icon-builder tests, grunt, fix mui#1127 mui#1126 mui#1125 mui#1139

- Add grunt, mocha.
- Modularize functions in build.
- Tests for functions and types.
- Grunt watch for rerunning tests on file save.
- Wrap argv in main() + only run when executing as a script.
- main() now accepts parameterized object literal for simulating args.
- mui#1139 split file renaming into module / argument.

icon-builder/Gruntfile.js

@@ -0,0 +1,39 @@
+module.exports = function(grunt) {
+
+  grunt.loadNpmTasks('grunt-mocha-test');
+  grunt.loadNpmTasks('grunt-contrib-watch');
+
+  grunt.initConfig({
+    mochaTest: {
+      test: {
+        options: {
+          reporter: 'spec',
+          clearRequireCache: true
+        },
+        src: ['test/*.js']
+      },
+    },
+
+    watch: {
+      js: {
+        options: {
+          spawn: false,
+        },
+        files: ['build.js', 'test/*.js'],
+        tasks: ['default']
+      }
+    }
+  });
+
+  // On watch events, if the changed file is a test file then configure mochaTest to only
+  // run the tests from that file. Otherwise run all the tests
+  var defaultTestSrc = grunt.config('mochaTest.test.src');
+  grunt.event.on('watch', function(action, filepath) {
+    grunt.config('mochaTest.test.src', defaultTestSrc);
+    if (filepath.match('test/')) {
+      grunt.config('mochaTest.test.src', filepath);
+    }
+  });
+
+  grunt.registerTask('default', 'mochaTest');
+};

icon-builder/build.js

@@ -11,85 +11,104 @@
 var fs = require('fs');
 var path = require('path');
 var rimraf = require('rimraf');
-var argv = require('yargs')
-    .usage('Build JSX components from SVG\'s.\nUsage: $0')
-    .demand('output-dir')
-    .describe('output-dir', 'Directory to output jsx components')
-    .demand('svg-dir')
-    .describe('svg-dir', 'SVG directory')
-    .describe('inner-path', '"Reach into" subdirs, since libraries like material-design-icons' +
-      ' use arbitrary build directories to organize icons' +
-      ' e.g. "action/svg/production/icon_3d_rotation_24px.svg"')
-    .describe('file-suffix', 'Filter only files ending with a suffix (pretty much only' +
-     ' for material-ui-icons)')
-    .options('mui-require', {
-      demand: false,
-      default: 'absolute',
-      describe: 'Load material-ui dependencies (SvgIcon) relatively or absolutely. (absolute|relative). For material-ui distributions, relative, for anything else, you probably want absolute.',
-      type: 'string'
-    })
-    .describe('mui-icons-opts', 'Shortcut to use MUI icons options')
-    .boolean('mui-icons-opts')
-    .argv;
-
-//Clean old files
-rimraf(argv.outputDir, function() {
+var Mustache = require("mustache");
+var _ = require('lodash');
+
+const SVG_ICON_RELATIVE_REQUIRE = "require('../../svg-icon');\n\n"
+  , SVG_ICON_ABSOLUTE_REQUIRE = "require('material-ui/lib/svg-icon');\n\n"
+  , RENAME_FILTER_DEFAULT = './filters/rename/default'
+  , RENAME_FILTER_MUI = './filters/rename/material-design-icons';
+
+function parseArgs() {
+  return require('yargs')
+      .usage('Build JSX components from SVG\'s.\nUsage: $0')
+      .demand('output-dir')
+      .describe('output-dir', 'Directory to output jsx components')
+      .demand('svg-dir')
+      .describe('svg-dir', 'SVG directory')
+      .describe('inner-path', '"Reach into" subdirs, since libraries like material-design-icons' +
+        ' use arbitrary build directories to organize icons' +
+        ' e.g. "action/svg/production/icon_3d_rotation_24px.svg"')
+      .describe('file-suffix', 'Filter only files ending with a suffix (pretty much only' +
+       ' for material-ui-icons)')
+      .options('rename-filter', {
+        default: RENAME_FILTER_DEFAULT 
+      })
+      .options('mui-require', {
+        demand: false,
+        default: 'absolute',
+        describe: 'Load material-ui dependencies (SvgIcon) relatively or absolutely. (absolute|relative). For material-ui distributions, relative, for anything else, you probably want absolute.',
+        type: 'string'
+      })
+      .describe('mui-icons-opts', 'Shortcut to use MUI icons options')
+      .boolean('mui-icons-opts')
+      .argv;
+}
+
+function main(options, cb) {
+  var originalWrite;  // todo, add wiston / other logging tool
+  if (options.disable_log) { // disable console.log opt, used for tests.
+    originalWrite = process.stdout.write;
+    process.stdout.write = function() {};
+  }
+
+  rimraf.sync(options.outputDir); // Clean old files
   console.log('** Starting Build');
-  //Process each folder
-  var dirs = fs.readdirSync(argv.svgDir);
-  fs.mkdirSync(argv.outputDir);
+  var dirs = fs.readdirSync(options.svgDir);
+
+  var renameFilter = options.renameFilter;
+  if (_.isString(renameFilter)) {
+    renameFilter = require(renameFilter);
+  }
+  if (!_.isFunction(renameFilter)) {
+    throw Error("renameFilter must be a function");
+  }
+
+  fs.mkdirSync(options.outputDir);
+
   dirs.forEach(function(dirName) {
-    processDir(dirName, argv.svgDir, argv.outputDir, argv.innerPath, argv.fileSuffix, argv.muiRequire) 
+    processDir(dirName, options.svgDir, options.outputDir, options.innerPath, options.fileSuffix,  renameFilter, options.muiRequire) 
   });
-});
 
