Ignore .gitignored files (#14731)

changelog_unreleased/cli/14731.md

@@ -0,0 +1,8 @@
+#### [Breaking] Ignore `.gitignore`d files by default (#14731 by @fisker)
+
+Prettier ignores files ignored by `.gitignore` by default.
+If you want the old behavior(only ignore files ignored by `.prettierignore`), use
+
+```console
+prettier . --write --ignore-path=.prettierignore
+```

cspell.json

@@ -62,6 +62,7 @@
         "concat",
         "concating",
         "cond",
+        "customignore",
         "daleroy",
         "danez",
         "Dara",

scripts/tools/eslint-plugin-prettier-internal-rules/await-cli-tests.js

@@ -31,6 +31,18 @@ module.exports = {
           return;
         }
 
+        // wrapped
+        // `const runCliWithoutGitignore = () => runCli()`
+        // `const runCliWithoutGitignore = () => { return runCli() }`
+        if (
+          (parent.type === "ArrowFunctionExpression" &&
+            parent.body === callExpression) ||
+          (parent.type === "ReturnStatement" &&
+            parent.argument === callExpression)
+        ) {
+          return;
+        }
+
         if (
           parent.type === "MemberExpression" &&
           parent.object === callExpression &&

src/cli/cli-options.evaluate.js

@@ -195,7 +195,7 @@ const options = {
   ignorePath: {
     array: true,
     category: optionCategories.CATEGORY_CONFIG,
-    default: [{ value: [".prettierignore"] }],
+    default: [{ value: [".gitignore", ".prettierignore"] }],
     description: outdent`
       Path to a file with patterns describing files to ignore.
       Multiple values are accepted.

tests/integration/__tests__/__snapshots__/early-exit.js.snap

@@ -112,7 +112,7 @@ Config options:
                            Find and print the path to a configuration file for the given input file.
   --ignore-path <path>     Path to a file with patterns describing files to ignore.
                            Multiple values are accepted.
-                           Defaults to [.prettierignore].
+                           Defaults to [.gitignore, .prettierignore].
   --plugin <path>          Add a plugin. Multiple plugins can be passed as separate \`--plugin\`s.
                            Defaults to [].
   --plugin-search-dir <path>
@@ -283,7 +283,7 @@ Config options:
                            Find and print the path to a configuration file for the given input file.
   --ignore-path <path>     Path to a file with patterns describing files to ignore.
                            Multiple values are accepted.
-                           Defaults to [.prettierignore].
+                           Defaults to [.gitignore, .prettierignore].
   --plugin <path>          Add a plugin. Multiple plugins can be passed as separate \`--plugin\`s.
                            Defaults to [].
   --plugin-search-dir <path>

tests/integration/__tests__/__snapshots__/file-info.js.snap

@@ -54,14 +54,14 @@ exports[`extracts file-info with ignored=true for a file in .prettierignore (std
 
 exports[`extracts file-info with ignored=true for a file in .prettierignore (write) 1`] = `[]`;
 
-exports[`extracts file-info with ignored=true for a file in a hand-picked .prettierignore (stderr) 1`] = `""`;
+exports[`extracts file-info with ignored=true for a file in a hand-picked ignore file (stderr) 1`] = `""`;
 
-exports[`extracts file-info with ignored=true for a file in a hand-picked .prettierignore (stdout) 1`] = `
+exports[`extracts file-info with ignored=true for a file in a hand-picked ignore file (stdout) 1`] = `
 "{ "ignored": true, "inferredParser": null }
 "
 `;
 
-exports[`extracts file-info with ignored=true for a file in a hand-picked .prettierignore (write) 1`] = `[]`;
+exports[`extracts file-info with ignored=true for a file in a hand-picked ignore file (write) 1`] = `[]`;
 
 exports[`extracts file-info with inferredParser=foo when a plugin is hand-picked (stderr) 1`] = `""`;
 

tests/integration/__tests__/__snapshots__/help-options.js.snap

@@ -251,7 +251,7 @@ exports[`show detailed usage with --help ignore-path (stdout) 1`] = `
   Path to a file with patterns describing files to ignore.
   Multiple values are accepted.
 
