80 lines
3 KiB
JavaScript
80 lines
3 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const _ = require("lodash");
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function getDataMapKey(path, location) {
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return `${location}:${path}`;
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}
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class Context {
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constructor(fields, locations, stack, optional, message) {
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this.fields = fields;
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this.locations = locations;
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this.stack = stack;
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this.optional = optional;
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this.message = message;
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this._errors = [];
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this.dataMap = new Map();
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}
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get errors() {
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return this._errors;
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}
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getData(options = { requiredOnly: false }) {
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// Have to store this.optional in a const otherwise TS thinks the value could have changed
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// when the functions below run
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const { optional } = this;
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const checks = options.requiredOnly && optional
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? [
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(value) => value !== undefined,
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(value) => (optional.nullable ? value != null : true),
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(value) => (optional.checkFalsy ? value : true),
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]
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: [];
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return _([...this.dataMap.values()])
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.groupBy('originalPath')
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.flatMap((instances, group) => {
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const locations = _.uniqBy(instances, 'location');
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// #331 - When multiple locations are involved, all of them must pass the validation.
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// If none of the locations contain the field, we at least include one for error reporting.
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// #458, #531 - Wildcards are an exception though: they may yield 0..* instances with different
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// paths, so we may want to skip this filtering.
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if (instances.length > 1 && locations.length > 1 && !group.includes('*')) {
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const withValue = instances.filter(instance => instance.value !== undefined);
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return withValue.length ? withValue : [instances[0]];
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}
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return instances;
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})
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.filter(instance => checks.every(check => check(instance.value)))
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.valueOf();
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}
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addFieldInstances(instances) {
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instances.forEach(instance => {
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this.dataMap.set(getDataMapKey(instance.path, instance.location), Object.assign({}, instance));
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});
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}
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setData(path, value, location) {
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const instance = this.dataMap.get(getDataMapKey(path, location));
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if (!instance) {
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throw new Error('Attempt to write data that did not pre-exist in context');
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}
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instance.value = value;
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}
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addError(message, valueOrNestedErrors, meta) {
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const msg = message || this.message || 'Invalid value';
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if (meta) {
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this._errors.push({
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value: valueOrNestedErrors,
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msg: typeof msg === 'function' ? msg(valueOrNestedErrors, meta) : msg,
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param: meta.path,
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location: meta.location,
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});
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}
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else {
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this._errors.push({
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msg,
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param: '_error',
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nestedErrors: valueOrNestedErrors,
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});
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}
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}
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}
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exports.Context = Context;
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