base: use jsonc for deno.json under packages. (#663)

Author: dajiaji

.github/RELEASE_PROCESS.md

@@ -120,7 +120,7 @@ The release branch should include:
    ```
 
 2. **Changes Implementation**:
-   - Update `packages/<package-name>/deno.json` version field
+   - Update `packages/<package-name>/deno.jsonc` version field
    - Add new section to `packages/<package-name>/CHANGES.md`
    - Update any cross-package version dependencies
    - Run tests to ensure everything works
@@ -176,7 +176,7 @@ Released 2025-08-15
 
 ```
 hpke-js-bump-to-1_7_0
-├── packages/hpke-js/deno.json (version: "1.7.0")
+├── packages/hpke-js/deno.jsonc (version: "1.7.0")
 ├── packages/hpke-js/CHANGES.md (new section added)
 └── any other affected files
 ```

deno.jsonc

@@ -320,7 +320,7 @@
     // === MAINTENANCE TASKS ===
     "update-lock": {
       "description": "Update Deno lock file by reloading all dependencies",
-      "command": "deno cache --reload **/deno.json --config deno.jsonc"
+      "command": "deno cache --reload **/deno.jsonc --config deno.jsonc"
     }
   }
 }

packages/chacha20poly1305/deno.json renamed to packages/chacha20poly1305/deno.jsonc

@@ -1,7 +1,7 @@
 import { build } from "@deno/dnt";
 import { afterBuild, beforeBuild } from "../../utils/dntCommon.ts";
 
-const denoPkg = JSON.parse(await Deno.readTextFile("./deno.json"));
+const denoPkg = JSON.parse(await Deno.readTextFile("./deno.jsonc"));
 
 await beforeBuild("chacha20poly1305");
 

packages/chacha20poly1305/dnt.ts

@@ -2,7 +2,7 @@ import { build, emptyDir } from "@deno/dnt";
 
 await emptyDir("../../npm/packages/common");
 
-const denoPkg = JSON.parse(await Deno.readTextFile("./deno.json"));
+const denoPkg = JSON.parse(await Deno.readTextFile("./deno.jsonc"));
 
 await build({
   entryPoints: ["./mod.ts"],

packages/chacha20poly1305/samples/deno/deno.json renamed to packages/chacha20poly1305/samples/deno/deno.jsonc

@@ -1,7 +1,7 @@
 import { build } from "@deno/dnt";
 import { afterBuild, beforeBuild } from "../../utils/dntCommon.ts";
 
-const denoPkg = JSON.parse(await Deno.readTextFile("./deno.json"));
+const denoPkg = JSON.parse(await Deno.readTextFile("./deno.jsonc"));
 
 await beforeBuild("core");