test: add lint rule to enforce trailing commas

Only activated on some subfolders to minimize the diff, ideally this rule would be applied gradually to the entire codebase in follow-up commits. PR-URL: https://github.com/nodejs/node/pull/45468 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
2024-11-21 10:59:27 +00:00 · 2022-11-17 08:02:11 -05:00 · 2022-11-17 08:02:11 -05:00 · bd462ad81b
commit bd462ad81b
parent 6638f09fe1
22 changed files with 130 additions and 102 deletions
--- a/test/.eslintrc.yaml
+++ b/test/.eslintrc.yaml
@ -8,6 +8,7 @@ rules:
  multiline-comment-style: [error, separate-lines]
  prefer-const: error
  symbol-description: off
+  comma-dangle: [error, always-multiline]

  no-restricted-syntax:
    # Config copied from .eslintrc.js
@ -68,3 +69,30 @@ rules:
 # Global scoped methods and vars
 globals:
  WebAssembly: false
+
+overrides:
+  - files:
+      - addons/*/*.js
+      - async-hooks/*.js
+      - common/*.js
+      - es-module/*.js
+      - es-module/*.mjs
+      - internet/*.js
+      - js-native-api/*/*.js
+      - known_issues/*.js
+      - message/*.js
+      - node-api/*/*.js
+      - parallel/*.js
+      - parallel/*.mjs
+      - pseudo-tty/*.js
+      - pummel/*.js
+      - sequential/*.js
+      - sequential/*.mjs
+    rules:
+      comma-dangle: [error, {
+        arrays: always-multiline,
+        exports: only-multiline,
+        functions: only-multiline,
+        imports: only-multiline,
+        objects: only-multiline,
+      }]
--- a/test/common/README.md
+++ b/test/common/README.md
@ -110,20 +110,20 @@ expectWarning('DeprecationWarning', [

 expectWarning('DeprecationWarning', {
  DEP0XXX: 'Foobar is deprecated',
-  DEP0XX2: 'Baz is also deprecated'
+  DEP0XX2: 'Baz is also deprecated',
 });

 expectWarning({
  DeprecationWarning: {
    DEP0XXX: 'Foobar is deprecated',
-    DEP0XX1: 'Baz is also deprecated'
+    DEP0XX1: 'Baz is also deprecated',
  },
  Warning: [
    ['Multiple array entries are fine', 'SpecialWarningCode'],
    ['No code is also fine'],
  ],
  SingleEntry: ['This will also work', 'WarningCode'],
-  SingleString: 'Single string entries without code will also work'
+  SingleString: 'Single string entries without code will also work',
 });
 ```

@ -720,7 +720,7 @@ validateSnapshotNodes('TLSWRAP', [
      { name: 'enc_out' },
      { name: 'enc_in' },
      { name: 'TLSWrap' },
-    ]
+    ],
  },
 ]);
 ```
--- a/test/common/wpt/worker.js
+++ b/test/common/wpt/worker.js
@ -9,7 +9,7 @@ const resource = new ResourceLoader(workerData.wptPath);
 global.self = global;
 global.GLOBAL = {
  isWindow() { return false; },
-  isShadowRealm() { return false; }
+  isShadowRealm() { return false; },
 };
 global.require = require;

@ -25,7 +25,7 @@ if (workerData.initScript) {
 }

 runInThisContext(workerData.harness.code, {
-  filename: workerData.harness.filename
+  filename: workerData.harness.filename,
 });

 // eslint-disable-next-line no-undef
--- a/test/doctool/test-apilinks.mjs
+++ b/test/doctool/test-apilinks.mjs
@ -23,7 +23,7 @@ fs.readdirSync(apilinks).forEach((fixture) => {
  execFileSync(
    process.execPath,
    [script, outputPath, input],
-    { encoding: 'utf-8' }
+    { encoding: 'utf-8' },
  );

  const expectedLinks = JSON.parse(expectedContent);
@ -38,6 +38,6 @@ fs.readdirSync(apilinks).forEach((fixture) => {

  assert.strictEqual(
    Object.keys(actualLinks).length, 0,
-    `unexpected links returned ${JSON.stringify(actualLinks)}`
+    `unexpected links returned ${JSON.stringify(actualLinks)}`,
  );
 });
--- a/test/doctool/test-deprecation-codes.js
+++ b/test/doctool/test-deprecation-codes.js
@ -10,7 +10,7 @@ const script = path.join(
  '..',
  'tools',
  'doc',
-  'deprecationCodes.mjs'
+  'deprecationCodes.mjs',
 );

