react-native-gesture-handler/lib/commonjs/components/Pressable/StateMachine.js

Declarative API exposing native platform touch and gesture system to React Native

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.PressableStateMachine = void 0;
class PressableStateMachine {
  constructor(steps) {
    this.states = steps;
    this.currentStepIndex = 0;
    this.eventPayload = null;
  }
  reset() {
    this.currentStepIndex = 0;
    this.eventPayload = null;
  }
  handleEvent(eventName, eventPayload) {
    const step = this.states[this.currentStepIndex];
    this.eventPayload = eventPayload || this.eventPayload;
    if (step.eventName !== eventName) {
      if (this.currentStepIndex > 0) {
        // retry with position at index 0
        this.reset();
        this.handleEvent(eventName, eventPayload);
      }
      return;
    }
    if (this.eventPayload && step.callback) {
      step.callback(this.eventPayload);
    }
    this.currentStepIndex++;
    if (this.currentStepIndex === this.states.length) {
      this.reset();
    }
  }
}
exports.PressableStateMachine = PressableStateMachine;
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