53 lines
2.4 KiB
JavaScript
53 lines
2.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.keyValuePairsToObjectMapper = keyValuePairsToObjectMapper;
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exports.keyValuePairsToObjectUnmapper = keyValuePairsToObjectUnmapper;
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const globals_1 = require("../../../utils/globals");
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const safeObjectCreate = Object.create;
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const safeObjectDefineProperty = Object.defineProperty;
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const safeObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
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const safeObjectGetPrototypeOf = Object.getPrototypeOf;
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const safeObjectGetOwnPropertySymbols = Object.getOwnPropertySymbols;
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const safeObjectGetOwnPropertyNames = Object.getOwnPropertyNames;
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const safeObjectEntries = Object.entries;
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function keyValuePairsToObjectMapper(definition) {
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const obj = definition[1] ? safeObjectCreate(null) : {};
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for (const keyValue of definition[0]) {
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safeObjectDefineProperty(obj, keyValue[0], {
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enumerable: true,
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configurable: true,
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writable: true,
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value: keyValue[1],
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});
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}
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return obj;
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}
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function buildIsValidPropertyNameFilter(obj) {
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return function isValidPropertyNameFilter(key) {
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const descriptor = safeObjectGetOwnPropertyDescriptor(obj, key);
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return (descriptor !== undefined &&
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!!descriptor.configurable &&
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!!descriptor.enumerable &&
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!!descriptor.writable &&
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descriptor.get === undefined &&
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descriptor.set === undefined);
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};
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}
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function keyValuePairsToObjectUnmapper(value) {
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if (typeof value !== 'object' || value === null) {
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throw new globals_1.Error('Incompatible instance received: should be a non-null object');
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}
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const hasNullPrototype = safeObjectGetPrototypeOf(value) === null;
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const hasObjectPrototype = 'constructor' in value && value.constructor === Object;
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if (!hasNullPrototype && !hasObjectPrototype) {
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throw new globals_1.Error('Incompatible instance received: should be of exact type Object');
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}
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if (safeObjectGetOwnPropertySymbols(value).length > 0) {
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throw new globals_1.Error('Incompatible instance received: should contain symbols');
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}
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if (!(0, globals_1.safeEvery)(safeObjectGetOwnPropertyNames(value), buildIsValidPropertyNameFilter(value))) {
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throw new globals_1.Error('Incompatible instance received: should contain only c/e/w properties without get/set');
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}
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return [safeObjectEntries(value), hasNullPrototype];
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}
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