Switch to "type": "module" in package.json

Author: lydell

eslint.config.mjs renamed to eslint.config.js

@@ -18,8 +18,6 @@ export default typescriptEslint.config(
     languageOptions: {
       parserOptions: {
         projectService: true,
-        // @ts-expect-error: The 'import.meta' meta-property is only allowed when the '--module' option is 'es2020', 'es2022', 'esnext', 'system', 'node16', or 'NodeNext'.
-        // Ignore this until we manage to move away from `"module": "CommonJS"`.
         tsconfigRootDir: import.meta.dirname,
       },
     },

examples/decode-constrained.test.ts

@@ -1,4 +1,4 @@
-import "../tests/helpers";
+import "../tests/helpers.js";
 
 import { expect, test } from "vitest";
 
@@ -9,7 +9,7 @@ import {
   format,
   primitiveUnion,
   string,
-} from "../";
+} from "../index.js";
 
 test("decode constrained", () => {
   const codec1 = fields({

examples/extra-fields.test.ts

@@ -1,7 +1,7 @@
 import { expect, test } from "vitest";
 
-import { Codec, fields, map, number, string } from "..";
-import { run } from "../tests/helpers";
+import { Codec, fields, map, number, string } from "../index.js";
+import { run } from "../tests/helpers.js";
 
 test("adding extra fields to records", () => {
   // Want to add an extra field to a record, that doesn’t look at the input at

examples/readme.test.ts

@@ -12,8 +12,8 @@ import {
   number,
   string,
   undefinedOr,
-} from "..";
-import { run } from "../tests/helpers";
+} from "../index.js";
+import { run } from "../tests/helpers.js";
 
 test("the main readme example", () => {
   type User = {

examples/recursive.test.ts

@@ -10,7 +10,7 @@ import {
   record,
   recursive,
   string,
-} from "../";
+} from "../index.js";
 
 test("recursive data structure", () => {
   // Consider this recursive data structure:

examples/renaming-union-field.test.ts

@@ -1,7 +1,7 @@
 import { expectType, TypeEqual } from "ts-expect";
 import { expect, test } from "vitest";
 
-import { Infer, InferEncoded, number, tag, taggedUnion } from "../";
+import { Infer, InferEncoded, number, tag, taggedUnion } from "../index.js";
 
 test("using different tags in JSON and in TypeScript", () => {
   // Here’s how to use different keys and values in JSON and TypeScript.

examples/taggedUnion-fallback.test.ts

@@ -1,8 +1,8 @@
 import { expectType, TypeEqual } from "ts-expect";
 import { expect, test } from "vitest";
 
-import { Codec, Infer, number, tag, taggedUnion } from "../";
-import { run } from "../tests/helpers";
+import { Codec, Infer, number, tag, taggedUnion } from "../index.js";
+import { run } from "../tests/helpers.js";
 
 test("taggedUnion with fallback for unknown tags", () => {
   // Here’s a helper function that takes a codec – which is supposed to be a

examples/taggedUnion-with-common-fields.test.ts

@@ -11,8 +11,8 @@ import {
   string,
   tag,
   taggedUnion,
-} from "../";
-import { run } from "../tests/helpers";
+} from "../index.js";
+import { run } from "../tests/helpers.js";
 
 test("taggedUnion with common fields", () => {
   // This function takes two codecs for object types and returns

examples/tuples.test.ts

@@ -1,6 +1,6 @@
 import { expect, test } from "vitest";
 
-import { Codec, fields, map, number, tuple } from "../";
+import { Codec, fields, map, number, tuple } from "../index.js";
 
 test("decoding tuples", () => {
   type PointTuple = [number, number];

examples/type-annotations.test.ts

@@ -1,6 +1,6 @@
 import { expect, test } from "vitest";
 
-import { Codec, DecoderResult, fields, number, string } from "../";
+import { Codec, DecoderResult, fields, number, string } from "../index.js";
 
 test("type annotations", () => {
   // First, a small test type and a function that receives it: