Fix using BACKSPACE key in input dialogs

simonovich · simonovich · commit 2a66fbdaf9f1 · 2022-07-27T15:38:04.000+03:00
diff --git a/src/Input/InputIO.php b/src/Input/InputIO.php
@@ -75,9 +75,11 @@ public function collect(Input $input) : InputResult
                         }
 
                     case InputCharacter::BACKSPACE:
-                        $inputValue = substr($inputValue, 0, -1);
-                        $this->parentMenu->redraw();
-                        $this->drawInput($input, $inputValue);
+                        if (!empty($inputValue)) {
+                            $inputValue = substr($inputValue, 0, -1);
+                            $this->parentMenu->redraw();
+                            $this->drawInput($input, $inputValue);
+                        }
                         continue 2;
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -75,9 +75,11 @@ public function collect(Input $input) : InputResult`
`75`	`75`	`}`
`76`	`76`
`77`	`77`	`case InputCharacter::BACKSPACE:`
`78`		`- $inputValue = substr($inputValue, 0, -1);`
`79`		`- $this->parentMenu->redraw();`
`80`		`- $this->drawInput($input, $inputValue);`
	`78`	`+ if (!empty($inputValue)) {`
	`79`	`+ $inputValue = substr($inputValue, 0, -1);`
	`80`	`+ $this->parentMenu->redraw();`
	`81`	`+ $this->drawInput($input, $inputValue);`
	`82`	`+ }`
`81`	`83`	`continue 2;`
`82`	`84`	`}`
`83`	`85`