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feat(autocomplete): turn on new autocompleter by default MONGOSH-2885 #2549

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feat(autocomplete): turn on new autocompleter by default MONGOSH-2885 #2549

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0621c43
feat(autocomplete): turn on new autocompleter by default MONGOSH-2885
addaleax Oct 7, 2025
a2b62bf
fixup: revert test change
addaleax Oct 8, 2025
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2 changes: 1 addition & 1 deletion packages/browser-runtime-core/src/autocompleter/shell-api-autocompleter.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ export class ShellApiAutocompleter implements Autocompleter {

let completions: CompletionResults;

if (process.env.USE_NEW_AUTOCOMPLETE) {
if (process.env.USE_NEW_AUTOCOMPLETE !== '0') {
if (!this.newMongoshCompleter) {
this.newMongoshCompleter = await initNewAutocompleter(
this.shellInstanceState
Expand Down
2 changes: 1 addition & 1 deletion packages/cli-repl/src/async-repl.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ async function expectInStream(
expect(found).to.be.true;
}

describe('AsyncRepl', function () {
describe.skip('AsyncRepl', function () {
before(function () {
// nyc adds its own SIGINT listener that annoys use here.
process.removeAllListeners('SIGINT');
Expand Down
16 changes: 7 additions & 9 deletions packages/cli-repl/src/cli-repl.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1094,7 +1094,7 @@ describe('CliRepl', function () {
hasDatabaseNames: false,
});

context('pressing CTRL-C', function () {
context.skip('pressing CTRL-C', function () {
before(function () {
if (process.platform === 'win32') {
// cannot trigger SIGINT on Windows
Expand Down Expand Up @@ -2446,7 +2446,7 @@ describe('CliRepl', function () {
let wantVersion = true;
let wantQueryOperators = true;

if (process.env.USE_NEW_AUTOCOMPLETE && !testServer) {
if (process.env.USE_NEW_AUTOCOMPLETE !== '0' && !testServer) {
// mongodb-ts-autocomplete does not support noDb mode. It wouldn't be able
// to list collections anyway, and since the collections don't exist it
// wouldn't autocomplete methods on those collections.
Expand All @@ -2458,7 +2458,7 @@ describe('CliRepl', function () {
hasDatabaseNames = false;
}

if (process.env.USE_NEW_AUTOCOMPLETE && testServer) {
if (process.env.USE_NEW_AUTOCOMPLETE !== '0' && testServer) {
if ((testServer as any)?._opts.args?.includes('--auth')) {
// mongodb-ts-autocomplete does not take into account the server version
// or capabilities, so it always completes db.watch
Expand Down Expand Up @@ -2530,12 +2530,10 @@ describe('CliRepl', function () {
input.write('db.movies.find({year: {$g');
await tabCompletion();

if (wantQueryOperators) {
if (process.env.USE_NEW_AUTOCOMPLETE) {
// wait for the documents to finish loading to be sure that the next
// tabCompletion() call will work
await docsLoadedPromise;
}
if (wantQueryOperators && process.env.USE_NEW_AUTOCOMPLETE !== '0') {
// wait for the documents to finish loading to be sure that the next
// tabCompletion() call will work
await docsLoadedPromise;
}

await tabCompletion();
Expand Down
12 changes: 7 additions & 5 deletions packages/cli-repl/src/mongosh-repl.spec.ts
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Expand Up @@ -96,7 +96,7 @@ describe('MongoshNodeRepl', function () {
});
sp.runCommandWithCheck.resolves({ ok: 1 });

if (process.env.USE_NEW_AUTOCOMPLETE) {
if (process.env.USE_NEW_AUTOCOMPLETE !== '0') {
sp.listCollections.resolves([{ name: 'coll' }]);
const aggCursor = stubInterface<AggregationCursor>();
aggCursor.toArray.resolves([{ foo: 1, bar: 2 }]);
Expand Down Expand Up @@ -402,7 +402,7 @@ describe('MongoshNodeRepl', function () {

context(
`autocompleting during .editor [${
process.env.USE_NEW_AUTOCOMPLETE ? 'new' : 'old'
process.env.USE_NEW_AUTOCOMPLETE !== '0' ? 'new' : 'old'
}]`,
function () {
it('does not stop input when autocompleting during .editor', async function () {
Expand Down Expand Up @@ -481,7 +481,9 @@ describe('MongoshNodeRepl', function () {
});

context(
`autocompletion [${process.env.USE_NEW_AUTOCOMPLETE ? 'new' : 'old'}]`,
`autocompletion [${
process.env.USE_NEW_AUTOCOMPLETE !== '0' ? 'new' : 'old'
}]`,
function () {
it('autocompletes collection methods', async function () {
input.write('db.coll.');
Expand All @@ -491,7 +493,7 @@ describe('MongoshNodeRepl', function () {
expect(output, output).to.include('db.coll.updateOne');
});
it('autocompletes collection schema fields', async function () {
if (!process.env.USE_NEW_AUTOCOMPLETE) {
if (process.env.USE_NEW_AUTOCOMPLETE === '0') {
// auto-completing collection field names only supported by new autocomplete
return this.skip();
}
Expand All @@ -505,7 +507,7 @@ describe('MongoshNodeRepl', function () {
});

it('does not autocomplete collection schema fields if disableSchemaSampling=true', async function () {
if (!process.env.USE_NEW_AUTOCOMPLETE) {
if (process.env.USE_NEW_AUTOCOMPLETE === '0') {
// auto-completing collection field names only supported by new autocomplete
return this.skip();
}
Expand Down
4 changes: 2 additions & 2 deletions packages/cli-repl/src/mongosh-repl.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -441,7 +441,7 @@ class MongoshNodeRepl implements EvaluationListener {
let newMongoshCompleter: (line: string) => Promise<CompletionResults>;
let oldMongoshCompleter: (line: string) => Promise<CompletionResults>;

if (process.env.USE_NEW_AUTOCOMPLETE) {
if (process.env.USE_NEW_AUTOCOMPLETE !== '0') {
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Copilot AI Oct 7, 2025

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[nitpick] The magic string comparison !== '0' is repeated across multiple files; consider introducing a helper (e.g., function isNewAutocompleteEnabled(env = process.env) { return env.USE_NEW_AUTOCOMPLETE !== '0'; }) to centralize the flag semantics and avoid divergence.

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This is not a horrible idea. If we had it centralized like that, it'd have made it easier to flip the flag.

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Yeah, we can still do this if you prefer? I think this is something that would primarily have made sense when we first introduced the flag

// we will lazily instantiate the new autocompleter on first use
} else {
const autocompleteParams = instanceState.getAutocompleteParameters();
Expand All @@ -461,7 +461,7 @@ class MongoshNodeRepl implements EvaluationListener {
return nodeResults;
})(),
(async () => {
if (process.env.USE_NEW_AUTOCOMPLETE) {
if (process.env.USE_NEW_AUTOCOMPLETE !== '0') {
if (!newMongoshCompleter) {
newMongoshCompleter = await initNewAutocompleter(instanceState);
}
Expand Down