Expose API method for writing to application side (#4948)

src/browser/Terminal.ts

@@ -1191,6 +1191,15 @@ export class Terminal extends CoreTerminal implements ITerminal {
 
     return false;
   }
+  
+  /**
+     * Input data to application side.
+     * The data is treated the same way as typed input at the terminal (will appear in the onData event).
+     */
+  public input(data: string): void {
+    this.coreService.triggerDataEvent(data, true);
+    return this.write(data);
+  }
 
   /**
    * Resizes the terminal.

src/browser/TestUtils.test.ts

@@ -72,6 +72,9 @@ export class MockTerminal implements ITerminal {
   public focus(): void {
     throw new Error('Method not implemented.');
   }
+  public input(data: string): void {
+    throw new Error('Method not implemented.');
+  }
   public resize(columns: number, rows: number): void {
     throw new Error('Method not implemented.');
   }

src/browser/public/Terminal.ts

@@ -138,6 +138,9 @@ export class Terminal extends Disposable implements ITerminalApi {
   public focus(): void {
     this._core.focus();
   }
+  public input(data: string): void {
+    this._core.input(data);
+  }
   public resize(columns: number, rows: number): void {
     this._verifyIntegers(columns, rows);
     this._core.resize(columns, rows);