fix: avoid package json module import in runtime code of the plugin.

Author: RobinTail

zod-plugin/src/runtime.ts

@@ -1,5 +1,4 @@
 import { globalRegistry, z } from "zod";
-import manifest from "../package.json" with { type: "json" };
 import { setBrand } from "./brand.ts";
 import { remap } from "./remap.ts";
 
@@ -17,7 +16,8 @@ const labelSetter = function (this: z.ZodDefault, defaultLabel: string) {
   return this.meta({ default: defaultLabel });
 };
 
-const pluginFlag = Symbol.for(manifest.name);
+// eslint-disable-next-line no-restricted-syntax -- substituted by TSDOWN
+const pluginFlag = Symbol.for(process.env.TSDOWN_SELF!);
 
 if (!(pluginFlag in globalThis)) {
   (globalThis as Record<symbol, unknown>)[pluginFlag] = true;

zod-plugin/tsdown.config.ts

@@ -1,4 +1,5 @@
 import { defineConfig } from "tsdown";
+import manifest from "./package.json" with { type: "json" };
 
 export default defineConfig([
   {
@@ -8,6 +9,9 @@ export default defineConfig([
     banner: {
       dts: "import './augmentation.js';",
     },
+    define: {
+      "process.env.TSDOWN_SELF": `"${manifest.name}"`, // used by pluginFlag
+    },
   },
   {
     entry: "src/augmentation.ts",