 const mdPath = path.join(
@ -19,7 +19,7 @@ const mdPath = path.join(
  '..',
  'doc',
  'api',
-  'deprecations.md'
+  'deprecations.md',
 );

 const cp = spawn(process.execPath, [script, mdPath], { encoding: 'utf-8', stdio: 'inherit' });
--- a/test/doctool/test-doctool-html.mjs
+++ b/test/doctool/test-doctool-html.mjs
@ -23,8 +23,8 @@ import {
 const testLinksMapper = {
  'foo': {
    'command line options': 'cli.html#cli-options',
-    'web server': 'example.html'
-  }
+    'web server': 'example.html',
+  },
 };

 function toHTML({ input, filename, nodeVersion, versions }) {
@ -58,7 +58,7 @@ const testData = [
      'id="foo_static_method_buffer_from_array"></a></h4>' +
      '<ul><li><code>array</code><a ' +
      'href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/' +
-      'Reference/Global_Objects/Array" class="type">&#x3C;Array></a></li></ul>'
+      'Reference/Global_Objects/Array" class="type">&#x3C;Array></a></li></ul>',
  },
  {
    file: fixtures.path('doc_with_yaml.md'),
@ -99,7 +99,7 @@ const testData = [
      '" id="something">#</a></span>' +
      '<a aria-hidden="true" class="legacy" id="foo_something"></a></h3>' +
      '<!-- This is not a metadata comment --> ' +
-      '<p>Describe <code>Something</code> in more detail here. </p></section>'
+      '<p>Describe <code>Something</code> in more detail here. </p></section>',
  },
  {
    file: fixtures.path('sample_document.md'),
@ -129,7 +129,7 @@ const testData = [
    '<h3>See also<span><a class="mark"' +
    'href="#see-also" id="see-also">#</a></span><a aria-hidden="true"' +
    'class="legacy" id="foo_see_also"></a></h3><p>Check' +
-    'out also<a href="https://nodejs.org/">this guide</a></p></section>'
+    'out also<a href="https://nodejs.org/">this guide</a></p></section>',
  },
  {
    file: fixtures.path('document_with_special_heading.md'),
--- a/test/doctool/test-doctool-json.mjs
+++ b/test/doctool/test-doctool-json.mjs
@ -41,12 +41,12 @@ const testData = [
          desc: '<ol>\n<li>fish</li>\n<li>fish</li>\n</ol>\n' +
                  '<ul>\n<li>Red fish</li>\n<li>Blue fish</li>\n</ul>',
          type: 'module',
-          displayName: 'Seussian Rhymes'
+          displayName: 'Seussian Rhymes',
        }],
        type: 'module',
-        displayName: 'Sample Markdown'
-      }]
-    }
+        displayName: 'Sample Markdown',
+      }],
+    },
  },
  {
    file: fixtures.path('order_of_end_tags_5873.md'),
@ -68,18 +68,18 @@ const testData = [
                params: [{
                  textRaw: '`array` {Array}',
                  name: 'array',
-                  type: 'Array'
-                }]
+                  type: 'Array',
+                }],
              },
-            ]
+            ],
          }],
          type: 'module',
-          displayName: 'Subsection'
+          displayName: 'Subsection',
        }],
        type: 'module',
-        displayName: 'Title'
-      }]
-    }
+        displayName: 'Title',
+      }],
+    },
  },
  {
    file: fixtures.path('doc_with_yaml.md'),
@ -96,12 +96,12 @@ const testData = [
              name: 'foobar',
              meta: {
                added: ['v1.0.0'],
-                changes: []
+                changes: [],
              },
              desc: '<p>Describe <code>Foobar</code> in more detail ' +
                'here.</p>',
              type: 'module',
-              displayName: 'Foobar'
+              displayName: 'Foobar',
            },
            {
              textRaw: 'Foobar II',
@ -113,12 +113,12 @@ const testData = [
