🧑‍💻 cli: introducing dev commands debug for ad-hoc work, labels to get status of all translation labels, and translate to help with adding new ones

tdrive/backend/node/src/utils/exec.ts

@@ -0,0 +1,64 @@
+import util from "util";
+import { exec } from "child_process";
+
+export const execPromise = util.promisify(exec);
+
+import OS from "os";
+const openCommandForPlatform = () => {
+  switch (OS.platform()) {
+    case "darwin":
+      return "open";
+    case "win32":
+      return "start";
+    case "linux":
+      return "xdg-open";
+    default:
+      throw new Error(`Platform ${OS.platform()} is not supported.`);
+  }
+};
+const veryPoorManShellEscape = str => "'" + str.replace(/'/g, "'\"'\"'") + "'";
+
+export const openWithSystemViewer = (file: string) =>
+  execPromise([openCommandForPlatform(), veryPoorManShellEscape(file)].join(" "));
+
+import { spawn as spawnWithCB } from "child_process";
+
+export const spawn = (cmd: string, args: string[] = []) => {
+  const reader = stream =>
+    new Promise((resolve, reject) => {
+      const bufs = [];
+      let len = 0;
+      stream.on("error", reject);
+      stream.on("finish", () => {
+        resolve(Buffer.concat(bufs, len).toString("utf-8"));
+      });
+      stream.on("data", data => {
+        bufs.push(data);
+        len += data.length;
+      });
+    });
+  const process = spawnWithCB(cmd, args);
+  const stdout = reader(process.stdout),
+    stderr = reader(process.stderr);
+  const processPromise = new Promise((resolve, reject) => {
+    process.on("error", reject);
+    process.on("close", resolve);
+  });
+  process.stdin.end();
+  return Promise.all([processPromise, stdout, stderr]).then(([code, stdout, stderr]) => ({
+    code,
+    stdout,
+    stderr,
+  }));
+};
+
+export const spawnCheckingExitCode = (cmd: string, args: string[] = []) =>
+  spawn(cmd, args).then(execResult => {
+    if (execResult.code != 0)
+      throw new Error(
+        `Error running ${cmd} ${JSON.stringify(args)}: exit with ${execResult.code}. Output:\n${
+          execResult.stdout
+        }\n${execResult.stderr}`,
+      );
+    return execResult;
+  });