function generateImportDeclaration()

in benchmark/old.js [1902:2008]
55 lines of code
6 McCabe index (conditional complexity)

    function generateImportDeclaration(stmt, semicolon) {
        var result, cursor;

        // If no ImportClause is present,
        // this should be `import ModuleSpecifier` so skip `from`
        // ModuleSpecifier is StringLiteral.
        if (stmt.specifiers.length === 0) {
            // import ModuleSpecifier ;
            return [
                'import',
                space,
                // ModuleSpecifier
                generateExpression(stmt.source, {
                    precedence: Precedence.Sequence,
                    allowIn: true,
                    allowCall: true
                }),
                semicolon
            ];
        }

        // import ImportClause FromClause ;
        result = [
            'import'
        ];
        cursor = 0;

        // ImportedBinding
        if (stmt.specifiers[cursor].type === Syntax.ImportDefaultSpecifier) {
            result = join(result, [
                    generateExpression(stmt.specifiers[cursor], {
                        precedence: Precedence.Sequence,
                        allowIn: true,
                        allowCall: true
                    })
            ]);
            ++cursor;
        }

        if (stmt.specifiers[cursor]) {
            if (cursor !== 0) {
                result.push(',');
            }

            if (stmt.specifiers[cursor].type === Syntax.ImportNamespaceSpecifier) {
                // NameSpaceImport
                result = join(result, [
                        space,
                        generateExpression(stmt.specifiers[cursor], {
                            precedence: Precedence.Sequence,
                            allowIn: true,
                            allowCall: true
                        })
                ]);
            } else {
                // NamedImports
                result.push(space + '{');

                if ((stmt.specifiers.length - cursor) === 1) {
                    // import { ... } from "...";
                    result.push(space);
                    result.push(generateExpression(stmt.specifiers[cursor], {
                        precedence: Precedence.Sequence,
                        allowIn: true,
                        allowCall: true
                    }));
                    result.push(space + '}' + space);
                } else {
                    // import {
                    //    ...,
                    //    ...,
                    // } from "...";
                    withIndent(function (indent) {
                        var i, iz;
                        result.push(newline);
                        for (i = cursor, iz = stmt.specifiers.length; i < iz; ++i) {
                            result.push(indent);
                            result.push(generateExpression(stmt.specifiers[i], {
                                precedence: Precedence.Sequence,
                                allowIn: true,
                                allowCall: true
                            }));
                            if (i + 1 < iz) {
                                result.push(',' + newline);
                            }
                        }
                    });
                    if (!endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) {
                        result.push(newline);
                    }
                    result.push(base + '}' + space);
                }
            }
        }

        result = join(result, [
            'from' + space,
            // ModuleSpecifier
            generateExpression(stmt.source, {
                precedence: Precedence.Sequence,
                allowIn: true,
                allowCall: true
            }),
            semicolon
        ]);
        return result;
    }