                    'pr-url': 'https://github.com/nodejs/node/pull/3276',
                    'description': 'The `error` parameter can now be ' +
                      'an arrow function.' },
-                ]
+                ],
              },
              desc: '<p>Describe <code>Foobar II</code> in more detail ' +
                'here. fg(1)</p>',
              type: 'module',
-              displayName: 'Foobar II'
+              displayName: 'Foobar II',
            },
            {
              textRaw: 'Deprecated thingy',
@ -126,12 +126,12 @@ const testData = [
              meta: {
                added: ['v1.0.0'],
                deprecated: ['v2.0.0'],
-                changes: []
+                changes: [],
              },
              desc: '<p>Describe <code>Deprecated thingy</code> in more ' +
                'detail here. fg(1p)</p>',
              type: 'module',
-              displayName: 'Deprecated thingy'
+              displayName: 'Deprecated thingy',
            },
            {
              textRaw: 'Something',
@ -139,14 +139,14 @@ const testData = [
              desc: '<!-- This is not a metadata comment -->\n<p>' +
                'Describe <code>Something</code> in more detail here.</p>',
              type: 'module',
-              displayName: 'Something'
+              displayName: 'Something',
            },
          ],
          type: 'module',
-          displayName: 'Sample Markdown with YAML info'
+          displayName: 'Sample Markdown with YAML info',
        },
-      ]
-    }
+      ],
+    },
  },
  {
    file: fixtures.path('doc_with_backticks_in_headings.md'),
@ -160,7 +160,7 @@ const testData = [
          properties: [
            {
              name: 'fullName',
-              textRaw: '`Fqhqwhgads.fullName`'
+              textRaw: '`Fqhqwhgads.fullName`',
            },
          ],
          classMethods: [
@ -168,18 +168,18 @@ const testData = [
              name: 'again',
              signatures: [
                {
-                  params: []
+                  params: [],
                },
              ],
              textRaw: 'Static method: `Fhqwhgads.again()`',
-              type: 'classMethod'
+              type: 'classMethod',
            },
          ],
          classes: [
            {
              textRaw: 'Class: `ComeOn`',
              type: 'class',
-              name: 'ComeOn'
+              name: 'ComeOn',
            },
          ],
          ctors: [
@ -187,11 +187,11 @@ const testData = [
              name: 'Fhqwhgads',
              signatures: [
                {
-                  params: []
+                  params: [],
                },
              ],
              textRaw: 'Constructor: `new Fhqwhgads()`',
-              type: 'ctor'
+              type: 'ctor',
            },
          ],
          methods: [
@ -199,7 +199,7 @@ const testData = [
              textRaw: '`everybody.to(limit)`',
              type: 'method',
              name: 'to',
-              signatures: [{ params: [] }]
+              signatures: [{ params: [] }],
            },
          ],
          events: [
@ -207,14 +207,14 @@ const testData = [
              textRaw: "Event: `'FHQWHfest'`",
              type: 'event',
              name: 'FHQWHfest',
-              params: []
+              params: [],
            },
          ],
          type: 'module',
-          displayName: 'Fhqwhgads'
+          displayName: 'Fhqwhgads',
        },
-      ]
-    }
+      ],
+    },
  },
 ];

