13 Commits
0.1.0 ... 0.2.1

Author SHA1 Message Date
bashonly
25b77b7310 Fix encoding for Windows (#22) 2025-10-24 13:33:13 +13:00
bashonly
57fe708cf4 Do not run CI on tag pushes (#21) 2025-10-23 22:18:55 +00:00
bashonly
508dddae12 Finalize for release (#20) 2025-10-23 21:29:29 +00:00
bashonly
32e6af5fb2 Cache player JS test data on GitHub Actions (#19) 2025-10-23 21:18:04 +00:00
Simon Sawicki
e0560ee403 Use importlib.resources.files() api (#15) 2025-10-23 21:32:43 +02:00
sepro
b57ce18965 Add formatting/linting CI (#18) 2025-10-23 21:24:31 +02:00
bashonly
52a4f9d19a Add Python module test (#17) 2025-10-23 17:59:59 +00:00
bashonly
5d7bf090bb CI, build and documentation fixes (#14) 2025-10-22 23:01:24 +00:00
sepro
6a73fa37ba Fix sig in player 638ec5c6 (#10) 2025-10-22 20:48:45 +02:00
bashonly
bf12d399b2 Add CI testing (#11)
Co-authored-by: sepro <sepro@sepr0.com>
2025-10-22 04:53:57 +00:00
bashonly
c9bbdcb445 Improve build and test instructions in README 2025-10-21 22:46:22 -05:00
sepro
4d0d39eca4 Fix build hook for Node and Bun 2025-10-21 22:46:22 -05:00
N/Ame
398f81bbed Use a local window variable (#9) 2025-10-22 01:14:14 +02:00
19 changed files with 599 additions and 45 deletions