-function processDir(dirName, svgDir, outputDir, innerPath, fileSuffix, muiRequire) {
+  if (cb) {
+    cb();
+  }
+
+  if (options.disable_log) { // bring back stdout 
+    process.stdout.write = originalWrite;
+  }
+}
+
+function processDir(dirName, svgDir, outputDir, innerPath, fileSuffix, renameFilter, muiRequire) {
   var newIconDirPath = path.join(outputDir, dirName);
   var svgIconDirPath = path.join(svgDir, dirName, innerPath);
   if (!fs.existsSync(svgIconDirPath)) { return false; }
   if (!fs.lstatSync(svgIconDirPath).isDirectory()) { return false; }
-  try {
-    var files = fs.readdirSync(svgIconDirPath);
+  var files = fs.readdirSync(svgIconDirPath);
 
-    rimraf(newIconDirPath, function() {
-      console.log('\n ' + dirName);
-      fs.mkdirSync(newIconDirPath);
+  rimraf.sync(newIconDirPath);
+  console.log('\n ' + dirName);
+  fs.mkdirSync(newIconDirPath);
 
-      files.forEach(function(fileName) {
-        processFile(dirName, fileName, newIconDirPath, svgIconDirPath, fileSuffix, muiRequire);
-      });
-    });
-
-  } catch (err) {
-    throw (err);
-  }
+  files.forEach(function(fileName) {
+    processFile(dirName, fileName, newIconDirPath, svgIconDirPath, fileSuffix, renameFilter, muiRequire);
+  });
 }
 
-function processFile(dirName, fileName, dirPath, svgDirPath, fileSuffix, muiRequire) {
-  //Only process 24px files
+function processFile(dirName, fileName, dirPath, svgDirPath, fileSuffix, renameFilter, muiRequire) {
+  var fullPath;
   var svgFilePath = svgDirPath + '/' + fileName;
-  var newFile;
-  if (fileSuffix) {
-    if (fileName.indexOf(fileSuffix, fileName.length - fileSuffix.length) !== -1) {
-      fileName = fileName.replace(fileSuffix, '.jsx');
-      fileName = fileName.slice(3);
-      fileName = fileName.replace(/_/g, '-');
-      if (fileName.indexOf('3d') === 0) {
-        fileName = 'three-d' + fileName.slice(2);
-      }
-    } else {
-      return;
-    }
-  }
-  newFile = path.join(dirPath, fileName);
+
+  fileName = renameFilter(fileName, fileSuffix);
+  if (!fileName) return;  // filter can return a falsey to skip
+  fullPath = path.join(dirPath, fileName);
 
   //console.log('writing ' + newFile);
-  getJsxString(dirName, fileName, svgFilePath, muiRequire, function(fileString) {
-    fs.writeFileSync(newFile, fileString);
-  });
+  var fileString = getJsxString(dirName, fileName, svgFilePath, muiRequire);
+  fs.writeFileSync(fullPath, fileString);
 }
 
-function getJsxString(dirName, newFilename, svgFilePath, muiRequire, callback) {
+function getJsxString(dirName, newFilename, svgFilePath, muiRequire, fileString) {
   var className = newFilename.replace('.jsx', '');
   className = dirName + '-' + className;
   className = pascalCase(className);
@@ -98,40 +117,27 @@ function getJsxString(dirName, newFilename, svgFilePath, muiRequire, callback) {
 
   //var parser = new xml2js.Parser();
 
-  fs.readFile(svgFilePath, {encoding: 'utf8'}, function(err, data) {
-    if (err) {
-      throw err;
-    }
-    //Extract the paths from the svg string
-    var paths = data.slice(data.indexOf('>') + 1);
-    paths = paths.slice(0, -6);
-    //clean xml paths
-    paths = paths.replace('xlink:href="#a"', '');
-    paths = paths.replace('xlink:href="#c"', '');
-
-    // Node acts wierd if we put this directly into string concatenation
-    var muiRequireStmt = muiRequire === "relative" ? "let SvgIcon = require('../../svg-icon');\n\n" : "let SvgIcon = require('material-ui/lib/svg-icon');\n\n";
-
-    callback(
-      "let React = require('react');\n" +
-      muiRequireStmt +
+  var data = fs.readFileSync(svgFilePath, {encoding: 'utf8'});
+  var template = fs.readFileSync(path.join(__dirname, "tpl/SvgIcon.js"), {encoding: 'utf8'});
+  //Extract the paths from the svg string
+  var paths = data.slice(data.indexOf('>') + 1);
+  paths = paths.slice(0, -6);
+  //clean xml paths
+  paths = paths.replace('xlink:href="#a"', '');
+  paths = paths.replace('xlink:href="#c"', '');
 
