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80 lines
2.3 KiB
JavaScript
80 lines
2.3 KiB
JavaScript
"use strict";
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const generateValidator = require("./generate-validator");
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const guardedSet = require("./guarded-collections/set");
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const guardedMap = require("./guarded-collections/map");
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module.exports = function generateDescriptor(rule, key, allowSlot = false, registry) {
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if (rule._isTypeRule === true) {
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let validator = generateValidator(rule, key, registry);
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if (rule._collectionType != null) {
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let guardedCollectionFactory;
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if (rule._collectionType === "set") {
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guardedCollectionFactory = guardedSet;
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} else if (rule._collectionType === "map") {
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guardedCollectionFactory = guardedMap;
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} else {
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throw new Error(`Unknown collection type: ${rule._collectionType}`);
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}
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let valueGuard = generateValidator(rule._itemType, undefined, registry);
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let keyGuard = (rule._keyType != null) ? generateValidator(rule._keyType, undefined, registry) : null;
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return [key, {
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enumerable: true,
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get: function () {
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return this._data[key];
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},
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set: function (value) {
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if (allowSlot && value != null && value._isSlotRule === true) {
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this._data[key] = value;
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} else {
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let validationResult = validator.call(this, value);
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if (validationResult === true) {
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if (value == null) {
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this._data[key] = value;
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} else {
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this._data[key] = guardedCollectionFactory(value, valueGuard, keyGuard, this);
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}
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} else if (validationResult._default !== undefined) {
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this._data[key] = guardedCollectionFactory(validationResult._default, valueGuard, keyGuard, this);
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} else {
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throw validationResult;
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}
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}
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}
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}];
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} else {
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return [key, {
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enumerable: true,
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get: function () {
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return this._data[key];
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},
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set: function (value) {
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if (allowSlot && value != null && value._isSlotRule === true) {
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this._data[key] = value;
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} else {
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let validationResult = validator.call(this, value);
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if (validationResult === true) {
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this._data[key] = value;
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} else if (validationResult._default !== undefined) {
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this._data[key] = validationResult._default;
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} else {
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throw validationResult;
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}
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}
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}
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}];
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}
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} else {
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/* TODO: Does this cause a slowdown compared to merging in these props with Object.assign later? */
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return [key, {
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value: rule
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}];
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}
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};
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