377
.github/workflows/ci.yml vendored Normal file
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@@ -0,0 +1,377 @@
name: CI
on:
push:
branches:
- '**'
paths-ignore:
- 'README.md'
- 'LICENSE'
pull_request:
paths-ignore:
- 'README.md'
- 'LICENSE'
permissions:
contents: read
concurrency:
group: ci-${{ github.event.pull_request.number || github.ref }}
cancel-in-progress: ${{ github.event_name == 'pull_request' }}
jobs:
ruff-format:
name: Ruff format check
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
- uses: astral-sh/ruff-action@v3
with:
args: "check --output-format github"
ruff-lint:
name: Ruff linting check
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
- uses: astral-sh/ruff-action@v3
with:
args: "format --check --diff"
prettier:
name: Prettier check
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
- name: Install Deno v2.x (latest)
uses: denoland/setup-deno@v2
with:
deno-version: v2.x
- name: Install Deno requirements
run: |
deno install
- name: Run Prettier check
run: |
deno task fmt:check
eslint:
name: ESLint check
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
- name: Install Deno v2.x (latest)
uses: denoland/setup-deno@v2
with:
deno-version: v2.x
- name: Install Deno requirements
run: |
deno install
- name: Run ESLint check
run: |
deno task lint
python_tests:
name: Python tests
runs-on: ${{ matrix.runner }}
strategy:
fail-fast: false
matrix:
runner: [ubuntu-latest, windows-latest]
python-version: ['3.10', '3.11', '3.12', '3.13', '3.14', pypy-3.11]
steps:
- uses: actions/checkout@v5
with:
fetch-depth: 0
- name: Install Deno v2.x (latest)
uses: denoland/setup-deno@v2
with:
deno-version: v2.x
- name: Set up Python ${{ matrix.python-version }}
uses: actions/setup-python@v6
with:
python-version: ${{ matrix.python-version }}
- name: Build project
run: |
# `pip install -e` omits the force-included JS, so use `build` instead
python -m pip install -U build
python -m build
- name: Unpack wheel (Linux)
if: matrix.runner == 'ubuntu-latest'
run: |
unzip -u dist/yt_dlp_ejs-*.whl "yt_dlp_ejs/*"
- name: Unpack wheel (Windows)
if: matrix.runner == 'windows-latest'
shell: pwsh
run: |
Expand-Archive -Path dist/yt_dlp_ejs-*.whl -DestinationPath ./ -Force
- name: Run Python tests
timeout-minutes: 5
run: |
python -Werror -m unittest
prepare:
name: Prepare JS runtime tests
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
- name: Install Deno v2.x (latest)
uses: denoland/setup-deno@v2
with:
deno-version: v2.x
- name: Install Deno requirements
run: |
deno install
- name: Build control bundle
run: |
deno task bundle
- name: Generate bundle hashes
run: |
pushd dist
sha256sum -- yt.solver.*.js | tee SHA2-256SUMS
popd
- name: Upload bundle hashes
uses: actions/upload-artifact@v4
with:
name: bundle-hashes
path: |
dist/SHA2-256SUMS
compression-level: 0
- name: Cache player JS files
uses: actions/cache@v4
env:
SEGMENT_DOWNLOAD_TIMEOUT_MINS: 1
with:
path: |
src/yt/solver/test/players
key: test-player-js-${{ hashFiles('src/yt/solver/test/tests.ts') }}
- name: Download player JS files
run: |
deno run \
--no-prompt \
--allow-read=src/yt/solver/test/players/ \
--allow-write=src/yt/solver/test/players/ \
--allow-net=www.youtube.com \
--allow-sys=uid \
src/yt/solver/test/download.ts
- name: Upload player JS artifact
uses: actions/upload-artifact@v4
with:
name: player-js
path: |
src/yt/solver/test/players/*
compression-level: 0
deno_build:
name: Test Deno build
needs: [prepare]
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
with:
fetch-depth: 0
- name: Install Deno
uses: denoland/setup-deno@v2
with:
deno-version: "2.0.0" # minimum supported version
- uses: actions/setup-python@v6
with:
python-version: "3.10" # minimum supported version
- name: Install Python requirements
run: |
python -m pip install -U build
- name: Test Deno build
run: |
python -m build
- name: Verify artifact contents
run: |
tar -tvzf dist/yt_dlp_ejs-*.tar.gz
unzip -l dist/yt_dlp_ejs-*.whl | tee .wheel_contents
grep -q 'yt_dlp_ejs/yt/solver/core\.min\.js' .wheel_contents
grep -q 'yt_dlp_ejs/yt/solver/lib\.min\.js' .wheel_contents
- name: Install Deno requirements
run: |
deno install
- name: Bundle with Deno
run: |
deno task bundle
- name: Download bundle hashes
uses: actions/download-artifact@v5
with:
path: dist
name: bundle-hashes
- name: Verify bundle hashes
run: |
cd dist
sha256sum -c SHA2-256SUMS
deno_tests:
name: Run Deno tests
needs: [prepare]
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
- name: Install Deno
uses: denoland/setup-deno@v2
with:
deno-version: "2.0.0" # minimum supported version
- name: Install Deno requirements
run: |
deno install
- name: Download player JS artifact
uses: actions/download-artifact@v5
with:
path: src/yt/solver/test/players
name: player-js
- name: Run Deno tests
run: |
deno test \
--no-prompt \
--allow-read=src/yt/solver/test/players/
bun_build:
name: Test Bun build
needs: [prepare]
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
with:
fetch-depth: 0
- name: Install Bun
uses: oven-sh/setup-bun@v2
with:
bun-version: "1.0.31" # minimum supported version
- uses: actions/setup-python@v6
with:
python-version: "3.10" # minimum supported version
- name: Install Python requirements
run: |
python -m pip install -U build
- name: Test Bun build
run: |
python -m build
- name: Verify artifact contents
run: |
tar -tvzf dist/yt_dlp_ejs-*.tar.gz
unzip -l dist/yt_dlp_ejs-*.whl | tee .wheel_contents
grep -q 'yt_dlp_ejs/yt/solver/core\.min\.js' .wheel_contents
grep -q 'yt_dlp_ejs/yt/solver/lib\.min\.js' .wheel_contents
- name: Install Bun requirements
run: |
bun install
- name: Bundle with Bun
run: |
bun --bun run bundle
- name: Download bundle hashes
uses: actions/download-artifact@v5
with:
path: dist
name: bundle-hashes
- name: Verify bundle hashes
run: |
cd dist
sha256sum -c SHA2-256SUMS
bun_tests:
name: Run Bun tests
needs: [prepare]
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
- name: Install Bun
uses: oven-sh/setup-bun@v2
with:
bun-version: "1.2.11" # XXX: We support 1.0.31, but test suite requires 1.2.11+
- name: Install Bun requirements
run: |
bun install
- name: Download player JS artifact
uses: actions/download-artifact@v5
with:
path: src/yt/solver/test/players
name: player-js
- name: Run Bun tests
run: |
bun test
node_build:
name: Test Node build
needs: [prepare]
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
with:
fetch-depth: 0
- name: Install Node
uses: actions/setup-node@v6
with:
node-version: "20.0" # minimum supported version
- uses: actions/setup-python@v6
with:
python-version: "3.10" # minimum supported version
- name: Install Python requirements
run: |
python -m pip install -U build
- name: Test Node build
run: |
python -m build
- name: Verify artifact contents
run: |
tar -tvzf dist/yt_dlp_ejs-*.tar.gz
unzip -l dist/yt_dlp_ejs-*.whl | tee .wheel_contents
grep -q 'yt_dlp_ejs/yt/solver/core\.min\.js' .wheel_contents
grep -q 'yt_dlp_ejs/yt/solver/lib\.min\.js' .wheel_contents
- name: Install Node requirements
run: |
npm install
- name: Bundle with Node
run: |
npm run bundle
- name: Download bundle hashes
uses: actions/download-artifact@v5
with:
path: dist
name: bundle-hashes
- name: Verify bundle hashes
run: |
cd dist
sha256sum -c SHA2-256SUMS
node_tests:
name: Run Node tests
needs: [prepare]
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v5
- name: Install Node
uses: actions/setup-node@v6
with:
node-version: "22.18" # XXX: We support 20.0, but test suite requires 22.18+
- name: Install Node requirements
run: |
npm install
- name: Download player JS artifact
uses: actions/download-artifact@v5
with:
path: src/yt/solver/test/players
name: player-js
- name: Run Node tests
run: |
node --test
all_passed:
needs:
- ruff-format
- ruff-lint
- prettier
- eslint
- python_tests
- deno_build
- deno_tests
- bun_build
- bun_tests
- node_build
- node_tests
runs-on: ubuntu-latest
steps:
- name: All checks passed
run: |
echo "All checks passed!"

