commit
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11
README.md
11
README.md
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@ -150,6 +150,17 @@ Emacs users should see [this
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folder](https://github.com/jlongster/prettier/tree/master/editors/emacs)
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for on-demand formatting.
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### Vim
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Vim users can add the following to their `.vimrc`:
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```
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autocmd FileType javascript set formatprg=prettier\ --stdin
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```
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This makes Prettier power the [`gq` command](http://vimdoc.sourceforge.net/htmldoc/change.html#gq)
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for automatic formatting without any plugins.
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More editors are coming soon.
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## Language Support
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@ -2,11 +2,12 @@
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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 jscodefmt = require("../index");
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const argv = minimist(process.argv.slice(2), {
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boolean: ["write", "flow-parser", "bracket-spacing", "single-quote", "trailing-comma"],
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boolean: ["write", "stdin", "flow-parser", "bracket-spacing", "single-quote", "trailing-comma"],
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default: {
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"bracket-spacing": true
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}
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@ -14,12 +15,14 @@ const argv = minimist(process.argv.slice(2), {
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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) {
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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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" --flow-parser Use the flow parser instead of babylon\n" +
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@ -30,45 +33,61 @@ if (!filenames.length) {
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process.exit(1);
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}
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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(file);
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}
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function format(input) {
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return jscodefmt.format(input, {
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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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useFlowParser: argv["flow-parser"],
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singleQuote: argv["single-quote"],
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trailingComma: argv["trailing-comma"]
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});
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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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if (stdin) {
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getStdin().then(input => {
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try {
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output = jscodefmt.format(input, {
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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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useFlowParser: argv["flow-parser"],
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singleQuote: argv["single-quote"],
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trailingComma: argv["trailing-comma"]
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});
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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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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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} 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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@ -9,6 +9,7 @@
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"ast-types": "git+https://github.com/jlongster/ast-types.git",
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"babylon": "^6.15.0",
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"flow-parser": "^0.37.0",
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"get-stdin": "^5.0.1",
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"minimist": "^1.2.0",
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"private": "^0.1.6",
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"recast": "^0.11.18",
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