-Default: [.prettierignore]"
+Default: [.gitignore, .prettierignore]"
 `;
 
 exports[`show detailed usage with --help ignore-path (write) 1`] = `[]`;

tests/integration/__tests__/__snapshots__/ignore-path.js.snap

@@ -1,9 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`ignore file when using --debug-check (stdout) 1`] = `"other-regular-modules.js"`;
-
-exports[`ignore path (stdout) 1`] = `"regular-module.js"`;
-
-exports[`outputs files as-is if no --write (stdout) 1`] = `"'use strict';"`;
-
-exports[`support .prettierignore (stdout) 1`] = `"other-regular-modules.js"`;

tests/integration/__tests__/cache.js

@@ -6,6 +6,9 @@ function resolveDir(dir) {
   return fileURLToPath(new URL(`../${dir}/`, import.meta.url));
 }
 
+const runCliWithoutGitignore = (dir, args, options) =>
+  runCli(dir, [...args, "--ignore-path", ".prettierignore"], options);
+
 describe("--cache option", () => {
   const dir = resolveDir("cli/cache");
   const defaultCacheFile = path.join(
@@ -55,7 +58,7 @@ describe("--cache option", () => {
   afterAll(clean);
 
   it("throw error when cache-strategy is invalid", async () => {
-    const { stderr } = await runCli(dir, [
+    const { stderr } = await runCliWithoutGitignore(dir, [
       "--cache",
       "--cache-strategy",
       "invalid",
@@ -67,7 +70,7 @@ describe("--cache option", () => {
   });
 
   it("throws error when use with --stdin-filepath", async () => {
-    const { stderr } = await runCli(
+    const { stderr } = await runCliWithoutGitignore(
       dir,
       ["--cache", "--stdin-filepath", "foo.js"],
       { input: "const a = a;" }
@@ -76,7 +79,7 @@ describe("--cache option", () => {
   });
 
   it("throws error when use `--cache-strategy` without `--cache`.", async () => {
-    const { stderr } = await runCli(
+    const { stderr } = await runCliWithoutGitignore(
       dir,
       ["foo.js", "--cache-strategy", "content"],
       {
@@ -89,7 +92,7 @@ describe("--cache option", () => {
   });
 
   it("throws error when `--cache-location` is a directory.", async () => {
-    const { stderr } = await runCli(dir, [
+    const { stderr } = await runCliWithoutGitignore(dir, [
       "foo.js",
       "--cache",
       "--cache-location",
@@ -108,12 +111,17 @@ describe("--cache option", () => {
         "code",
         "ENOENT"
       );
-      await runCli(dir, ["--cache", "--cache-strategy", "metadata", "*.js"]);
+      await runCliWithoutGitignore(dir, [
+        "--cache",
+        "--cache-strategy",
+        "metadata",
+        "*.js",
+      ]);
       await expect(fs.stat(defaultCacheFile)).resolves.not.toThrowError();
     });
 
     it("doesn't format when cache is available", async () => {
-      const { stdout: firstStdout } = await runCli(dir, [
+      const { stdout: firstStdout } = await runCliWithoutGitignore(dir, [
         "--cache",
         "--write",
         "--cache-strategy",
@@ -127,7 +135,7 @@ describe("--cache option", () => {
         ])
       );
 
-      const { stdout: secondStdout } = await runCli(dir, [
+      const { stdout: secondStdout } = await runCliWithoutGitignore(dir, [
         "--cache",
         "--write",
         "--cache-strategy",
@@ -150,7 +158,10 @@ describe("--cache option", () => {
         "metadata",
         "*.js",
       ];
-      const { stdout: firstStdout } = await runCli(dir, cliArguments);
+      const { stdout: firstStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(firstStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms$/),
@@ -161,7 +172,10 @@ describe("--cache option", () => {
       // Update `a.js`
       await fs.writeFile(path.join(dir, "a.js"), "const a = `a`;");
 
