Copy downleveled .d.ts files to dist/types/

build/downlevel-dts.js

@@ -5,20 +5,22 @@ const { Project, ts } = require('ts-morph');
 const path = require('path');
 
 const project = new Project();
-const inputDir = project.addDirectoryAtPath(path.join(__dirname, '../dist/types/'));
+const inputDir = project.addDirectoryAtPath(path.join(__dirname, '../types/'));
+const outputDir = project.createDirectory(path.join(__dirname, '../dist/types/'));
 
 // Create output directory
-const ts36Dir = inputDir.createDirectory('ts3.6');
+const ts36Dir = outputDir.createDirectory('ts3.6');
 project.saveSync();
 
 // Down-level all *.d.ts files in input directory
 const files = inputDir.addSourceFilesAtPaths('*.d.ts');
-for (const f of files) {
-  // Create copy for TypeScript 3.6+
-  f.copyToDirectory(ts36Dir, { overwrite: true });
-  downlevelTS36(f);
-  downlevelTS34(f);
-  // Original file will be overwritten by down-leveled file when saved
+for (const originalFile of files) {
+  // Create copy for TypeScript 3.6 and higher
+  originalFile.copyToDirectory(ts36Dir, { overwrite: true });
+  // Downlevel and create copy for TypeScript 3.6 and lower
+  const downlevelFile = originalFile.copyToDirectory(outputDir, { overwrite: true });
+  downlevelTS36(downlevelFile);
+  downlevelTS34(downlevelFile);
 }
 project.saveSync();
 

es2018/package.json

@@ -3,5 +3,5 @@
   "main": "../dist/polyfill.es2018",
   "browser": "../dist/polyfill.es2018.min.js",
   "module": "../dist/polyfill.es2018.mjs",
-  "types": "../types/polyfill.d.ts"
+  "types": "../dist/types/polyfill.d.ts"
 }

es6/package.json

@@ -3,5 +3,5 @@
   "main": "../dist/polyfill.es6",
   "browser": "../dist/polyfill.es6.min.js",
   "module": "../dist/polyfill.es6.mjs",
-  "types": "../types/polyfill.d.ts"
+  "types": "../dist/types/polyfill.d.ts"
 }

package.json

@@ -5,7 +5,7 @@
   "main": "dist/polyfill",
   "browser": "dist/polyfill.min.js",
   "module": "dist/polyfill.mjs",
-  "types": "types/polyfill.d.ts",
+  "types": "dist/types/polyfill.d.ts",
   "typesVersions": {
     ">=3.6": {
       "dist/types/*": [

ponyfill/es2018/package.json

@@ -2,5 +2,5 @@
   "name": "web-streams-ponyfill-es2018",
   "main": "../../dist/ponyfill.es2018",
   "module": "../../dist/ponyfill.es2018.mjs",
-  "types": "../../types/ponyfill.d.ts"
+  "types": "../../dist/types/ponyfill.d.ts"
 }

ponyfill/es6/package.json

@@ -2,5 +2,5 @@
   "name": "web-streams-ponyfill-es6",
   "main": "../../dist/ponyfill.es6",
   "module": "../../dist/ponyfill.es6.mjs",
-  "types": "../../types/ponyfill.d.ts"
+  "types": "../../dist/types/ponyfill.d.ts"
 }

ponyfill/package.json

@@ -2,5 +2,5 @@
   "name": "web-streams-ponyfill",
   "main": "../dist/ponyfill",
   "module": "../dist/ponyfill.mjs",
-  "types": "../types/ponyfill.d.ts"
+  "types": "../dist/types/ponyfill.d.ts"
 }