(feature) replace credentials file if user asks

cli/package.json

@@ -22,12 +22,14 @@
   },
   "dependencies": {
     "@metlo/testing": "^0.0.1",
+    "@types/valid-url": "^1.0.3",
     "axios": "^0.27.2",
     "commander": "^9.4.0",
     "dotenv": "^16.0.2",
     "enquirer": "^2.3.6",
     "nodemon": "^2.0.19",
     "ts-node": "^10.9.1",
-    "tsconfig-paths": "^4.1.0"
+    "tsconfig-paths": "^4.1.0",
+    "valid-url": "^1.0.9"
   }
 }

cli/src/index.ts

@@ -7,7 +7,7 @@ program.name("metlo").description("Metlo's command line tool.").version("0.0.0")
 program
   .command("init")
   .description("Initialize the Metlo CLI.")
-  .argument("-b, --backend_url <string>", "The backend address for Metlo")
+  .option("-b, --backend_url <string>", "The backend address for Metlo")
   .action(init)
 program
   .command("test")

cli/src/init.ts

@@ -2,41 +2,63 @@ import fs, { writeFileSync } from "fs"
 import os from "os"
 import path from "path"
 import { CREDENTIAL_FILE } from "./utils"
-import readline from "readline"
-import { promisify } from "util"
 import { prompt } from "enquirer"
+import { isUri } from "valid-url"
 
-const setup_host = async () => {
+const get_host_from_cli = async () => {
   // Function returns string, is marked as void for some reason.
-  return (
-    await prompt({
+  const resp = await prompt([
+    {
       type: "input",
       name: "host",
       message: "Host address of metlo backend :",
+    },
+  ])
+  return resp["host"] as string
+}
+
+const should_replace_credentials = async () => {
+  // Function returns string, is marked as void for some reason.
+  return (
+    await prompt({
+      type: "confirm",
+      name: "replace",
+      message: `Credentials already exist at ~/${CREDENTIAL_FILE}. Are you sure you want to replace them?`,
     })
-  )["host"]
+  )["replace"] as boolean
 }
 
-const init = async host => {
+const setup_new_cred = async host => {
   const homeDir = os.homedir()
-  const creditialFileExists = fs.existsSync(path.join(homeDir, CREDENTIAL_FILE))
-  if (creditialFileExists) {
-    console.log(
-      `Credentials already exist at ~/${CREDENTIAL_FILE}. Are you sure you want to replace them? [Y/n]`,
-    )
+  var backend_host: string
+  if (host && !(host instanceof Object)) {
+    backend_host = host
   } else {
-    var backend_host: string
-    console.log(host)
-    // console.log(rest)
-    if (host) {
-      backend_host = host
-    } else {
-      backend_host = await setup_host()
-    }
+    backend_host = await get_host_from_cli()
+  }
+
+  if (isUri(backend_host)) {
     writeFileSync(
       path.join(homeDir, CREDENTIAL_FILE),
       `METLO_HOST=${backend_host}`,
     )
+  } else {
+    console.log(`Invalid url passed for backend host : ${backend_host}`)
+  }
+}
+
+const init = async ({ backend_url: host }) => {
+  const homeDir = os.homedir()
+  const creditialFileExists = fs.existsSync(path.join(homeDir, CREDENTIAL_FILE))
+  if (creditialFileExists) {
+    let shouldReplace = await should_replace_credentials()
+    if (shouldReplace) {
+      setup_new_cred(host)
+    } else {
+      console.log("Leaving credentials file untouched")
+    }
+  } else {
+    setup_new_cred(host)
   }
 }
 

cli/yarn.lock

@@ -56,15 +56,6 @@
     "@types/yargs" "^17.0.8"
     chalk "^4.0.0"
 
-"@metlo/testing@^0.0.1":
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/@metlo/testing/-/testing-0.0.1.tgz#9c224970304fa465b6bbf9d7e2f9634aec104a77"
-  integrity sha512-XkgCNfYPG8GlnRMeXbW2K+fj1F+m5SoO+yx62knJxAwzYRoSZiwI0x87axCyMT2twt4+1wbxEvtExs0O6fOMyA==
-  dependencies:
-    axios "^0.27.2"
-    expect "^29.0.2"
-    vm2 "^3.9.11"
-
 "@jridgewell/resolve-uri@^3.0.3":
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/@jridgewell/resolve-uri/-/resolve-uri-3.1.0.tgz#2203b118c157721addfe69d47b70465463066d78"
@@ -83,6 +74,15 @@
     "@jridgewell/resolve-uri" "^3.0.3"
     "@jridgewell/sourcemap-codec" "^1.4.10"
 
+"@metlo/testing@^0.0.1":
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/@metlo/testing/-/testing-0.0.1.tgz#9c224970304fa465b6bbf9d7e2f9634aec104a77"
+  integrity sha512-XkgCNfYPG8GlnRMeXbW2K+fj1F+m5SoO+yx62knJxAwzYRoSZiwI0x87axCyMT2twt4+1wbxEvtExs0O6fOMyA==
+  dependencies:
+    axios "^0.27.2"
+    expect "^29.0.2"
+    vm2 "^3.9.11"
+
 "@sinclair/typebox@^0.24.1":
   version "0.24.39"
   resolved "https://registry.yarnpkg.com/@sinclair/typebox/-/typebox-0.24.39.tgz#21d0c56c295a00e391e20a88a48c11d4a1210ac5"
@@ -144,6 +144,11 @@
   resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-2.0.1.tgz#20f18294f797f2209b5f65c8e3b5c8e8261d127c"
   integrity sha512-Hl219/BT5fLAaz6NDkSuhzasy49dwQS/DSdu4MdggFB8zcXv7vflBI3xp7FEmkmdDkBUI2bPUNeMttp2knYdxw==
 
+"@types/valid-url@^1.0.3":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/@types/valid-url/-/valid-url-1.0.3.tgz#a124389fb953559c7f889795a98620e91adb3687"
+  integrity sha512-+33x29mg+ecU88ODdWpqaie2upIuRkhujVLA7TuJjM823cNMbeggfI6NhxewaRaRF8dy+g33e4uIg/m5Mb3xDQ==
+
 "@types/yargs-parser@*":
   version "21.0.0"
   resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-21.0.0.tgz#0c60e537fa790f5f9472ed2776c2b71ec117351b"
@@ -739,6 +744,11 @@ v8-compile-cache-lib@^3.0.1:
   resolved "https://registry.yarnpkg.com/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz#6336e8d71965cb3d35a1bbb7868445a7c05264bf"
   integrity sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==
 
+valid-url@^1.0.9:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/valid-url/-/valid-url-1.0.9.tgz#1c14479b40f1397a75782f115e4086447433a200"
+  integrity sha512-QQDsV8OnSf5Uc30CKSwG9lnhMPe6exHtTXLRYX8uMwKENy640pU+2BgBL0LRbDh/eYRahNCS7aewCx0wf3NYVA==
+
 vm2@^3.9.11:
   version "3.9.11"
   resolved "https://registry.yarnpkg.com/vm2/-/vm2-3.9.11.tgz#a880f510a606481719ec3f9803b940c5805a06fe"