-      const { stdout: secondStdout } = await runCli(dir, cliArguments);
+      const { stdout: secondStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(secondStdout.split("\n")).toEqual(
         // the cache of `b.js` is only available.
         expect.arrayContaining([
@@ -179,7 +193,10 @@ describe("--cache option", () => {
         "metadata",
         "*.js",
       ];
-      const { stdout: firstStdout } = await runCli(dir, cliArguments);
+      const { stdout: firstStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(firstStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms$/),
@@ -191,7 +208,10 @@ describe("--cache option", () => {
       const time = new Date();
       await fs.utimes(path.join(dir, "a.js"), time, time);
 
-      const { stdout: secondStdout } = await runCli(dir, cliArguments);
+      const { stdout: secondStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(secondStdout.split("\n")).toEqual(
         // the cache of `b.js` is only available.
         expect.arrayContaining([
@@ -202,7 +222,7 @@ describe("--cache option", () => {
     });
 
     it("re-formats when options has been updated.", async () => {
-      const { stdout: firstStdout } = await runCli(dir, [
+      const { stdout: firstStdout } = await runCliWithoutGitignore(dir, [
         "--cache",
         "--write",
         "--cache-strategy",
@@ -216,7 +236,7 @@ describe("--cache option", () => {
         ])
       );
 
-      const { stdout: secondStdout } = await runCli(dir, [
+      const { stdout: secondStdout } = await runCliWithoutGitignore(dir, [
         "--cache",
         "--cache-strategy",
         "metadata",
@@ -234,9 +254,14 @@ describe("--cache option", () => {
     });
 
     it("re-formats after execution without write.", async () => {
-      await runCli(dir, ["--cache", "--cache-strategy", "metadata", "*.js"]);
+      await runCliWithoutGitignore(dir, [
+        "--cache",
+        "--cache-strategy",
+        "metadata",
+        "*.js",
+      ]);
 
-      const { stdout: secondStdout } = await runCli(dir, [
+      const { stdout: secondStdout } = await runCliWithoutGitignore(dir, [
         "--write",
         "--cache",
         "--cache-strategy",
@@ -259,7 +284,7 @@ describe("--cache option", () => {
         "metadata",
         "*.js",
       ];
-      await runCli(dir, cliArguments);
+      await runCliWithoutGitignore(dir, cliArguments);
 
       // Update `a.js` to unformatted
       await fs.writeFile(path.join(dir, "a.js"), "const a = `a`;    ");
@@ -268,9 +293,17 @@ describe("--cache option", () => {
       const time = new Date();
       await fs.utimes(path.join(dir, "b.js"), time, time);
 
-      await runCli(dir, ["--cache", "--cache-strategy", "metadata", "*.js"]);
+      await runCliWithoutGitignore(dir, [
+        "--cache",
+        "--cache-strategy",
+        "metadata",
+        "*.js",
+      ]);
 
-      const { stdout: thirdStdout } = await runCli(dir, cliArguments);
+      const { stdout: thirdStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(thirdStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms$/),
@@ -284,7 +317,7 @@ describe("--cache option", () => {
         stdout: firstStdout,
         stderr: firstStderr,
         status: firstStatus,
-      } = await runCli(
+      } = await runCliWithoutGitignore(
         dir,
         ["--write", "--cache", "--cache-strategy", "metadata", "*.js"],
         {
@@ -305,7 +338,7 @@ describe("--cache option", () => {
         ])
       );
 
-      const { stdout: secondStdout } = await runCli(dir, [
+      const { stdout: secondStdout } = await runCliWithoutGitignore(dir, [
         "--list-different",
         "--cache",
         "--cache-strategy",
@@ -316,7 +349,7 @@ describe("--cache option", () => {
     });
 
     it("removes cache file when run Prettier without `--cache` option", async () => {
-      await runCli(dir, [
+      await runCliWithoutGitignore(dir, [
         "--cache",
         "--write",
         "--cache-strategy",
@@ -324,7 +357,7 @@ describe("--cache option", () => {
         "*.js",
       ]);
       await expect(fs.stat(defaultCacheFile)).resolves.not.toThrowError();
-      await runCli(dir, ["--write", "*.js"]);
+      await runCliWithoutGitignore(dir, ["--write", "*.js"]);
       await expect(fs.stat(defaultCacheFile)).rejects.toThrowError();
     });
   });
@@ -335,7 +368,12 @@ describe("--cache option", () => {
         "code",
         "ENOENT"
       );
-      await runCli(dir, ["--cache", "--cache-strategy", "content", "*.js"]);
+      await runCliWithoutGitignore(dir, [
+        "--cache",
+        "--cache-strategy",
+        "content",
+        "*.js",
+      ]);
       await expect(fs.stat(defaultCacheFile)).resolves.not.toThrowError();
     });
 