-      "let " + className + " = React.createClass({\n\n" +
+  // Node acts wierd if we put this directly into string concatenation
 
-      "  render() {\n" +
-      "    return (\n" +
-      "      <SvgIcon {...this.props}>\n" +
-      "        " + paths + "\n" +
-      "      </SvgIcon>\n" +
-      "    );\n" +
-      "  }\n\n" +
+  var muiRequireStmt = muiRequire === "relative" ? SVG_ICON_RELATIVE_REQUIRE : SVG_ICON_ABSOLUTE_REQUIRE;
 
-      "});\n\n" +
-
-      "module.exports = " + className + ";"
-    );
+  return Mustache.render(
+    template, {
+      muiRequireStmt: muiRequireStmt,
+      paths: paths,
+      className: className
+    }
+  );
 
-  });
 }
 
 function pascalCase(str) {
@@ -140,3 +146,20 @@ function pascalCase(str) {
     return group1.toUpperCase();
   });
 }
+
+if (require.main === module) {
+  var argv = parseArgs();
+  main(argv);
+}
+
+module.exports = {
+  pascalCase: pascalCase, 
+  getJsxString: getJsxString,
+  processDir: processDir,
+  processFile: processFile,
+  main: main,
+  SVG_ICON_RELATIVE_REQUIRE: SVG_ICON_RELATIVE_REQUIRE,
+  SVG_ICON_ABSOLUTE_REQUIRE: SVG_ICON_ABSOLUTE_REQUIRE,
+  RENAME_FILTER_DEFAULT: RENAME_FILTER_DEFAULT,
+  RENAME_FILTER_MUI: RENAME_FILTER_MUI
+}

icon-builder/filters/rename/default.js

@@ -0,0 +1,12 @@
+function defaultFilter(fileName, fileSuffix) {
+  if (fileSuffix) {
+    fileName.replace(fileSuffix, ".svg");
+  } else {
+    fileName = fileName.replace('.svg', '.jsx');
+  }
+  fileName = fileName.replace(/_/g, '-');
+  return fileName;
+}
+
+
+module.exports = defaultFilter; 

icon-builder/filters/rename/material-design-icons.js

@@ -0,0 +1,14 @@
+function myFilter(fileName, fileSuffix) {
+  if (fileSuffix && fileName.indexOf(fileSuffix, fileName.length - fileSuffix.length) !== -1) {
+    fileName = fileName.replace(fileSuffix, '.jsx');
+    fileName = fileName.slice(3);
+    fileName = fileName.replace(/_/g, '-');
+
+    if (fileName.indexOf('3d') === 0) {
+      fileName = 'three-d' + fileName.slice(2);
+    }
+    return fileName;
+  }
+}
+
+module.exports = myFilter; 

icon-builder/package.json

@@ -4,7 +4,7 @@
   "description": "Material Design Svg Icons converted to React components.",
   "scripts": {
     "prebuild": "rm -rf js",
-    "createMuiIconsJsx": "node build.js --output-dir jsx --svg-dir ./node_modules/material-design-icons --inner-path /svg/production/ --file-suffix _24px.svg --mui-require relative",
+    "createMuiIconsJsx": "node build.js --output-dir jsx --svg-dir ./node_modules/material-design-icons --inner-path /svg/production/ --file-suffix _24px.svg --mui-require relative --renameFilter ./filters/rename/material-design-icons.js",
     "build": "npm run createMuiIconsJsx && babel --stage 1 ./jsx --out-dir ./js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -28,7 +28,17 @@
   "peerDependencies": {},
   "devDependencies": {
     "babel": "^5.6.1",
+    "chai": "^3.0.0",
+    "grunt": "^0.4.5",
+    "grunt-contrib-clean": "^0.6.0",
+    "grunt-contrib-watch": "^0.6.1",
+    "grunt-mocha-test": "^0.12.7",
+    "load-grunt-tasks": "^3.2.0",
+    "lodash": "^3.10.0",
     "material-design-icons": "^2.0.0",
-    "rimraf": "^2.4.0"
+    "mocha": "^2.2.5",
+    "mustache": "^2.1.2",
+    "rimraf": "^2.4.0",
+    "temp": "^0.8.3"
   }
 }

icon-builder/test/fixtures/game-icons/README.md

@@ -0,0 +1,7 @@
+Game Icons Test Fixtures
+========================
+
+Source: http://game-icons.net/
+Date: July 7, 2015
+License: [CC BY 3.0](http://creativecommons.org/licenses/by/3.0/)
+Extracted from SVG (B/T) set.