caffeine-mc/build/CaffeineMc/CompileCache.js

Select, configure and extend your to-JavaScript compiler, with arbitrary code, on a per file bases from within the file.

"use strict"
let Caf = require('caffeine-script-runtime');
Caf.defMod(module, () => {return Caf.importInvoke(["BaseClass", "getTempDir", "path", "isString", "crypto", "Error", "formattedInspect", "findSourceRootSync", "consistentJsonStringify", "log", "fs", "JSON", "merge", "currentSecond", "findModuleSync", "glob", "Promise"], [global, require('./StandardImport'), require('./SourceRoots'), require('./ModuleResolver'), require('../MockableTempDir'), {crypto: require('crypto')}], (BaseClass, getTempDir, path, isString, crypto, Error, formattedInspect, findSourceRootSync, consistentJsonStringify, log, fs, JSON, merge, currentSecond, findModuleSync, glob, Promise) => {let CompileCache; return CompileCache = Caf.defClass(class CompileCache extends BaseClass {}, function(CompileCache, classSuper, instanceSuper) {this.compileCacheFileNameRoot = "CaffeineMcCompileCache"; this.classGetter({compileCachePathRoot: function() {return getTempDir();}, compileCacheFilePathRoot: function() {let temp; return ((temp = this._compileCacheFilePathRoot) != null ? temp : this._compileCacheFilePathRoot = path.join(this.compileCachePathRoot, this.compileCacheFileNameRoot));}}); this.compilerSupportsCaching = function(compiler) {return isString(compiler.version) && this.getCompilerName(compiler);}; this.getCompilerName = function(compiler) {return Caf.isF(compiler.getName) && compiler.getName() || compiler.name;}; this.getCompilerSignature = function(compiler) {return `${Caf.toString(this.getCompilerName(compiler))}-${Caf.toString(compiler.version)}`;}; this.makeSha256FilenameFriendly = function(sha256String) {return sha256String.replace(/[\/+=]/g, "-");}; this.hashSource = function(source) {return this.makeSha256FilenameFriendly(crypto.createHmac("sha256", "no need for a real secret").update(source).digest("base64").split("=")[0]);}; this.getFileName = function(cachedFileKey) {let compiler, source, sourceFile, compilerOptions, sourceRoot, relativeSourceFile; ({compiler, source, sourceFile, compilerOptions} = cachedFileKey); if (!(compiler && sourceFile && source != null)) {throw new Error("expecting compiler, source and sourceFile: " + formattedInspect({compiler, source, sourceFile}));}; if (!this.compilerSupportsCaching(compiler)) {return null;}; sourceRoot = findSourceRootSync(sourceFile); if (!sourceRoot) {throw new Error(`Could not findSourceRootSync for ${Caf.toString(sourceFile)}`);}; relativeSourceFile = path.relative(sourceRoot, sourceFile); source = `# sourceFile: ${Caf.toString(relativeSourceFile)}\n# compilerOptions: ${Caf.toString(consistentJsonStringify(compilerOptions != null ? compilerOptions : null))}\n${Caf.toString(source)}`; return ([this.compileCacheFilePathRoot, path.basename(sourceRoot).replace(/\./g, "-"), path.basename(sourceFile).replace(/\./g, "-"), this.getCompilerSignature(compiler), this.hashSource(source)]).join("_") + ".json";}; this.cache = function(cachedFileKey) {let fileName, source, compiled, props; if (fileName = this.getFileName(cachedFileKey)) {({source, compiled, props} = cachedFileKey); if (cachedFileKey.verbose) {log({caching: cachedFileKey.sourceFile});}; fs.writeFileSync(fileName, JSON.stringify(merge({source, compiled, props})));}; return cachedFileKey;}; this.fetch = function(cachedFileKey) {let start, fileName, cacheContents; start = currentSecond(); return (fileName = this.getFileName(cachedFileKey)) ? fs.existsSync(fileName) ? ((cacheContents = (() => {try {return JSON.parse(fs.readFileSync(fileName));} catch (error) {};})()) && (cacheContents.source === cachedFileKey.source && this.dependenciesUnchanged(cachedFileKey, cacheContents.props))) ? (cacheContents.cached = true, cacheContents) : undefined : undefined : undefined;}; this.dependenciesUnchanged = function(cachedFileKey, props) {return !Caf.find(Caf.exists(props) && props.moduleDependencies, (cachedRequireString, sourceString) => findModuleSync(sourceString, {sourceFile: cachedFileKey.sourceFile}).requireString !== cachedRequireString);}; this.reset = function(verbose) {return glob(this.compileCacheFilePathRoot + "*").then((list) => Promise.all(Caf.array(list, (item) => Promise.resolve(item).then((item) => fs.unlink(item)).tap(() => verbose ? log(("cache-reset: ").gray + item.green + (" (deleted)").gray) : undefined))));};});});});
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