Add a 'View in code editor' link to the PHPCS warnings/errors

admin/admin.php

@@ -71,4 +71,46 @@ function render_page() {
 			}
 		}
 	}
-}
+}
+
+/**
+ * Includes JS to jump to a specific line in the code editor.
+ *
+ * @since 0.2.1
+ *
+ * @param string $hook_suffix Which admin page we're on.
+ *
+ * @return void
+ */
+function jump_to_line_code_editor( $hook_suffix ) {
+	$line = (int) ( $_GET['line'] ?? 0 ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+	if ( ! $line ) {
+		return;
+	}
+
+	if ( 'plugin-editor.php' !== $hook_suffix ) {
+		return;
+	}
+
+	wp_add_inline_script(
+		'wp-theme-plugin-editor',
+		sprintf(
+			'
+				(
+					( originalInitCodeEditor ) => {
+						wp.themePluginEditor.initCodeEditor = function() {
+							originalInitCodeEditor.apply( this, arguments );
+							this.instance.codemirror.doc.setCursor( %d - 1 );
+						};
+					}
+				)( wp.themePluginEditor.initCodeEditor );
+			',
+			wp_json_encode( $line )
+		)
+	);
+}
+
+/**
+ * Jump to the requested line when opening the file editor.
+ */
+add_action( 'admin_enqueue_scripts', __NAMESPACE__ . '\jump_to_line_code_editor' );

checks/phpcs.php

@@ -110,16 +110,39 @@ protected function phpcs_result_to_warnings( $result ) {
 				}
 
 				$source_code = esc_html( trim( file( $this->path . '/' . $filename )[ $message['line'] - 1 ] ) );
+				$plugin_data = get_plugins( '/' . $this->slug );
+				$edit_link   = '';
+
+				$edit_link = sprintf(
+					'<a href="%1$s" title="%2$s" aria-label="%2$s" target="_blank">%3$s</a>',
+					esc_url(
+						add_query_arg(
+							[
+								'plugin' => rawurlencode( $this->slug . '/' . array_key_first( $plugin_data ) ),
+								'file'   => rawurlencode( $this->slug . '/' . $filename ),
+								'line'   => rawurlencode( $message['line'] ),
+							],
+							admin_url( 'plugin-editor.php' )
+						)
+					),
+					sprintf(
+						/* translators: %1$s is the path to a plugin file. */
+						esc_attr__( 'View %1$s in the plugin file editor.', 'plugin-check' ),
+						$this->slug . '/' . $filename
+					),
+					esc_html__( 'View in code editor', 'plugin-check' )
+				);
 
 				$return[] = new $notice_class(
 					$message['source'],
 					sprintf(
-						'%s Line %d of file %s.<br>%s.<br>%s',
+						'%s Line %d of file %s.<br>%s.<br>%s%s',
 						"<strong>{$message['source']}</strong>",
 						$message['line'],
 						$filename,
 						rtrim( $message['message'], '.' ),
-						"<pre><code>{$source_code}</code></pre>"
+						"<pre><code>{$source_code}</code></pre>",
+						$edit_link
 					)
 				);
 			}