Initial commit

node_modules/express-validator/src/middlewares/one-of.js

@@ -0,0 +1,46 @@
+"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 base_1 = require("../base");
+const context_builder_1 = require("../context-builder");
+function oneOf(chains, message) {
+    return (req, _res, next) => __awaiter(this, void 0, void 0, function* () {
+        const surrogateContext = new context_builder_1.ContextBuilder().build();
+        // Run each group of chains in parallel, and within each group, run each chain in parallel too.
+        const promises = chains.map((chain) => __awaiter(this, void 0, void 0, function* () {
+            const group = Array.isArray(chain) ? chain : [chain];
+            const contexts = yield Promise.all(group.map(chain => chain.run(req, { saveContext: false })));
+            const groupErrors = _.flatMap(contexts, 'errors');
+            // #536: The data from a chain within oneOf() can only be made available to e.g. matchedData()
+            // if its entire group is valid.
+            if (!groupErrors.length) {
+                contexts.forEach(context => {
+                    surrogateContext.addFieldInstances(context.getData());
+                });
+            }
+            return groupErrors;
+        }));
+        req[base_1.contextsSymbol] = (req[base_1.contextsSymbol] || []).concat(surrogateContext);
+        try {
+            const allErrors = yield Promise.all(promises);
+            const success = allErrors.some(groupErrors => groupErrors.length === 0);
+            if (!success) {
+                // Only add an error to the context if no group of chains had success.
+                surrogateContext.addError(typeof message === 'function' ? message({ req }) : message || 'Invalid value(s)', _.flatMap(allErrors));
+            }
+            next();
+        }
+        catch (e) {
+            next(e);
+        }
+    });
+}
+exports.oneOf = oneOf;