1 files changed, 68 insertions, 0 deletions
diff --git a/lang/gjs/lib/process.ts b/lang/gjs/lib/process.ts
new file mode 100644
index 0000000..2f7816b
--- /dev/null
+++ b/lang/gjs/lib/process.ts
@@ -0,0 +1,68 @@
+import Astal from "gi://AstalIO"
+
+type Args = {
+    cmd: string | string[]
+    out?: (stdout: string) => void
+    err?: (stderr: string) => void
+}
+
+export function subprocess(args: Args): Astal.Process
+
+export function subprocess(
+    cmd: string | string[],
+    onOut?: (stdout: string) => void,
+    onErr?: (stderr: string) => void,
+): Astal.Process
+
+export function subprocess(
+    argsOrCmd: Args | string | string[],
+    onOut: (stdout: string) => void = print,
+    onErr: (stderr: string) => void = printerr,
+) {
+    const args = Array.isArray(argsOrCmd) || typeof argsOrCmd === "string"
+    const { cmd, err, out } = {
+        cmd: args ? argsOrCmd : argsOrCmd.cmd,
+        err: args ? onErr : argsOrCmd.err || onErr,
+        out: args ? onOut : argsOrCmd.out || onOut,
+    }
+
+    const proc = Array.isArray(cmd)
+        ? Astal.Process.subprocessv(cmd)
+        : Astal.Process.subprocess(cmd)
+
+    proc.connect("stdout", (_, stdout: string) => out(stdout))
+    proc.connect("stderr", (_, stderr: string) => err(stderr))
+    return proc
+}
+
+/** @throws {GLib.Error} Throws stderr */
+export function exec(cmd: string | string[]) {
+    return Array.isArray(cmd)
+        ? Astal.Process.execv(cmd)
+        : Astal.Process.exec(cmd)
+}
+
+export function execAsync(cmd: string | string[]): Promise<string> {
+    return new Promise((resolve, reject) => {
+        if (Array.isArray(cmd)) {
+            Astal.Process.exec_asyncv(cmd, (_, res) => {
+                try {
+                    resolve(Astal.Process.exec_asyncv_finish(res))
+                }
+                catch (error) {
+                    reject(error)
+                }
+            })
+        }
+        else {
+            Astal.Process.exec_async(cmd, (_, res) => {
+                try {
+                    resolve(Astal.Process.exec_finish(res))
+                }
+                catch (error) {
+                    reject(error)
+                }
+            })
+        }
+    })
+}