@@ -347,7 +385,10 @@ describe("--cache option", () => {
         "--write",
         "*.js",
       ];
-      const { stdout: firstStdout } = await runCli(dir, cliArguments);
+      const { stdout: firstStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(firstStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms$/),
@@ -355,7 +396,10 @@ describe("--cache option", () => {
         ])
       );
 
-      const { stdout: secondStdout } = await runCli(dir, cliArguments);
+      const { stdout: secondStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(secondStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms \(cached\)$/),
@@ -372,7 +416,10 @@ describe("--cache option", () => {
         "--write",
         "*.js",
       ];
-      const { stdout: firstStdout } = await runCli(dir, cliArguments);
+      const { stdout: firstStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(firstStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms$/),
@@ -383,7 +430,10 @@ describe("--cache option", () => {
       // Update `a.js`
       await fs.writeFile(path.join(dir, "a.js"), "const a = `a`;");
 
-      const { stdout: secondStdout } = await runCli(dir, cliArguments);
+      const { stdout: secondStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(secondStdout.split("\n")).toEqual(
         // the cache of `b.js` is only available.
         expect.arrayContaining([
@@ -401,7 +451,10 @@ describe("--cache option", () => {
         "--write",
         "*.js",
       ];
-      const { stdout: firstStdout } = await runCli(dir, cliArguments);
+      const { stdout: firstStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(firstStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms$/),
@@ -413,7 +466,10 @@ describe("--cache option", () => {
       const time = new Date();
       await fs.utimes(path.join(dir, "a.js"), time, time);
 
-      const { stdout: secondStdout } = await runCli(dir, cliArguments);
+      const { stdout: secondStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(secondStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms \(cached\)$/),
@@ -423,7 +479,7 @@ describe("--cache option", () => {
     });
 
     it("re-formats when options has been updated.", async () => {
-      const { stdout: firstStdout } = await runCli(dir, [
+      const { stdout: firstStdout } = await runCliWithoutGitignore(dir, [
         "--cache",
         "--cache-strategy",
         "content",
@@ -437,7 +493,7 @@ describe("--cache option", () => {
         ])
       );
 
-      const { stdout: secondStdout } = await runCli(dir, [
+      const { stdout: secondStdout } = await runCliWithoutGitignore(dir, [
         "--cache",
         "--write",
         "--cache-strategy",
@@ -455,9 +511,14 @@ describe("--cache option", () => {
     });
 
     it("re-formats after execution without write.", async () => {
-      await runCli(dir, ["--cache", "--cache-strategy", "content", "*.js"]);
+      await runCliWithoutGitignore(dir, [
+        "--cache",
+        "--cache-strategy",
+        "content",
+        "*.js",
+      ]);
 
-      const { stdout: secondStdout } = await runCli(dir, [
+      const { stdout: secondStdout } = await runCliWithoutGitignore(dir, [
         "--write",
         "--cache",
         "--cache-strategy",
@@ -480,7 +541,7 @@ describe("--cache option", () => {
         "content",
         "*.js",
       ];
-      await runCli(dir, cliArguments);
+      await runCliWithoutGitignore(dir, cliArguments);
 
       // Update `a.js` to unformatted
       await fs.writeFile(path.join(dir, "a.js"), "const a = `a`;    ");
@@ -489,9 +550,17 @@ describe("--cache option", () => {
       const time = new Date();
       await fs.utimes(path.join(dir, "b.js"), time, time);
 
