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Use jsxc instead of commoner #2230
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,28 +1,204 @@ | ||
| #!/usr/bin/env node | ||
| // -*- mode: js -*- | ||
| "use strict"; | ||
|
|
||
| var chokidar = require('chokidar'); | ||
| var fs = require('fs'); | ||
| var glob = require('glob'); | ||
| var mkdirp = require('mkdirp').sync; | ||
| var path = require('path'); | ||
| var transform = require('../main').transform; | ||
| var yargs = require('yargs'); | ||
| var VERSION = require('../package.json').version; | ||
|
|
||
| function handleChange(options, exitOnError, args, changedPath) { | ||
| var startTime = Date.now(); | ||
| var src = path.resolve(args.argv._[0]); | ||
| var dest = path.resolve(args.argv._[1]); | ||
|
|
||
| var absoluteChangedPath = path.resolve(changedPath); | ||
| var newExt = 'js'; | ||
| if (args.argv.extension[0] === '.') { | ||
| newExt = '.js'; | ||
| } | ||
| var changedDest = absoluteChangedPath.replace(src, dest).replace(args.argv.extension, newExt); | ||
| fs.readFile(absoluteChangedPath, {encoding: 'utf8'}, function(err, changedSrc) { | ||
| if (err) { | ||
| console.error(err); | ||
| if (exitOnError) { | ||
| process.exit(exitOnError); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| try { | ||
| var transformedSrc = transform(changedSrc, options); | ||
| } catch (e) { | ||
| console.error('[' + new Date() + '] *** ERROR TRANSFORMING ' + JSON.stringify(absoluteChangedPath) + ':'); | ||
| console.error(' ' + e.toString()); | ||
| if (exitOnError) { | ||
| process.exit(exitOnError); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| mkdirp(path.dirname(changedDest)); | ||
| fs.writeFile(changedDest, transformedSrc, {encoding: 'utf8'}, function(err) { | ||
| if (err) { | ||
| console.error(err); | ||
| if (exitOnError) { | ||
| process.exit(exitOnError); | ||
| } | ||
| } | ||
|
|
||
| if (args.argv.s) { | ||
| return; | ||
| } | ||
|
|
||
| var duration = Date.now() - startTime; | ||
| console.log( | ||
| '[' + new Date() + '] ' + JSON.stringify(absoluteChangedPath) + ' -> ' + JSON.stringify(changedDest) + ' (' + duration.toFixed(0) + ' ms)' | ||
| ); | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| function main() { | ||
| var args = yargs | ||
| .usage( | ||
| 'jsxc ' + VERSION + ': Convert files containing JSX syntax to regular JavaScript.\n' + | ||
| 'Usage:\n' + | ||
| ' $0 [src file] [dest file] (convert a single file)\n' + | ||
| ' $0 [src file] (convert a single file and print to stdout)\n' + | ||
| ' $0 - (convert stdin and print to stdout)\n' + | ||
| ' $0 [src dir] [dest dir] (convert all files in src dir and write to dest dir)\n' + | ||
| ' $0 --extension .jsx [src dir] [src dir] (convert all .jsx files in src dir to .js)' + | ||
| ' $0 --watch [src dir] [dest dir] (watch src dir and place converted files in dest dir)\n' + | ||
| ' $0 --extension .jsx --watch [src dir] [src dir] (watch all .jsx files in src dir and convert to .js)' | ||
| ) | ||
| .alias('w', 'watch') | ||
| .boolean('w') | ||
| .describe('w', 'Watch a directory for changes') | ||
| .alias('e', 'extension') | ||
| .string('e') | ||
| .default('e', '.js') | ||
| .describe('e', 'Extension of files containing JSX syntax') | ||
| .alias('s', 'silent') | ||
| .boolean('s') | ||
| .describe('s', 'Don\'t display non-error logging') | ||
| .default('s', false) | ||
| .boolean('a') | ||
| .alias('a', 'harmony') | ||
| .describe('a', 'Enable ES6 features') | ||
| .alias('h', 'help') | ||
| .describe('t', 'Strip type annotations') | ||
| .alias('t', 'strip-types') | ||
| .describe('i', 'Add inline source maps') | ||
| .alias('i', 'source-map-inline') | ||
| .boolean('h') | ||
| .describe('h', 'Show this help message'); | ||
|
|
||
| if (args.argv.h || args.argv._.length === 0 || args.argv._.length > 2) { | ||
| console.error(args.help()); | ||
| process.exit(1); | ||
| } | ||
|
|
||
| require('commoner').version( | ||
| require('../package.json').version | ||
