Function computeSuggestionDiagnostics

test/fixtures/snapshot/typescript.js:144696–144752

(sourceFile, program, cancellationToken)

(function (ts) {
    var visitedNestedConvertibleFunctions = new ts.Map();
    function computeSuggestionDiagnostics(sourceFile, program, cancellationToken) {
        program.getSemanticDiagnostics(sourceFile, cancellationToken);
        var diags = [];
        var checker = program.getTypeChecker();
        var isCommonJSFile = sourceFile.impliedNodeFormat === ts.ModuleKind.CommonJS || ts.fileExtensionIsOneOf(sourceFile.fileName, [".cts" /* Extension.Cts */, ".cjs" /* Extension.Cjs */]);
        if (!isCommonJSFile &&
            sourceFile.commonJsModuleIndicator &&
            (ts.programContainsEsModules(program) || ts.compilerOptionsIndicateEsModules(program.getCompilerOptions())) &&
            containsTopLevelCommonjs(sourceFile)) {
            diags.push(ts.createDiagnosticForNode(getErrorNodeFromCommonJsIndicator(sourceFile.commonJsModuleIndicator), ts.Diagnostics.File_is_a_CommonJS_module_it_may_be_converted_to_an_ES_module));
        }
        var isJsFile = ts.isSourceFileJS(sourceFile);
        visitedNestedConvertibleFunctions.clear();
        check(sourceFile);
        if (ts.getAllowSyntheticDefaultImports(program.getCompilerOptions())) {
            for (var _i = 0, _a = sourceFile.imports; _i < _a.length; _i++) {
                var moduleSpecifier = _a[_i];
                var importNode = ts.importFromModuleSpecifier(moduleSpecifier);
                var name = importNameForConvertToDefaultImport(importNode);
                if (!name)
                    continue;
                var module_1 = ts.getResolvedModule(sourceFile, moduleSpecifier.text, ts.getModeForUsageLocation(sourceFile, moduleSpecifier));
                var resolvedFile = module_1 && program.getSourceFile(module_1.resolvedFileName);
                if (resolvedFile && resolvedFile.externalModuleIndicator && resolvedFile.externalModuleIndicator !== true && ts.isExportAssignment(resolvedFile.externalModuleIndicator) && resolvedFile.externalModuleIndicator.isExportEquals) {
                    diags.push(ts.createDiagnosticForNode(name, ts.Diagnostics.Import_may_be_converted_to_a_default_import));
                }
            }
        }
        ts.addRange(diags, sourceFile.bindSuggestionDiagnostics);
        ts.addRange(diags, program.getSuggestionDiagnostics(sourceFile, cancellationToken));
        return diags.sort(function (d1, d2) { return d1.start - d2.start; });
        function check(node) {
            if (isJsFile) {
                if (canBeConvertedToClass(node, checker)) {
                    diags.push(ts.createDiagnosticForNode(ts.isVariableDeclaration(node.parent) ? node.parent.name : node, ts.Diagnostics.This_constructor_function_may_be_converted_to_a_class_declaration));
                }
            }
            else {
                if (ts.isVariableStatement(node) &&
                    node.parent === sourceFile &&
                    node.declarationList.flags & 2 /* NodeFlags.Const */ &&
                    node.declarationList.declarations.length === 1) {
                    var init = node.declarationList.declarations[0].initializer;
                    if (init && ts.isRequireCall(init, /*checkArgumentIsStringLiteralLike*/ true)) {
                        diags.push(ts.createDiagnosticForNode(init, ts.Diagnostics.require_call_may_be_converted_to_an_import));
                    }
                }
                if (ts.codefix.parameterShouldGetTypeFromJSDoc(node)) {
                    diags.push(ts.createDiagnosticForNode(node.name || node, ts.Diagnostics.JSDoc_types_may_be_moved_to_TypeScript_types));
                }
            }
            if (canBeConvertedToAsync(node)) {
                addConvertToAsyncFunctionDiagnostics(node, checker, diags);
            }
            node.forEachChild(check);
        }
    }
    ts.computeSuggestionDiagnostics = computeSuggestionDiagnostics;