@multiversx/sdk-nestjs-http/lib/interceptors/exclude.fields.interceptor.js

Multiversx SDK Nestjs http package

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ExcludeFieldsInterceptor = void 0;
const tslib_1 = require("tslib");
const common_1 = require("@nestjs/common");
const operators_1 = require("rxjs/operators");
let ExcludeFieldsInterceptor = class ExcludeFieldsInterceptor {
    intercept(context, next) {
        const contextType = context.getType();
        if (!["http", "https"].includes(contextType)) {
            return next.handle();
        }
        const request = context.getArgByIndex(0);
        return next
            .handle()
            .pipe((0, operators_1.map)((resultRef) => {
            if (typeof resultRef !== 'object' || resultRef === null) {
                return resultRef;
            }
            const result = JSON.parse(JSON.stringify(resultRef));
            const excludeFieldsArgument = request.query.excludeFields;
            if (excludeFieldsArgument) {
                const excludeFields = Array.isArray(excludeFieldsArgument) ? excludeFieldsArgument : excludeFieldsArgument.split(',');
                if (Array.isArray(result)) {
                    for (const item of result) {
                        this.transformItem(item, excludeFields);
                    }
                }
                else {
                    this.transformItem(result, excludeFields);
                }
            }
            return result;
        }));
    }
    transformItem(item, excludeFields) {
        for (const key of Object.keys(item)) {
            if (excludeFields.includes(key)) {
                delete item[key];
            }
        }
    }
};
ExcludeFieldsInterceptor = tslib_1.__decorate([
    (0, common_1.Injectable)()
], ExcludeFieldsInterceptor);
exports.ExcludeFieldsInterceptor = ExcludeFieldsInterceptor;
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