feat(jest)!: migrate to esm and upgrade jest

Author: tiagoporto

packages/json-map-keys-jest/README.md

@@ -2,6 +2,15 @@
 
 > Jest transformer to replace json values with the key path.
 
+```js
+/** @type {import('jest').Config} */
+export default {
+  transform: {
+    'data\\.json$': ['json-map-keys-jest', { prefix: '[name]:' }]
+  }
+}
+```
+
 ## License
 
 JSON Map Keys Jest © 2020 by Tiago Porto is licensed under [MIT License](LICENSE).

packages/json-map-keys-jest/index.js

@@ -0,0 +1,22 @@
+import jsonParser from 'json-map-keys'
+import { interpolateName } from 'loader-utils'
+
+export default {
+  process(sourceText, sourcePath, { transformerConfig }) {
+    let prefix = ''
+    if (transformerConfig && transformerConfig.prefix) {
+      prefix = interpolateName(
+        { resourcePath: sourcePath },
+        transformerConfig.prefix,
+        {
+          sourceText,
+        },
+      )
+    }
+    const resources = jsonParser(JSON.parse(sourceText), prefix)
+
+    return {
+      code: JSON.stringify(resources),
+    }
+  },
+}

packages/json-map-keys-jest/index.mjs

@@ -18,12 +18,13 @@
   },
   "funding": "https://github.com/sponsors/tiagoporto",
   "license": "MIT",
-  "main": "./index.js",
+  "type": "module",
+  "main": "./index.mjs",
   "dependencies": {
     "json-map-keys": "^1.0.0-beta.1",
-    "loader-utils": "^2.0.0"
+    "loader-utils": "^3.3.1"
   },
   "peerDependencies": {
-    "jest": ">= 24"
+    "jest": ">= 27"
   }
 }