--- a/test/doctool/test-make-doc.mjs
+++ b/test/doctool/test-make-doc.mjs
@ -21,7 +21,7 @@ const actualDocs = allDocs.filter(
  (name) => {
    const extension = path.extname(name);
    return extension === '.html' || extension === '.json';
-  }
+  },
 );

 for (const name of actualDocs) {
@ -29,7 +29,7 @@ for (const name of actualDocs) {

  assert.ok(
    allMD.includes(name.replace(/\.\w+$/, '.md')),
-    `Unexpected output: out/doc/api/${name}, remove and rerun.`
+    `Unexpected output: out/doc/api/${name}, remove and rerun.`,
  );
 }

@ -66,6 +66,6 @@ for (const actualDoc of actualDocs) {
  assert.notStrictEqual(
    fs.statSync(new URL(`./${actualDoc}`, apiURL)).size,
    0,
-    `${actualDoc} is empty`
+    `${actualDoc} is empty`,
  );
 }
--- a/test/report/test-report-config.js
+++ b/test/report/test-report-config.js
@ -76,13 +76,13 @@ if (!common.isWindows) {
    process.report.signal = 'foo';
  }, {
    code: 'ERR_UNKNOWN_SIGNAL',
-    message: 'Unknown signal: foo'
+    message: 'Unknown signal: foo',
  });
  assert.throws(() => {
    process.report.signal = 'sigusr1';
  }, {
    code: 'ERR_UNKNOWN_SIGNAL',
-    message: 'Unknown signal: sigusr1 (signals must use all capital letters)'
+    message: 'Unknown signal: sigusr1 (signals must use all capital letters)',
  });
  assert.strictEqual(process.report.signal, 'SIGUSR2');
  process.report.signal = 'SIGUSR1';
--- a/test/report/test-report-uncaught-exception-compat.js
+++ b/test/report/test-report-uncaught-exception-compat.js
@ -17,7 +17,7 @@ const child = childProcess.spawn(process.execPath, [
  __filename,
  'child',
 ], {
-  cwd: tmpdir.path
+  cwd: tmpdir.path,
 });
 child.on('exit', common.mustCall((code) => {
  assert.strictEqual(code, 1);
--- a/test/tick-processor/test-tick-processor-builtin.js
+++ b/test/tick-processor/test-tick-processor-builtin.js
@ -14,5 +14,5 @@ base.runTest({
           this.ts = Date.now();
           setImmediate(function() { new f(); });
         };
-         f();`
+         f();`,
 });
--- a/test/tick-processor/test-tick-processor-cpp-core.js
+++ b/test/tick-processor/test-tick-processor-cpp-core.js
@ -14,5 +14,5 @@ base.runTest({
           require('vm').createContext({});
           setImmediate(function() { f(); });
         };
-         f();`
+         f();`,
 });
--- a/test/tick-processor/test-tick-processor-polyfill-brokenfile.js
+++ b/test/tick-processor/test-tick-processor-polyfill-brokenfile.js
@ -36,7 +36,7 @@ const proc = spawn(process.execPath, [
  '--prof',
  '-pe', code,
 ], {
-  stdio: ['ignore', 'pipe', 'inherit']
+  stdio: ['ignore', 'pipe', 'inherit'],
 });

 let ticks = '';
--- a/test/tick-processor/test-tick-processor-preprocess-flag.js
+++ b/test/tick-processor/test-tick-processor-preprocess-flag.js
@ -15,5 +15,5 @@ base.runTest({
           setImmediate(function() { f(); });
         };
         f();`,
-  profProcessFlags: ['--preprocess']
+  profProcessFlags: ['--preprocess'],
 });
--- a/test/tick-processor/test-tick-processor-unknown.js
+++ b/test/tick-processor/test-tick-processor-unknown.js
@ -21,5 +21,5 @@ base.runTest({
           }
           setImmediate(function() { f(); });
         };
-         f();`
+         f();`,
 });
--- a/test/tick-processor/tick-processor-base.js
+++ b/test/tick-processor/tick-processor-base.js
@ -17,7 +17,7 @@ function runTest(test) {
    '--prof',
    '-pe', test.code,
  ], {
-    stdio: [ 'ignore', 'pipe', 'inherit' ]
+    stdio: [ 'ignore', 'pipe', 'inherit' ],
  });

  let ticks = '';
@ -39,7 +39,7 @@ function match(pattern, parent, ticks, flags = []) {
    ...flags,
    LOG_FILE,
  ], {
-    stdio: [ 'ignore', 'pipe', 'inherit' ]
+    stdio: [ 'ignore', 'pipe', 'inherit' ],
  });

  let out = '';
--- a/test/tick-processor/util.js
+++ b/test/tick-processor/util.js
@ -6,7 +6,7 @@ const {
  isSunOS,
  isAIX,
  isLinuxPPCBE,
-  isFreeBSD
+  isFreeBSD,
 } = require('../common');

 module.exports = {
@ -14,5 +14,5 @@ module.exports = {
                         isSunOS ||
                         isAIX ||
                         isLinuxPPCBE ||
-                         isFreeBSD
+                         isFreeBSD,
 };
--- a/test/wasi/test-wasi-initialize-validation.js
+++ b/test/wasi/test-wasi-initialize-validation.js
@ -18,8 +18,8 @@ const bufferSource = fixtures.readSync('simple.wasm');
      () => { wasi.initialize(); },
      {
        code: 'ERR_INVALID_ARG_TYPE',
-        message: /"instance" argument must be of type object/
-      }
+        message: /"instance" argument must be of type object/,
+      },
    );
  }