View File

@@ -88,7 +88,7 @@ jobs:
run: |
gh release create "${TAG}" \
--title "yt-dlp-ejs ${TAG}" \
--notes-from-tag \
--generate-notes \
--verify-tag \
dist/yt.solver.*.js \
dist/yt_dlp_ejs-*.whl \

1
.gitignore vendored
View File

@@ -6,3 +6,4 @@
/deno.lock
/package-lock.json
/.idea
/.venv

View File

@@ -1,16 +1,13 @@
# yt-dlp-ejs
> [!CAUTION]
> This is currently in development
External JavaScript for yt-dlp supporting many runtimes
## Manual Installation
In the yt-dlp repository, install the python package, either directly or from url:
Install ejs into the same environment as yt-dlp:
```console
pip install git+https://github.com/yt-dlp/ejs@main
pip install -U yt-dlp-ejs
```
## Development
@@ -18,7 +15,7 @@ pip install git+https://github.com/yt-dlp/ejs@main
While this project does pin its dependencies,
it does not use lockfiles or enforce a particular package manager.
You may install dependencies using any compatible package manager.
If you notice differences between different runtimes builds
If you notice differences between different runtimes' builds
please open an issue [here](<https://github.com/yt-dlp/ejs/issues/new>).
### Build
@@ -26,13 +23,52 @@ please open an issue [here](<https://github.com/yt-dlp/ejs/issues/new>).
To build the Python package you need a PEP518 compatible builder.
The build hook will automatically invoke `deno`, `bun` or `node` as required.
Alternatively, to only build the JavaScript files you can run the `bundle` script manually.
Alternatively, to only build the JavaScript files you can run the `bundle` script manually:
```bash
# Deno:
deno install
deno task bundle
# Bun:
bun install
bun --bun run bundle
# Node:
npm install
npm run bundle
```
### Tests
First, to download the player files, run `src/yt/solver/test/download.ts`.
First, make sure the project's dependencies are installed and download the player JS files:
After running that once, use any of `deno test`, `bun test` or `node --test`.
```bash
# Deno:
deno install
deno run src/yt/solver/test/download.ts
# Bun:
bun install
bun --bun run src/yt/solver/test/download.ts
# Node 22.6+:
npm install
node --experimental-strip-types src/yt/solver/test/download.ts
```
Then the tests can be run:
```bash
# Deno
deno test
# Bun
bun test
# Node
node --test
```
## Licensing

