Fix incorrect trigger matching if multiple are provided

Move trigger types to where they are used

Closes #241

Author: simonwep

packages/vanilla/src/index.ts

@@ -8,7 +8,7 @@ import {intersects} from './utils/intersects';
 import {isSafariBrowser, isTouchDevice} from './utils/browser';
 import {on, off, simplifyEvent} from './utils/events';
 import {selectAll, SelectAllSelectors} from './utils/selectAll';
-import {shouldTrigger} from './utils/shouldTrigger';
+import {matchesTrigger} from './utils/matchesTrigger';
 
 // Re-export types
 export * from './types';
@@ -168,7 +168,7 @@ export default class SelectionArea extends EventTarget<SelectionEvents> {
         const {document, startAreas, boundaries, features, behaviour} = this._options;
         const targetBoundingClientRect = target.getBoundingClientRect();
 
-        if (evt instanceof MouseEvent && !shouldTrigger(evt, behaviour.triggers)) {
+        if (evt instanceof MouseEvent && !matchesTrigger(evt, behaviour.triggers)) {
             return;
         }
 

packages/vanilla/src/types.ts

@@ -1,5 +1,6 @@
 import type SelectionArea from './index';
 import type {Intersection} from './utils/intersects';
+import type {Trigger} from './utils/matchesTrigger';
 
 export type DeepPartial<T> =
     T extends unknown[] ? T :
@@ -54,24 +55,6 @@ export interface Coordinates {
 export type TapMode = 'touch' | 'native';
 export type OverlapMode = 'keep' | 'drop' | 'invert';
 
-// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/button#value
-export type MouseButton = 0  // Main
-                        | 1  // Auxiliary
-                        | 2  // Secondary
-                        | 3  // Fourth
-                        | 4; // Fifth
-
-export type Modifier = 'ctrl'
-                     | 'alt'
-                     | 'shift';
-
-export type Trigger = MouseButton | MouseButtonWithModifiers;
-
-export type MouseButtonWithModifiers =  {
-    button: MouseButton,
-    modifiers: Modifier[]
-};
-
 export interface Scrolling {
     speedDivider: number;
     manualSpeed: number;

…kages/vanilla/src/utils/shouldTrigger.ts …ages/vanilla/src/utils/matchesTrigger.tspackages/vanilla/src/utils/shouldTrigger.ts renamed to packages/vanilla/src/utils/matchesTrigger.ts packages/vanilla/src/utils/shouldTrigger.ts renamed to packages/vanilla/src/utils/matchesTrigger.ts

@@ -1,4 +1,21 @@
-import {Trigger} from '../types';
+
+// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/button#value
+export type MouseButton = 0  // Main
+    | 1  // Auxiliary
+    | 2  // Secondary
+    | 3  // Fourth
+    | 4; // Fifth
+
+export type Modifier = 'ctrl'
+    | 'alt'
+    | 'shift';
+
+export type Trigger = MouseButton | MouseButtonWithModifiers;
+
+export type MouseButtonWithModifiers =  {
+    button: MouseButton,
+    modifiers: Modifier[]
+};
 
 /**
  * Determines whether a MouseEvent should execute until completion depending on
@@ -8,18 +25,21 @@ import {Trigger} from '../types';
  * @param triggers A list of Triggers that signify that the event should execute until completion
  * @returns Whether the MouseEvent should execute until completion
  */
-export const shouldTrigger = (event: MouseEvent, triggers: Trigger[]): boolean => {
-    for (const trigger of triggers) {
+export const matchesTrigger = (event: MouseEvent, triggers: Trigger[]): boolean =>
+    triggers.some((trigger) => {
+
         // The trigger requires only a specific button to be pressed
         if (typeof trigger === 'number') {
             return event.button === trigger;
         }
 
         // The trigger requires a specific button to be pressed AND some modifiers
         if (typeof trigger === 'object') {
-            const reqButtonIsPressed = trigger.button === event.button;
+            if (trigger.button !== event.button) {
+                return false;
+            }
 
-            const allReqModifiersArePressed = trigger.modifiers.every((modifier) => {
+            return trigger.modifiers.every((modifier) => {
                 switch (modifier) {
                     case 'alt':
                         return event.altKey;
@@ -29,11 +49,7 @@ export const shouldTrigger = (event: MouseEvent, triggers: Trigger[]): boolean =
                         return event.shiftKey;
                 }
             });
-
-            return reqButtonIsPressed && allReqModifiersArePressed;
         }
-    }
 
-    // By default, we do not process the event
-    return false;
-};
+        return false;
+    });