73 lines
3.2 KiB
JavaScript
73 lines
3.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ContextRunnerImpl = exports.ResultWithContextImpl = void 0;
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const _ = require("lodash");
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const base_1 = require("../base");
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const context_1 = require("../context");
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const field_selection_1 = require("../field-selection");
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const validation_result_1 = require("../validation-result");
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class ResultWithContextImpl extends validation_result_1.Result {
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constructor(context) {
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super(error => error, context.errors);
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this.context = context;
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}
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}
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exports.ResultWithContextImpl = ResultWithContextImpl;
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class ContextRunnerImpl {
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constructor(builderOrContext, selectFields = field_selection_1.selectFields) {
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this.builderOrContext = builderOrContext;
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this.selectFields = selectFields;
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}
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async run(req, options = {}) {
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const context = this.builderOrContext instanceof context_1.Context
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? this.builderOrContext
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: this.builderOrContext.build();
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const internalReq = req;
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const bail = internalReq[base_1.contextsKey]?.some(context => context.bail && context.errors.length > 0);
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if (bail) {
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return new ResultWithContextImpl(context);
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}
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const instances = this.selectFields(req, context.fields, context.locations);
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context.addFieldInstances(instances);
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const haltedInstances = new Set();
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for (const contextItem of context.stack) {
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const promises = context.getData({ requiredOnly: true }).map(async (instance) => {
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const { location, path } = instance;
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const instanceKey = `${location}:${path}`;
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if (haltedInstances.has(instanceKey)) {
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return;
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}
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try {
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await contextItem.run(context, instance.value, {
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req,
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location,
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path,
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pathValues: instance.pathValues,
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});
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// An instance is mutable, so if an item changed its value, there's no need to call getData again
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const newValue = instance.value;
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// Checks whether the value changed.
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// Avoids e.g. undefined values being set on the request if it didn't have the key initially.
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const reqValue = path !== '' ? _.get(req[location], path) : req[location];
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if (!options.dryRun && reqValue !== instance.value) {
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path !== '' ? _.set(req[location], path, newValue) : _.set(req, location, newValue);
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}
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}
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catch (e) {
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if (e instanceof base_1.ValidationHalt) {
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haltedInstances.add(instanceKey);
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return;
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}
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throw e;
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}
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});
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await Promise.all(promises);
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}
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if (!options.dryRun) {
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internalReq[base_1.contextsKey] = (internalReq[base_1.contextsKey] || []).concat(context);
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}
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return new ResultWithContextImpl(context);
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}
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}
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exports.ContextRunnerImpl = ContextRunnerImpl;
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