ionic-framework/packages/vue/src/utils.ts

import { Ref, ComponentPublicInstance } from 'vue';
import { Config as CoreConfig, LIFECYCLE_DID_ENTER, LIFECYCLE_DID_LEAVE, LIFECYCLE_WILL_ENTER, LIFECYCLE_WILL_LEAVE } from '@ionic/core';

type LIFECYCLE_EVENTS = typeof LIFECYCLE_WILL_ENTER | typeof LIFECYCLE_DID_ENTER | typeof LIFECYCLE_WILL_LEAVE | typeof LIFECYCLE_DID_LEAVE;

export enum LifecycleHooks {
  WillEnter = 'onIonViewWillEnter',
  DidEnter = 'onIonViewDidEnter',
  WillLeave = 'onIonViewWillLeave',
  DidLeave = 'onIonViewDidLeave'
}
const hookNames = {
  [LIFECYCLE_WILL_ENTER]: LifecycleHooks.WillEnter,
  [LIFECYCLE_DID_ENTER]: LifecycleHooks.DidEnter,
  [LIFECYCLE_WILL_LEAVE]: LifecycleHooks.WillLeave,
  [LIFECYCLE_DID_LEAVE]: LifecycleHooks.DidLeave
}

const ids: { [k: string]: number } = { main: 0 };

export const generateId = (type = 'main') => {
  const id = (ids[type] ?? 0) + 1;
  ids[type] = id;
  return (id).toString();
};

// TODO types
export const fireLifecycle = (vueComponent: any, vueInstance: Ref<ComponentPublicInstance>, lifecycle: LIFECYCLE_EVENTS) => {
  if (vueComponent?.[lifecycle]) {
    vueComponent[lifecycle].bind(vueInstance?.value)();
  }

  const instance = vueInstance?.value as any;
  if (instance?.[lifecycle]) {
    instance[lifecycle]();
  }

  /**
   * Fire any Composition API
   * Ionic Lifecycle hooks
   */
  if (instance) {
    const hook = hookNames[lifecycle];
    const hooks = instance[hook];
    if (hooks) {
      hooks.forEach((hook: Function) => hook());
    }
  }
}

export const getConfig = (): CoreConfig | null => {
  if (typeof (window as any) !== 'undefined') {
    const Ionic = (window as any).Ionic;
    if (Ionic && Ionic.config) {
      return Ionic.config;
    }
  }
  return null;
};

export const needsKebabCase = (version: string) => !['3.0.0', '3.0.1', '3.0.2', '3.0.3', '3.0.4', '3.0.5'].includes(version);