135 lines
3.2 KiB
JavaScript
Executable File
135 lines
3.2 KiB
JavaScript
Executable File
#!/usr/bin/env node
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var commander = require("commander");
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var chokidar = require("chokidar");
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var readdir = require("fs-readdir-recursive");
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var mkdirp = require("mkdirp");
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var 6to5 = require("../lib/6to5/node");
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var path = require("path");
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var util = require("../lib/6to5/util");
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var fs = require("fs");
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var _ = require("lodash");
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commander.option("-m, --source-maps", "Generate source maps alongside the compiled JavaScript files. Adds sourceMappingURL directives to the JavaScript as well.");
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//commander.option("-w, --watch", "Watch, only works with --out-dir");
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var list = function (val) {
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return val ? val.split(",") : [];
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};
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commander.option("-w, --whitelist [whitelist]", "Whitelist", list);
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commander.option("-b, --blacklist [blacklist]", "Blacklist", list);
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commander.option("-o, --out-file [out]", "Compile all input files into a single file");
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commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");
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var pkg = require("../package.json");
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commander.version(pkg.version);
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commander.usage("[options] <files ...>");
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commander.parse(process.argv);
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//
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var errors = [];
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var filenames = commander.args;
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if (!filenames.length) errors.push("no filenames input");
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_.each(filenames, function (filename) {
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if (!fs.existsSync(filename)) {
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errors.push(filename + " doesn't exist");
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}
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});
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if (commander.outFile && commander.outDir) {
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errors.push("cannot have --out-file and --out-dir");
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}
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if (errors.length) {
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console.error(errors.join(". "));
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process.exit(2);
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}
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//
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var readdirFilter = function (filename) {
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return readdir(filename).filter(util.canCompile);
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};
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var mainOpts = {
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blacklist: commander.blacklist,
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whitelist: commander.whitelist,
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sourceMap: commander.sourceMaps,
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tolerant: commander.tolerant
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};
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var data = [];
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var compile = function (filename) {
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var opts = _.clone(mainOpts);
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opts.filename = filename;
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var file = fs.readFileSync(filename);
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return 6to5.transform(file, opts);
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};
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if (commander.outDir) {
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var write = function (src, relative) {
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var data = compile(src);
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var dest = path.join(commander.outDir, relative);
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var up = path.normalize(dest + "/..");
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mkdirp.sync(up);
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fs.writeFileSync(dest, data);
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console.log(src + " -> " + dest);
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};
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var handle = function (filename) {
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var stat = fs.statSync(filename);
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if (stat.isDirectory(filename)) {
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var dirname = filename;
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_.each(readdirFilter(dirname), function (filename) {
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write(path.join(dirname, filename), filename);
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});
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} else {
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write(filename, filename);
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}
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};
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_.each(filenames, handle);
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} else {
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var data = [];
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var _filenames = filenames;
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filenames = [];
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_.each(_filenames, function (filename) {
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var stat = fs.statSync(filename);
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if (stat.isDirectory()) {
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var dirname = filename;
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_.each(readdirFilter(filename), function (filename) {
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filenames.push(path.join(dirname, filename));
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});
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} else {
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filenames.push(filename);
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}
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});
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_.each(filenames, function (filename) {
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data.push(compile(filename) + "\n");
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});
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data = data.join("");
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if (commander.outFile) {
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fs.writeFileSync(commander.out, data);
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} else {
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console.log(data);
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}
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}
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