@ -34,8 +34,8 @@ const bufferSource = fixtures.readSync('simple.wasm');
      () => { wasi.initialize(instance); },
      {
        code: 'ERR_INVALID_ARG_TYPE',
-        message: /"instance\.exports" property must be of type object/
-      }
+        message: /"instance\.exports" property must be of type object/,
+      },
    );
  }

@ -57,8 +57,8 @@ const bufferSource = fixtures.readSync('simple.wasm');
      () => { wasi.initialize(instance); },
      {
        code: 'ERR_INVALID_ARG_TYPE',
-        message: /"instance\.exports\._initialize" property must be of type function/
-      }
+        message: /"instance\.exports\._initialize" property must be of type function/,
+      },
    );
  }

@ -75,7 +75,7 @@ const bufferSource = fixtures.readSync('simple.wasm');
          _initialize() {},
          memory: new WebAssembly.Memory({ initial: 1 }),
        };
-      }
+      },
    });
    assert.throws(
      () => { wasi.initialize(instance); },
@ -83,7 +83,7 @@ const bufferSource = fixtures.readSync('simple.wasm');
        code: 'ERR_INVALID_ARG_TYPE',
        message: 'The "instance.exports._start" property must be' +
          ' undefined. Received function _start',
-      }
+      },
    );
  }

@ -94,14 +94,14 @@ const bufferSource = fixtures.readSync('simple.wasm');
    const instance = await WebAssembly.instantiate(wasm);

    Object.defineProperty(instance, 'exports', {
-      get() { return { _initialize() {} }; }
+      get() { return { _initialize() {} }; },
    });
    assert.throws(
      () => { wasi.initialize(instance); },
      {
        code: 'ERR_INVALID_ARG_TYPE',
-        message: /"instance\.exports\.memory" property must be a WebAssembly\.Memory object/
-      }
+        message: /"instance\.exports\.memory" property must be a WebAssembly\.Memory object/,
+      },
    );
  }

@ -139,17 +139,17 @@ const bufferSource = fixtures.readSync('simple.wasm');
      get() {
        return {
          _initialize() {},
-          memory: new WebAssembly.Memory({ initial: 1 })
+          memory: new WebAssembly.Memory({ initial: 1 }),
        };
-      }
+      },
    });
    wasi.initialize(instance);
    assert.throws(
      () => { wasi.initialize(instance); },
      {
        code: 'ERR_WASI_ALREADY_STARTED',
-        message: /^WASI instance has already started$/
-      }
+        message: /^WASI instance has already started$/,
+      },
    );
  }
 })().then(common.mustCall());
--- a/test/wasi/test-wasi-not-started.js
+++ b/test/wasi/test-wasi-not-started.js
@ -8,7 +8,7 @@ if (process.argv[2] === 'wasi-child') {

  const { WASI } = require('wasi');
  const wasi = new WASI({
-    args: ['foo', '-bar', '--baz=value']
+    args: ['foo', '-bar', '--baz=value'],
  });
  const importObject = { wasi_snapshot_preview1: wasi.wasiImport };

@ -21,7 +21,7 @@ if (process.argv[2] === 'wasi-child') {
  }, {
    name: 'Error',
    code: 'ERR_WASI_NOT_STARTED',
-    message: 'wasi.start() has not been called'
+    message: 'wasi.start() has not been called',
  });
 } else {
  const assert = require('assert');
@ -32,7 +32,7 @@ if (process.argv[2] === 'wasi-child') {
    __filename,
    'wasi-child',
  ], {
-    env: { ...process.env, NODE_DEBUG_NATIVE: 'wasi' }
+    env: { ...process.env, NODE_DEBUG_NATIVE: 'wasi' },
  });
  assert.strictEqual(child.signal, null);
  assert.strictEqual(child.status, 0);
--- a/test/wasi/test-wasi-start-validation.js
+++ b/test/wasi/test-wasi-start-validation.js
@ -18,8 +18,8 @@ const bufferSource = fixtures.readSync('simple.wasm');
      () => { wasi.start(); },
      {
        code: 'ERR_INVALID_ARG_TYPE',
-        message: /"instance" argument must be of type object/
-      }
+        message: /"instance" argument must be of type object/,
+      },
    );
  }

@ -34,8 +34,8 @@ const bufferSource = fixtures.readSync('simple.wasm');
      () => { wasi.start(instance); },
      {
        code: 'ERR_INVALID_ARG_TYPE',
-        message: /"instance\.exports" property must be of type object/
-      }
+        message: /"instance\.exports" property must be of type object/,
+      },
    );
  }

