fluidstate/extras/reactive-plugin-object.js

Library for fine-grained reactivity state management

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getObjectSetChanges = exports.getObjectDeleteChanges = void 0;
var _reactivePlugin = require("./reactive-plugin");
/**
 * Generates a list of change descriptions for an object set operation.
 * This function is intended to be called when a property is set on an object.
 *
 * @param object The reactive object proxy.
 * @param property The property key (string or symbol) being set.
 * @param previousValue The value of the property *before* the set operation.
 * @param nextValue The new value being set for the property.
 * @returns An array of ReactiveChange objects, or null if no reportable changes occurred (though current implementation always returns a change).
 */
const getObjectSetChanges = (object, property, previousValue, nextValue) => {
  const objectChange = {
    type: _reactivePlugin.ObjectChangeType.SetProperty,
    property,
    previousValue,
    nextValue
  };
  return [{
    type: _reactivePlugin.ReactiveChangeType.Object,
    object,
    objectChange
  }];
};

/**
 * Generates a list of change descriptions for an object delete operation.
 * This function is intended to be called when a property is deleted from an object.
 *
 * @param object The reactive object proxy.
 * @param property The property key (string or symbol) being deleted.
 * @param previousValue The value of the property *before* the delete operation.
 * @returns An array of ReactiveChange objects, or null if no reportable changes occurred (though current implementation always returns a change).
 */
exports.getObjectSetChanges = getObjectSetChanges;
const getObjectDeleteChanges = (object, property, previousValue) => {
  const objectChange = {
    type: _reactivePlugin.ObjectChangeType.DeleteProperty,
    property,
    previousValue
  };
  return [{
    type: _reactivePlugin.ReactiveChangeType.Object,
    object,
    objectChange
  }];
};
exports.getObjectDeleteChanges = getObjectDeleteChanges;
//# sourceMappingURL=reactive-plugin-object.js.map