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| /** | |
| * Author: ChenyChen, JCloudYu | |
| * Create: 2020/01/29 | |
| **/ | |
| const os = require('os'); | |
| const fs = require('fs'); | |
| const path = require('path'); | |
| const readline = require('readline'); | |
| (async()=>{ | |
| 'use strict'; | |
| if( process.argv.length < 3 ){ | |
| return console.error('** Missing Directory and Destination Filename!'); | |
| } | |
| const named_map = {}, unnamed_pool = []; | |
| const arrayFiles = await ReadMainFolder(process.argv[2]); | |
| for( const file of arrayFiles ){ | |
| ParseFile(file, named_map, unnamed_pool); | |
| } | |
| const output_map = [ | |
| { template:"./tmpl1.js", output:"./output.js" } | |
| ]; | |
| const TemplateResolver = global.BuildTemplate = function(strings, ...dynamics) { | |
| if ( this instanceof TemplateResolver) { | |
| this.statics = strings; | |
| this.dynamics = dynamics; | |
| return; | |
| } | |
| return new TemplateResolver(strings, ...dynamics); | |
| }; | |
| for(const {template:_tmpl_name, output:_out_name} of output_map) { | |
| try { | |
| const out_file = path.resolve(__dirname, _out_name); | |
| const write_stream = fs.createWriteStream(out_file, {flags: 'w'}); | |
| const tmpl_name = path.resolve(__dirname, _tmpl_name); | |
| const tmpl = require(tmpl_name); | |
| if ( tmpl instanceof TemplateResolver ) { | |
| const {statics, dynamics} = tmpl; | |
| await WriteToStream(write_stream, statics[0]); | |
| for ( let i=1; i<statics.length; i++ ) { | |
| const dynamic_content = dynamics[i-1]; | |
| if ( typeof dynamic_content !== "string" ) { | |
| await WriteToStream(write_stream, ''+dynamic_content); | |
| await WriteToStream(write_stream, statics[i]); | |
| continue; | |
| } | |
| const important = dynamic_content[0]==='!'; | |
| const optional = dynamic_content[0]==='?'; | |
| const key = (important||optional) ? dynamic_content.substring(1) : dynamic_content; | |
| const code_segment = named_map[key]; | |
| if ( code_segment !== undefined ) { | |
| await WriteToStream(write_stream, code_segment); | |
| } | |
| else | |
| if ( important ) { | |
| throw new Error(`Missing required named block \`${key}\``); | |
| } | |
| else { | |
| if ( !optional ) { | |
| console.error(`Mismatched named block \`${key}\``); | |
| } | |
| await WriteToStream(write_stream, ''); | |
| } | |
| await WriteToStream(write_stream, statics[i]); | |
| } | |
| } | |
| for ( const code_segment of unnamed_pool ) { | |
| await WriteToStream(write_stream, code_segment); | |
| } | |
| await CloseStream(write_stream); | |
| } | |
| catch(e) { | |
| console.error(e); | |
| } | |
| } | |
| function WriteToStream(stream, data) { | |
| return new Promise((resolve, reject)=>{ | |
| const should_wait = stream.write(data, ()=>resolve(true)); | |
| if ( !should_wait ) { | |
| reject(false); | |
| } | |
| }); | |
| } | |
| function CloseStream(stream) { | |
| return new Promise((resolve, reject)=>stream.end(resolve)); | |
| } | |
| async function ReadMainFolder(folder, arrayFiles = [], arrayFolder = []){ | |
| fs.readdirSync(folder, {withFileTypes: true}).forEach(filename=>{ | |
| if( filename.isDirectory() && !/^\..*|test*/.test(filename.name) ){ | |
| arrayFolder.push(path.join(folder, filename.name)); | |
| } | |
| if( !filename.isDirectory() && filename.name.indexOf('.js') > 0 ){ | |
| arrayFiles.push(path.join(folder, filename.name)); | |
| } | |
| }); | |
| if( arrayFolder.length > 0 ){ | |
| const temp = await ReadMainFolder(arrayFolder[0], arrayFiles); | |
| arrayFiles.concat(temp); | |
| } | |
| console.log('** The List of Files'); | |
| console.log(arrayFiles); | |
| return arrayFiles | |
| } | |
| function ParseFile(filePath, named, unnamed){ | |
| const readInterface = readline.createInterface({ | |
| input: fs.createReadStream(filePath), | |
| }); | |
| readInterface.on('line', generateContain); | |
| let flag = false, splitByEqualsSign = [], temp_unamed = ''; | |
| function generateContain(line){ | |
| if( line.indexOf('//@export') > -1 ){ | |
| splitByEqualsSign = line.split('='); | |
| line = os.EOL; | |
| flag = true; | |
| } | |
| else if( line.indexOf('//@endexport') > -1 ){ | |
| line = line.replace('//@endexport', ''); | |
| flag = false; | |
| if(temp_unamed){ | |
| unnamed.push(temp_unamed); | |
| temp_unamed = ''; | |
| } | |
| } | |
| if( flag ){ | |
| line = line.trim() + os.EOL; | |
| if( splitByEqualsSign[1] && !named.hasOwnProperty(splitByEqualsSign[1]) ){ | |
| named[splitByEqualsSign[1]] = ''; | |
| } | |
| else if( splitByEqualsSign.length > 1 && splitByEqualsSign[1] ){ | |
| named[splitByEqualsSign[1]] += line; | |
| } | |
| else if( line != os.EOL ){ | |
| temp_unamed += line; | |
| } | |
| } | |
| } | |
| } | |
| })(); |
Author
node embedded-script-packer.js <folder name> <template filename> -d <destination filename>
打錯了喔！是
node embedded-script-packer.js <source folder path> <template file path> [-d <additional source folder path>] [-o <output file path>]
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node embedded-script-packer.js <folder name> <template filename> -d <destination filename>