138 lines
3.2 KiB
JavaScript
138 lines
3.2 KiB
JavaScript
/**
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* @license Apache-2.0
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*
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* Copyright (c) 2020 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var resolve = require( 'path' ).resolve;
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var logger = require( 'debug' );
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var readDir = require( '@stdlib/fs/read-dir' ).sync;
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var exists = require( '@stdlib/fs/exists' ).sync;
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var writeFile = require( '@stdlib/fs/write-file' ).sync;
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var isPRNGLike = require( '@stdlib/assert/is-prng-like' );
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var licenseHeader = require( '@stdlib/_tools/licenses/header' );
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// VARIABLES //
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var debug = logger( 'reviver:build' );
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var OPTS = {
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'encoding': 'utf8'
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};
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var SPDX = 'Apache-2.0';
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var YEAR = (new Date()).getFullYear();
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var COPYRIGHT = 'The Stdlib Authors';
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// FUNCTIONS //
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/**
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* Main execution sequence.
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*
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* @private
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*/
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function main() {
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var dpath;
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var fpath;
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var opath;
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var tmp1;
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var tmp2;
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var prng;
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var dirs;
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var pkgs;
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var str;
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var err;
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var pkg;
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var p;
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var i;
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dpath = resolve( __dirname, '..', '..' );
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debug( 'Reading namespace directory contents: %s', dpath );
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dirs = readDir( dpath );
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if ( dirs instanceof Error ) {
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debug( 'Encountered an error when attempting to read namespace directory contents: %s', err.message );
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return;
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}
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debug( 'Finding packages...' );
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pkgs = [];
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for ( i = 0; i < dirs.length; i++ ) {
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p = resolve( dpath, dirs[ i ] );
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fpath = resolve( p, 'package.json' );
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if ( exists( fpath ) ) {
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prng = require( p ); // eslint-disable-line stdlib/no-dynamic-require
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if ( isPRNGLike( prng ) ) {
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pkg = require( fpath ); // eslint-disable-line stdlib/no-dynamic-require
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pkgs.push( [ pkg.name, prng.NAME ] );
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}
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}
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}
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debug( 'Found %d packages.', pkgs.length );
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debug( 'Generating script...' );
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str = '';
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str += licenseHeader( SPDX, 'js', {
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'year': YEAR,
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'copyright': COPYRIGHT
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});
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str += '\n';
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str += '// This file is generated using `scripts/build.js`.\n\n';
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str += '\'use strict\';\n';
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str += '\n';
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str += '// MODULES //\n';
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str += '\n';
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tmp1 = [];
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tmp2 = [];
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for ( i = 0; i < pkgs.length; i++ ) {
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pkg = pkgs[ i ];
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tmp1.push( 'var prng'+i+' = require( \''+pkg[ 0 ]+'\' );' );
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tmp2.push( 'prngs[ \''+pkg[ 1 ]+'\' ] = prng'+i+'.factory;' );
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}
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str += tmp1.join( '\n' );
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str += '\n';
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str += '\n';
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str += '\n';
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str += '// MAIN //\n';
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str += '\n';
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str += 'var prngs = {};\n';
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str += tmp2.join( '\n' );
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str += '\n';
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str += '\n';
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str += '\n';
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str += '// EXPORTS //\n';
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str += '\n';
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str += 'module.exports = prngs;\n';
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opath = resolve( __dirname, '..', 'lib', 'prngs.js' );
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debug( 'Writing script to file: %s', opath );
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err = writeFile( opath, str, OPTS );
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if ( err ) {
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debug( 'Encountered an error when attempting to write script to file: %s', err.message );
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return;
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}
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debug( 'Successfully wrote script to file.' );
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}
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// MAIN //
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main();
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