Bundle CLI to eliminate dependency conflicts (#134)

Author: marcospassos

.github/workflows/deploy-preview.yaml

@@ -39,6 +39,7 @@ jobs:
       - name: Prepare release
         run: |-
           cp package.json LICENSE README.md build/
+          npm --prefix build pkg delete dependencies
           cd build
 
       - name: Publish preview

.github/workflows/deploy-release.yaml

@@ -13,6 +13,7 @@ jobs:
         npm run graphql-codegen &&
         sed -i -e "s~\"version\": \"0.0.0-dev\"~\"version\": \"${GITHUB_REF##*/}\"~" package.json
       prepare-script: >-
-        cp package.json LICENSE README.md build/
+        cp package.json LICENSE README.md build/ &&
+        npm --prefix build pkg delete dependencies
     secrets:
       NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

eslint.config.mjs

@@ -29,6 +29,9 @@ export default defineConfig(
         files: ['tsup.config.ts'],
         rules: {
             'import/no-default-export': 'off',
+            'import-x/no-default-export': 'off',
+            'object-shorthand': 'off',
+            'func-names': 'off',
         },
     }
 );

package.json

@@ -66,7 +66,6 @@
     "is-unicode-supported": "^2.1.0",
     "jsep": "^1.4.0",
     "minimatch": "^10.0.3",
-    "node-emoji": "^2.2.0",
     "open": "^10.2.0",
     "prompts": "^2.4.2",
     "recast": "^0.23.11",

src/application/project/code/transformation/javascript/typeErasureCodemod.ts

@@ -93,6 +93,11 @@ export class TypeErasureCodemod implements Codemod<File, TypeErasureCodemodOptio
             ],
             ast: true,
             configFile: false,
+            // Skip browserslist config resolution. Without this, Babel's
+            // partial-config pipeline calls into @babel/helper-compilation-targets,
+            // which requires browserslist + baseline-browser-mapping (~170KB
+            // of code we never use since we don't pass any browser targets).
+            browserslistConfigFile: false,
         });
 
         return {

src/infrastructure/application/cli/io/formatting.ts

@@ -4,9 +4,18 @@ import isUnicodeSupported from 'is-unicode-supported';
 import {render as renderMarkdown} from '@croct/md-lite/rendering.js';
 import terminalLink from 'terminal-link';
 import {unescape as unescapeMarkdown} from '@croct/md-lite/parsing.js';
-import {strip} from 'node-emoji';
 import type {Semantics} from '@/application/cli/io/output';
 
+// Strips both unicode pictographs and `:shortcode:` markers from a string.
+// Replaces node-emoji's strip(), which pulls a 275KB emoji dataset for the
+// same effect when the terminal can't render unicode.
+const EMOJI_PICTOGRAPH = /\p{Extended_Pictographic}(️|‍\p{Extended_Pictographic})*/gu;
+const EMOJI_SHORTCODE = /:[\w+-]+:/g;
+
+function stripEmoji(value: string): string {
+    return value.replace(EMOJI_PICTOGRAPH, '').replace(EMOJI_SHORTCODE, '');
+}
+
 const unicodeSupport = isUnicodeSupported();
 
 export const colors: Record<Semantics, ForegroundColorName> = {
@@ -43,7 +52,7 @@ export function format(message: string, options: FormatingOptions = {}): string
     let result = options.basic === true ? message : render(message);
 
     if (!unicodeSupport) {
-        result = strip(result);
+        result = stripEmoji(result);
     }
 
     if (options.text !== undefined) {

tsup.config.ts

@@ -1,16 +1,47 @@
+import type {Plugin} from 'esbuild';
 import {defineConfig} from 'tsup';
 
+// Modules whose code paths are unreachable in our usage. Resolving them to
+// an empty module saves ~700KB:
+//   - `@babel/preset-typescript`: loaded by @babel/core for `.cts` configs
+//     (we always pass configFile: false).
+//   - `esprima`: recast's tokenizer fallback when AST has no `tokens`; our
+//     `@babel/parser`-based recast parser always provides them.
+//   - `browserslist`: required by @babel/helper-compilation-targets; never
+//     invoked since we set `browserslistConfigFile: false`.
+const namespace = 'stub-unreachable-modules';
+const pattern = /^@babel\/preset-typescript(\/.*)?$|^esprima$|^browserslist$/;
+
+const stubUnreachableModules: Plugin = {
+    name: namespace,
+    setup(build) {
+        build.onResolve(
+            {filter: pattern},
+            args => ({path: args.path, namespace}),
+        );
+        build.onLoad(
+            {filter: /.*/, namespace},
+            () => ({contents: 'module.exports = {};', loader: 'js'}),
+        );
+    },
+};
+
 export default defineConfig({
     entry: {
         index: 'src/program.ts',
     },
     format: 'esm',
     target: 'esnext',
+    platform: 'node',
     clean: true,
     sourcemap: false,
     minify: true,
     outDir: 'build',
     treeshake: true,
+    // Bundle every dependency into the output so consumers don't get
+    // anything installed transitively (avoids version conflicts in host projects).
+    noExternal: [/.*/],
+    esbuildPlugins: [stubUnreachableModules],
     banner: ({format}) => {
         if (format === 'esm') {
             return ({