const fs = require('fs'); const path = require('path'); const readline = require('readline'); const utils = require('./utils.js'); exports.process = async function(root, options) { const macroPrefix = options.prefix || '#'; const entryPoint = options.entry || ''; root = fs.realpathSync(root); const included = []; const processFile = async function(fileName) { const fullPath = path.join(root, fileName); if(included.includes(fullPath)) return ''; included.push(fullPath); if(!fullPath.startsWith(root)) return '/* *** INVALID PATH: ' + fullPath + ' */'; if(!fs.existsSync(fullPath)) return '/* *** FILE NOT FOUND: ' + fullPath + ' */'; const lines = readline.createInterface({ input: fs.createReadStream(fullPath), crlfDelay: Infinity, }); let output = ''; let lastWasEmpty = false; if(options.showPath) output += "/* *** PATH: " + fullPath + " */\n"; for await(const line of lines) { const lineTrimmed = utils.trim(line); if(lineTrimmed === '') continue; if(line.startsWith(macroPrefix)) { const args = lineTrimmed.split(' '); const macro = utils.trim(utils.trimStart(args.shift(), macroPrefix)); switch(macro) { case 'comment': break; case 'include': { const includePath = utils.trimEnd(args.join(' '), ';'); output += utils.trim(await processFile(includePath)); output += "\n"; break; } case 'buildvars': if(typeof options.buildVars === 'object') { const bvTarget = options.buildVarsTarget || 'window'; const bvProps = []; for(const bvName in options.buildVars) bvProps.push(`${bvName}: { value: ${JSON.stringify(options.buildVars[bvName])} }`); if(Object.keys(bvProps).length > 0) output += `Object.defineProperties(${bvTarget}, { ${bvProps.join(', ')} });\n`; } break; default: output += line; output += "\n"; break; } } else { output += line; output += "\n"; } } return output; }; return await processFile(entryPoint); }; exports.housekeep = function(assetsPath) { const files = fs.readdirSync(assetsPath).map(fileName => { const stats = fs.statSync(path.join(assetsPath, fileName)); return { name: fileName, lastMod: stats.mtimeMs, }; }).sort((a, b) => b.lastMod - a.lastMod).map(info => info.name); const regex = /^(.+)[\-\.]([a-f0-9]+)\.(.+)$/i; const counts = {}; for(const fileName of files) { const match = fileName.match(regex); if(match) { const name = match[1] + '-' + match[3]; counts[name] = (counts[name] || 0) + 1; if(counts[name] > 5) fs.unlinkSync(path.join(assetsPath, fileName)); } else console.log(`Encountered file name in assets folder with unexpected format: ${fileName}`); } };