames[0]);
|
||||
varNames.shift();
|
||||
}
|
||||
|
||||
6
dist/lodash.underscore.js
vendored
6
dist/lodash.underscore.js
vendored
@@ -4386,6 +4386,9 @@
|
||||
lodash.take = first;
|
||||
lodash.head = first;
|
||||
|
||||
// add functions to `lodash.prototype`
|
||||
mixin(lodash);
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
@@ -4397,9 +4400,6 @@
|
||||
*/
|
||||
lodash.VERSION = '1.3.1';
|
||||
|
||||
// add functions to `lodash.prototype`
|
||||
mixin(lodash);
|
||||
|
||||
// add "Chaining" functions to the wrapper
|
||||
lodash.prototype.chain = wrapperChain;
|
||||
lodash.prototype.value = wrapperValueOf;
|
||||
|
||||
58
dist/lodash.underscore.min.js
vendored
58
dist/lodash.underscore.min.js
vendored
@@ -4,32 +4,32 @@
|
||||
* Build: `lodash underscore exports="amd,commonjs,global,node" -o ./dist/lodash.underscore.js`
|
||||
* Underscore.js 1.4.4 underscorejs.org/LICENSE
|
||||
*/
|
||||
;!function(n){function t(n,t){var r;if(n&>[typeof n])for(r in n)if(Et.call(n,r)&&t(n[r],r,n)===nt)break}function r(n,t){var r;if(n&>[typeof n])for(r in n)if(t(n[r],r,n)===nt)break}function e(n){var t,r=[];if(!n||!gt[typeof n])return r;for(t in n)Et.call(n,t)&&r.push(t);return r}function u(n,t,r){r=(r||0)-1;for(var e=n.length;++r<e;)if(n[r]===t)return r;return-1}function o(n,t){var r=n.m,e=t.m;if(n=n.l,t=t.l,n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return r<e?-1:1
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||||
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if(typeof r!="number"&&null!=r){var o=u;for(r=W(r,t);o--&&r(n[o],o,n);)e++}else if(e=r,null==e||t)return n[u-1];return Rr.call(n,Fr(0,u-e))}},o.take=$,o.head=$,H(o),o.VERSION="1.3.1",o.prototype.chain=function(){return this.__chain__=!0,this},o.prototype.value=function(){return this.__wrapped__},N("pop push reverse shift sort splice unshift".split(" "),function(n){var r=vr[n];o.prototype[n]=function(){var n=this.__wrapped__;return r.apply(n,arguments),!Mr.spliceObjects&&0===n.length&&delete n[0],this
|
||||
}}),N(["concat","join","slice"],function(n){var r=vr[n];o.prototype[n]=function(){var n=r.apply(this.__wrapped__,arguments);return this.__chain__&&(n=new i(n),n.__chain__=!0),n}}),typeof define=="function"&&typeof define.amd=="object"&&define.amd?(n._=o, define(function(){return o})):cr&&!cr.nodeType?pr?(pr.exports=o)._=o:cr._=o:n._=o}(this);
|
||||
Reference in New Issue
Block a user