14
eslint.config.js Normal file
View File

@@ -0,0 +1,14 @@
import js from "@eslint/js";
import globals from "globals";
import tseslint from "typescript-eslint";
import { defineConfig } from "eslint/config";
export default defineConfig([
{
files: ["**/*.{js,mjs,cjs,ts,mts,cts}"],
plugins: { js },
extends: ["js/recommended"],
languageOptions: { globals: globals.node },
},
tseslint.configs.recommended,
]);

View File

@@ -2,7 +2,6 @@ import os
import shutil
import subprocess
from hatchling.builders.hooks.plugin.interface import BuildHookInterface
@@ -16,23 +15,28 @@ class CustomBuildHook(BuildHookInterface):
elif shutil.which("bun"):
print("Building with bun...", flush=True)
subprocess.run(["bun", "install", "--frozen-lockfile"], check=True)
subprocess.run(["bun", "run", "bundle"], check=True)
subprocess.run(["bun", "install"], check=True)
subprocess.run(["bun", "--bun", "run", "bundle"], check=True)
elif shutil.which("npm"):
print("Building with npm...", flush=True)
# npm is a batch file (`npm.cmd`) on windows, which requires `shell=True`
requires_shell = os.name == "nt"
subprocess.run(["npm", "ci"], check=True, shell=requires_shell)
subprocess.run(["npm", "install"], check=True, shell=requires_shell)
subprocess.run(["npm", "run", "bundle"], check=True, shell=requires_shell)
else:
raise RuntimeError(
"One of 'deno', 'bun', or 'npm' could not be found. "
"Please install one of them to proceed with the build.")
"Please install one of them to proceed with the build."
)
build_data["force_include"]["dist/yt.solver.core.min.js"] = "yt_dlp_ejs/yt/solver/core.min.js"
build_data["force_include"]["dist/yt.solver.lib.min.js"] = "yt_dlp_ejs/yt/solver/lib.min.js"
build_data["force_include"].update(
{
"dist/yt.solver.core.min.js": "yt_dlp_ejs/yt/solver/core.min.js",
"dist/yt.solver.lib.min.js": "yt_dlp_ejs/yt/solver/lib.min.js",
}
)
def clean(self, versions):
shutil.rmtree('node_modules', ignore_errors=True)
shutil.rmtree("node_modules", ignore_errors=True)

View File

@@ -3,21 +3,27 @@
"type": "module",
"scripts": {
"bundle": "rollup -c",
"fmt": "prettier --write \"src/**.ts\" \"package.json\" \"rollup.config.js\" \"run.ts\""
"fmt": "prettier --write \"src/**.ts\" \"package.json\" \"rollup.config.js\" \"run.ts\" \"eslint.config.js\"",
"fmt:check": "prettier --check \"src/**.ts\" \"package.json\" \"rollup.config.js\" \"run.ts\" \"eslint.config.js\"",
"lint": "eslint src"
},
"dependencies": {
"astring": "1.9.0",
"meriyah": "6.1.4"
},
"devDependencies": {
"@eslint/js": "9.38.0",
"@rollup/plugin-node-resolve": "16.0.3",
"@rollup/plugin-sucrase": "5.0.2",
"@rollup/plugin-terser": "0.4.4",
"rollup-plugin-license": "3.6.0",
"@types/bun": "1.3.0",
"@types/deno": "2.5.0",
"@types/node": "24.8.1",
"eslint": "9.38.0",
"globals": "16.4.0",
"prettier": "3.6.2",
"rollup": "4.52.5",
"prettier": "3.6.2"
"rollup-plugin-license": "3.6.0",
"typescript-eslint": "8.46.2"
}
}

