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fix: playground error when returning a function declaration VSCODE-669 #925

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merged 2 commits into from
Jan 29, 2025
Merged

fix: playground error when returning a function declaration VSCODE-669 #925

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46ef1db
fix: playground error when returning a function declaration
nirinchev Jan 28, 2025
534b866
any -> unknown
nirinchev Jan 29, 2025
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22 changes: 12 additions & 10 deletions src/language/worker.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@ import { NodeDriverServiceProvider } from '@mongosh/service-provider-node-driver
import { ElectronRuntime } from '@mongosh/browser-runtime-electron';
import { parentPort } from 'worker_threads';
import { ServerCommands } from './serverCommands';
import type { Document } from 'bson';

import type {
ShellEvaluateResult,
Expand All @@ -17,7 +16,7 @@ interface EvaluationResult {
type: string | null;
}

const getContent = ({ type, printable }: EvaluationResult): Document => {
const getContent = ({ type, printable }: EvaluationResult): unknown => {
if (type === 'Cursor' || type === 'AggregationCursor') {
return getEJSON(printable.documents);
}
Expand All @@ -27,11 +26,7 @@ const getContent = ({ type, printable }: EvaluationResult): Document => {
: getEJSON(printable);
};

export const getLanguage = (
evaluationResult: EvaluationResult
): 'json' | 'plaintext' => {
const content = getContent(evaluationResult);

export const getLanguage = (content: unknown): 'json' | 'plaintext' => {
if (typeof content === 'object' && content !== null) {
return 'json';
}
Expand Down Expand Up @@ -105,12 +100,19 @@ export const execute = async ({
? `${source.namespace.db}.${source.namespace.collection}`
: undefined;

// The RPC protocol can't handle functions and it wouldn't make sense to return them anyway. Since just
// declaring a function doesn't execute it, the best thing we can do is return undefined, similarly to
// what we do when there's no return value from the script.
const rpcSafePrintable =
typeof printable !== 'function' ? printable : undefined;

// Prepare a playground result.
const content = getContent({ type, printable: rpcSafePrintable });
const result = {
namespace,
type: type ? type : typeof printable,
content: getContent({ type, printable }),
language: getLanguage({ type, printable }),
type: type ? type : typeof rpcSafePrintable,
content,
language: getLanguage(content),
};

return { data: { result } };
Expand Down