Migrate @emotion/hash to TypeScript

.changeset/stale-dogs-wink.md

@@ -0,0 +1,5 @@
+---
+'@emotion/hash': patch
+---
+
+Source code has been migrated to TypeScript. From now on type declarations will be emitted based on that, instead of being hand-written.

packages/hash/package.json

@@ -4,16 +4,15 @@
   "description": "A MurmurHash2 implementation",
   "main": "dist/emotion-hash.cjs.js",
   "module": "dist/emotion-hash.esm.js",
-  "types": "types/index.d.ts",
+  "types": "dist/emotion-hash.cjs.d.ts",
   "license": "MIT",
   "repository": "https://github.com/emotion-js/emotion/tree/main/packages/hash",
   "publishConfig": {
     "access": "public"
   },
   "files": [
     "src",
-    "dist",
-    "types/*.d.ts"
+    "dist"
   ],
   "scripts": {
     "test:typescript": "dtslint types"

packages/hash/src/index.js → packages/hash/src/index.ts

@@ -2,7 +2,7 @@
 // Inspired by https://github.com/garycourt/murmurhash-js
 // Ported from https://github.com/aappleby/smhasher/blob/61a0530f28277f2e850bfc39600ce61d02b518de/src/MurmurHash2.cpp#L37-L86
 
-export default function murmur2(str /*: string */) {
+export default function murmur2(str: string): string {
   // 'm' and 'r' are mixing constants generated offline.
   // They're not really 'magic', they just happen to work well.
 

packages/hash/types/index.d.ts

@@ -1 +1 @@
-export default function murmurhash2_32_gc(str: string): string
+export { default } from '../src'