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