express-validator/src/context-items/sanitization.js

Express middleware for the validator module.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const _ = require("lodash");
const utils_1 = require("../utils");
class Sanitization {
    constructor(sanitizer, custom, options = []) {
        this.sanitizer = sanitizer;
        this.custom = custom;
        this.options = options;
    }
    run(context, value, meta) {
        return __awaiter(this, void 0, void 0, function* () {
            const { req, path, location } = meta;
            const newValue = this.custom
                ? this.sanitizer(value, meta)
                : this.sanitizer(utils_1.toString(value), ...this.options);
            context.setData(path, newValue, location);
            // Checks whether the value changed.
            // Avoids e.g. undefined values being set on the request if it didn't have the key initially.
            const reqValue = path !== '' ? _.get(req[location], path) : req[location];
            if (reqValue !== newValue) {
                path !== '' ? _.set(req[location], path, newValue) : _.set(req, location, newValue);
            }
        });
    }
}
exports.Sanitization = Sanitization;