MCP ts-morph Refactoring Tools

import { describe, it, expect } from "vitest"; import { calculateRelativePath } from "./calculate-relative-path"; describe("calculateRelativePath", () => { it("同じディレクトリ内の index.ts を参照する場合、'.' を返す", () => { const fromPath = "/src/components/Button.tsx"; const toPath = "/src/components/index.ts"; expect(calculateRelativePath(fromPath, toPath)).toBe("."); }); it("親ディレクトリの index.ts を参照する場合、'..' を返す", () => { const fromPath = "/src/components/core/Icon.tsx"; const toPath = "/src/components/index.ts"; expect(calculateRelativePath(fromPath, toPath)).toBe(".."); }); it("二階層親の index.ts を参照する場合、'../..' を返す", () => { const fromPath = "/src/components/core/primitive/Box.tsx"; const toPath = "/src/components/index.ts"; expect(calculateRelativePath(fromPath, toPath)).toBe("../.."); // 期待値 }); it("三階層親の index.ts を参照する場合、'../../..' を返す", () => { const fromPath = "/src/components/core/primitive/utils/helper.ts"; const toPath = "/src/components/index.ts"; expect(calculateRelativePath(fromPath, toPath)).toBe("../../.."); // 期待値 }); it("同じディレクトリ内の別のファイルを参照する場合、'./filename' を返す", () => { const fromPath = "/src/utils/format.ts"; const toPath = "/src/utils/parse.tsx"; expect(calculateRelativePath(fromPath, toPath)).toBe("./parse"); }); it("サブディレクトリのファイルを参照する場合、'./subdir/filename' を返す", () => { const fromPath = "/src/hooks/useCounter.ts"; const toPath = "/src/hooks/internal/state.ts"; expect(calculateRelativePath(fromPath, toPath)).toBe("./internal/state"); }); it("親ディレクトリのファイルを参照する場合、'../filename' を返す", () => { const fromPath = "/src/components/Button.tsx"; const toPath = "/src/utils/common.ts"; expect(calculateRelativePath(fromPath, toPath)).toBe("../utils/common"); }); it("パスに拡張子が含まれていても削除される", () => { const fromPath = "/src/a.ts"; const toPath = "/src/b.tsx"; expect(calculateRelativePath(fromPath, toPath)).toBe("./b"); }); it("参照先が index ではない親ディレクトリの場合、'../dir' を返す", () => { const fromPath = "/src/components/core/Icon.tsx"; const toPath = "/src/hooks/useFetch.ts"; expect(calculateRelativePath(fromPath, toPath)).toBe( "../../hooks/useFetch", ); }); it("removeExtensions: false の場合、拡張子を維持する", () => { const fromPath = "/src/a.ts"; const toPath = "/src/b.jsx"; expect( calculateRelativePath(fromPath, toPath, { removeExtensions: false }), ).toBe("./b.jsx"); }); it("removeExtensions: false の場合、simplifyIndex: true でも index は省略されない", () => { const fromPath = "/src/components/core/Icon.tsx"; const toPath = "/src/components/index.js"; // .js 拡張子付き expect( calculateRelativePath(fromPath, toPath, { removeExtensions: false, simplifyIndex: true, }), ).toBe("../index.js"); expect( calculateRelativePath(fromPath, toPath, { removeExtensions: false, simplifyIndex: false, }), ).toBe("../index.js"); // simplifyIndex: false でも同じ }); it("removeExtensions: true, simplifyIndex: false の場合、拡張子は削除するが index は省略しない", () => { const fromPath = "/src/components/core/primitive/utils/helper.ts"; const toPath = "/src/components/index.ts"; expect( calculateRelativePath(fromPath, toPath, { removeExtensions: true, simplifyIndex: false, }), ).toBe("../../../index"); }); it("removeExtensions にカスタム配列を指定した場合、指定された拡張子のみ削除する", () => { const fromPath = "/src/dir/file.ts"; const toPathTsx = "/src/dir/other.tsx"; const toPathJson = "/src/dir/data.json"; const toPathCss = "/src/dir/styles.css"; // これは削除されないはず const options = { removeExtensions: [".ts", ".tsx"] }; // .json は削除対象外 expect(calculateRelativePath(fromPath, toPathTsx, options)).toBe("./other"); expect(calculateRelativePath(fromPath, toPathJson, options)).toBe( "./data.json", ); // 維持される expect(calculateRelativePath(fromPath, toPathCss, options)).toBe( "./styles.css", ); // 維持される }); });