use ANDROID_HOME and ANDROID_SDK_ROOT

Author: ds300

src/adb.js

@@ -1,19 +1,47 @@
 const { spawn } = require("child_process")
-const { gray } = require("kleur")
+const { gray, bold } = require("kleur")
 const { getDevice } = require("./getDevice")
-const { verbose, formatSpawnArgs } = require("./log")
+const { verbose, formatSpawnArgs, fail } = require("./log")
 const { spawnSafeSync } = require("./spawnSafeSync")
+const { join } = require("path")
 
 let device = ""
+let adbPath = "adb"
 
 module.exports.adb = (/** @type {string[]} */ ...args) =>
-  spawnSafeSync("adb", ["-s", device, ...args])
+  spawnSafeSync(adbPath, ["-s", device, ...args])
 
 module.exports.adbAsync = (/** @type {string[]} */ ...args) => {
   verbose(gray("$"), "adb", formatSpawnArgs(["-s", device, ...args]))
-  return spawn("adb", ["-s", device, ...args])
+  return spawn(adbPath, ["-s", device, ...args])
+}
+
+function setupAdbPath() {
+  const adbs = [
+    process.env["ANDROID_HOME"] || "",
+    process.env["ANDROID_SDK_ROOT"] || "",
+  ]
+    .filter(Boolean)
+    .map((dir) => join(dir, "adb"))
+    .concat(["adb"])
+  for (const _adbPath of adbs) {
+    verbose("Trying", bold("adb"), "at path", bold(_adbPath))
+    adbPath = adbPath
+    const result = spawnSafeSync(adbPath, ["devices"])
+    if (!result.error && result.status === 0) {
+      verbose("It worked!")
+      return true
+    }
+  }
+  return false
 }
 
 module.exports.init = async () => {
+  if (!setupAdbPath()) {
+    fail(
+      `${bold("adb")} not found`,
+      "Please install and configure the android dev tools.",
+    )
+  }
   device = await getDevice()
 }

src/getDevice.js

@@ -5,14 +5,6 @@ const { selectOption } = require("./selectOption")
 const { spawnSafeSync } = require("./spawnSafeSync")
 
 module.exports.getDevice = async () => {
-  const res = spawnSafeSync("which", ["adb"], { failOnError: false })
-  if (res.status !== 0) {
-    fail(
-      `${bold("adb")} not found`,
-      "Please install and configure the android dev tools.",
-    )
-  }
-
   const result = spawnSafeSync("adb", ["devices", "-l"]).stdout.toString()
   const deviceLines = result
     .replace("List of devices attached", "")