Add reducer

This commit is contained in:
Anton Medvedev 2023-09-13 16:25:11 +02:00
parent 3206f5001d
commit 9c81b09720
No known key found for this signature in database
3 changed files with 64 additions and 2 deletions

View File

@ -87,8 +87,11 @@ func main() {
}
fileName = path.Base(filePath)
src = f
} else {
} else if !stdinIsTty && len(args) == 0 {
src = os.Stdin
} else {
reduce(args)
return
}
data, err := io.ReadAll(src)

59
reduce.go Normal file
View File

@ -0,0 +1,59 @@
package main
import (
_ "embed"
"fmt"
"os"
"os/exec"
"path"
)
//go:embed npm/index.js
var src []byte
func reduce(fns []string) {
script := path.Join(os.TempDir(), fmt.Sprintf("fx-%v.js", version))
_, err := os.Stat(script)
if os.IsNotExist(err) {
err := os.WriteFile(script, src, 0644)
if err != nil {
panic(err)
}
}
deno := false
bin, err := exec.LookPath("node")
if err != nil {
if err != nil {
bin, err = exec.LookPath("deno")
if err != nil {
_, _ = fmt.Fprintf(os.Stderr, "Node.js or Deno is required to run fx with reducers.\n")
os.Exit(1)
}
deno = true
}
}
var args []string
if deno {
args = []string{"run", "-A", script}
} else {
args = []string{script}
}
args = append(args, fns...)
cmd := exec.Command(bin, args...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err = cmd.Run()
switch err := err.(type) {
case nil:
os.Exit(0)
case *exec.ExitError:
os.Exit(err.ExitCode())
default:
panic(err)
}
}

View File

@ -1,3 +1,3 @@
package main
const version = "30"
const version = "30.0.0"