Function containsTopLevelCommonjs

test/fixtures/snapshot/typescript.js:144755–144773

(sourceFile)

    ts.computeSuggestionDiagnostics = computeSuggestionDiagnostics;
    // convertToEsModule only works on top-level, so don't trigger it if commonjs code only appears in nested scopes.
    function containsTopLevelCommonjs(sourceFile) {
        return sourceFile.statements.some(function (statement) {
            switch (statement.kind) {
                case 237 /* SyntaxKind.VariableStatement */:
                    return statement.declarationList.declarations.some(function (decl) {
                        return !!decl.initializer && ts.isRequireCall(propertyAccessLeftHandSide(decl.initializer), /*checkArgumentIsStringLiteralLike*/ true);
                    });
                case 238 /* SyntaxKind.ExpressionStatement */: {
                    var expression = statement.expression;
                    if (!ts.isBinaryExpression(expression))
                        return ts.isRequireCall(expression, /*checkArgumentIsStringLiteralLike*/ true);
                    var kind = ts.getAssignmentDeclarationKind(expression);
                    return kind === 1 /* AssignmentDeclarationKind.ExportsProperty */ || kind === 2 /* AssignmentDeclarationKind.ModuleExports */;
                }
                default:
                    return false;
            }
        });
    }
    function propertyAccessLeftHandSide(node) {
        return ts.isPropertyAccessExpression(node) ? propertyAccessLeftHandSide(node.expression) : node;
    }