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dagger/stdlib/js/yarn/yarn.cue

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// Yarn is a package manager for Javascript applications
// https://yarnpkg.com
package yarn
import (
"strings"
"dagger.io/dagger"
"dagger.io/alpine"
"dagger.io/os"
)
// A Yarn package.
#Package: {
// Application source code
source: dagger.#Artifact @dagger(input)
// Extra alpine packages to install
package: {
[string]: true | false | string
} @dagger(input)
// working directory to use
cwd: *"." | string @dagger(input)
// Environment variables
env: {
[string]: string
} @dagger(input)
// Write the contents of `environment` to this file,
// in the "envfile" format.
writeEnvFile: string | *"" @dagger(input)
// Read build output from this directory
// (path must be relative to working directory).
buildDir: string | *"build" @dagger(input)
// Run this yarn script
script: string | *"build" @dagger(input)
// Optional arguments for the script
args: [...string] | *[] @dagger(input)
build: os.#Dir & {
from: ctr
path: "/build"
} @dagger(output)
ctr: os.#Container & {
image: alpine.#Image & {
"package": package & {
bash: "=~5.1"
yarn: "=~1.22"
}
}
shell: path: "/bin/bash"
command: """
[ -n "$ENVFILE_NAME" ] && echo "$ENVFILE" > "$ENVFILE_NAME"
yarn --cwd "$YARN_CWD" install --production false
opts=( $(echo $YARN_ARGS) )
yarn --cwd "$YARN_CWD" run "$YARN_BUILD_SCRIPT" ${opts[@]}
mv "$YARN_BUILD_DIRECTORY" /build
"""
"env": env & {
YARN_BUILD_SCRIPT: script
YARN_ARGS: strings.Join(args, "\n")
YARN_CACHE_FOLDER: "/cache/yarn"
YARN_CWD: cwd
YARN_BUILD_DIRECTORY: buildDir
if writeEnvFile != "" {
ENVFILE_NAME: writeEnvFile
ENVFILE: strings.Join([ for k, v in env {"\(k)=\(v)"}], "\n")
}
}
dir: "/src"
mount: "/src": from: source
cache: "/cache/yarn": true
}
}