Fix 'yamlToJson.mjs'

- Add missing process import
- Sort imports
- Replace 'prettier' by internal function
- Add console output

CHANGELOG.rst

@@ -191,7 +191,7 @@ Fixed
 ~~~~~
 
 * JOSM remote control was not working because it was trying to be accessed as https://localhost:8111/. Switch to HTTP.
-
+* Fix `yamlToJson.mjs`
 
 v3.8.0_ - 2022-05-18
 --------------------

scripts/yamlToJson.mjs

@@ -1,15 +1,16 @@
 // Node script used to convert a .yaml file to a .json file
 // Call yamlToJson.mjs [input] [output]
-const [, , input, output] = process.argv;
-const out = output | `${input.split(".")[0]}.json`;
 
+import process from "node:process";
+import { readFileSync, writeFileSync } from "node:fs";
 import jsYaml from "js-yaml";
 
-import { readFileSync, writeFileSync } from "fs";
-import prettier from "prettier";
+const [, , input, output] = process.argv;
+const out = output || `${input.split(".")[0]}.json`;
+
+console.log(`Converting ${input} to ${out}`);
 
 const loadedYaml = jsYaml.load(readFileSync(input, { encoding: "utf-8" }));
-writeFileSync(
-  out,
-  prettier.format(JSON.stringify(loadedYaml), { parser: "json" })
-);
+const jsonOutput = JSON.stringify(loadedYaml, null, 2);
+
+writeFileSync(out, jsonOutput);