111 lines
3.3 KiB
JavaScript
111 lines
3.3 KiB
JavaScript
const logger = require('logplease').create('runtime');
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const semver = require('semver');
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const config = require('./config');
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const globals = require('./globals');
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const fss = require('fs');
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const path = require('path');
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const runtimes = [];
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class Runtime {
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constructor({language, version, aliases, pkgdir, runtime}){
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this.language = language;
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this.version = version;
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this.aliases = aliases || [];
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this.pkgdir = pkgdir;
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this.runtime = runtime;
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}
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static load_package(package_dir){
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let info = JSON.parse(
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fss.read_file_sync(path.join(package_dir, 'pkg-info.json'))
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);
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let { language, version, build_platform, aliases, provides } = info;
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version = semver.parse(version);
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if (build_platform !== globals.platform) {
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logger.warn(
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`Package ${language}-${version} was built for platform ${build_platform}, ` +
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`but our platform is ${globals.platform}`
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);
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}
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if(provides){
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// Multiple languages in 1 package
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provides.forEach(lang => {
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runtimes.push(new Runtime({
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language: lang.language,
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aliases: lang.aliases,
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version,
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pkgdir: package_dir,
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runtime: language
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}));
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});
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}else{
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runtimes.push(new Runtime({
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language,
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version,
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aliases,
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pkgdir: package_dir
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}))
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}
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logger.debug(`Package ${language}-${version} was loaded`);
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}
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get compiled() {
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if (this._compiled === undefined) {
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this._compiled = fss.exists_sync(path.join(this.pkgdir, 'compile'));
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}
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return this._compiled;
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}
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get env_vars() {
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if (!this._env_vars) {
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const env_file = path.join(this.pkgdir, '.env');
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const env_content = fss.read_file_sync(env_file).toString();
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this._env_vars = {};
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env_content
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.trim()
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.split('\n')
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.map(line => line.split('=',2))
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.forEach(([key,val]) => {
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this._env_vars[key.trim()] = val.trim();
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});
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}
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return this._env_vars;
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}
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toString() {
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return `${this.language}-${this.version.raw}`;
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}
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unregister() {
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const index = runtimes.indexOf(this);
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runtimes.splice(index, 1); //Remove from runtimes list
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}
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}
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module.exports = runtimes;
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module.exports.Runtime = Runtime;
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module.exports.get_runtimes_matching_language_version = function(lang, ver){
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return runtimes.filter(rt => (rt.language == lang || rt.aliases.includes(lang)) && semver.satisfies(rt.version, ver));
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};
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module.exports.get_latest_runtime_matching_language_version = function(lang, ver){
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return module.exports.get_runtimes_matching_language_version(lang, ver)
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.sort((a,b) => semver.rcompare(a.version, b.version))[0];
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};
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module.exports.get_runtime_by_name_and_version = function(runtime, ver){
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return runtimes.find(rt => (rt.runtime == runtime || (rt.runtime === undefined && rt.language == runtime)) && semver.satisfies(rt.version, ver));
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}
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module.exports.load_package = Runtime.load_package; |