Files
bun.sh/packages/bun-debug-adapter-protocol/debugger/sourcemap.test.ts
Ashcon Partovi 1480889205 Improved support for debug-adapter-protocol (#4186)
* Improve support for \`debug-adapter-protocol\`

* More improvements, fix formatting in debug console

* Fix attaching

* Prepare for source maps

* Start of source map support, breakpoints work

* Source map support

* add some package.jsons

* wip

* Update package.json

* More fixes

* Make source maps safer if exception occurs

* Check bun version if it fails

* Fix console.log formatting

* Fix source maps partly

* More source map fixes

* Prepare for extension

* watch mode with dap

* Improve preview code

* Prepare for extension 2

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
2023-08-24 22:53:34 -07:00

32 lines
1.5 KiB
TypeScript

import { test, expect } from "bun:test";
import { readFileSync } from "node:fs";
import { SourceMap } from "./sourcemap";
test("works without source map", () => {
const sourceMap = getSourceMap("without-sourcemap.js");
expect(sourceMap.generatedLocation({ line: 7 })).toEqual({ line: 7, column: 0, verified: true });
expect(sourceMap.generatedLocation({ line: 7, column: 2 })).toEqual({ line: 7, column: 2, verified: true });
expect(sourceMap.originalLocation({ line: 11 })).toEqual({ line: 11, column: 0, verified: true });
expect(sourceMap.originalLocation({ line: 11, column: 2 })).toEqual({ line: 11, column: 2, verified: true });
});
test("works with source map", () => {
const sourceMap = getSourceMap("with-sourcemap.js");
// FIXME: Columns don't appear to be accurate for `generatedLocation`
expect(sourceMap.generatedLocation({ line: 3 })).toMatchObject({ line: 4, verified: true });
expect(sourceMap.generatedLocation({ line: 27 })).toMatchObject({ line: 20, verified: true });
expect(sourceMap.originalLocation({ line: 32 })).toEqual({ line: 43, column: 4, verified: true });
expect(sourceMap.originalLocation({ line: 13 })).toEqual({ line: 13, column: 6, verified: true });
});
function getSourceMap(filename: string): SourceMap {
const { pathname } = new URL(`./fixtures/${filename}`, import.meta.url);
const source = readFileSync(pathname, "utf-8");
const match = source.match(/\/\/# sourceMappingURL=(.*)$/m);
if (match) {
const [, url] = match;
return SourceMap(url);
}
return SourceMap();
}