82 lines
No EOL
3.4 KiB
JavaScript
82 lines
No EOL
3.4 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.BotStatePropertyAccessor = void 0;
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/**
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* A `BotState` specific implementation of the `StatePropertyAccessor` interface.
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*
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* @remarks
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* Properties can be defined for a given `BotState` instance using `createProperty()`.
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*
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* ```JavaScript
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* const dialogStateProperty = ConversationState.createProperty('dialogState');
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* const dialogs = new DialogSet(dialogStateProperty);
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* ```
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* @param T (Optional) type of property being persisted. Defaults to `any` type.
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*/
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class BotStatePropertyAccessor {
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/**
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* Creates a new BotStatePropertyAccessor instance.
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*
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* @param state Parent BotState instance.
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* @param name Unique name of the property for the parent BotState.
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*/
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constructor(state, name) {
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this.state = state;
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this.name = name;
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}
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/**
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* Deletes the persisted property from its backing storage object.
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*
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* @param context [TurnContext](xref:botbuilder-core.TurnContext) object for this turn.
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*/
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delete(context) {
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return __awaiter(this, void 0, void 0, function* () {
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const obj = yield this.state.load(context);
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if (Object.prototype.hasOwnProperty.call(obj, this.name)) {
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delete obj[this.name];
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}
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});
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}
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/**
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* Reads a persisted property from its backing storage object.
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*
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* @param context [TurnContext](xref:botbuilder-core.TurnContext) object for this turn.
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* @param defaultValue Optional. Default value for the property.
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* @returns A JSON representation of the cached state.
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*/
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get(context, defaultValue) {
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return __awaiter(this, void 0, void 0, function* () {
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const obj = yield this.state.load(context);
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if (!Object.prototype.hasOwnProperty.call(obj, this.name) && defaultValue !== undefined) {
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const clone = typeof defaultValue === 'object' || Array.isArray(defaultValue)
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? JSON.parse(JSON.stringify(defaultValue))
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: defaultValue;
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obj[this.name] = clone;
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}
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return obj[this.name];
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});
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}
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/**
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* Assigns a new value to the properties backing storage object.
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*
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* @param context [TurnContext](xref:botbuilder-core.TurnContext) object for this turn.
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* @param value Value to set on the property.
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*/
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set(context, value) {
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return __awaiter(this, void 0, void 0, function* () {
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const obj = yield this.state.load(context);
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obj[this.name] = value;
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});
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}
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}
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exports.BotStatePropertyAccessor = BotStatePropertyAccessor;
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//# sourceMappingURL=botStatePropertyAccessor.js.map
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