@ -54,8 +54,8 @@ const bufferSource = fixtures.readSync('simple.wasm');
      () => { wasi.start(instance); },
      {
        code: 'ERR_INVALID_ARG_TYPE',
-        message: /"instance\.exports\._start" property must be of type function/
-      }
+        message: /"instance\.exports\._start" property must be of type function/,
+      },
    );
  }

@ -72,7 +72,7 @@ const bufferSource = fixtures.readSync('simple.wasm');
          _initialize() {},
          memory: new WebAssembly.Memory({ initial: 1 }),
        };
-      }
+      },
    });
    assert.throws(
      () => { wasi.start(instance); },
@ -80,7 +80,7 @@ const bufferSource = fixtures.readSync('simple.wasm');
        code: 'ERR_INVALID_ARG_TYPE',
        message: 'The "instance.exports._initialize" property must be' +
          ' undefined. Received function _initialize',
-      }
+      },
    );
  }

@ -91,14 +91,14 @@ const bufferSource = fixtures.readSync('simple.wasm');
    const instance = await WebAssembly.instantiate(wasm);

    Object.defineProperty(instance, 'exports', {
-      get() { return { _start() {} }; }
+      get() { return { _start() {} }; },
    });
    assert.throws(
      () => { wasi.start(instance); },
      {
        code: 'ERR_INVALID_ARG_TYPE',
-        message: /"instance\.exports\.memory" property must be a WebAssembly\.Memory object/
-      }
+        message: /"instance\.exports\.memory" property must be a WebAssembly\.Memory object/,
+      },
    );
  }

@ -136,17 +136,17 @@ const bufferSource = fixtures.readSync('simple.wasm');
      get() {
        return {
          _start() {},
-          memory: new WebAssembly.Memory({ initial: 1 })
+          memory: new WebAssembly.Memory({ initial: 1 }),
        };
-      }
+      },
    });
    wasi.start(instance);
    assert.throws(
      () => { wasi.start(instance); },
      {
        code: 'ERR_WASI_ALREADY_STARTED',
-        message: /^WASI instance has already started$/
-      }
+        message: /^WASI instance has already started$/,
+      },
    );
  }
 })().then(common.mustCall());
--- a/test/wasi/test-wasi-symlinks.js
+++ b/test/wasi/test-wasi-symlinks.js
@ -14,8 +14,8 @@ if (process.argv[2] === 'wasi-child') {
    env: process.env,
    preopens: {
      '/sandbox': process.argv[4],
-      '/tmp': process.argv[5]
-    }
+      '/tmp': process.argv[5],
+    },
  });
  const importObject = { wasi_snapshot_preview1: wasi.wasiImport };
  const modulePath = path.join(wasmDir, `${process.argv[3]}.wasm`);
--- a/test/wasi/test-wasi.js
+++ b/test/wasi/test-wasi.js
@ -18,8 +18,8 @@ if (process.argv[2] === 'wasi-child') {
    env: process.env,
    preopens: {
      '/sandbox': fixtures.path('wasi'),
-      '/tmp': tmpdir.path
-    }
+      '/tmp': tmpdir.path,
+    },
  });
  const importObject = { wasi_snapshot_preview1: wasi.wasiImport };
  const modulePath = path.join(wasmDir, `${process.argv[3]}.wasm`);
@ -41,8 +41,8 @@ if (process.argv[2] === 'wasi-child') {
      env: {
        ...process.env,
        NODE_DEBUG_NATIVE: 'wasi',
-        NODE_PLATFORM: process.platform
-      }
+        NODE_PLATFORM: process.platform,
+      },
    };

    if (options.stdin !== undefined)
@ -89,7 +89,7 @@ if (process.argv[2] === 'wasi-child') {
  runWASI({ test: 'read_file', stdout: `hello from input.txt${checkoutEOL}` });
  runWASI({
    test: 'read_file_twice',
-    stdout: `hello from input.txt${checkoutEOL}hello from input.txt${checkoutEOL}`
+    stdout: `hello from input.txt${checkoutEOL}hello from input.txt${checkoutEOL}`,
  });
  runWASI({ test: 'stat' });
  runWASI({ test: 'write_file' });