@nestjs/graphql/dist/schema-builder/collections/metadata-by-target.collection.js

Nest - modern, fast, powerful node.js web framework (@graphql)

import { TargetMetadataCollection } from './target-metadata.collection.js';
export class MetadataByTargetCollection {
    constructor() {
        this.all = {
            argumentType: [],
            interface: new Map(),
            inputType: [],
            objectType: [],
            resolver: [],
            classDirectives: [],
            classExtensions: [],
            fieldDirectives: [],
            fieldExtensions: [],
        };
        this.storageMap = new Map();
        this.storageList = new Array();
    }
    get(target) {
        let metadata = this.storageMap.get(target);
        if (!metadata) {
            metadata = new TargetMetadataCollection(this.all);
            this.storageMap.set(target, metadata);
            this.storageList.push(metadata);
        }
        return metadata;
    }
    compile() {
        this.reversePredicate((t) => t.classDirectives.getAll());
        this.reversePredicate((t) => t.classExtensions.getAll());
        this.reversePredicate((t) => t.fieldDirectives.getAll());
        this.reversePredicate((t) => t.fieldExtensions.getAll());
    }
    reversePredicate(predicate) {
        this.storageList.forEach((t) => predicate(t).reverse());
    }
}