47 lines
2.4 KiB
JavaScript
47 lines
2.4 KiB
JavaScript
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"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const _ = require("lodash");
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const base_1 = require("../base");
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const context_builder_1 = require("../context-builder");
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function oneOf(chains, message) {
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return (req, _res, next) => __awaiter(this, void 0, void 0, function* () {
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const surrogateContext = new context_builder_1.ContextBuilder().build();
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// Run each group of chains in parallel, and within each group, run each chain in parallel too.
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const promises = chains.map((chain) => __awaiter(this, void 0, void 0, function* () {
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const group = Array.isArray(chain) ? chain : [chain];
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const contexts = yield Promise.all(group.map(chain => chain.run(req, { saveContext: false })));
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const groupErrors = _.flatMap(contexts, 'errors');
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// #536: The data from a chain within oneOf() can only be made available to e.g. matchedData()
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// if its entire group is valid.
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if (!groupErrors.length) {
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contexts.forEach(context => {
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surrogateContext.addFieldInstances(context.getData());
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});
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}
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return groupErrors;
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}));
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req[base_1.contextsSymbol] = (req[base_1.contextsSymbol] || []).concat(surrogateContext);
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try {
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const allErrors = yield Promise.all(promises);
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const success = allErrors.some(groupErrors => groupErrors.length === 0);
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if (!success) {
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// Only add an error to the context if no group of chains had success.
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surrogateContext.addError(typeof message === 'function' ? message({ req }) : message || 'Invalid value(s)', _.flatMap(allErrors));
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}
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next();
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}
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catch (e) {
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next(e);
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}
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});
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}
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exports.oneOf = oneOf;
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