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77 lines
1.4 KiB
77 lines
1.4 KiB
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import { write, close } from 'node:fs'; |
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import { spawn } from 'node:child_process'; |
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import { file } from 'tmp-promise'; |
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import { renderFile } from './src/template_engine.js'; |
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if (process.argv.length <= 2) { |
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console.error( |
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`Usage: n0m [options] template_file.n0m\n` + |
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`Options:\n` + |
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` -c compile (by default the script will be executed)` |
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) |
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process.exit(1); |
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} |
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let compileOnly = false; |
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const args = process.argv |
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.slice(2) |
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.filter(arg => { |
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if (arg.toLocaleLowerCase() === '-c') { |
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compileOnly = true; |
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return false; |
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} |
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return true; |
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}); |
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const fileName = args[0]; |
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const scriptArgs = args.slice(1); |
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const rendered = await renderFile(fileName); |
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if (compileOnly) { |
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process.stdout.write(rendered); |
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process.exit(0); |
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} |
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// Create temporary file |
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const { fd, path, cleanup } = await file({ |
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mode: 0o744, |
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detachDescriptor: true |
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}); |
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// Write script to temporary file and close file if successful |
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await new Promise((resolve, reject) => { |
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write(fd, rendered, async writeErr => { |
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if (writeErr) { |
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reject(writeErr); |
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return; |
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} |
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close(fd, (closeErr) => { |
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if (closeErr) { |
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reject(closeErr); |
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return; |
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} |
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resolve(); |
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}); |
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}); |
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}); |
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// Spawn child process to execute script |
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let child = spawn( |
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path, |
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scriptArgs, { |
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stdio: 'inherit', |
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argv0: fileName |
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} |
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); |
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// Clean up temporary files once the child exits |
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child.on('exit', async () => { |
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await cleanup(); |
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});
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