move to explicitly imported lodash functions

Author: spalger

src/fileIgnored.js

@@ -1,5 +1,5 @@
 var fs = require('fs');
-var _ = require('lodash');
+var memoize = require('lodash/memoize');
 var Minimatch = require('minimatch').Minimatch;
 var resolve = require('path').resolve;
 var dirname = require('path').dirname;
@@ -39,7 +39,7 @@ module.exports = (function () {
     };
   }
 
-  var minimatch = _.memoize(function (pattern) {
+  var minimatch = memoize(function (pattern) {
     return new Minimatch(pattern, { nocase: true });
   });
 

src/lint.js

@@ -3,7 +3,11 @@ var PluginError = require('gulp-util').PluginError;
 var RcLoader = require('rcloader');
 var jshintcli = require('jshint/src/cli');
 var minimatch = require('minimatch');
-var _ = require('lodash');
+
+var assign = require('lodash/assign');
+var forEach = require('lodash/forEach');
+var isString = require('lodash/isString');
+var isFunction = require('lodash/isFunction');
 
 module.exports = function createLintFunction(userOpts) {
   userOpts = userOpts || {};
@@ -15,15 +19,15 @@ module.exports = function createLintFunction(userOpts) {
   var jshint = require('jshint').JSHINT;
 
   if (userOpts.linter) {
-    if (_.isString(userOpts.linter)) {
+    if (isString(userOpts.linter)) {
       // require throws an error if the component can't be found,
       // so we're guaranteed that `require(jshint)` will not be undefined
       jshint = require(userOpts.linter).JSHINT;
     } else { // should be a function
-      jshint = userOpts.linter; 
-    }    
+      jshint = userOpts.linter;
+    }
 
-    if (!_.isFunction(jshint)) {
+    if (!isFunction(jshint)) {
       throw new PluginError('gulp-jshint',
         'Invalid linter "'+ userOpts.linter + '". Must be a function or requirable package.'
       );
@@ -68,23 +72,23 @@ module.exports = function createLintFunction(userOpts) {
       }
 
       if (cfg.overrides) {
-        _.forEach(cfg.overrides, function (options, pattern) {
+        forEach(cfg.overrides, function (options, pattern) {
           if (!minimatch(file.path, pattern, { nocase: true, matchBase: true })) return;
 
           if (options.globals) {
-            globals = _.assign(globals, options.globals);
+            globals = assign(globals, options.globals);
             delete options.globals;
           }
 
-          _.assign(cfg, options);
+          assign(cfg, options);
         });
 
         delete cfg.overrides;
       }
 
       // get or create file.jshint, we will write all output here
       var out = file.jshint || (file.jshint = {});
-      var str = _.isString(out.extracted) ? out.extracted : file.contents.toString('utf8');
+      var str = isString(out.extracted) ? out.extracted : file.contents.toString('utf8');
 
       out.success = jshint(str, cfg, globals);
       if (!out.success) reportErrors(file, out, cfg);

src/reporters/fail.js

@@ -1,7 +1,7 @@
 var path = require('path');
 var stream = require('../stream');
 var PluginError = require('gulp-util').PluginError;
-var _ = require('lodash');
+var reduce = require('lodash/reduce');
 
 module.exports = function (opts) {
   opts = opts || {};
@@ -19,7 +19,7 @@ module.exports = function (opts) {
     function through(file) {
       // count error, warning and info messages
       if (file.jshint && file.jshint.results) {
-        messages = _.reduce(file.jshint.results, function(result, err) {
+        messages = reduce(file.jshint.results, function(result, err) {
           return {
             error: result.error + Number(err.error.code[0] === 'E'),
             warning: result.warning + Number(err.error.code[0] === 'W'),

src/reporters/index.js

@@ -1,6 +1,6 @@
 var PluginError = require('gulp-util').PluginError;
 var stream = require('../stream');
-var _ = require('lodash');
+var defaults = require('lodash/defaults');
 
 exports.failReporter = require('./fail');
 
@@ -43,7 +43,7 @@ exports.reporter = function (reporter, reporterCfg) {
   return stream(function (file, cb) {
     if (file.jshint && !file.jshint.success && !file.jshint.ignored) {
       // merge the reporter config into this files config
-      var opt = _.defaults({}, reporterCfg, file.jshint.opt);
+      var opt = defaults({}, reporterCfg, file.jshint.opt);
 
       rpt(file.jshint.results, file.jshint.data, opt);
     }

test/util.js

@@ -1,4 +1,4 @@
-var _ = require('lodash');
+var isString = require('lodash/isString');
 var jshint = require('../');
 var gutil = require('gulp-util');
 var join = require('path').join;
@@ -13,7 +13,7 @@ function File(opts) {
   if (!(this instanceof File)) return new File(opts);
 
   opts = opts || {};
-  if (_.isString(opts)) {
+  if (isString(opts)) {
     opts = { path: opts.replace(/^fixture\//, 'test/fixtures/') };
   }
 
@@ -83,4 +83,4 @@ module.exports = {
   Fixture: Fixture,
   RcFixture: RcFixture,
   lint: lint
-};
+};