rework misskey-js build to preserve original package structure

packages/misskey-js/api-extractor.json

@@ -45,7 +45,7 @@
    *
    * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
    */
-  "mainEntryPointFilePath": "<projectFolder>/built/src/index.d.ts",
+  "mainEntryPointFilePath": "<projectFolder>/built/index.d.ts",
 
   /**
    * A list of NPM package names whose exports should be treated as part of this package.
@@ -111,7 +111,7 @@
     /**
      * (REQUIRED) Whether to generate an API report.
      */
-    "enabled": true
+    "enabled": true,
 
     /**
      * The filename for the API report files.  It will be combined with "reportFolder" or "reportTempFolder" to produce
@@ -152,7 +152,7 @@
      * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
      * DEFAULT VALUE: "<projectFolder>/temp/"
      */
-    // "reportTempFolder": "<projectFolder>/temp/"
+    "reportTempFolder": "<projectFolder>/temp/api-extractor/"
   },
 
   /**

packages/misskey-js/eslint.config.js

@@ -19,10 +19,11 @@ export default [
 			'**/coverage/',
 			'**/node_modules/',
 			'scripts',
+			'*.*',
 		],
 	},
 	{
-		files: ['src/**/*.ts', 'src/**/*.tsx'],
+		files: ['src/**/*.ts', 'test/**/*.ts'],
 		languageOptions: {
 			parserOptions: {
 				parser: tsParser,
@@ -32,6 +33,9 @@ export default [
 			},
 		},
 	},
+	{
+		files: ['scripts/**/*.mjs'],
+	},
 	{
 		files: ['src/autogen/**/*.ts', 'src/autogen/**/*.tsx'],
 		rules: {

packages/misskey-js/package.json

@@ -4,13 +4,13 @@
 	"version": "2025.5.2-dev",
 	"description": "Misskey SDK for JavaScript",
 	"license": "MIT",
-	"main": "./built/src/index.js",
-	"types": "./built/src/index.d.ts",
+	"main": "./built/index.js",
+	"types": "./built/index.d.ts",
 	"scripts": {
 		"clean": "node scripts/clean.mjs",
-		"build": "tsc -b && ncp test-d ./built/test-d",
+		"build": "tsc -b && node scripts/post-build.mjs",
 		"rebuild": "pnpm clean && pnpm build",
-		"tsd": "tsd --files \"./built/test-d/**/*.ts\"",
+		"tsd": "tsd --types \"./temp/built/src/index.d.ts\" --files \"./temp/built/test-d/**/*.ts\"",
 		"api": "pnpm api-extractor run --local --verbose",
 		"api-prod": "pnpm api-extractor run --verbose",
 		"eslint": "eslint --quiet \"{src,test,test-d,scripts}/**/*.{js,jsx,ts,tsx,vue}\" --cache",
@@ -41,7 +41,7 @@
 		"typescript": "5.8.3"
 	},
 	"files": [
-		"built/src"
+		"built"
 	],
 	"dependencies": {
 		"eventemitter3": "5.0.1",

packages/misskey-js/scripts/_common.mjs

@@ -1,5 +1,26 @@
 import * as nodepath from 'path';
 
-export const scriptsDir = import.meta.dirname;
-export const rootDir = nodepath.join(scriptsDir, '../');
-export const outDir = nodepath.join(rootDir, './built');
+const dirname = import.meta.dirname;
+
+/** Root directory of the misskey-js project */
+export const rootDir = nodepath.join(dirname, '../');
+/** Output directory for fully-built library. */
+export const outDir = nodepath.join(rootDir, 'built');
+/** Working directory for builds. */
+export const buildDir = nodepath.join(rootDir, 'temp/built');
+
+/** Source directory for "scripts" subpackage, containing pure-JS scripts. */
+export const scriptsSource = dirname;
+/** Source directory for "lib" subpackage, containing the actual library source. */
+export const libSource = nodepath.join(rootDir, 'src');
+/** Source directory for "test" subpackage, containing unit tests. */
+export const testSource = nodepath.join(rootDir, 'test');
+/** Source directory for "test-d" subpackage, containing non-built type tests. */
+export const testDSource = nodepath.join(rootDir, 'test-d');
+
+/** Working directory for "lib" subpackage builds */
+export const libBuild = nodepath.join(buildDir, 'src');
+/** Working directory for "test" subpackage builds */
+export const testBuild = nodepath.join(buildDir, 'test');
+/** Working directory for "test-d" subpackage builds */
+export const testDBuild = nodepath.join(buildDir, 'test-d');

packages/misskey-js/scripts/clean.mjs

@@ -1,5 +1,8 @@
 import { rm } from 'fs/promises';
-import { outDir } from './_common.mjs';
+import {buildDir, outDir} from './_common.mjs';
 
-console.log(`Cleaning ${outDir}...`);
+console.log(`Cleaning working directory ${buildDir}...`);
+await rm(buildDir, { recursive: true, force: true });
+
+console.log(`Cleaning output directory ${outDir}...`);
 await rm(outDir, { recursive: true, force: true });

packages/misskey-js/scripts/post-build.mjs

@@ -0,0 +1,12 @@
+import {libBuild, outDir, testDBuild, testDSource} from './_common.mjs';
+import {rm, cp} from 'fs/promises';
+
+// Always clean the output, because artifacts are cached in the build directory instead.
+console.log(`Cleaning output directory ${outDir}...`);
+await rm(outDir, { recursive: true, force: true });
+
+// Copy built lib to output directory.
+await cp(libBuild, outDir, { recursive: true });
+
+// Stage test-d sources in the build directory so tsd will work.
+await cp(testDSource, testDBuild, { recursive: true });

packages/misskey-js/tsconfig.json

@@ -10,7 +10,7 @@
 		"inlineSources": true,
 		"allowJs": true,
 		"checkJs": true,
-		"outDir": "./built/",
+		"outDir": "./temp/built/",
 		"strict": true,
 		"strictFunctionTypes": true,
 		"strictNullChecks": true,