ui/src: convert misc files directly under src to typescript

prettier.config.ts

@@ -0,0 +1,17 @@
+const pluginGoTemplate = require.resolve('prettier-plugin-go-template')
+module.exports = {
+  trailingComma: 'all',
+  semi: false,
+  jsxSingleQuote: true,
+  singleQuote: true,
+  endOfLine: 'lf',
+  plugins: [pluginGoTemplate],
+  overrides: [
+    {
+      files: ['*.html'],
+      options: {
+        parser: 'go-template',
+      },
+    },
+  ],
+}

web/src/esbuild.config.js → web/src/esbuild.config.ts

@@ -32,7 +32,7 @@ const dynamicPublicPathPlugin = {
   },
 }
 
-async function run() {
+async function run(): Promise<void> {
   const method = process.argv.includes('--watch') ? 'context' : 'build'
 
   if (!process.env.GOALERT_VERSION)

web/src/esbuild.cypress.js → web/src/esbuild.cypress.ts

@@ -1,7 +1,6 @@
 #!/usr/bin/env node
 /* eslint @typescript-eslint/no-var-requires: 0 */
 /* eslint @typescript-eslint/no-require-imports: 0 */
-const path = require('path')
 const glob = require('glob')
 
 const intEntry = {}
@@ -10,7 +9,7 @@ glob.globSync(path.join(__dirname, 'cypress/e2e/*')).forEach((file) => {
   intEntry['integration/' + name] = file
 })
 
-async function run() {
+async function run(): Promise<void> {
   const method = process.argv.includes('--watch') ? 'context' : 'build'
 
   const ctx = await require('esbuild')[method]({