enable rule prefer-arrow-callback and fix errors

.eslintrc

@@ -3,7 +3,6 @@
     "plugins": ["lodash", "wix-editor"],
     "rules": {
         "semi": [2, "always"],
-        "prefer-arrow-callback": 0,
         "prefer-spread": 0,
         "prefer-template": 0,
         "consistent-return": 0,

Gruntfile.js

@@ -105,7 +105,7 @@ module.exports = function (grunt) {
     grunt.registerTask('lint', ['eslint:all']);
     grunt.registerTask('test', ['tape']);
 
-    grunt.registerTask('rt', function () {
+    grunt.registerTask('rt', () => {
         const reactTemplates = require('./src/cli');
         const files = grunt.file.expand('playground/*.rt');
         const ret = reactTemplates.execute({modules: 'amd', force: true, _: files});

playground/.eslintrc

@@ -2,7 +2,8 @@
     "rules": {
         "strict": [2, "function"],
         "no-var": 0,
-        "object-shorthand": 0
+        "object-shorthand": 0,
+        "prefer-arrow-callback": 0
     },
     "env": {
         "browser": true,

sample/.eslintrc

@@ -2,7 +2,8 @@
     "rules": {
         "strict": [2, "function"],
         "no-var": 0,
-        "object-shorthand": 0
+        "object-shorthand": 0,
+        "prefer-arrow-callback": 0
     },
     "env": {
         "browser": true,

src/formatters/stylish.js

@@ -6,20 +6,6 @@ const chalk = require('chalk');
 const _ = require('lodash');
 const table = require('text-table');
 
-///**
-// * @param {MESSAGE} message
-// * @return {string}
-// */
-//function getMessageType(message) {
-//    if (message.level === 'WARN') {
-//        return chalk.yellow('warning');
-//    }
-//    if (message.level === 'ERROR') {
-//        return chalk.red('error');
-//    }
-//    return chalk.cyan('info');
-//}
-
 /**
  * Given a word and a count, append an s if count is not one.
  * @param {string} word A word in its singular form.
@@ -29,11 +15,6 @@ const table = require('text-table');
 function pluralize(word, count) {
     return count === 1 ? word : word + 's';
 }
-
-//function pluralize(n, single, plural) {
-//    return n === 1 ? single : plural;
-//}
-
 /**
  * @param {number} line
  * @return {string}
@@ -42,74 +23,6 @@ function lineText(line) {
     return line < 1 ? '' : line;
 }
 
-//module.exports = function (warnings/*, config*/) {
-//    const _ = require('lodash');
-//    const table = require('text-table');
-//    //const verbosity = false;
-//    const UNICODE_HEAVY_MULTIPLICATION_X = '\u2716';
-//
-//    // context.report(JSON.stringify(warnings, undefined, 2));
-//    const output = table(
-//        warnings.map(function (message) {
-//            return [
-//                '',
-//                message.file || '',
-//                lineText(message.line || 0),
-//                lineText(message.column || 0),
-//                getMessageType(message),
-//                // message.message.replace(/\.$/, ''),
-//                message.msg || ''
-//                // chalk.gray(message.ruleId)
-//            ];
-//        }),
-//        {
-//            align: ['', 'r', 'l'],
-//            stringLength: function (str) {
-//                return chalk.stripColor(str).length;
-//            }
-//        }
-//        //}
-//    );
-//
-//    const buf = [];
-//
-//    buf.push(output);
-//
-//    const grouped = _.groupBy(warnings, 'level');
-//
-//    const errCount = grouped.ERROR ? grouped.ERROR.length : 0;
-//    const warnCount = grouped.WARN ? grouped.WARN.length : 0;
-//    //const infoCount = grouped.INFO ? grouped.INFO.length : 0;
-//
-////    buf.push(errCount + ' ' + warnCount + ' ' + infoCount + '\n');
-//
-//    if (errCount === 0 && warnCount === 0) {
-//        buf.push(chalk.green('React templates done'));
-//    } else {
-//        const msg = [];
-//        if (errCount > 0) {
-//            msg.push(errCount + ' ' + pluralize(errCount, 'error', 'errors'));
-//        } else {
-//            msg.push(warnCount + ' ' + pluralize(warnCount, 'warning', 'warnings'));
-//        }
-//        buf.push(chalk.red.bold(UNICODE_HEAVY_MULTIPLICATION_X + ' ' + msg.join(', ')));
-//        if (errCount > 0) {
-//            buf.push(chalk.red('React templates failed due to errors'));
-//        } else {
-//            buf.push(chalk.yellow('React templates done with warnings'));
-//        }
-//    }
-//
-////                context.report(JSON.stringify(grouped, undefined, 2));
-////    if (grouped.ERROR && grouped.ERROR.length > 0) {
-//////        throw new Error(errorMessages.VERIFY_FAILED.format(grouped.ERROR.length, pluralize(grouped.ERROR.length, 'error', 'errors')));
-////    } else {
-////        buf.push(chalk.red.bold(UNICODE_HEAVY_MULTIPLICATION_X + ' ' + warnings.length + ' ' + pluralize(warnings.length, 'problem', 'problems')) + '\n');
-////        buf.push('React templates done with warnings\n');
-////    }
-//    return buf.join('\n');
-//};
-
 module.exports = function (results) {
     results = _.groupBy(results, 'file');
 