-      await runCli(dir, ["--cache", "--cache-strategy", "content", "*.js"]);
+      await runCliWithoutGitignore(dir, [
+        "--cache",
+        "--cache-strategy",
+        "content",
+        "*.js",
+      ]);
 
-      const { stdout: thirdStdout } = await runCli(dir, cliArguments);
+      const { stdout: thirdStdout } = await runCliWithoutGitignore(
+        dir,
+        cliArguments
+      );
       expect(thirdStdout.split("\n")).toEqual(
         expect.arrayContaining([
           expect.stringMatching(/^a\.js .+ms$/),
@@ -505,7 +574,7 @@ describe("--cache option", () => {
         stdout: firstStdout,
         stderr: firstStderr,
         status: firstStatus,
-      } = await runCli(
+      } = await runCliWithoutGitignore(
         dir,
         ["--write", "--cache", "--cache-strategy", "content", "*.js"],
         {
@@ -526,7 +595,7 @@ describe("--cache option", () => {
         ])
       );
 
-      const { stdout: secondStdout } = await runCli(dir, [
+      const { stdout: secondStdout } = await runCliWithoutGitignore(dir, [
         "--list-different",
         "--cache",
         "--cache-strategy",
@@ -537,9 +606,9 @@ describe("--cache option", () => {
     });
 
     it("removes cache file when run Prettier without `--cache` option", async () => {
-      await runCli(dir, ["--cache", "--write", "*.js"]);
+      await runCliWithoutGitignore(dir, ["--cache", "--write", "*.js"]);
       await expect(fs.stat(defaultCacheFile)).resolves.not.toThrowError();
-      await runCli(dir, ["--write", "*.js"]);
+      await runCliWithoutGitignore(dir, ["--write", "*.js"]);
       await expect(fs.stat(defaultCacheFile)).rejects.toThrowError();
     });
   });
@@ -550,7 +619,7 @@ describe("--cache option", () => {
         "code",
         "ENOENT"
       );
-      await runCli(dir, [
+      await runCliWithoutGitignore(dir, [
         "--cache",
         "--cache-location",
         nonDefaultCacheFileName,
@@ -563,7 +632,7 @@ describe("--cache option", () => {
     });
 
     it("throws error for invalid JSON file", async () => {
-      const { stderr } = await runCli(dir, [
+      const { stderr } = await runCliWithoutGitignore(dir, [
         "--cache",
         "--cache-location",
         "a.js",
@@ -580,7 +649,7 @@ describe("--cache option", () => {
           "code",
           "ENOENT"
         );
-        await runCli(dir, [
+        await runCliWithoutGitignore(dir, [
           "--cache",
           "--cache-location",
           nonDefaultCacheFileName,
@@ -599,7 +668,10 @@ describe("--cache option", () => {
           nonDefaultCacheFileName,
           "*.js",
         ];
-        const { stdout: firstStdout } = await runCli(dir, cliArguments);
+        const { stdout: firstStdout } = await runCliWithoutGitignore(
+          dir,
+          cliArguments
+        );
         expect(firstStdout.split("\n")).toEqual(
           expect.arrayContaining([
             expect.stringMatching(/^a\.js .+ms$/),
@@ -607,7 +679,10 @@ describe("--cache option", () => {
           ])
         );
 
-        const { stdout: secondStdout } = await runCli(dir, cliArguments);
+        const { stdout: secondStdout } = await runCliWithoutGitignore(
+          dir,
+          cliArguments
+        );
         expect(secondStdout.split("\n")).toEqual(
           expect.arrayContaining([
             expect.stringMatching(/^a\.js .+ms \(cached\)$/),

tests/integration/__tests__/file-info.js

@@ -25,7 +25,10 @@ describe("extracts file-info for a known markdown file with no extension", () =>
 });
 
 describe("extracts file-info with ignored=true for a file in .prettierignore", () => {
-  runCli("cli/ignore-path/", ["--file-info", "regular-module.js"]).test({
+  runCli("cli/ignore-path/file-info-test/", [
+    "--file-info",
+    "ignored-by-prettierignore.js",
+  ]).test({
     status: 0,
   });
 });
@@ -48,11 +51,11 @@ describe("file-info should not try resolve config with --no-config", () => {
   });
 });
 
