78 lines
2.0 KiB
JavaScript
78 lines
2.0 KiB
JavaScript
/**
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* External dependencies
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*/
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const fs = require( 'fs' );
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const { execSync } = require( 'child_process' );
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const path = require( 'path' );
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const chalk = require( 'chalk' );
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const watch = require( 'node-watch' );
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/**
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* Internal dependencies
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*/
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const getPackages = require( './get-packages' );
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const BUILD_CMD = `node ${ path.resolve( __dirname, './build.js' ) }`;
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let filesToBuild = new Map();
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const exists = ( filename ) => {
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try {
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return fs.statSync( filename ).isFile();
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} catch ( e ) {}
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return false;
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};
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// Exclude deceitful source-like files, such as editor swap files.
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const isSourceFile = ( filename ) => {
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return /.\.(js|scss)$/.test( filename );
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};
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const rebuild = ( filename ) => filesToBuild.set( filename, true );
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getPackages().forEach( ( p ) => {
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const srcDir = path.resolve( p, 'src' );
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try {
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fs.accessSync( srcDir, fs.F_OK );
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watch( path.resolve( p, 'src' ), { recursive: true }, ( event, filename ) => {
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const filePath = path.resolve( srcDir, filename );
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if ( ! isSourceFile( filename ) ) {
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return;
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}
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if ( ( [ 'update', 'change', 'rename' ].includes( event ) ) && exists( filePath ) ) {
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// eslint-disable-next-line no-console
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console.log( chalk.green( '->' ), `${ event }: ${ filename }` );
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rebuild( filePath );
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} else {
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const buildFile = path.resolve( srcDir, '..', 'build', filename );
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try {
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fs.unlinkSync( buildFile );
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process.stdout.write(
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chalk.red( ' \u2022 ' ) +
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path.relative( path.resolve( srcDir, '..', '..' ), buildFile ) +
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' (deleted)' +
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'\n'
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);
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} catch ( e ) {}
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}
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} );
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} catch ( e ) {
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// doesn't exist
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}
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} );
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setInterval( () => {
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const files = Array.from( filesToBuild.keys() );
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if ( files.length ) {
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filesToBuild = new Map();
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try {
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execSync( `${ BUILD_CMD } ${ files.join( ' ' ) }`, { stdio: [ 0, 1, 2 ] } );
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} catch ( e ) {}
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}
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}, 100 );
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// eslint-disable-next-line no-console
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console.log( chalk.red( '->' ), chalk.cyan( 'Watching for changes...' ) );
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