92 lines
2.4 KiB
JavaScript
92 lines
2.4 KiB
JavaScript
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#!/usr/bin/env node
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var fs = require('fs');
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var JSONStream = require('JSONStream');
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var through = require('through2');
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var mkdirp = require('mkdirp');
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var path = require('path');
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var b = require('./args')(process.argv.slice(2));
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process.stdout.on('error', process.exit);
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if ((b.argv._[0] === 'help' && b.argv._[1]) === 'advanced'
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|| (b.argv.h || b.argv.help) === 'advanced') {
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return fs.createReadStream(__dirname + '/advanced.txt')
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.pipe(process.stdout)
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.on('close', function () { process.exit(1) })
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;
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}
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if (b.argv._[0] === 'help' || b.argv.h || b.argv.help
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|| (process.argv.length <= 2 && process.stdin.isTTY)) {
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return fs.createReadStream(__dirname + '/usage.txt')
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.pipe(process.stdout)
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.on('close', function () { process.exit(1) })
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;
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}
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if (b.argv.version) {
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return console.log(require('../package.json').version);
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}
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b.on('error', errorExit);
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if (b.argv.pack) {
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process.stdin.pipe(b.pack()).pipe(process.stdout);
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process.stdin.resume();
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return;
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}
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if (b.argv.deps) {
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var stringify = JSONStream.stringify();
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stringify.pipe(process.stdout);
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b.pipeline.get('deps').push(through.obj(
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function (row, enc, next) { stringify.write(row); next() },
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function () { stringify.end() }
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));
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return b.bundle();
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}
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if (b.argv.list) {
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b.pipeline.get('deps').push(through.obj(
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function (row, enc, next) {
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console.log(row.file || row.id);
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next()
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}
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));
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return b.bundle();
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}
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var bundle = b.bundle();
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bundle.on('error', errorExit);
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bundle.on('end', successExit);
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var tmpfile;
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var outfile = b.argv.o || b.argv.outfile;
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if (outfile) {
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mkdirp.sync(path.dirname(outfile));
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// we'll output to a temp file within same filesystem, then atomically overwrite outfile once successful
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tmpfile = outfile + ".tmp-browserify-" + Math.random().toFixed(20).slice(2)
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bundle.pipe(fs.createWriteStream(tmpfile));
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}
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else {
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bundle.pipe(process.stdout);
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}
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function errorExit(err) {
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if (tmpfile) fs.unlink(tmpfile, function (err) {
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if (err) /* no-op, we're already exiting unhappily… */;
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});
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if (err.stack) {
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console.error(err.stack);
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}
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else {
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console.error(String(err));
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}
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process.exit(1);
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}
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function successExit() {
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if (tmpfile && outfile) fs.rename(tmpfile, outfile, function (err) {
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if (err) errorExit(err);
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});
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}
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