adjust sync native package

bindings/javascript/sync/packages/native/index.d.ts

@@ -9,6 +9,18 @@ export declare class Database {
    * * `path` - The path to the database file.
    */
   constructor(path: string, opts?: DatabaseOpts | undefined | null)
+  /**
+   * Connect the database synchronously
+   * This method is idempotent and can be called multiple times safely until the database will be closed
+   */
+  connectSync(): void
+  /**
+   * Connect the database asynchronously
+   * This method is idempotent and can be called multiple times safely until the database will be closed
+   */
+  connectAsync(): Promise<void>
+  /** Returns whether the database is in readonly-only mode. */
+  get readonly(): boolean
   /** Returns whether the database is in memory-only mode. */
   get memory(): boolean
   /** Returns whether the database is in memory-only mode. */
@@ -101,11 +113,6 @@ export declare class Statement {
    * 1 = Row available, 2 = Done, 3 = I/O needed
    */
   stepSync(): number
-  /**
-   * Step the statement and return result code (executed on the background thread):
-   * 1 = Row available, 2 = Done, 3 = I/O needed
-   */
-  stepAsync(): Promise<number>
   /** Get the current row data according to the presentation mode */
   row(): unknown
   /** Sets the presentation mode to raw. */
@@ -126,7 +133,14 @@ export declare class Statement {
   finalize(): void
 }
 
+/**
+ * Most of the options are aligned with better-sqlite API
+ * (see https://github.com/WiseLibs/better-sqlite3/blob/master/docs/api.md#new-databasepath-options)
+ */
 export interface DatabaseOpts {
+  readonly?: boolean
+  timeout?: number
+  fileMustExist?: boolean
   tracing?: string
 }
 export declare class GeneratorHolder {
@@ -153,7 +167,7 @@ export declare class JsProtocolRequestBytes {
 
 export declare class SyncEngine {
   constructor(opts: SyncEngineOpts)
-  init(): GeneratorHolder
+  connect(): GeneratorHolder
   ioLoopSync(): void
   /** Runs the I/O loop asynchronously, returning a Promise. */
   ioLoopAsync(): Promise<void>
@@ -163,22 +177,18 @@ export declare class SyncEngine {
   wait(): GeneratorHolder
   apply(changes: SyncEngineChanges): GeneratorHolder
   checkpoint(): GeneratorHolder
-  open(): Database
+  db(): Database
   close(): void
 }
 
 export declare class SyncEngineChanges {
-
+  empty(): boolean
 }
 
 export declare const enum DatabaseChangeTypeJs {
-  Insert = 0,
-  Update = 1,
-  Delete = 2
-}
-
-export interface DatabaseOpts {
-  path: string
+  Insert = 'insert',
+  Update = 'update',
+  Delete = 'delete'
 }
 
 export interface DatabaseRowMutationJs {
@@ -225,6 +235,6 @@ export interface SyncEngineOpts {
 }
 
 export declare const enum SyncEngineProtocolVersion {
-  Legacy = 0,
-  V1 = 1
+  Legacy = 'legacy',
+  V1 = 'v1'
 }