react-native-wishlist/lib/commonjs/TemplateValue.js

The fastest List component for React Native.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createTemplateValue = createTemplateValue;
exports.isTemplateValue = isTemplateValue;
exports.useTemplateValue = useTemplateValue;
var _react = require("react");
var _InflatorRepository = require("./InflatorRepository");
var _Utils = require("./Utils");
var _WishlistJsRuntime = require("./WishlistJsRuntime");
function createTemplateValue(mapper) {
  const id = (0, _Utils.generateId)();
  function getOrCreateUIState() {
    'worklet';

    const registry = (0, _InflatorRepository.getUIInflatorRegistry)();
    let state = registry.getTemplateValueState(id);
    if (!state) {
      state = {
        dirty: true,
        current: undefined
      };
      registry.setTemplateValueState(id, state);
    }
    return state;
  }
  function setDirty() {
    'worklet';

    const state = getOrCreateUIState();
    state.dirty = true;
  }
  function value() {
    'worklet';

    const registry = (0, _InflatorRepository.getUIInflatorRegistry)();
    const state = getOrCreateUIState();
    if (state.dirty) {
      state.current = mapper(registry.getCurrentValue(), registry.getCurrentRootValue());
      state.dirty = false;
    }
    return state.current;
  }
  function remove() {
    (0, _WishlistJsRuntime.createRunInWishlistFn)(() => {
      'worklet';

      (0, _InflatorRepository.getUIInflatorRegistry)().deleteTemplateValueState(id);
    });
  }
  return {
    __isTemplateValue: true,
    __setDirty: setDirty,
    __remove: remove,
    value
  };
}
function isTemplateValue(value) {
  return value !== null && typeof value === 'object' && value.__isTemplateValue === true;
}
function useTemplateValue(mapper) {
  const value = (0, _react.useMemo)(() => {
    return createTemplateValue(mapper);
  }, [mapper]);
  (0, _react.useEffect)(() => {
    return () => value.__remove();
  }, [value]);
  return value;
}
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