| ).resolve(function(id) { | ||
| return this.readModuleP(id); | ||
| }).option( | ||
| '--harmony', | ||
| 'Turns on JS transformations such as ES6 Classes etc.' | ||
| ).option( | ||
| '--strip-types', | ||
| 'Strips out type annotations.' | ||
| ).option( | ||
| '--source-map-inline', | ||
| 'Embed inline sourcemap in transformed source' | ||
| ).process(function(id, source) { | ||
| // This is where JSX, ES6, etc. desugaring happens. | ||
| var options = { | ||
| harmony: this.options.harmony, | ||
| sourceMap: this.options.sourceMapInline, | ||
| stripTypes: this.options.stripTypes | ||
| harmony: args.argv.a, | ||
| sourceMap: args.argv.i, | ||
| stripTypes: args.argv.t | ||
| }; | ||
| return transform(source, options); | ||
| }); | ||
|
|
||
| if (args.argv._.length === 1) { | ||
| if (args.argv._[0] === '-') { | ||
| // read from stdin | ||
| var buf = ''; | ||
| process.stdin.resume(); | ||
| process.stdin.setEncoding('utf8'); | ||
| process.stdin.on('data', function(chunk) { | ||
| buf += chunk; | ||
| }); | ||
| process.stdin.on('end', function() { | ||
| process.stdout.write(transform(buf, options)); | ||
| process.exit(0); | ||
| }); | ||
| } else { | ||
| process.stdout.write( | ||
| transform( | ||
| fs.readFileSync(args.argv._[0], {encoding: 'utf8'}), | ||
| options | ||
| ) | ||
| ); | ||
| process.exit(0); | ||
| } | ||
| } else if (args.argv.watch) { | ||
| if (!args.argv._.length === 2) { | ||
| console.error(args.help()); | ||
| process.exit(1); | ||
| } | ||
| if (!fs.existsSync(args.argv._[0]) || | ||
| !fs.lstatSync(args.argv._[0]).isDirectory()) { | ||
| console.error('ERROR: ' + JSON.stringify(args.argv._[0]) + ' must be an existing directory'); | ||
| process.exit(1); | ||
| } | ||
|
|
||
| var watcher = chokidar.watch(args.argv._[0], { | ||
| ignored: function(path) { | ||
| try { | ||
| if (fs.lstatSync(path).isDirectory()) { | ||
| return false; | ||
| } | ||
| } catch (e) { | ||
| // ignore files you can't stat | ||
| } | ||
| return path.slice(path.length - args.argv.extension.length) !== args.argv.extension; | ||
| }, | ||
| persistent: args.argv.w | ||
| }); | ||
|
|
||
| watcher.on('add', handleChange.bind(null, options, false, args)); | ||
| watcher.on('change', handleChange.bind(null, options, false, args)); | ||
| watcher.on('error', function(err) { | ||
| console.error(err); | ||
| }); | ||
| } else { | ||
| if (!fs.existsSync(args.argv._[0])) { | ||
| console.error('ERROR: ' + JSON.stringify(args.argv._[0]) + ' must exist'); | ||
| process.exit(1); | ||
| } | ||
|
|
||
| if (!fs.existsSync(args.argv._[1])) { | ||
| console.error('ERROR: ' + JSON.stringify(args.argv._[1]) + ' must exist'); | ||
| process.exit(1); | ||
| } | ||
|
|
||
| var srcDir = fs.lstatSync(args.argv._[0]).isDirectory(); | ||
| var destDir = fs.lstatSync(args.argv._[1]).isDirectory(); | ||
| if (srcDir !== destDir) { | ||
| console.error(args.help()); | ||
| process.exit(1); | ||
| } | ||
|
|
||
| if (!srcDir) { | ||
| var transformedSrc = transform( | ||
| fs.readFileSync(args.argv._[0], {encoding: 'utf8'}), | ||
| {harmony: args.argv.a} | ||
| ); | ||
| fs.writeFileSync(args.argv._[1], transformedSrc, {encoding: 'utf8'}); | ||
| process.exit(0); | ||
| } else { | ||
| var newExt = 'js'; | ||
| if (args.argv.extension[0] === '.') { | ||
| newExt = '.js'; | ||
| } | ||
| glob(path.join(args.argv._[0], '**', '*' + args.argv.extension), {}, function(err, files) { | ||
| if (err) { | ||
| console.error(err); | ||
| process.exit(1); | ||
| } | ||
| files.forEach(handleChange.bind(null, options, 2, args)); | ||
| }); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| main(); | ||
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Doesn't optimist take care of outputting options/usage?
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You need to provide usage yourself. It does describe all of the options. I wanted to put some common use cases in here to make the tool more usable.