-describe("extracts file-info with ignored=true for a file in a hand-picked .prettierignore", () => {
+describe("extracts file-info with ignored=true for a file in a hand-picked ignore file", () => {
   runCli("cli/", [
     "--file-info",
-    "regular-module.js",
-    "--ignore-path=ignore-path/.prettierignore",
+    "ignored-by-customignore.js",
+    "--ignore-path=ignore-path/file-info-test/.customignore",
   ]).test({
     status: 0,
   });
@@ -62,7 +65,7 @@ describe("non-exists ignore path", () => {
   runCli("cli/", [
     "--file-info",
     "regular-module.js",
-    "--ignore-path=ignore-path/non-exists/.prettierignore",
+    "--ignore-path=ignore-path/file-info-test/.non-exists-ignore-file",
   ]).test({
     status: 0,
   });
@@ -233,10 +236,13 @@ describe("API getFileInfo resolveConfig when no config is present", () => {
 
 test("API getFileInfo with ignorePath", async () => {
   const file = path.resolve(
-    path.join(__dirname, "../cli/ignore-path/regular-module.js")
+    path.join(
+      __dirname,
+      "../cli/ignore-path/file-info-test/ignored-by-customignore.js"
+    )
   );
   const ignorePath = path.resolve(
-    path.join(__dirname, "../cli/ignore-path/.prettierignore")
+    path.join(__dirname, "../cli/ignore-path/file-info-test/.customignore")
   );
 
   await expect(prettier.getFileInfo(file)).resolves.toMatchObject({

tests/integration/__tests__/ignore-path.js

@@ -1,67 +1,76 @@
-import path from "node:path";
-import fs from "node:fs";
-import createEsmUtils from "esm-utils";
-const { __dirname } = createEsmUtils(import.meta);
+import fs from "node:fs/promises";
 
-fs.writeFileSync(
-  // This file is in `.gitignore`, just copy from `regular-module.js`
-  path.join(__dirname, "../cli/ignore-path/other-regular-modules.js"),
-  fs.readFileSync(path.join(__dirname, "../cli/ignore-path/regular-module.js"))
+// `.js` files are ignored in `.gitignore`
+const files = [
+  "ignored-by-customignore.js",
+  "ignored-by-gitignore.js",
+  "ignored-by-prettierignore.js",
+].map(
+  (file) =>
+    new URL(`../cli/ignore-path/ignore-path-test/${file}`, import.meta.url)
 );
+const clean = () =>
+  Promise.all(files.map((file) => fs.rm(file, { force: true })));
+const setup = () =>
+  Promise.all(files.map((file) => fs.writeFile(file, "   a+   b")));
 
-describe("ignore path", () => {
-  runCli("cli/ignore-path", [
+beforeAll(async () => {
+  await clean();
+  await setup();
+});
+afterAll(clean);
+
+const getUnformattedFiles = async (args) => {
+  const { stdout } = await runCli("cli/ignore-path/ignore-path-test/", [
     "**/*.js",
-    "--ignore-path",
-    ".gitignore",
     "-l",
-  ]).test({
-    status: 1,
-    stderr: "",
-    write: [],
-  });
+    ...args,
+  ]);
+  return stdout ? stdout.split("\n").sort() : [];
+};
+
+test("custom ignore path", async () => {
+  expect(await getUnformattedFiles(["--ignore-path", ".customignore"])).toEqual(
+    ["ignored-by-gitignore.js", "ignored-by-prettierignore.js"]
+  );
 });
 
