Setup Script

package.json

@@ -19,7 +19,8 @@
     "deploy-prepack:prod": "NODE_ENV=production sls deploy --package .serverless --stage production",
     "deploy:prod": "NODE_ENV=production sls deploy --stage production",
     "remove-stack:dev": "sls remove --stage development",
-    "zip-release": "zip -r release.zip .serverless serverless.yaml package.json package-lock.json"
+    "zip-release": "zip -r release.zip .serverless serverless.yaml package.json package-lock.json",
+    "setup": "node scripts/setup.js"
   },
   "keywords": [],
   "author": "",
@@ -55,5 +56,7 @@
     "serverless-webpack": "^5.3.2",
     "webpack": "^4.43.0"
   },
-  "dependencies": {}
+  "dependencies": {
+    "replace-in-file": "^6.0.0"
+  }
 }

scripts/constants.js

@@ -0,0 +1,22 @@
+const flags = [/myapp/g, /MyApp/g]
+const longNameFlags = [/My App/g]
+
+/* DIR PATHS */
+const UIPath = 'packages/ui/'
+const APIPath = 'packages/api/'
+
+const packageJson = 'package.json'
+const yamlFile = 'serverless.yaml'
+const manifest = 'public/manifest.json'
+const index = 'public/index.html'
+
+module.exports = {
+  flags,
+  longNameFlags,
+  UIPath,
+  APIPath,
+  packageJson,
+  yamlFile,
+  manifest,
+  index,
+}

scripts/installDependencies.js

@@ -0,0 +1,17 @@
+const npm = require('npm')
+const constants = require('./constants')
+
+const installUIDependencies = () => {
+  npm.load(() => npm.commands.install(constants.UIPath, []))
+}
+
+const installAPIDependencies = () => {
+  npm.load(() => npm.commands.install(constants.APIPath, []))
+}
+
+const installDependencies = async () => {
+  installUIDependencies()
+  installAPIDependencies()
+}
+
+module.exports = installDependencies

scripts/replaceFlags.js

@@ -0,0 +1,47 @@
+const replace = require('replace-in-file')
+const constants = require('./constants')
+
+const getUndescoredString = (string) => string.split(' ').join('_')
+const getLowerCaseString = (string) => string.toLowerCase()
+const getLowerCasedUnderscoredString = (string) => getUndescoredString(getLowerCaseString(string))
+
+const replaceShortFlags = (shortName) => replace.sync({
+  files: [
+    constants.packageJson,
+    `${constants.UIPath}${constants.packageJson}`,
+    `${constants.APIPath}${constants.packageJson}`,
+    `${constants.UIPath}${constants.manifest}`,
+    constants.yamlFile,
+  ],
+  from: constants.flags,
+  to: getLowerCasedUnderscoredString(shortName),
+})
+
+const replaceLongFlags = (appName) => replace.sync({
+  files: [
+    `${constants.UIPath}${constants.manifest}`,
+    `${constants.UIPath}${constants.index}`,
+  ],
+  from: constants.longNameFlags,
+  to: appName,
+})
+
+const replaceFlag = (appName, shortName) => {
+  const changeShortName = replaceShortFlags(shortName)
+  const changeAppName = replaceLongFlags(appName)
+
+  const filesChanged = [...changeShortName, ...changeAppName.filter((change) => {
+    const shortNameFile = changeShortName.find((ch) => ch.file === change.file)
+    /* conditional to get unique files */
+    if (shortNameFile) {
+      return change.hasChanged !== shortNameFile.hasChanged && change.hasChanged
+    }
+
+    return change
+  })]
+
+  const filesCount = filesChanged.filter((r) => r.hasChanged).length
+  console.info(`${filesCount} files changed!`)
+}
+
+module.exports = replaceFlag

scripts/setup.js

@@ -0,0 +1,12 @@
+const replaceFlags = require('./replaceFlags')
+const installDependencies = require('./installDependencies')
+
+const main = () => {
+  const appName = process.env.npm_config_appName
+  const shortName = process.env.npm_config_shortName || appName
+
+  replaceFlags(appName, shortName)
+  installDependencies()
+}
+
+main()

serverless.yaml

@@ -165,7 +165,7 @@ functions:
           - dynamodb:UpdateItem
         Resource:
           - !GetAtt UserTable.Arn
-  
+
   cognitoAutoConfirm:
     handler: packages/api/functions/cognito/auto-confirm-user.handler