606 lines
19 KiB
JavaScript
606 lines
19 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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/**
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* Special values that tell deepmerge to perform a certain action.
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*/
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const actions = {
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defaultMerge: Symbol("deepmerge-ts: default merge"),
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skip: Symbol("deepmerge-ts: skip"),
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};
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/**
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* Special values that tell deepmergeInto to perform a certain action.
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*/
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const actionsInto = {
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defaultMerge: actions.defaultMerge,
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};
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/**
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* The default function to update meta data.
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*/
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function defaultMetaDataUpdater(previousMeta, metaMeta) {
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return metaMeta;
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}
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/**
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* Get the type of the given object.
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*
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* @param object - The object to get the type of.
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* @returns The type of the given object.
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*/
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function getObjectType(object) {
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if (typeof object !== "object" || object === null) {
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return 0 /* ObjectType.NOT */;
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}
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if (Array.isArray(object)) {
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return 2 /* ObjectType.ARRAY */;
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}
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if (isRecord(object)) {
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return 1 /* ObjectType.RECORD */;
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}
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if (object instanceof Set) {
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return 3 /* ObjectType.SET */;
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}
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if (object instanceof Map) {
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return 4 /* ObjectType.MAP */;
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}
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return 5 /* ObjectType.OTHER */;
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}
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/**
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* Get the keys of the given objects including symbol keys.
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*
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* Note: Only keys to enumerable properties are returned.
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*
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* @param objects - An array of objects to get the keys of.
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* @returns A set containing all the keys of all the given objects.
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*/
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function getKeys(objects) {
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const keys = new Set();
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/* eslint-disable functional/no-loop-statements -- using a loop here is more efficient. */
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for (const object of objects) {
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for (const key of [
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...Object.keys(object),
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...Object.getOwnPropertySymbols(object),
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]) {
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keys.add(key);
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}
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}
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/* eslint-enable functional/no-loop-statements */
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return keys;
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}
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/**
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* Does the given object have the given property.
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*
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* @param object - The object to test.
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* @param property - The property to test.
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* @returns Whether the object has the property.
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*/
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function objectHasProperty(object, property) {
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return (typeof object === "object" &&
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Object.prototype.propertyIsEnumerable.call(object, property));
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}
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/**
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* Get an iterable object that iterates over the given iterables.
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*/
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function getIterableOfIterables(iterables) {
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return {
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*[Symbol.iterator]() {
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// eslint-disable-next-line functional/no-loop-statements
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for (const iterable of iterables) {
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// eslint-disable-next-line functional/no-loop-statements
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for (const value of iterable) {
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yield value;
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}
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}
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},
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};
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}
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const validRecordToStringValues = new Set([
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"[object Object]",
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"[object Module]",
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]);
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/**
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* Does the given object appear to be a record.
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*/
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function isRecord(value) {
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// All records are objects.
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if (!validRecordToStringValues.has(Object.prototype.toString.call(value))) {
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return false;
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}
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const { constructor } = value;
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// If has modified constructor.
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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if (constructor === undefined) {
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return true;
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}
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// eslint-disable-next-line prefer-destructuring
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const prototype = constructor.prototype;
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// If has modified prototype.
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if (prototype === null ||
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typeof prototype !== "object" ||
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!validRecordToStringValues.has(Object.prototype.toString.call(prototype))) {
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return false;
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}
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// If constructor does not have an Object-specific method.
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// eslint-disable-next-line sonarjs/prefer-single-boolean-return, no-prototype-builtins
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if (!prototype.hasOwnProperty("isPrototypeOf")) {
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return false;
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}
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// Most likely a record.
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return true;
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}
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/**
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* The default strategy to merge records.
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*
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* @param values - The records.
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*/
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function mergeRecords$2(values, utils, meta) {
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const result = {};
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/* eslint-disable functional/no-loop-statements, functional/no-conditional-statements -- using a loop here is more performant. */
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for (const key of getKeys(values)) {
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const propValues = [];
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for (const value of values) {
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if (objectHasProperty(value, key)) {
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propValues.push(value[key]);
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}
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}
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if (propValues.length === 0) {
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continue;
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}
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const updatedMeta = utils.metaDataUpdater(meta, {
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key,
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parents: values,
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});
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const propertyResult = mergeUnknowns(propValues, utils, updatedMeta);
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if (propertyResult === actions.skip) {
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continue;
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}
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if (key === "__proto__") {
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Object.defineProperty(result, key, {
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value: propertyResult,
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configurable: true,
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enumerable: true,
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writable: true,
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});
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}
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else {
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result[key] = propertyResult;
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}
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}
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/* eslint-enable functional/no-loop-statements, functional/no-conditional-statements */
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return result;
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}
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/**
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* The default strategy to merge arrays.
