Use ES6 in lib files.

lib/fp/build-dist.js

@@ -1,19 +1,19 @@
 'use strict';
 
-var _ = require('lodash'),
-    async = require('async'),
-    path = require('path'),
-    webpack = require('webpack');
+const _ = require('lodash');
+const async = require('async');
+const path = require('path');
+const webpack = require('webpack');
 
-var file = require('../common/file'),
-    util = require('../common/util');
+const file = require('../common/file');
+const util = require('../common/util');
 
-var basePath = path.join(__dirname, '..', '..'),
-    distPath = path.join(basePath, 'dist'),
-    fpPath = path.join(basePath, 'fp'),
-    filename = 'lodash.fp.js';
+const basePath = path.join(__dirname, '..', '..');
+const distPath = path.join(basePath, 'dist');
+const fpPath = path.join(basePath, 'fp');
+const filename = 'lodash.fp.js';
 
-var fpConfig = {
+const fpConfig = {
   'entry': path.join(fpPath, '_convertBrowser.js'),
   'output': {
     'path': distPath,
@@ -27,7 +27,7 @@ var fpConfig = {
   ]
 };
 
-var mappingConfig = {
+const mappingConfig = {
   'entry': path.join(fpPath, '_mapping.js'),
   'output': {
     'path': distPath,

lib/fp/build-doc.js

@@ -1,22 +1,22 @@
 'use strict';
 
-var _ = require('lodash'),
-    fs = require('fs-extra'),
-    path = require('path');
+const _ = require('lodash');
+const fs = require('fs-extra');
+const path = require('path');
 
-var file = require('../common/file'),
-    mapping = require('../common/mapping'),
-    util = require('../common/util');
+const file = require('../common/file');
+const mapping = require('../common/mapping');
+const util = require('../common/util');
 
-var templatePath = path.join(__dirname, 'template/doc'),
-    template = file.globTemplate(path.join(templatePath, '*.jst'));
+const templatePath = path.join(__dirname, 'template/doc');
+const template = file.globTemplate(path.join(templatePath, '*.jst'));
 
-var argNames = ['a', 'b', 'c', 'd'];
+const argNames = ['a', 'b', 'c', 'd'];
 
-var templateData = {
-  'mapping': mapping,
-  'toArgOrder': toArgOrder,
-  'toFuncList': toFuncList
+const templateData = {
+  mapping,
+  toArgOrder,
+  toFuncList
 };
 
 /**
@@ -28,8 +28,8 @@ var templateData = {
  * @returns {string} Returns the named argument string.
  */
 function toArgOrder(indexes) {
-  var reordered = [];
-  _.each(indexes, function(newIndex, index) {
+  const reordered = [];
+  _.each(indexes, (newIndex, index) => {
     reordered[newIndex] = argNames[index];
   });
   return '`(' + reordered.join(', ') + ')`';
@@ -43,18 +43,15 @@ function toArgOrder(indexes) {
  * @returns {string} Returns the function list string.
  */
 function toFuncList(funcNames) {
-  var chunks = _.chunk(funcNames.slice().sort(), 5),
-      lastChunk = _.last(chunks),
-      last = lastChunk ? lastChunk.pop() : undefined;
+  let chunks = _.chunk(funcNames.slice().sort(), 5);
+  let lastChunk = _.last(chunks);
+  const lastName = lastChunk ? lastChunk.pop() : undefined;
 
   chunks = _.reject(chunks, _.isEmpty);
   lastChunk = _.last(chunks);
 
-  var result = '`' + _.map(chunks, function(chunk) {
-    return chunk.join('`, `') + '`';
-  }).join(',\n`');
-
-  if (last == null) {
+  let result = '`' + _.map(chunks, chunk => chunk.join('`, `') + '`').join(',\n`');
+  if (lastName == null) {
     return result;
   }
   if (_.size(chunks) > 1 || _.size(lastChunk) > 1) {
@@ -62,7 +59,7 @@ function toFuncList(funcNames) {
   }
   result += ' &';
   result += _.size(lastChunk) < 5 ? ' ' : '\n';
-  return result + '`' + last + '`';
+  return result + '`' + lastName + '`';
 }
 
