respond-framework/dist/createModule/plugins/leave.js

create as fast you think

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _trySync = require("../../utils/trySync.js");
const leave0 = ({
  condition = defaultCondition,
  findCurr = defaultFindCurr
} = {}) => (state, e, next) => {
  if (!condition(state, e)) return;
  const event = findCurr(state).event;
  const modState = event.module; // plugin could be in any module

  const res = event.beforeLeave?.call(modState, modState, e);
  return (0, _trySync.default)(res, r => leave(modState, e, r, next, event));
};
var _default = exports.default = leave0;
const leave = (state, e, canLeave, next, event) => {
  if (canLeave === false) {
    state.respond.devtools.sendPrevented({
      type: 'beforeLeave',
      returned: false
    }, e);
    return false;
  }
  const res = event.leave?.call(state, state, e);
  return (0, _trySync.default)(res, _ => {
    if (!event.afterLeave) return;
    return (0, _trySync.default)(next(), _ => event.afterLeave(state, state, e));
  });
};
const defaultFindCurr = state => state.curr;
const defaultCondition = (state, e) => !state.respond.isEqualNavigations(e, state.curr);

// example conditions

// const leaveModule = (state, e) =>
//   e.kind === state.respond.kinds.navigation &&
//   e.event.module !== state.curr.module // note: plugins must be applied to a parent module that contains children each with different navigation events