92 lines
2.5 KiB
JavaScript
92 lines
2.5 KiB
JavaScript
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#!/usr/bin/env node
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/**
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* External dependencies
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*/
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const execSync = require( 'child_process' ).execSync;
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const spawnSync = require( 'child_process' ).spawnSync;
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const chalk = require( 'chalk' );
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const fs = require( 'fs' );
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const prettier = require( 'prettier' );
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/**
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* Module constants
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*/
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const defaultPrettierConfig = undefined;
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const sassPrettierConfig = { parser: 'scss' };
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console.log(
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'\nBy contributing to this project, you license the materials you contribute ' +
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'under the GNU General Public License v2 (or later). All materials must have ' +
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'GPLv2 compatible licenses — see .github/CONTRIBUTING.md for details.\n\n'
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);
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/**
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* Parses the output of a git diff command into javascript file paths.
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*
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* @param {String} command Command to run. Expects output like `git diff --name-only […]`
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* @returns {Array} Paths output from git command
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*/
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function parseGitDiffToPathArray( command ) {
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return execSync( command )
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.toString()
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.split( '\n' )
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.map( name => name.trim() )
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.filter(
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name => name.endsWith( '.js' ) || name.endsWith( '.jsx' ) || name.endsWith( '.scss' )
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);
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}
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const dirtyFiles = new Set( parseGitDiffToPathArray( 'git diff --name-only --diff-filter=ACM' ) );
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const files = parseGitDiffToPathArray( 'git diff --cached --name-only --diff-filter=ACM' );
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// run prettier for any files in the commit that have @format within their first docblock
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files.forEach( file => {
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if ( 0 === file.indexOf( 'bin/' ) ) {
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return;
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}
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const text = fs.readFileSync( file, 'utf8' );
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// File has unstaged changes. It's a bad idea to modify and add it before commit.
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if ( dirtyFiles.has( file ) ) {
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console.log(
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chalk.red( `${ file } will not be auto-formatted because it has unstaged changes.` )
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);
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return;
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}
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const formattedText = prettier.format(
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text,
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file.endsWith( '.scss' ) ? sassPrettierConfig : defaultPrettierConfig
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);
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// No change required.
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if ( text === formattedText ) {
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return;
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}
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fs.writeFileSync( file, formattedText );
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console.log( `Prettier formatting file: ${ file }` );
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execSync( `git add ${ file }` );
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} );
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// linting should happen after formatting
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const lintResult = spawnSync(
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'eslint',
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[ ...files.filter( file => ! file.endsWith( '.scss' ) ), '--', '--diff=index' ],
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{
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shell: true,
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stdio: 'inherit',
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}
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);
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if ( lintResult.status ) {
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console.log(
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chalk.red( 'COMMIT ABORTED:' ),
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'The linter reported some problems. ' +
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'If you are aware of them and it is OK, ' +
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'repeat the commit command with --no-verify to avoid this check.'
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);
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process.exit( 1 );
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}
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