-describe("support .prettierignore", () => {
-  runCli("cli/ignore-path", ["**/*.js", "-l"]).test({
-    status: 1,
-    stderr: "",
-    write: [],
-  });
+test("ignore files by .prettierignore and .gitignore by default", async () => {
+  expect(
+    await getUnformattedFiles(["--ignore-path", ".non-exists-ignore-file"])
+  ).toEqual([
+    "ignored-by-customignore.js",
+    "ignored-by-gitignore.js",
+    "ignored-by-prettierignore.js",
+  ]);
+  expect(await getUnformattedFiles([])).toEqual([]);
 });
 
 describe("ignore file when using --debug-check", () => {
-  runCli("cli/ignore-path", ["**/*.js", "--debug-check"]).test({
-    status: 0,
-    stderr: "",
-    write: [],
-  });
-});
-
-describe("outputs files as-is if no --write", () => {
-  runCli("cli/ignore-path", ["regular-module.js"], {
-    ignoreLineEndings: true,
-  }).test({
-    status: 0,
-    stderr: "",
-    write: [],
-  });
-});
-
-describe("multiple `--ignore-path`", () => {
-  runCli("cli/ignore-path", [
+  runCli("cli/ignore-path/ignore-path-test/", [
     "**/*.js",
     "--debug-check",
     "--ignore-path",
-    ".gitignore",
-    "--ignore-path",
     ".prettierignore",
-    "--ignore-path",
-    ".non-exists-ignore-file",
   ]).test({
     status: 0,
-    stdout: "",
     stderr: "",
+    stdout: ["ignored-by-customignore.js", "ignored-by-gitignore.js"].join(
+      "\n"
+    ),
     write: [],
   });
 });
+
+test("multiple `--ignore-path`", async () => {
+  expect(
+    await getUnformattedFiles([
+      "--ignore-path",
+      ".customignore",
+      "--ignore-path",
+      ".prettierignore",
+      "--ignore-path",
+      ".non-exists-ignore-file",
+    ])
+  ).toEqual(["ignored-by-gitignore.js"]);
+});

tests/integration/__tests__/patterns-dirs.js

@@ -8,6 +8,9 @@ const { __dirname } = createEsmUtils(import.meta);
 
 expect.addSnapshotSerializer(jestPathSerializer);
 
+const runCliWithoutGitignore = (dir, args, options) =>
+  runCli(dir, [...args, "--ignore-path", ".prettierignore"], options);
+
 // ESLint-like behavior
 // https://github.com/prettier/prettier/pull/6639#issuecomment-548949954
 //
@@ -97,7 +100,7 @@ const uppercaseRocksPlugin = path.join(
   "tests/config/prettier-plugins/prettier-plugin-uppercase-rocks/index.js"
 );
 describe("plugins `.`", () => {
-  runCli("cli/dirs/plugins", [
+  runCliWithoutGitignore("cli/dirs/plugins", [
     ".",
     "-l",
     "--plugin",
@@ -109,7 +112,7 @@ describe("plugins `.`", () => {
   });
 });
 describe("plugins `*`", () => {
-  runCli("cli/dirs/plugins", [
+  runCliWithoutGitignore("cli/dirs/plugins", [
     "*",
     "-l",
     "--plugin",
@@ -331,7 +334,7 @@ function testPatterns(
       .join(" ");
 
   describe(testName, () => {
-    runCli(cwd, [...cliArgs, "-l"]).test({
+    runCliWithoutGitignore(cwd, [...cliArgs, "-l"]).test({
       write: [],
       ...(!("status" in expected) && { stderr: "", status: 1 }),
       ...expected,

tests/integration/cli/ignore-path/.gitignore

@@ -1 +0,0 @@
-other-regular-modules.js

tests/integration/cli/ignore-path/.prettierignore

@@ -1 +0,0 @@
-regular-module.js

tests/integration/cli/ignore-path/file-info-test/.customignore

@@ -0,0 +1 @@
+ignored-by-customignore.js

tests/integration/cli/ignore-path/file-info-test/.prettierignore

@@ -0,0 +1 @@
+ignored-by-prettierignore.js

tests/integration/cli/ignore-path/ignore-path-test/.customignore

@@ -0,0 +1 @@
+ignored-by-customignore.js

tests/integration/cli/ignore-path/ignore-path-test/.gitignore

@@ -0,0 +1 @@
+*.js

tests/integration/cli/ignore-path/ignore-path-test/.prettierignore

@@ -0,0 +1 @@
+ignored-by-prettierignore.js

tests/integration/cli/ignore-path/regular-module.js

@@ -1 +0,0 @@
-'use strict';