feat(keys): add pgdown, pgup, home & end

Author: zaldih

src/constants/cli.constants.ts

@@ -74,8 +74,9 @@ export const HELP_HEADER = `This tool allows you to list any node_modules direct
  | SPACE:          delete selected result
  | Cursor UP, k:   move up
  | Cursor DOWN, j: move down
- | h, d, Ctrl+d:   move one page down
- | l, u, Ctrl+u:   move one page up`;
+ | h, d, Ctrl+d, PgUp:     move one page down
+ | l, u, Ctrl+u, PgDown:   move one page up
+ | home, end:      move to the first and last result`;
 
 export const HELP_FOOTER =
   'Not all node_modules are bad! Some applications (like vscode, Discord, etc) need those dependencies to work. If their directory is deleted, the application will probably break (until the dependencies are reinstalled). NPKILL will show you these directories by highlighting them ⚠️';

src/constants/main.constants.ts

@@ -53,6 +53,10 @@ export const VALID_KEYS: string[] = [
   'l', // Move page up
   'u', // Move page up
   'd', // Move page down
+  'pageup',
+  'pagedown',
+  'home', // Move to the first result
+  'end', // Move to the last result
 ];
 
 export const BANNER = `-----                    __   .__.__  .__

src/controller.ts

@@ -78,6 +78,10 @@ export class Controller {
     l: this.moveCursorPageUp.bind(this),
     d: this.moveCursorPageDown.bind(this),
     u: this.moveCursorPageUp.bind(this),
+    pageup: this.moveCursorPageUp.bind(this),
+    pagedown: this.moveCursorPageDown.bind(this),
+    home: this.moveCursorFirstResult.bind(this),
+    end: this.moveCursorLastResult.bind(this),
 
     execute(command: string, params: string[]) {
       return this[command](params);
@@ -667,6 +671,19 @@ export class Controller {
     this.fitScroll();
   }
 
+  private moveCursorFirstResult(): void {
+    this.previusCursorPosY = this.getRealCursorPosY();
+    this.cursorPosY = MARGINS.ROW_RESULTS_START;
+    this.fitScroll();
+  }
+
+  private moveCursorLastResult(): void {
+    this.previusCursorPosY = this.getRealCursorPosY();
+    this.cursorPosY =
+      MARGINS.ROW_RESULTS_START + this.resultsService.results.length - 1;
+    this.fitScroll();
+  }
+
   private fitScroll(): void {
     const shouldScrollUp =
       this.cursorPosY < MARGINS.ROW_RESULTS_START + this.scroll;

src/interfaces/command-keys.interface.ts

@@ -8,5 +8,9 @@ export interface IKeysCommand {
   l: () => void;
   d: () => void;
   u: () => void;
+  pageup: () => void;
+  pagedown: () => void;
+  home: () => void;
+  end: () => void;
   execute: (command: string, params?: string[]) => number;
 }