fix: add cjs override for esm projects (fixes #59)

eslint · Jun 2, 2023 · 8c285e1 · 8c285e1
1 parent 6c32b32
commit 8c285e1
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diff --git a/lib/init/config-initializer.js b/lib/init/config-initializer.js
@@ -163,6 +163,16 @@ function processAnswers(answers) {
  config.parserOptions.ecmaVersion = "latest";
  config.env.es2021 = true;
 
+ if (answers.moduleType === "esm" && answers.format === "JavaScript") {
+ config.overrides.push({
+ files: ["**/*.cjs"],
+ parserOptions: { sourceType: "script" },
+ env: {
+ node: true
+ }
+ });
+ }
+
  // set the module type
  if (answers.moduleType === "esm") {
  config.parserOptions.sourceType = "module";

diff --git a/tests/init/config-initializer.js b/tests/init/config-initializer.js
@@ -230,6 +230,18 @@ describe("configInitializer", () => {
 
  assert.isTrue(config.env.commonjs);
  });
+
+ it("should set commonjs config for `.eslintrc.cjs` in esm projects", () => {
+ answers.moduleType = "esm";
+ answers.format = "JavaScript";
+ const config = init.processAnswers(answers);
+
+ assert.isArray(config.overrides, "should have overrides config");
+ assert.strictEqual(config.overrides.length, 1);
+ assert.deepStrictEqual(config.overrides[0].parserOptions, { sourceType: "script" });
+ assert.deepStrictEqual(config.overrides[0].env, { node: true });
+ });
+
  });
 
  describe("guide", () => {