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resolution.spec.ts
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import * as ts from "typescript";
import { couldNotResolveRequire } from "../../../src/transpilation/diagnostics";
import * as util from "../../util";
const requireRegex = /require\("(.*?)"\)/;
const expectToRequire =
(expected: string): util.TapCallback =>
builder => {
const [, requiredPath] = builder.getMainLuaCodeChunk().match(requireRegex) ?? [];
expect(requiredPath).toBe(expected);
};
test.each([
{
filePath: "main.ts",
usedPath: "./folder/Module",
expected: "folder.Module",
options: { rootDir: "." },
},
{
filePath: "main.ts",
usedPath: "./folder/Module",
expected: "folder.Module",
options: { rootDir: "./" },
},
{
filePath: "src/main.ts",
usedPath: "./folder/Module",
expected: "src.folder.Module",
options: { rootDir: "." },
},
{
filePath: "main.ts",
usedPath: "folder/Module",
expected: "folder.Module",
options: { rootDir: ".", baseUrl: "." },
},
{
filePath: "main.ts",
usedPath: "folder/Module",
expected: "folder.Module",
options: { rootDir: "./", baseUrl: "." },
},
{
filePath: "src/main.ts",
usedPath: "./folder/Module",
expected: "folder.Module",
options: { rootDir: "src" },
},
{
filePath: "src/main.ts",
usedPath: "./folder/Module",
expected: "folder.Module",
options: { rootDir: "./src" },
},
{
filePath: "src/dir/main.ts",
usedPath: "../Module",
expected: "Module",
options: { rootDir: "./src" },
},
{
filePath: "src/dir/dir/main.ts",
usedPath: "../../dir/Module",
expected: "dir.Module",
options: { rootDir: "./src" },
},
])("resolve paths with baseUrl or rootDir (%p)", ({ filePath, usedPath, expected, options }) => {
util.testModule`
import * as module from "${usedPath}";
module;
`
.setMainFileName(filePath)
.addExtraFile(`${usedPath}.ts`, "")
.setOptions(options)
.tap(expectToRequire(expected));
});
test("doesn't resolve paths out of root dir", () => {
util.testModule`
import * as module from "../module";
module;
`
.setMainFileName("src/main.ts")
.setOptions({ rootDir: "./src" })
.disableSemanticCheck()
.expectDiagnosticsToMatchSnapshot([couldNotResolveRequire.code]);
});
test("resolves non-standard requires", () => {
const { transpiledFiles } = util.testModule`
export * from "./externalLua";
`
.addExtraFile("externalLua.d.ts", "export const foo = 3;")
.addExtraFile(
"externalLua.lua",
`
require("requiredLuaFile1") -- standard
require('requiredLuaFile2') -- single quote
require'requiredLuaFile3' -- no parentheses
require"requiredLuaFile4" -- no parentheses double quote
require "requiredLuaFile5" -- no parentheses and space
require "requiredLua'File6" -- no parentheses and space
require 'requiredLua"File7' -- no parentheses and space
`
)
.addExtraFile("requiredLuaFile1.lua", "")
.addExtraFile("requiredLuaFile2.lua", "")
.addExtraFile("requiredLuaFile3.lua", "")
.addExtraFile("requiredLuaFile4.lua", "")
.addExtraFile("requiredLuaFile5.lua", "")
.addExtraFile("requiredLua'File6.lua", "")
.addExtraFile('requiredLua"File7.lua', "")
.expectToHaveNoDiagnostics()
.getLuaResult();
// Expect main.lua, externalLua.lua and all 7 required lua files in there
expect(transpiledFiles.map(f => f.outPath)).toHaveLength(9);
});
test.each([
{
declarationStatement: `
/** @noResolution */
declare module "fake" {}
`,
mainCode: 'import "fake";',
expectedPath: "fake",
},
{
declarationStatement: `
/** @noResolution */
declare module "fake" {}
`,
mainCode: 'import * as fake from "fake"; fake;',
expectedPath: "fake",
},
{
declarationStatement: `
/** @noResolution */
declare module "fake" {
export const x: number;
}
`,
mainCode: 'import { x } from "fake"; x;',
expectedPath: "fake",
},
{
declarationStatement: `
/** @noResolution */
declare module "fake" {
export const x: number;
}
declare module "fake" {
export const y: number;
}
`,
mainCode: 'import { y } from "fake"; y;',
expectedPath: "fake",
},
])("noResolution prevents any module path resolution behavior", ({ declarationStatement, mainCode, expectedPath }) => {
util.testModule(mainCode)
.setMainFileName("src/main.ts")
.addExtraFile("module.d.ts", declarationStatement)
.tap(expectToRequire(expectedPath));
});
test("import = require", () => {
util.testModule`
import foo = require("./foo/bar");
foo;
`
.setOptions({ module: ts.ModuleKind.CommonJS })
.tap(expectToRequire("foo.bar"));
});