 /*----------------------------------------------------------------------------*/

lib/fp/build-modules.js

@@ -1,25 +1,25 @@
 'use strict';
 
-var _ = require('lodash'),
-    async = require('async'),
-    glob = require('glob'),
-    path = require('path');
+const _ = require('lodash');
+const async = require('async');
+const glob = require('glob');
+const path = require('path');
 
-var file = require('../common/file'),
-    mapping = require('../common/mapping'),
-    util = require('../common/util');
+const file = require('../common/file');
+const mapping = require('../common/mapping');
+const util = require('../common/util');
 
-var templatePath = path.join(__dirname, 'template/modules'),
-    template = file.globTemplate(path.join(templatePath, '*.jst'));
+const templatePath = path.join(__dirname, 'template/modules');
+const template = file.globTemplate(path.join(templatePath, '*.jst'));
 
-var aryMethods = _.union(
+const aryMethods = _.union(
   mapping.aryMethod[1],
   mapping.aryMethod[2],
   mapping.aryMethod[3],
   mapping.aryMethod[4]
 );
 
-var categories = [
+const categories = [
   'array',
   'collection',
   'date',
@@ -33,7 +33,7 @@ var categories = [
   'util'
 ];
 
-var ignored = [
+const ignored = [
   '_*.js',
   'core.js',
   'core.min.js',
@@ -85,7 +85,7 @@ function isThru(name) {
  * @returns {*} Returns the metadata for `func`.
  */
 function getTemplate(moduleName) {
-  var data = {
+  const data = {
     'name': _.get(mapping.aliasToReal, moduleName, moduleName),
     'mapping': mapping
   };
@@ -113,28 +113,28 @@ function getTemplate(moduleName) {
 function build(target) {
   target = path.resolve(target);
 
-  var fpPath = path.join(target, 'fp');
+  const fpPath = path.join(target, 'fp');
 
   // Glob existing lodash module paths.
-  var modulePaths = glob.sync(path.join(target, '*.js'), {
+  const modulePaths = glob.sync(path.join(target, '*.js'), {
     'nodir': true,
-    'ignore': ignored.map(function(filename) {
+    'ignore': ignored.map(filename => {
       return path.join(target, filename);
     })
   });
 
   // Add FP alias and remapped module paths.
-  _.each([mapping.aliasToReal, mapping.remap], function(data) {
-    _.forOwn(data, function(realName, alias) {
-      var modulePath = path.join(target, alias + '.js');
+  _.each([mapping.aliasToReal, mapping.remap], data => {
+    _.forOwn(data, (realName, alias) => {
+      const modulePath = path.join(target, alias + '.js');
       if (!_.includes(modulePaths, modulePath)) {
         modulePaths.push(modulePath);
       }
     });
   });
 
-  var actions = modulePaths.map(function(modulePath) {
-    var moduleName = path.basename(modulePath, '.js');
+  const actions = modulePaths.map(modulePath => {
+    const moduleName = path.basename(modulePath, '.js');
     return file.write(path.join(fpPath, moduleName + '.js'), getTemplate(moduleName));
   });
 

lib/fp/template/doc/wiki.jst

@@ -131,8 +131,8 @@ Methods with unchanged argument orders:<br>
 <%= toFuncList(_.keys(mapping.skipRearg)) %>
 
 Methods with custom argument orders:<br>
-<%= _.map(_.keys(mapping.methodRearg), function(methodName) {
-  var orders = mapping.methodRearg[methodName];
+<%= _.map(_.keys(mapping.methodRearg), methodName => {
+  const orders = mapping.methodRearg[methodName];
   return ' * `_.' + methodName + '` has an order of ' + toArgOrder(orders);
 }).join('\n') %>
 
@@ -148,8 +148,8 @@ Methods created to accommodate Lodash’s variadic methods:<br>
 #### Aliases
 
 There are <%= _.size(mapping.aliasToReal) %> method aliases:<br>
-<%= _.map(_.keys(mapping.aliasToReal).sort(), function(alias) {
-  var realName = mapping.aliasToReal[alias];
+<%= _.map(_.keys(mapping.aliasToReal).sort(), alias => {
+  const realName = mapping.aliasToReal[alias];
   return ' * `_.' + alias + '` is an alias of `_.' + realName + '`';
 }).join('\n') %>