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*
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* @param values - The arrays.
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*/
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function mergeArrays$2(values) {
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return values.flat();
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}
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/**
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* The default strategy to merge sets.
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*
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* @param values - The sets.
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*/
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function mergeSets$2(values) {
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return new Set(getIterableOfIterables(values));
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}
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/**
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* The default strategy to merge maps.
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*
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* @param values - The maps.
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*/
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function mergeMaps$2(values) {
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return new Map(getIterableOfIterables(values));
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}
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/**
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* Get the last value in the given array.
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*/
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function mergeOthers$2(values) {
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return values[values.length - 1];
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}
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var defaultMergeFunctions = /*#__PURE__*/Object.freeze({
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__proto__: null,
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mergeRecords: mergeRecords$2,
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mergeArrays: mergeArrays$2,
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mergeSets: mergeSets$2,
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mergeMaps: mergeMaps$2,
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mergeOthers: mergeOthers$2
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});
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/**
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* Deeply merge objects.
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*
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* @param objects - The objects to merge.
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*/
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function deepmerge(...objects) {
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return deepmergeCustom({})(...objects);
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}
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function deepmergeCustom(options, rootMetaData) {
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const utils = getUtils(options, customizedDeepmerge);
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/**
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* The customized deepmerge function.
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*/
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function customizedDeepmerge(...objects) {
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return mergeUnknowns(objects, utils, rootMetaData);
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}
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return customizedDeepmerge;
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}
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/**
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* The the utils that are available to the merge functions.
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*
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* @param options - The options the user specified
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*/
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function getUtils(options, customizedDeepmerge) {
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var _a, _b;
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return {
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defaultMergeFunctions,
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mergeFunctions: {
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...defaultMergeFunctions,
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...Object.fromEntries(Object.entries(options)
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.filter(([key, option]) => Object.prototype.hasOwnProperty.call(defaultMergeFunctions, key))
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.map(([key, option]) => option === false
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? [key, mergeOthers$2]
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: [key, option])),
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},
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metaDataUpdater: ((_a = options.metaDataUpdater) !== null && _a !== void 0 ? _a : defaultMetaDataUpdater),
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deepmerge: customizedDeepmerge,
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useImplicitDefaultMerging: (_b = options.enableImplicitDefaultMerging) !== null && _b !== void 0 ? _b : false,
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actions,
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};
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}
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/**
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* Merge unknown things.
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*
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* @param values - The values.
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*/
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function mergeUnknowns(values, utils, meta) {
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if (values.length === 0) {
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return undefined;
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}
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if (values.length === 1) {
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return mergeOthers$1(values, utils, meta);
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}
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const type = getObjectType(values[0]);
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// eslint-disable-next-line functional/no-conditional-statements -- add an early escape for better performance.
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if (type !== 0 /* ObjectType.NOT */ && type !== 5 /* ObjectType.OTHER */) {
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// eslint-disable-next-line functional/no-loop-statements -- using a loop here is more performant than mapping every value and then testing every value.
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for (let m_index = 1; m_index < values.length; m_index++) {
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if (getObjectType(values[m_index]) === type) {
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continue;
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}
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return mergeOthers$1(values, utils, meta);
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}
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}
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switch (type) {
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case 1 /* ObjectType.RECORD */: {
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return mergeRecords$1(values, utils, meta);
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}
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case 2 /* ObjectType.ARRAY */: {
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return mergeArrays$1(values, utils, meta);
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}
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case 3 /* ObjectType.SET */: {
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return mergeSets$1(values, utils, meta);
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}
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case 4 /* ObjectType.MAP */: {
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return mergeMaps$1(values, utils, meta);
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}
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default: {
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return mergeOthers$1(values, utils, meta);
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}
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}
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}
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/**
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* Merge records.
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*
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* @param values - The records.
