Function getCompletionsAtPosition

test/fixtures/snapshot/typescript.js:132129–132187

(host, program, log, sourceFile, position, preferences, triggerCharacter, completionKind, cancellationToken, formatContext)

            }
        }
        function getCompletionsAtPosition(host, program, log, sourceFile, position, preferences, triggerCharacter, completionKind, cancellationToken, formatContext) {
            var _a;
            var previousToken = getRelevantTokens(position, sourceFile).previousToken;
            if (triggerCharacter && !ts.isInString(sourceFile, position, previousToken) && !isValidTrigger(sourceFile, triggerCharacter, previousToken, position)) {
                return undefined;
            }
            if (triggerCharacter === " ") {
                // `isValidTrigger` ensures we are at `import |`
                if (preferences.includeCompletionsForImportStatements && preferences.includeCompletionsWithInsertText) {
                    return { isGlobalCompletion: true, isMemberCompletion: false, isNewIdentifierLocation: true, isIncomplete: true, entries: [] };
                }
                return undefined;
            }
            // If the request is a continuation of an earlier `isIncomplete` response,
            // we can continue it from the cached previous response.
            var compilerOptions = program.getCompilerOptions();
            var incompleteCompletionsCache = preferences.allowIncompleteCompletions ? (_a = host.getIncompleteCompletionsCache) === null || _a === void 0 ? void 0 : _a.call(host) : undefined;
            if (incompleteCompletionsCache && completionKind === 3 /* CompletionTriggerKind.TriggerForIncompleteCompletions */ && previousToken && ts.isIdentifier(previousToken)) {
                var incompleteContinuation = continuePreviousIncompleteResponse(incompleteCompletionsCache, sourceFile, previousToken, program, host, preferences, cancellationToken);
                if (incompleteContinuation) {
                    return incompleteContinuation;
                }
            }
            else {
                incompleteCompletionsCache === null || incompleteCompletionsCache === void 0 ? void 0 : incompleteCompletionsCache.clear();
            }
            var stringCompletions = Completions.StringCompletions.getStringLiteralCompletions(sourceFile, position, previousToken, compilerOptions, host, program, log, preferences);
            if (stringCompletions) {
                return stringCompletions;
            }
            if (previousToken && ts.isBreakOrContinueStatement(previousToken.parent)
                && (previousToken.kind === 81 /* SyntaxKind.BreakKeyword */ || previousToken.kind === 86 /* SyntaxKind.ContinueKeyword */ || previousToken.kind === 79 /* SyntaxKind.Identifier */)) {
                return getLabelCompletionAtPosition(previousToken.parent);
            }
            var completionData = getCompletionData(program, log, sourceFile, compilerOptions, position, preferences, /*detailsEntryId*/ undefined, host, formatContext, cancellationToken);
            if (!completionData) {
                return undefined;
            }
            switch (completionData.kind) {
                case 0 /* CompletionDataKind.Data */:
                    var response = completionInfoFromData(sourceFile, host, program, compilerOptions, log, completionData, preferences, formatContext, position);
                    if (response === null || response === void 0 ? void 0 : response.isIncomplete) {
                        incompleteCompletionsCache === null || incompleteCompletionsCache === void 0 ? void 0 : incompleteCompletionsCache.set(response);
                    }
                    return response;
                case 1 /* CompletionDataKind.JsDocTagName */:
                    // If the current position is a jsDoc tag name, only tag names should be provided for completion
                    return jsdocCompletionInfo(ts.JsDoc.getJSDocTagNameCompletions());
                case 2 /* CompletionDataKind.JsDocTag */:
                    // If the current position is a jsDoc tag, only tags should be provided for completion
                    return jsdocCompletionInfo(ts.JsDoc.getJSDocTagCompletions());
                case 3 /* CompletionDataKind.JsDocParameterName */:
                    return jsdocCompletionInfo(ts.JsDoc.getJSDocParameterNameCompletions(completionData.tag));
                case 4 /* CompletionDataKind.Keywords */:
                    return specificKeywordCompletionInfo(completionData.keywordCompletions, completionData.isNewIdentifierLocation);
                default:
                    return ts.Debug.assertNever(completionData);
            }