perf(compiler): improve loading performance

Author: lokesh-coder

packages/compiler/package.json

@@ -4,7 +4,7 @@
  "description": "",
  "main": "dist/index.js",
  "scripts": {
- "build": "rm -rf ./dist && tsc --build"
+ "build": "rm -rf ./dist && tsc --build tsconfig.build.json"
  },
  "keywords": [
  "compiler",
@@ -20,7 +20,7 @@
  "dependencies": {
  "@lesy/core": "^1.0.0-beta.7",
  "@lesy/lesy-plugin-sidekick": "^1.0.0-beta.7",
- "ts-node": "^8.10.1",
+ "ts-node": "^9.0.0",
  "tsconfig-paths": "^3.9.0"
  },
  "publishConfig": {

packages/compiler/src/index.ts

@@ -1,5 +1,5 @@
 import { existsSync } from "fs";
-
+import { LesyCoreClass } from "@lesy/core";
 class LesyCompiler {
  opts: any = {
  isTypescriptApp: false,
@@ -18,24 +18,24 @@ class LesyCompiler {
  private tsConfigPath = null;
 
  exec(opts = {}) {
- this.opts = { ...this.opts, ...opts };
- const {
- isTypescriptApp,
- root,
- srcFilePath,
- tsFlag,
- loadDefaultPlugins,
- customTsConfig,
- ...src
- } = this.opts;
- const hasSrcData = Object.keys(src).length > 0;
- const hasBuildDir = existsSync(`${root}/dist`);
- const shouldRunTSCode = process.argv.includes(tsFlag);
+ Object.assign(this.opts, opts);
+ const src = {
+ commands: this.opts.commands || [],
+ middlewares: this.opts.middlewares || [],
+ features: this.opts.features || [],
+ plugins: this.opts.plugins || [],
+ config: this.opts.config || {},
+ validators: this.opts.validators || [],
+ };
+ const hasSrcData = this.opts.commands;
  let mainFilePath: string;
  process.env.LESY_LANG = "js";
- if (!isTypescriptApp) {
- mainFilePath = !hasSrcData && require.resolve(root);
+ if (!this.opts.isTypescriptApp) {
+ mainFilePath = !hasSrcData && require.resolve(this.opts.root);
  } else {
+ const { root, tsFlag, srcFilePath, customTsConfig } = this.opts;
+ const hasBuildDir = existsSync(`${root}/dist`);
+ const shouldRunTSCode = process.argv.includes(tsFlag);
  if ((hasBuildDir && shouldRunTSCode) || !hasBuildDir) {
  // run src
  process.env.LESY_LANG = "ts";
@@ -48,7 +48,6 @@ class LesyCompiler {
  mainFilePath = !hasSrcData && require.resolve(root);
  }
  }
-
  return this.runApp(hasSrcData ? src : require(mainFilePath));
  }
 
@@ -71,33 +70,30 @@ class LesyCompiler {
  }
 
  private runApp(appData) {
- const { LesyCore, LesyCoreClass } = require("@lesy/core");
- const { root } = this.opts;
- Object.assign(appData, this.includeEssentials(appData));
-
+ this.includeEssentials(appData);
+ appData.root = this.opts.root;
  const lesy = new LesyCoreClass()
- .bootstrap({ ...appData, root })
+ .bootstrap(appData)
  .catch((e: any) => console.log("LESY ERROR:", e));
-
  return {
  parse: (argv: string[]) =>
- lesy.then((l) => {
+ lesy.then((l: any) => {
  if (global["lesyWorkspace"]) return l;
  return l.run(argv || process.argv.slice(2));
  }),
  };
  }
 
  private includeEssentials(appData) {
- let { plugins = [], config = {} } = appData;
  if (this.opts.loadDefaultPlugins) {
- plugins = [
+ appData.plugins = [
  ...this.defaultPlugins.map((p: string) => require.resolve(p)),
- ...plugins,
+ ...appData.plugins,
  ];
  }
- config = { ...this.defaultConfig, ...config };
- return { ...appData, plugins, config };
+ const config = this.defaultConfig;
+ for (const prop in appData.config) config[prop] = appData.config[prop];
+ appData.config = config;
  }
 }
 

packages/compiler/tsconfig.build.json

@@ -0,0 +1,6 @@
+{
+ "extends": "./tsconfig.json",
+ "compilerOptions": {
+ "paths": {}
+ }
+}

packages/compiler/tsconfig.json

@@ -12,7 +12,11 @@
  "importHelpers": false,
  "moduleResolution": "node",
  "allowSyntheticDefaultImports": true,
- "esModuleInterop": true
+ "esModuleInterop": true,
+ "baseUrl": "./",
+ "paths": {
+ "@lesy/core": ["../core/src/index.ts"]
+ }
  },
  "exclude": ["node_modules", "__tests__"],
  "compileOnSave": false