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*/
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function mergeRecords$1(values, utils, meta) {
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const result = utils.mergeFunctions.mergeRecords(values, utils, meta);
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if (result === actions.defaultMerge ||
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(utils.useImplicitDefaultMerging &&
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result === undefined &&
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utils.mergeFunctions.mergeRecords !==
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utils.defaultMergeFunctions.mergeRecords)) {
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return utils.defaultMergeFunctions.mergeRecords(values, utils, meta);
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}
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return result;
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}
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/**
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* Merge arrays.
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*
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* @param values - The arrays.
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*/
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function mergeArrays$1(values, utils, meta) {
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const result = utils.mergeFunctions.mergeArrays(values, utils, meta);
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if (result === actions.defaultMerge ||
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(utils.useImplicitDefaultMerging &&
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result === undefined &&
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utils.mergeFunctions.mergeArrays !==
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utils.defaultMergeFunctions.mergeArrays)) {
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return utils.defaultMergeFunctions.mergeArrays(values);
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}
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return result;
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}
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/**
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* Merge sets.
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*
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* @param values - The sets.
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*/
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function mergeSets$1(values, utils, meta) {
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const result = utils.mergeFunctions.mergeSets(values, utils, meta);
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if (result === actions.defaultMerge ||
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(utils.useImplicitDefaultMerging &&
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result === undefined &&
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utils.mergeFunctions.mergeSets !== utils.defaultMergeFunctions.mergeSets)) {
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return utils.defaultMergeFunctions.mergeSets(values);
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}
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return result;
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}
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/**
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* Merge maps.
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*
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* @param values - The maps.
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*/
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function mergeMaps$1(values, utils, meta) {
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const result = utils.mergeFunctions.mergeMaps(values, utils, meta);
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if (result === actions.defaultMerge ||
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(utils.useImplicitDefaultMerging &&
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result === undefined &&
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utils.mergeFunctions.mergeMaps !== utils.defaultMergeFunctions.mergeMaps)) {
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return utils.defaultMergeFunctions.mergeMaps(values);
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}
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return result;
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}
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/**
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* Merge other things.
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*
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* @param values - The other things.
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*/
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function mergeOthers$1(values, utils, meta) {
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const result = utils.mergeFunctions.mergeOthers(values, utils, meta);
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if (result === actions.defaultMerge ||
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(utils.useImplicitDefaultMerging &&
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result === undefined &&
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utils.mergeFunctions.mergeOthers !==
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utils.defaultMergeFunctions.mergeOthers)) {
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return utils.defaultMergeFunctions.mergeOthers(values);
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}
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return result;
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}
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/**
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* The default strategy to merge records into a target record.
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*
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* @param m_target - The result will be mutated into this record
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* @param values - The records (including the target's value if there is one).
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*/
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function mergeRecords(m_target, values, utils, meta) {
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/* eslint-disable functional/no-loop-statements, functional/no-conditional-statements -- using a loop here is more performant. */
|
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for (const key of getKeys(values)) {
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const propValues = [];
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for (const value of values) {
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if (objectHasProperty(value, key)) {
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propValues.push(value[key]);
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}
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}
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if (propValues.length === 0) {
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continue;
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|
|
}
|
||
|
|
const updatedMeta = utils.metaDataUpdater(meta, {
|
||
|
|
key,
|
||
|
|
parents: values,
|
||
|
|
});
|
||
|
|
const propertyTarget = { value: propValues[0] };
|
||
|
|
mergeUnknownsInto(propertyTarget, propValues, utils, updatedMeta);
|
||
|
|
if (key === "__proto__") {
|
||
|
|
Object.defineProperty(m_target, key, {
|
||
|
|
value: propertyTarget.value,
|
||
|
|
configurable: true,
|
||
|
|
enumerable: true,
|
||
|
|
writable: true,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
m_target.value[key] = propertyTarget.value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* eslint-enable functional/no-loop-statements, functional/no-conditional-statements */
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* The default strategy to merge arrays into a target array.
|
||
|
|
*
|
||
|
|
* @param m_target - The result will be mutated into this array
|
||
|
|
* @param values - The arrays (including the target's value if there is one).
|
||
|
|
*/
|
||
|
|
function mergeArrays(m_target, values) {
|
||
|
|
m_target.value.push(...values.slice(1).flat());
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* The default strategy to merge sets into a target set.
|
||
|
|
*
|
||
|
|
* @param m_target - The result will be mutated into this set
|
||
|
|
* @param values - The sets (including the target's value if there is one).
|
||
|
|
*/
|
||
|
|
function mergeSets(m_target, values) {
|
||
|
|
for (const value of getIterableOfIterables(values.slice(1))) {
|
||
|
|
m_target.value.add(value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* The default strategy to merge maps into a target map.