@@ -120,7 +33,7 @@ module.exports = function (results) {
     let infos = 0;
     let summaryColor = 'cyan';
 
-    _.forEach(results, function (result, k) {
+    _.forEach(results, (result, k) => {
         const messages = result;
 
         if (messages.length === 0) {
@@ -131,7 +44,7 @@ module.exports = function (results) {
         output += chalk.underline(k) + '\n';
 
         output += table(
-            messages.map(function (message) {
+            messages.map(message => {
                 let messageType;
 
                 if (message.level === 'ERROR') {
@@ -160,11 +73,7 @@ module.exports = function (results) {
                 align: ['', 'r', 'l'],
                 stringLength: str => chalk.stripColor(str).length
             }
-        ).split('\n').map(function (el) {
-            return el.replace(/(\d+)\s+(\d+)/, function (m, p1, p2) {
-                return chalk.gray(p1 + ':' + p2);
-            });
-        }).join('\n') + '\n\n';
+        ).split('\n').map(el => el.replace(/(\d+)\s+(\d+)/, (m, p1, p2) => chalk.gray(p1 + ':' + p2))).join('\n') + '\n\n';
     });
 
     if (total > 0) {

src/reactSupport.js

@@ -26,7 +26,7 @@ const reactSupportedAttributes = ['accept', 'acceptCharset', 'accessKey', 'actio
 const classNameProp = 'className';
 const attributesMapping = {'class': classNameProp, 'rt-class': classNameProp, 'for': 'htmlFor'}; //eslint-disable-line quote-props
 
-_.forEach(reactSupportedAttributes, function (attributeReactName) {
+_.forEach(reactSupportedAttributes, attributeReactName => {
     if (attributeReactName !== attributeReactName.toLowerCase()) {
         attributesMapping[attributeReactName.toLowerCase()] = attributeReactName;
     }

src/reactTemplates.js

@@ -170,7 +170,7 @@ function generateInjectedFunc(context, namePrefix, body, params) {
 function generateTemplateProps(node, context) {
     const propTemplateDefinition = context.options.propTemplates[node.name];
     const propertiesTemplates = _(node.children)
-        .map(function (child, index) {
+        .map((child, index) => {
             let templateProp = null;
             if (child.name === templateNode) { // Generic explicit template tag
                 if (!_.has(child.attribs, 'prop')) {
@@ -198,7 +198,7 @@ function generateTemplateProps(node, context) {
         .compact()
         .value();
 
-    return _.transform(propertiesTemplates, function (props, templateProp) {
+    return _.transform(propertiesTemplates, (props, templateProp) => {
         const functionParams = _.values(context.boundParams).concat(templateProp.arguments);
 
         const oldBoundParams = context.boundParams;
@@ -222,7 +222,7 @@ function generateTemplateProps(node, context) {
  */
 function generateProps(node, context) {
     const props = {};
-    _.forOwn(node.attribs, function (val, key) {
+    _.forOwn(node.attribs, (val, key) => {
         const propKey = reactSupport.attributesMapping[key.toLowerCase()] || key;
         if (props.hasOwnProperty(propKey) && propKey !== reactSupport.classNameProp) {
             throw RTCodeError.build(context, node, `duplicate definition of ${propKey} ${JSON.stringify(node.attribs)}`);
@@ -400,7 +400,7 @@ function convertHtmlToReact(node, context) {
             }
         }
 
-        const children = _.map(node.children, function (child) {
+        const children = _.map(node.children, child => {
             const code = convertHtmlToReact(child, context);
             validateJS(code, child, context);
             return code;
@@ -494,7 +494,7 @@ function isTag(node) {
 }
 
 function handleSelfClosingHtmlTags(nodes) {
-    return _.flatMap(nodes, function (node) {
+    return _.flatMap(nodes, node => {
         let externalNodes = [];
         node.children = handleSelfClosingHtmlTags(node.children);
         if (node.type === 'tag' && (_.includes(reactSupport.htmlSelfClosingTags, node.name) ||
@@ -521,7 +521,7 @@ function parseAndConvertHtmlToReact(html, context) {
         throw new RTCodeError('Document should have a root element');
     }
     let firstTag = null;
-    _.forEach(rootTags, function (tag) {
+    _.forEach(rootTags, tag => {
         if (tag.name === 'rt-require') {
             if (!tag.attribs.dependency || !tag.attribs.as) {
                 throw RTCodeError.build(context, tag, "rt-require needs 'dependency' and 'as' attributes");

