jquery/build/tasks/dist.js

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"use strict";
module.exports = function( grunt ) {
const fs = require( "fs" );
const filename = grunt.option( "filename" );
const distPaths = [
`dist/${ filename }`,
`dist/${ filename.replace( ".js", ".min.js" ) }`,
`dist/${ filename.replace( ".js", ".min.map" ) }`
];
// Process files for distribution
grunt.registerTask( "dist", function() {
let stored, flags, paths, nonascii;
// Check for stored destination paths
// ( set in dist/.destination.json )
stored = Object.keys( grunt.config( "dst" ) );
// Allow command line input as well
flags = Object.keys( this.flags );
// Combine all output target paths
paths = [].concat( stored, flags ).filter( function( path ) {
return path !== "*";
} );
// Ensure the dist files are pure ASCII
nonascii = false;
distPaths.forEach( function( filename ) {
let i, c;
const text = fs.readFileSync( filename, "utf8" );
// Ensure files use only \n for line endings, not \r\n
if ( /\x0d\x0a/.test( text ) ) {
grunt.log.writeln( filename + ": Incorrect line endings (\\r\\n)" );
nonascii = true;
}
// Ensure only ASCII chars so script tags don't need a charset attribute
if ( text.length !== Buffer.byteLength( text, "utf8" ) ) {
grunt.log.writeln( filename + ": Non-ASCII characters detected:" );
for ( i = 0; i < text.length; i++ ) {
c = text.charCodeAt( i );
if ( c > 127 ) {
grunt.log.writeln( "- position " + i + ": " + c );
grunt.log.writeln( "-- " + text.substring( i - 20, i + 20 ) );
break;
}
}
nonascii = true;
}
// Optionally copy dist files to other locations
paths.forEach( function( path ) {
let created;
if ( !/\/$/.test( path ) ) {
path += "/";
}
created = path + filename.replace( "dist/", "" );
grunt.file.write( created, text );
grunt.log.writeln( "File '" + created + "' created." );
} );
} );
return !nonascii;
} );
};