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watch: clarify completion/failure watch mode messages
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Browse Source 
clarify the messages that `node --watch` presents to the user
when the process terminates (either successfully or because of
some error) by clearly conveying that node is waiting for new
file changes before restarting the process

PR-URL: https://github.com/nodejs/node/pull/57926
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
This commit is contained in:
Dario Piotrowicz 2025-04-24 16:00:24 +02:00 committed by GitHub
parent 5d15cbb416
commit b665127963
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 48 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lib/internal/main/watch_mode.js
View File

@ -79,10 +79,11 @@ function start() {
}
child.once('exit', (code) => {
exited = true;
const waitingForChanges = 'Waiting for file changes before restarting...';
if (code === 0) {
process.stdout.write(`${blue}Completed running ${kCommandStr}${white}\n`);
process.stdout.write(`${blue}Completed running ${kCommandStr}. ${waitingForChanges}${white}\n`);
} else {
process.stdout.write(`${red}Failed running ${kCommandStr}${white}\n`);
process.stdout.write(`${red}Failed running ${kCommandStr}. ${waitingForChanges}${white}\n`);
}
});
return child;

90
test/sequential/test-watch-mode.mjs
View File

@ -171,10 +171,10 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -185,10 +185,10 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -209,7 +209,7 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
assert.deepStrictEqual(stdout, [
`Restarting ${inspect(jsFile)}`,
'ENV: value2',
`Completed running ${inspect(jsFile)}`,
`Completed running ${inspect(jsFile)}. Waiting for file changes before restarting...`,
]);
} finally {
await done();
@ -235,7 +235,7 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
`Restarting ${inspect(jsFile)}`,
'ENV: value1',
'ENV2: newValue',
`Completed running ${inspect(jsFile)}`,
`Completed running ${inspect(jsFile)}. Waiting for file changes before restarting...`,
]);
} finally {
await done();
@ -261,7 +261,7 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
`Restarting ${inspect(jsFile)}`,
'ENV: value1',
'ENV2: newValue',
`Completed running ${inspect(jsFile)}`,
`Completed running ${inspect(jsFile)}. Waiting for file changes before restarting...`,
]);
} finally {
await done();
@ -279,9 +279,9 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
assert.match(stderr, /Error: fails\r?\n/);
assert.deepStrictEqual(stdout, [
`Failed running ${inspect(file)}`,
`Failed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
`Failed running ${inspect(file)}`,
`Failed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -298,10 +298,10 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
assert.strictEqual(stderr, '');
});
@ -324,9 +324,9 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
assert.match(stderr, /Error: Cannot find module/g);
assert.deepStrictEqual(stdout, [
`Failed running ${inspect(file)}`,
`Failed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
`Failed running ${inspect(file)}`,
`Failed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -348,9 +348,9 @@ describe('watch mode', { concurrency: !process.env.TEST_PARALLEL, timeout: 60_00
assert.match(stderr, /Error: Cannot find module/g);
assert.deepStrictEqual(stdout, [
`Failed running ${inspect(file)}`,
`Failed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
`Failed running ${inspect(file)}`,
`Failed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -380,10 +380,10 @@ console.log(dependency);
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
'{}',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'{}',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -398,10 +398,10 @@ console.log(dependency);
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
'{}',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'{}',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -412,13 +412,13 @@ console.log(dependency);
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -435,10 +435,10 @@ console.log(values.random);
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
random,
`Completed running ${inspect(`${file} --random ${random}`)}`,
`Completed running ${inspect(`${file} --random ${random}`)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(`${file} --random ${random}`)}`,
random,
`Completed running ${inspect(`${file} --random ${random}`)}`,
`Completed running ${inspect(`${file} --random ${random}`)}. Waiting for file changes before restarting...`,
]);
});
@ -452,10 +452,10 @@ console.log(values.random);
assert.notStrictEqual(pid, importPid);
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -472,10 +472,10 @@ console.log(values.random);
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -521,10 +521,10 @@ console.log(values.random);
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -536,10 +536,10 @@ console.log(values.random);
assert.strictEqual(stderr, '');
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -567,11 +567,11 @@ console.log(values.random);
assert.deepStrictEqual(stdout, [
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -599,11 +599,11 @@ console.log(values.random);
assert.deepStrictEqual(stdout, [
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -631,11 +631,11 @@ console.log(values.random);
assert.deepStrictEqual(stdout, [
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -663,11 +663,11 @@ console.log(values.random);
assert.deepStrictEqual(stdout, [
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -679,10 +679,10 @@ console.log(values.random);
assert.match(stderr, /listening on ws:\/\//);
assert.deepStrictEqual(stdout, [
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -704,11 +704,11 @@ console.log(values.random);
assert.deepStrictEqual(stdout, [
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
`Restarting ${inspect(file)}`,
'hello',
'running',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
@ -788,7 +788,7 @@ process.on('message', (message) => {
`Restarting ${inspect(file)}`,
'running',
'Received: second message',
`Completed running ${inspect(file)}`,
`Completed running ${inspect(file)}. Waiting for file changes before restarting...`,
]);
});
});