dpdm/lib/parser.spec.js

Analyze circular dependencies in your JavaScript/TypeScript projects.

"use strict";
/*!
 * Copyright 2019 acrazing <joking.young@gmail.com>. All rights reserved.
 * @since 2026-05-09 14:35:00
 */
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const path_1 = tslib_1.__importDefault(require("path"));
const consts_1 = require("./consts");
const parser_1 = require("./parser");
const utils_1 = require("./utils");
describe('parser', () => {
    const fixture = path_1.default.join(__dirname, '../fixtures/parser/monorepo');
    it('should parse relative entries from a custom cwd', () => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
        const tree = yield (0, parser_1.parseDependencyTree)('packages/shared/src/index.ts', {
            cwd: fixture,
        });
        expect(tree).toEqual({
            'packages/shared/src/index.ts': [
                {
                    issuer: 'packages/shared/src/index.ts',
                    request: './dep',
                    kind: consts_1.DependencyKind.StaticExport,
                    id: 'packages/shared/src/dep.ts',
                },
            ],
            'packages/shared/src/dep.ts': [],
        });
    }));
    it('should parse an absolute entry file path', () => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
        const tree = yield (0, parser_1.parseDependencyTree)(path_1.default.join(fixture, 'packages/shared/src/index.ts'), {
            context: fixture,
        });
        expect(tree).toEqual({
            'packages/shared/src/index.ts': [
                {
                    issuer: 'packages/shared/src/index.ts',
                    request: './dep',
                    kind: consts_1.DependencyKind.StaticExport,
                    id: 'packages/shared/src/dep.ts',
                },
            ],
            'packages/shared/src/dep.ts': [],
        });
    }));
    it('should resolve aliases from an absolute tsconfig path', () => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
        const tree = yield (0, parser_1.parseDependencyTree)(path_1.default.join(fixture, 'packages/alias-user/src/index.ts'), {
            context: fixture,
            tsconfig: path_1.default.join(fixture, 'tsconfig.json'),
        });
        expect(tree['packages/alias-user/src/index.ts']).toEqual([
            {
                issuer: 'packages/alias-user/src/index.ts',
                request: '~/dep',
                kind: consts_1.DependencyKind.StaticImport,
                id: 'packages/shared/src/dep.ts',
            },
        ]);
    }));
    it('should group dependencies and circulars by package', () => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
        const tree = yield (0, parser_1.parseDependencyTree)(['packages/app/src/index.ts', 'packages/ui/src/index.ts'], { cwd: fixture });
        const packageTree = (0, utils_1.groupDependencyTreeByPackage)(tree, fixture);
        expect((0, utils_1.groupEntriesByPackage)([
            'packages/app/src/index.ts',
            'packages/ui/src/index.ts',
            'packages/app/src/local.ts',
        ], fixture)).toEqual(['@repo/app', '@repo/ui']);
        expect(packageTree).toEqual({
            '@repo/app': [
                {
                    issuer: '@repo/app',
                    request: '../../shared/src',
                    kind: consts_1.DependencyKind.StaticImport,
                    id: '@repo/shared',
                },
                {
                    issuer: '@repo/app',
                    request: '../../ui/src',
                    kind: consts_1.DependencyKind.StaticImport,
                    id: '@repo/ui',
                },
            ],
            '@repo/ui': [
                {
                    issuer: '@repo/ui',
                    request: '../../shared/src',
                    kind: consts_1.DependencyKind.StaticImport,
                    id: '@repo/shared',
                },
            ],
            '@repo/shared': [],
        });
        expect((0, utils_1.parseCircular)(packageTree)).toEqual([]);
    }));
    it('should detect package-level circular dependencies', () => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
        const tree = yield (0, parser_1.parseDependencyTree)(['packages/cycle-a/src/index.ts', 'packages/cycle-b/src/index.ts'], {
            cwd: fixture,
        });
        const packageTree = (0, utils_1.groupDependencyTreeByPackage)(tree, fixture);
        const circulars = (0, utils_1.parseCircular)(packageTree);
        expect(circulars).toHaveLength(1);
        expect(circulars[0].sort()).toEqual(['@repo/cycle-a', '@repo/cycle-b']);
    }));
});
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