fix: define __dirname

https://nodejs.org/docs/latest-v15.x/api/esm.html#esm_no_require_exports_or_module_exports

Author: abichinger

lib/prepare.ts

@@ -5,7 +5,7 @@ import path from 'path';
 import type { Context } from './@types/semantic-release/index.js';
 import { DefaultConfig } from './default-options.js';
 import { PluginConfig } from './types.js';
-import { normalizeVersion, pipe, setopt, spawn } from './util.js';
+import { __dirname, normalizeVersion, pipe, setopt, spawn } from './util.js';
 import { assertExitCode, isLegacyBuildInterface } from './verify.js';
 
 async function setVersionPy(setupPy: string, version: string) {

lib/util.ts

@@ -1,7 +1,10 @@
 import { execa, Options, ResultPromise } from 'execa';
 import path from 'path';
+import url from 'url';
 import { Context } from './@types/semantic-release/index.js';
 
+export const __dirname = path.dirname(url.fileURLToPath(import.meta.url));
+
 async function normalizeVersion(
   version: string,
   options: Options = {},

lib/verify.ts

@@ -6,7 +6,7 @@ import path from 'path';
 import { Context } from './@types/semantic-release/index.js';
 import { DefaultConfig } from './default-options.js';
 import { PluginConfig } from './types.js';
-import { pipe, spawn } from './util.js';
+import { __dirname, pipe, spawn } from './util.js';
 
 function assertEnvVar(name: string) {
   if (!process.env[name]) {

test/prepare.test.ts

@@ -31,10 +31,10 @@ describe('prepare: build functions', () => {
           legacyInterface: t.useLegacyInterface,
         });
         await expect(
-          sDistPackage(config.srcDir, config.distDir, context),
+          sDistPackage(config.srcDir, config.distDir, pipe(context)),
         ).resolves.toBe(undefined);
         await expect(
-          bDistPackage(config.srcDir, config.distDir, context),
+          bDistPackage(config.srcDir, config.distDir, pipe(context)),
         ).resolves.toBe(undefined);
       },
       60000,