View File

@@ -30,6 +30,11 @@ classifiers = [
]
dependencies = []
[dependency-groups]
dev = [
"ruff>=0.14.1",
]
[project.urls]
Documentation = "https://github.com/yt-dlp/ejs#readme"
Issues = "https://github.com/yt-dlp/ejs/issues"
@@ -44,7 +49,40 @@ exclude = [
"/src/yt/solver/test/players/*",
]
[tool.hatch.build.targets.wheel]
packages = ["yt_dlp_ejs"]
[tool.hatch.build.hooks.vcs]
version-file = "yt_dlp_ejs/_version.py"
[tool.hatch.build.targets.wheel.hooks.custom]
[tool.ruff.lint]
select = [
"C4",
"E",
"F",
"I",
"PLC",
"PLE",
"PLW",
"PYI",
"RET",
"RUF",
"SIM",
"TD",
"TID",
"W",
]
ignore = [
"TD003",
"E402",
"E501",
"PLR09",
]
[tool.ruff.lint.isort]
force-single-line = true
[tool.ruff.lint.flake8-tidy-imports]
ban-relative-imports = "all"

View File

@@ -31,7 +31,9 @@ function printHash() {
for (const [fileName, assetInfo] of Object.entries(bundle)) {
if (assetInfo.code) {
try {
const digest = createHash("sha3-512").update(assetInfo.code).digest("hex");
const digest = createHash("sha3-512")
.update(assetInfo.code)
.digest("hex");
console.log(`SHA3-512 for ${assetInfo.fileName}: ${digest}`);
} catch (err) {
console.error(`Error hashing ${fileName}:`, err.message);

View File

@@ -22,6 +22,13 @@ export function matchesStructure<T extends ESTree.Node>(
// Handle `{ or: [a, b] }`
return structure.or.some((node) => matchesStructure(obj, node));
}
if ("anykey" in structure && Array.isArray(structure.anykey)) {
// Handle `{ anykey: [a, b] }`
const haystack = Array.isArray(obj) ? obj : Object.values(obj);
return structure.anykey.every((value) =>
haystack.some((el) => matchesStructure(el, value)),
);
}
for (const [key, value] of Object.entries(structure)) {
if (!matchesStructure(obj[key as keyof typeof obj], value)) {
return false;

View File

@@ -4,11 +4,9 @@ export const setupNodes = parse(`
if (typeof globalThis.XMLHttpRequest === "undefined") {
globalThis.XMLHttpRequest = { prototype: {} };
}
if (typeof globalThis.window === "undefined") {
globalThis.window = Object.create(null);
}
const window = Object.create(null);
if (typeof URL === "undefined") {
globalThis.window.location = {
window.location = {
hash: "",
host: "www.youtube.com",
hostname: "www.youtube.com",
@@ -22,7 +20,7 @@ if (typeof URL === "undefined") {
username: "",
};
} else {
globalThis.window.location = new URL("https://www.youtube.com/watch?v=yt-dlp-wins");
window.location = new URL("https://www.youtube.com/watch?v=yt-dlp-wins");
}
if (typeof globalThis.document === "undefined") {
globalThis.document = Object.create(null);

View File

@@ -82,6 +82,20 @@ const identifier = {
type: "FunctionDeclaration",
params: [{}, {}, {}],
},
{
type: "VariableDeclaration",
declarations: {
anykey: [
{
type: "VariableDeclarator",
init: {
type: "FunctionExpression",
params: [{}, {}, {}],
},
},
],
},
},
],
} as const;
@@ -93,14 +107,27 @@ export function extract(
) {
return null;
}
const block =
node.type === "ExpressionStatement" &&
let block: ESTree.BlockStatement | undefined | null;
if (node.type === "ExpressionStatement" &&
node.expression.type === "AssignmentExpression" &&
node.expression.right.type === "FunctionExpression"
? node.expression.right.body
: node.type === "FunctionDeclaration"
? node.body
: null;
node.expression.right.type === "FunctionExpression") {
block = node.expression.right.body;
} else if (node.type === "VariableDeclaration") {
for (const decl of node.declarations) {
if (
decl.type === "VariableDeclarator" &&
decl.init?.type === "FunctionExpression" &&
decl.init?.params.length === 3
) {
block = decl.init.body;
break;
}
}
} else if (node.type === "FunctionDeclaration") {
block = node.body;
} else {
return null;
}
const relevantExpression = block?.body.at(-2);
if (!matchesStructure(relevantExpression!, logicalExpression)) {
return null;

