134 lines
3.5 KiB
JavaScript
Executable File
134 lines
3.5 KiB
JavaScript
Executable File
#!/usr/bin/env node
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"use strict";
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const fs = require("fs");
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const getStdin = require("get-stdin");
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const minimist = require("minimist");
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const prettier = require("../index");
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const argv = minimist(process.argv.slice(2), {
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boolean: [
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"write",
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"stdin",
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"single-quote",
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"trailing-comma",
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"bracket-spacing",
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"version",
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"debug-print-doc",
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// Deprecated in 0.0.10
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"flow-parser"
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],
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string: [ "print-width", "tab-width", "parser" ],
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default: { "bracket-spacing": true, parser: "babylon" },
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unknown: param => {
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if (param.startsWith("-")) {
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console.warn("Ignored unknown option: " + param + "\n");
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}
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}
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});
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if (argv["version"]) {
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console.log(prettier.version);
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process.exit(0);
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}
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const filenames = argv["_"];
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const write = argv["write"];
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const stdin = argv["stdin"];
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if (!filenames.length && !stdin) {
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console.log(
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"Usage: prettier [opts] [filename ...]\n\n" +
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"Available options:\n" +
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" --write Edit the file in-place. (Beware!)\n" +
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" --stdin Read input from stdin.\n" +
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" --print-width <int> Specify the length of line that the printer will wrap on. Defaults to 80.\n" +
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" --tab-width <int> Specify the number of spaces per indentation-level. Defaults to 2.\n" +
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" --single-quote Use single quotes instead of double.\n" +
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" --trailing-comma Print trailing commas wherever possible.\n" +
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" --bracket-spacing Put spaces between brackets. Defaults to true, set false to turn off.\n" +
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" --parser <flow|babylon> Specify which parse to use. Defaults to babylon.\n" +
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" --version Print prettier version."
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);
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process.exit(1);
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}
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function getParser() {
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// For backward compatibility. Deprecated in 0.0.10
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if (argv["flow-parser"]) {
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console.warn("`--flow-parser` is deprecated. Use `--parser flow` instead.");
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return "flow";
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}
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if (argv["parser"] === "flow") {
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return "flow";
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}
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return "babylon";
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}
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const options = {
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printWidth: argv["print-width"],
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tabWidth: argv["tab-width"],
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bracketSpacing: argv["bracket-spacing"],
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parser: getParser(),
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singleQuote: argv["single-quote"],
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trailingComma: argv["trailing-comma"]
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};
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function format(input) {
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if (argv["debug-print-doc"]) {
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const doc = prettier.__debug.printToDoc(input, options);
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return prettier.__debug.formatDoc(doc);
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}
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return prettier.format(input, options);
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}
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if (stdin) {
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getStdin().then(input => {
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try {
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console.log(format(input));
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} catch (e) {
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process.exitCode = 2;
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console.error(e);
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return;
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}
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});
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} else {
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filenames.forEach(filename => {
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fs.readFile(filename, "utf8", (err, input) => {
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if (write) {
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console.log(filename);
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}
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if (err) {
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console.error("Unable to read file: " + filename + "\n" + err);
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// Don't exit the process if one file failed
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process.exitCode = 2;
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return;
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}
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let output;
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try {
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output = format(input);
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} catch (e) {
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process.exitCode = 2;
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console.error(e);
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return;
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}
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if (write) {
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fs.writeFile(filename, output, "utf8", err => {
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if (err) {
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console.error("Unable to write file: " + filename + "\n" + err);
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// Don't exit the process if one file failed
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process.exitCode = 2;
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}
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});
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} else {
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console.log(output);
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}
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});
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});
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}
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