Trim library footprint and target ES2020

Author: oleavr

Herebyfile.mjs

@@ -172,7 +172,7 @@ function createBundler(entrypoint, outfile, taskOptions = {}) {
             bundle: true,
             outfile,
             platform: "node",
-            target: "es2018",
+            target: "es2020",
             format: "cjs",
             sourcemap: "linked",
             sourcesContent: false,
@@ -187,8 +187,6 @@ function createBundler(entrypoint, outfile, taskOptions = {}) {
             options.format = "iife";
             // Name the variable ts, matching our old big bundle and so we can use the code below.
             options.globalName = "ts";
-            // If we are in a CJS context, export the ts namespace.
-            options.footer = { js: `\nif (typeof module !== "undefined" && module.exports) { module.exports = ts; }` };
 
             // esbuild converts calls to "require" to "__require"; this function
             // calls the real require if it exists, or throws if it does not (rather than

src/tsconfig-base.json

@@ -4,8 +4,8 @@
         "outDir": "../built/local",
 
         "pretty": true,
-        "lib": ["es2018"],
-        "target": "es2018",
+        "lib": ["es2020"],
+        "target": "es2020",
         "module": "CommonJS",
         "moduleResolution": "node",
 

src/typescript/_namespaces/ts.ts

@@ -1,6 +1,3 @@
 /* Generated file to emulate the ts namespace. */
 
 export * from "../../compiler/_namespaces/ts";
-export * from "../../jsTyping/_namespaces/ts";
-export * from "../../services/_namespaces/ts";
-export * from "../../deprecatedCompat/_namespaces/ts";

src/typescript/typescript.ts

@@ -1,13 +1,10 @@
-import {
-    Debug,
-    LogLevel,
-} from "./_namespaces/ts";
 import * as ts from "./_namespaces/ts";
 
 // enable deprecation logging
 declare const console: any;
 if (typeof console !== "undefined") {
-    Debug.loggingHost = {
+    const { LogLevel } = ts;
+    ts.Debug.loggingHost = {
         log(level, s) {
             switch (level) {
                 case LogLevel.Error: return console.error(s);