/**
* Parser for build.gradle and build.gradle.kts (Gradle) dependencies.
*/
import { promises as fs } from 'fs';
import type { Dependency, DependencyScope, ManifestInfo } from '../../types/dependency-analysis.js';
import { parseMavenConstraint } from '../version-utils.js';
/**
* Parse build.gradle or build.gradle.kts file
*/
export async function parseBuildGradle(filePath: string): Promise<{
manifest: ManifestInfo;
dependencies: Dependency[];
}> {
const content = await fs.readFile(filePath, 'utf-8');
const isKotlin = filePath.endsWith('.kts');
const manifest: ManifestInfo = {
path: filePath,
type: isKotlin ? 'build.gradle.kts' : 'build.gradle',
ecosystem: 'gradle',
};
const dependencies: Dependency[] = [];
// Extract dependencies block
const depsMatch = /dependencies\s*\{([\s\S]*?)\n\s*\}/.exec(content);
if (!depsMatch) {
return { manifest, dependencies };
}
const depsContent = depsMatch[1];
// Match dependency declarations
// Supports formats like:
// implementation 'group:name:version'
// implementation("group:name:version")
// implementation group: 'group', name: 'name', version: 'version'
const depRegex = /(implementation|api|compileOnly|runtimeOnly|testImplementation|testRuntimeOnly|developmentOnly)\s*(?:\(|'|"|\s)([^)'"]+)/g;
let match;
while ((match = depRegex.exec(depsContent)) !== null) {
const scope = mapGradleScope(match[1]);
const depString = match[2].trim();
const dep = parseGradleDependency(depString, scope);
if (dep) {
dependencies.push(dep);
}
}
return { manifest, dependencies };
}
function parseGradleDependency(depString: string, scope: DependencyScope): Dependency | null {
// Handle format: group:name:version
const colonFormat = /^['"]?([^:'"]+):([^:'"]+):([^:'"]+)['"]?$/.exec(depString.trim());
if (colonFormat) {
const groupId = colonFormat[1];
const artifactId = colonFormat[2];
const version = colonFormat[3];
return {
name: `${groupId}:${artifactId}`,
version: parseMavenConstraint(version),
scope,
ecosystem: 'gradle',
isDirect: true,
};
}
// Handle format: group: 'group', name: 'name', version: 'version'
const groupMatch = /group:\s*['"]([^'"]+)['"]/.exec(depString);
const nameMatch = /name:\s*['"]([^'"]+)['"]/.exec(depString);
const versionMatch = /version:\s*['"]([^'"]+)['"]/.exec(depString);
if (groupMatch && nameMatch) {
const groupId = groupMatch[1];
const artifactId = nameMatch[1];
const version = versionMatch?.[1] ?? '+';
return {
name: `${groupId}:${artifactId}`,
version: parseMavenConstraint(version),
scope,
ecosystem: 'gradle',
isDirect: true,
};
}
return null;
}
function mapGradleScope(configuration: string): DependencyScope {
const lower = configuration.toLowerCase();
if (lower.includes('test')) {
return 'test';
}
if (lower === 'compileonly' || lower === 'developmentonly') {
return 'development';
}
if (lower === 'api' || lower === 'implementation' || lower === 'runtimeonly') {
return 'production';
}
return 'production';
}
