feat: expose escapeId and format and correct TypeScript types (#120)

Author: benvium

index.d.ts

@@ -100,7 +100,9 @@ declare namespace serverlessMysql {
     config(config?: string | MySQL.ConnectionConfig): MySQL.ConnectionConfig
     query<T>(...args): Promise<T>
     end(): Promise<void>
-    escape(str: string): MySQL.EscapeFunctions
+    escape: MySQL.EscapeFunctions['escape'],
+    escapeId: MySQL.EscapeFunctions['escapeId'],
+    format: MySQL.EscapeFunctions['format'],
     quit(): void
     transaction(): Transaction
     getCounter(): number

index.js

@@ -418,6 +418,9 @@ module.exports = (params) => {
   }
 
   let escape = MYSQL.escape
+  let escapeId = MYSQL.escapeId
+  let format = MYSQL.format
+
   // Set MySQL configs
   config(connCfg)
 
@@ -429,6 +432,8 @@ module.exports = (params) => {
     query,
     end,
     escape,
+    escapeId,
+    format,
     quit,
     transaction,
     getCounter,