53 lines
1.7 KiB
TypeScript
53 lines
1.7 KiB
TypeScript
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import { createRequire } from "node:module";
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import { describe, expect, it, vi } from "vitest";
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const require = createRequire(import.meta.url);
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const { resolveTypeScriptSource } = require("../metro-resolver.js") as {
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resolveTypeScriptSource: (
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context: { originModulePath?: string },
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moduleName: string,
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platform: string,
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resolveRequest: (
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context: { originModulePath?: string },
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moduleName: string,
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platform: string,
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) => unknown,
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) => unknown;
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};
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describe("mobile Metro resolver", () => {
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it("resolves Node ESM-style JavaScript specifiers to TypeScript source", () => {
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const resolved = { type: "sourceFile", filePath: "/repo/packages/core/src/async.ts" };
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const resolveRequest = vi.fn((_context, moduleName: string) => {
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if (moduleName === "./async") return resolved;
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throw new Error(`Unexpected module: ${moduleName}`);
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});
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expect(
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resolveTypeScriptSource(
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{ originModulePath: "/repo/packages/core/src/index.ts" },
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"./async.js",
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"ios",
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resolveRequest,
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),
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).toEqual(resolved);
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expect(resolveRequest).toHaveBeenCalledWith(
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{ originModulePath: "/repo/packages/core/src/index.ts" },
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"./async",
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"ios",
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);
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});
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it("keeps ordinary JavaScript imports on Metro's normal path", () => {
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const resolved = { type: "sourceFile", filePath: "/repo/app/helper.js" };
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const resolveRequest = vi.fn(() => resolved);
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const context = { originModulePath: "/repo/app/index.js" };
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expect(resolveTypeScriptSource(context, "./helper.js", "ios", resolveRequest)).toEqual(
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resolved,
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);
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expect(resolveRequest).toHaveBeenCalledOnce();
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expect(resolveRequest).toHaveBeenCalledWith(context, "./helper.js", "ios");
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});
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});
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