chore: add types to gitignore.ts (#6527)

Co-authored-by: lemusthelroy <lewis.john.thorley@gmail.com>
Co-authored-by: Sarah Etter <sarah.etter@netlify.com>

package.json

@@ -193,6 +193,7 @@
     "@types/jsonwebtoken": "9.0.6",
     "@types/node": "20.9.0",
     "@types/node-fetch": "2.6.11",
+    "@types/parse-gitignore": "^1.0.2",
     "@types/prettyjson": "0.0.33",
     "@types/semver": "7.5.8",
     "@types/uuid": "9.0.8",

src/utils/gitignore.ts

@@ -1,22 +1,19 @@
 import { readFile, writeFile } from 'fs/promises'
 import path from 'path'
 
-// @ts-expect-error TS(7016) FIXME: Could not find a declaration file for module 'pars... Remove this comment to see the full error message
 import parseIgnore from 'parse-gitignore'
 
 import { fileExistsAsync } from '../lib/fs.js'
 
 import { log } from './command-helpers.js'
 
-// @ts-expect-error TS(7006) FIXME: Parameter 'dir' implicitly has an 'any' type.
-const hasGitIgnore = async function (dir) {
+const hasGitIgnore = async function (dir: string) {
   const gitIgnorePath = path.join(dir, '.gitignore')
   const hasIgnore = await fileExistsAsync(gitIgnorePath)
   return hasIgnore
 }
 
-// @ts-expect-error TS(7006) FIXME: Parameter 'dir' implicitly has an 'any' type.
-export const ensureNetlifyIgnore = async function (dir) {
+export const ensureNetlifyIgnore = async function (dir: string) {
   const gitIgnorePath = path.join(dir, '.gitignore')
   const ignoreContent = '# Local Netlify folder\n.netlify\n'
 
@@ -35,7 +32,6 @@ export const ensureNetlifyIgnore = async function (dir) {
     // ignore
   }
   /* Not ignoring .netlify folder. Add to .gitignore */
-  // @ts-expect-error TS(7006) FIXME: Parameter 'pattern' implicitly has an 'any' type.
   if (!ignorePatterns || !ignorePatterns.patterns.some((pattern) => /(^|\/|\\)\.netlify($|\/|\\)/.test(pattern))) {
     log()
     log('Adding local .netlify folder to .gitignore file...')