@yarnpkg/shell
Last updated 3 years ago
by yarnbot
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package.json
$ gnpm install @yarnpkg/shell
SYNC missed versions from
official npm registry.
@yarnpkg/shell
A JavaScript implementation of a bash-like shell (we use it in Yarn 2 to provide cross-platform scripting). This package exposes an API that abstracts both the parser and the interpreter; should you only need the parser you can check out @yarnpkg/parsers, but you probably won't need it.
Usage
import {execute} from '@yarnpkg/shell';
process.exitCode = await execute(`ls "$0" | wc -l`, [process.cwd()]);
Features
- Typechecked
- Portable across systems
- Supports custom JS builtins
- Supports pipes
- Supports glob patterns (only for files that exist on the filesystem:
ls *.txt) - Supports logical operators
- Supports subshells
- Supports variables
- Supports string manipulators
- Supports argc/argv
- Supports background jobs with color-coded output
- Supports the most classic builtins
- Doesn't necessarily need to access the fs
Help Wanted
- Full glob support (
mv build/{index.js,index.build.js},echo {foo,bar},FOO=a,b echo {$FOO,x}) - More string manipulators
Non-Goals
- Perfect POSIX compliance (basic scripting is enough for now)
- Multiline scripts (we mostly target one-liners)
- Control structures (same reason)
Current Tags
119 Versions
- 3.3.0 ... a year ago
- 4.0.0 ... a year ago
- 4.0.0-rc.53 ... a year ago
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Maintainers (6)
bestander
cpojer
daniel15
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Dependencies (9)
- @yarnpkg/fslib ^2.6.0-rc.6
- @yarnpkg/parsers ^2.4.1-rc.6
- chalk ^3.0.0
- clipanion ^3.0.1
- cross-spawn 7.0.3
- fast-glob ^3.2.2
- micromatch ^4.0.2
- stream-buffers ^3.0.2
- tslib ^1.13.0
Dev Dependencies (4)
- @types/cross-spawn 6.0.0
- @types/micromatch ^4.0.1
- @yarnpkg/monorepo ^0.0.0
- strip-ansi ^6.0.0
Dependents (1)