View File

@@ -23,7 +23,9 @@ export async function getIO(): Promise<IO> {
}
async function _getIO(): Promise<IO> {
if (globalThis.process?.release?.name === "node") {
// Old Deno requires casting to any as globalThis lacks an index signature
// eslint-disable-next-line @typescript-eslint/no-explicit-any
if ((globalThis as any).process?.release?.name === "node") {
// Assume node compatibility
const { access, readFile } = await import("node:fs/promises");
const { deepStrictEqual } = await import("node:assert");

View File

@@ -236,7 +236,9 @@ export const tests: {
],
},
{
// TODO: es6/tv_es6 variants currently fail
player: "2b83d2e0",
variants: ["main", "tcc", "tce", "es5", "tv", "phone", "tablet"],
n: [
// Synthetic test
{ input: "0eRGgQWJGfT5rFHFj", expected: "euHbygrCMLksxd" },
@@ -251,6 +253,24 @@ export const tests: {
},
],
},
{
// TODO: es6/tv_es6 variants currently fail
player: "638ec5c6",
variants: ["main", "tcc", "tce", "es5", "tv", "phone", "tablet"],
n: [
// Synthetic test
{ input: "ZdZIqFPQK-Ty8wId", expected: "1qov8-KM-yH" },
],
sig: [
// Synthetic test
{
input:
"gN7a-hudCuAuPH6fByOk1_GNXN0yNMHShjZXS2VOgsEItAJz0tipeavEOmNdYN-wUtcEqD3bCXjc0iyKfAyZxCBGgIARwsSdQfJ2CJtt",
expected:
"MhudCuAuP-6fByOk1_GNXN7gNHHShjyXS2VOgsEItAJz0tipeav0OmNdYN-wUtcEqD3bCXjc0iyKfAyZxCBGgIARwsSdQfJ2CJtt",
},
],
},
];
export const players = new Map([

0
test/__init__.py Normal file
View File

24
test/test_modules.py Normal file
View File

@@ -0,0 +1,24 @@
import unittest
from pathlib import Path
import yt_dlp_ejs.yt.solver
BASE_PATH = Path(__file__).parent.parent
CORE_PATH = BASE_PATH / "yt_dlp_ejs/yt/solver/core.min.js"
LIB_PATH = BASE_PATH / "yt_dlp_ejs/yt/solver/lib.min.js"
class TestModules(unittest.TestCase):
def test_yt_solver(self):
self.assertEqual(
yt_dlp_ejs.yt.solver.core(),
CORE_PATH.read_text(encoding="utf-8"),
)
self.assertEqual(
yt_dlp_ejs.yt.solver.lib(),
LIB_PATH.read_text(encoding="utf-8"),
)
if __name__ == "__main__":
unittest.main()

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@@ -1,7 +1,3 @@
from yt_dlp_ejs._version import version
from yt_dlp_ejs import yt
__all__ = [
"version",
"yt"
]
__all__ = ["version"]

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@@ -1,3 +0,0 @@
from . import solver
__all__ = ["solver"]

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@@ -2,15 +2,20 @@ import importlib.resources
import yt_dlp_ejs.yt.solver
def core() -> str:
"""
Read the contents of the JavaScript core solver bundle as string.
"""
return importlib.resources.read_text(yt_dlp_ejs.yt.solver, "core.min.js")
return (importlib.resources.files(yt_dlp_ejs.yt.solver) / "core.min.js").read_text(
encoding="utf-8"
)
def lib() -> str:
"""
Read the contents of the JavaScript library solver bundle as string.
"""
return importlib.resources.read_text(yt_dlp_ejs.yt.solver, "lib.min.js")
return (importlib.resources.files(yt_dlp_ejs.yt.solver) / "lib.min.js").read_text(
encoding="utf-8"
)