From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Fri, 13 Feb 2026 21:34:48 -0800
Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

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 vanilla/node_modules/tinyexec/README.md | 269 ++++++++++++++++++++++++++++++++
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+# tinyexec 📟
+
+> A minimal package for executing commands
+
+This package was created to provide a minimal way of interacting with child
+processes without having to manually deal with streams, piping, etc.
+
+## Installing
+
+```sh
+$ npm i -S tinyexec
+```
+
+## Usage
+
+A process can be spawned and awaited like so:
+
+```ts
+import {x} from 'tinyexec';
+
+const result = await x('ls', ['-l']);
+
+// result.stdout - the stdout as a string
+// result.stderr - the stderr as a string
+// result.exitCode - the process exit code as a number
+```
+
+By default, tinyexec does not throw on non‑zero exit codes. Check `result.exitCode` or pass `{throwOnError: true}`. 
+
+Output is returned exactly as produced; trailing newlines are not trimmed. If you need trimming, do it explicitly:
+
+```ts
+const clean = result.stdout.replace(/\r?\n$/, '');
+```
+
+You may also iterate over the lines of output via an async loop:
+
+```ts
+import {x} from 'tinyexec';
+
+const proc = x('ls', ['-l']);
+
+for await (const line of proc) {
+  // line will be from stderr/stdout in the order you'd see it in a term
+}
+```
+
+### Options
+
+Options can be passed to have finer control over spawning of the process:
+
+```ts
+await x('ls', [], {
+  timeout: 1000
+});
+```
+
+The options object can have the following properties:
+
+- `signal` - an `AbortSignal` to allow aborting of the execution
+- `timeout` - time in milliseconds at which the process will be forceably killed
+- `persist` - if `true`, the process will continue after the host exits
+- `stdin` - another `Result` can be used as the input to this process
+- `nodeOptions` - any valid options to node's underlying `spawn` function
+- `throwOnError` - if true, non-zero exit codes will throw an error
+
+### Piping to another process
+
+You can pipe a process to another via the `pipe` method:
+
+```ts
+const proc1 = x('ls', ['-l']);
+const proc2 = proc1.pipe('grep', ['.js']);
+const result = await proc2;
+
+console.log(result.stdout);
+```
+
+`pipe` takes the same options as a regular execution. For example, you can
+pass a timeout to the pipe call:
+
+```ts
+proc1.pipe('grep', ['.js'], {
+  timeout: 2000
+});
+```
+
+### Killing a process
+
+You can kill the process via the `kill` method:
+
+```ts
+const proc = x('ls');
+
+proc.kill();
+
+// or with a signal
+proc.kill('SIGHUP');
+```
+
+### Node modules/binaries
+
+By default, node's available binaries from `node_modules` will be accessible
+in your command.
+
+For example, in a repo which has `eslint` installed:
+
+```ts
+await x('eslint', ['.']);
+```
+
+In this example, `eslint` will come from the locally installed `node_modules`.
+
+### Using an abort signal
+
+An abort signal can be passed to a process in order to abort it at a later
+time. This will result in the process being killed and `aborted` being set
+to `true`.
+
+```ts
+const aborter = new AbortController();
+const proc = x('node', ['./foo.mjs'], {
+  signal: aborter.signal
+});
+
+// elsewhere...
+aborter.abort();
+
+await proc;
+
+proc.aborted; // true
+proc.killed; // true
+```
+
+### Using with command strings
+
+If you need to continue supporting commands as strings (e.g. "command arg0 arg1"),
+you can use [args-tokenizer](https://github.com/TrySound/args-tokenizer),
+a lightweight library for parsing shell command strings into an array.
+
+```ts
+import {x} from 'tinyexec';
+import {tokenizeArgs} from 'args-tokenizer';
+
+const commandString = 'echo "Hello, World!"';
+const [command, ...args] = tokenizeArgs(commandString);
+const result = await x(command, args);
+
+result.stdout; // Hello, World!
+```
+
+## API
+
+Calling `x(command[, args])` returns an awaitable `Result` which has the
+following API methods and properties available:
+
+### `pipe(command[, args[, options]])`
+
+Pipes the current command to another. For example:
+
+```ts
+x('ls', ['-l'])
+  .pipe('grep', ['js']);
+```
+
+The parameters are as follows:
+
+- `command` - the command to execute (_without any arguments_)
+- `args` - an array of arguments
+- `options` - options object
+
+### `process`
+
+The underlying Node.js `ChildProcess`. tinyexec keeps the surface minimal and does not re‑expose every child_process method/event. Use `proc.process` for advanced access (streams, events, etc.).
+
+```ts
+const proc = x('node', ['./foo.mjs']);
+
+proc.process?.stdout?.on('data', (chunk) => {
+  // ...
+});
+proc.process?.once('close', (code) => {
+  // ...
+});
+```
+
+### `kill([signal])`
+
+Kills the current process with the specified signal. By default, this will
+use the `SIGTERM` signal.
+
+For example:
+
+```ts
+const proc = x('ls');
+
+proc.kill();
+```
+
+### `pid`
+
+The current process ID. For example:
+
+```ts
+const proc = x('ls');
+
+proc.pid; // number
+```
+
+### `aborted`
+
+Whether the process has been aborted or not (via the `signal` originally
+passed in the options object).
+
+For example:
+
+```ts
+const proc = x('ls');
+
+proc.aborted; // bool
+```
+
+### `killed`
+
+Whether the process has been killed or not (e.g. via `kill()` or an abort
+signal).
+
+For example:
+
+```ts
+const proc = x('ls');
+
+proc.killed; // bool
+```
+
+### `exitCode`
+
+The exit code received when the process completed execution.
+
+For example:
+
+```ts
+const proc = x('ls');
+
+proc.exitCode; // number (e.g. 1)
+```
+
+## Comparison with other libraries
+
+`tinyexec` aims to provide a lightweight layer on top of Node's own
+`child_process` API.
+
+Some clear benefits compared to other libraries are that `tinyexec` will be much lighter, have a much
+smaller footprint and will have a less abstract interface (less "magic"). It
+will also have equal security and cross-platform support to popular
+alternatives.
+
+There are various features other libraries include which we are unlikely
+to ever implement, as they would prevent us from providing a lightweight layer.
+
+For example, if you'd like write scripts rather than individual commands, and
+prefer to use templating, we'd definitely recommend
+[zx](https://github.com/google/zx). zx is a much higher level library which
+does some of the same work `tinyexec` does but behind a template string
+interface.
+
+Similarly, libraries like `execa` will provide helpers for various things
+like passing files as input to processes. We opt not to support features like
+this since many of them are easy to do yourself (using Node's own APIs).
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