1 | "use strict";
|
2 | Object.defineProperty(exports, "__esModule", { value: true });
|
3 | const constants_1 = require("@nestjs/common/constants");
|
4 | const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
|
5 | const iterare_1 = require("iterare");
|
6 | const context_creator_1 = require("../helpers/context-creator");
|
7 | const constants_2 = require("../injector/constants");
|
8 | class BaseExceptionFilterContext extends context_creator_1.ContextCreator {
|
9 | constructor(container) {
|
10 | super();
|
11 | this.container = container;
|
12 | }
|
13 | createConcreteContext(metadata, contextId = constants_2.STATIC_CONTEXT, inquirerId) {
|
14 | if (shared_utils_1.isEmpty(metadata)) {
|
15 | return [];
|
16 | }
|
17 | return iterare_1.default(metadata)
|
18 | .filter(instance => instance && (shared_utils_1.isFunction(instance.catch) || instance.name))
|
19 | .map(filter => this.getFilterInstance(filter, contextId, inquirerId))
|
20 | .filter(item => !!item)
|
21 | .map(instance => ({
|
22 | func: instance.catch.bind(instance),
|
23 | exceptionMetatypes: this.reflectCatchExceptions(instance),
|
24 | }))
|
25 | .toArray();
|
26 | }
|
27 | getFilterInstance(filter, contextId = constants_2.STATIC_CONTEXT, inquirerId) {
|
28 | const isObject = filter.catch;
|
29 | if (isObject) {
|
30 | return filter;
|
31 | }
|
32 | const instanceWrapper = this.getInstanceByMetatype(filter);
|
33 | if (!instanceWrapper) {
|
34 | return null;
|
35 | }
|
36 | const instanceHost = instanceWrapper.getInstanceByContextId(contextId, inquirerId);
|
37 | return instanceHost && instanceHost.instance;
|
38 | }
|
39 | getInstanceByMetatype(filter) {
|
40 | if (!this.moduleContext) {
|
41 | return undefined;
|
42 | }
|
43 | const collection = this.container.getModules();
|
44 | const module = collection.get(this.moduleContext);
|
45 | if (!module) {
|
46 | return undefined;
|
47 | }
|
48 | return module.injectables.get(filter.name);
|
49 | }
|
50 | reflectCatchExceptions(instance) {
|
51 | const prototype = Object.getPrototypeOf(instance);
|
52 | return (Reflect.getMetadata(constants_1.FILTER_CATCH_EXCEPTIONS, prototype.constructor) || []);
|
53 | }
|
54 | }
|
55 | exports.BaseExceptionFilterContext = BaseExceptionFilterContext;
|