src/utils.js

@@ -51,7 +51,7 @@ function addIfMissing(array, obj) {
  */
 function concatChildren(children) {
     let res = '';
-    _.forEach(children, function (child) {
+    _.forEach(children, child => {
         if (child && !_.startsWith(child, ' /*')) {
             res += ',';
         }

test/src/styleTest.js

@@ -4,7 +4,7 @@ const rtStyle = require('../../src/rtStyle');
 const text = '.text { background-color: #00346E; padding: 3px; }';
 const textEp = '{\n  "text": {\n    "backgroundColor": "#00346E",\n    "padding": 3\n  }\n}';
 
-test('html tests', function (t) {
+test('html tests', t => {
     const res = rtStyle.convertBody(text);
     t.equal(res, textEp);
     t.end();

test/src/test.js

@@ -31,7 +31,7 @@ const invalidFiles = [
     {file: 'invalid-virtual.rt', issue: new RTCodeError('Document should not have <rt-virtual> as root element', 0, 60, 1, 1)}
 ];
 
-test('invalid tests', function (t) {
+test('invalid tests', t => {
     t.plan(invalidFiles.length);
 
     invalidFiles.forEach(check);
@@ -62,7 +62,7 @@ function normalizeError(err) {
     return err;
 }
 
-test('invalid tests json', function (t) {
+test('invalid tests json', t => {
     const cli = require('../../src/cli');
     t.plan(invalidFiles.length);
 
@@ -99,17 +99,17 @@ function errorEqualMessage(err, file) {
     };
 }
 
-test('rt-if with rt-scope test', function (t) {
+test('rt-if with rt-scope test', t => {
     const files = ['if-with-scope/valid-if-scope.rt'];
     testFiles(t, files);
 });
 
-test('conversion test', function (t) {
+test('conversion test', t => {
     const files = ['div.rt', 'test.rt', 'repeat.rt', 'inputs.rt', 'require.rt'];
     testFiles(t, files);
 });
 
-test('prop template conversion test', function (t) {
+test('prop template conversion test', t => {
     const options = {
         propTemplates: {
             List: {
@@ -134,7 +134,7 @@ function testFiles(t, files, options) {
     files.forEach(checkFile.bind(this, t, options));
 }
 
-test('conversion test - native', function (t) {
+test('conversion test - native', t => {
     const options = {
         propTemplates: {
             MyComp: {
@@ -147,7 +147,7 @@ test('conversion test - native', function (t) {
     testFiles(t, files, options);
 });
 
-test('convert div with all module types', function (t) {
+test('convert div with all module types', t => {
     const files = [
         {source: 'div.rt', expected: 'div.rt.commonjs.js', options: {modules: 'commonjs'}},
         {source: 'div.rt', expected: 'div.rt.amd.js', options: {modules: 'amd', name: 'div'}},
@@ -167,7 +167,7 @@ test('convert div with all module types', function (t) {
     }
 });
 
-test('convert jsrt and test source results', function (t) {
+test('convert jsrt and test source results', t => {
     const files = ['simple.jsrt'];
     t.plan(files.length);
     files.forEach(check);
@@ -181,7 +181,7 @@ test('convert jsrt and test source results', function (t) {
     }
 });
 
-test('html tests', function (t) {
+test('html tests', t => {
     const files = [
         'scope.rt',
         'scope-trailing-semicolon.rt',
@@ -231,7 +231,7 @@ test('html tests', function (t) {
     }
 });
 
-test('test context', function (t) {
+test('test context', t => {
     context.clear();
     t.equal(context.hasErrors(), false);
     context.error('hi', '', 1, 1);
@@ -242,7 +242,7 @@ test('test context', function (t) {
     t.end();
 });
 
-test('test shell', function (t) {
+test('test shell', t => {
     const shell = require('../../src/shell');
     const newContext = _.cloneDeep(context);
     let outputJSON = '';
@@ -268,7 +268,7 @@ test('test shell', function (t) {
     t.end();
 });
 
-test('test shell', function (t) {
+test('test shell', t => {
     const filename = path.join(dataPath, 'div.rt');
     const cli = require('../../src/cli');
     const r = cli.execute(`${filename} -r --dry-run`);
@@ -276,7 +276,7 @@ test('test shell', function (t) {
     t.end();
 });
 
-test('test convertText', function (t) {
+test('test convertText', t => {
     const texts = [
         {input: '{}', expected: '()'},
         {input: "a {'b'}", expected: '"a "+(\'b\')'}
@@ -289,7 +289,7 @@ test('test convertText', function (t) {
     }
 });
 
-test('util.isStale', function (t) {
+test('util.isStale', t => {
     const a = path.join(dataPath, 'a.tmp');
     const b = path.join(dataPath, 'b.tmp');