blindly copying deltachat-node to core repository

node/scripts/common.js

@@ -0,0 +1,26 @@
+const spawnSync = require('child_process').spawnSync
+
+const verbose = isVerbose()
+
+function spawn (cmd, args, opts) {
+  log(`>> spawn: ${cmd} ${args.join(' ')}`)
+  const result = spawnSync(cmd, args, opts)
+  if (result.status === null) {
+    console.error(`Could not find ${cmd}`)
+    process.exit(1)
+  } else if (result.status !== 0) {
+    console.error(`${cmd} failed with code ${result.status}`)
+    process.exit(1)
+  }
+}
+
+function log (...args) {
+  if (verbose) console.log(...args)
+}
+
+function isVerbose () {
+  const loglevel = process.env.npm_config_loglevel
+  return loglevel === 'verbose' || process.env.CI === 'true'
+}
+
+module.exports = { spawn, log, isVerbose, verbose }