|
||
|
|
*
|
||
|
|
* @param m_target - The result will be mutated into this map
|
||
|
|
* @param values - The maps (including the target's value if there is one).
|
||
|
|
*/
|
||
|
|
function mergeMaps(m_target, values) {
|
||
|
|
for (const [key, value] of getIterableOfIterables(values.slice(1))) {
|
||
|
|
m_target.value.set(key, value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Set the target to the last value.
|
||
|
|
*/
|
||
|
|
function mergeOthers(m_target, values) {
|
||
|
|
m_target.value = values[values.length - 1];
|
||
|
|
}
|
||
|
|
|
||
|
|
var defaultMergeIntoFunctions = /*#__PURE__*/Object.freeze({
|
||
|
|
__proto__: null,
|
||
|
|
mergeRecords: mergeRecords,
|
||
|
|
mergeArrays: mergeArrays,
|
||
|
|
mergeSets: mergeSets,
|
||
|
|
mergeMaps: mergeMaps,
|
||
|
|
mergeOthers: mergeOthers
|
||
|
|
});
|
||
|
|
|
||
|
|
function deepmergeInto(target, ...objects) {
|
||
|
|
return void deepmergeIntoCustom({})(target, ...objects);
|
||
|
|
}
|
||
|
|
function deepmergeIntoCustom(options, rootMetaData) {
|
||
|
|
const utils = getIntoUtils(options, customizedDeepmergeInto);
|
||
|
|
/**
|
||
|
|
* The customized deepmerge function.
|
||
|
|
*/
|
||
|
|
function customizedDeepmergeInto(target, ...objects) {
|
||
|
|
mergeUnknownsInto({ value: target }, [target, ...objects], utils, rootMetaData);
|
||
|
|
}
|
||
|
|
return customizedDeepmergeInto;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* The the utils that are available to the merge functions.
|
||
|
|
*
|
||
|
|
* @param options - The options the user specified
|
||
|
|
*/
|
||
|
|
function getIntoUtils(options, customizedDeepmergeInto) {
|
||
|
|
var _a;
|
||
|
|
return {
|
||
|
|
defaultMergeFunctions: defaultMergeIntoFunctions,
|
||
|
|
mergeFunctions: {
|
||
|
|
...defaultMergeIntoFunctions,
|
||
|
|
...Object.fromEntries(Object.entries(options)
|
||
|
|
.filter(([key, option]) => Object.prototype.hasOwnProperty.call(defaultMergeIntoFunctions, key))
|
||
|
|
.map(([key, option]) => option === false
|
||
|
|
? [key, mergeOthers]
|
||
|
|
: [key, option])),
|
||
|
|
},
|
||
|
|
metaDataUpdater: ((_a = options.metaDataUpdater) !== null && _a !== void 0 ? _a : defaultMetaDataUpdater),
|
||
|
|
deepmergeInto: customizedDeepmergeInto,
|
||
|
|
actions: actionsInto,
|
||
|
|
};
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Merge unknown things into a target.
|
||
|
|
*
|
||
|
|
* @param m_target - The target to merge into.
|
||
|
|
* @param values - The values.
|
||
|
|
*/
|
||
|
|
function mergeUnknownsInto(m_target, values, utils, meta
|
||
|
|
// eslint-disable-next-line @typescript-eslint/no-invalid-void-type
|
||
|
|
) {
|
||
|
|
if (values.length === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (values.length === 1) {
|
||
|
|
return void mergeOthersInto(m_target, values, utils, meta);
|
||
|
|
}
|
||
|
|
const type = getObjectType(m_target.value);
|
||
|
|
// eslint-disable-next-line functional/no-conditional-statements -- add an early escape for better performance.
|
||
|
|
if (type !== 0 /* ObjectType.NOT */ && type !== 5 /* ObjectType.OTHER */) {
|
||
|
|
// eslint-disable-next-line functional/no-loop-statements -- using a loop here is more performant than mapping every value and then testing every value.
|
||
|
|
for (let m_index = 1; m_index < values.length; m_index++) {
|
||
|
|
if (getObjectType(values[m_index]) === type) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
return void mergeOthersInto(m_target, values, utils, meta);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
switch (type) {
|
||
|
|
case 1 /* ObjectType.RECORD */: {
|
||
|
|
return void mergeRecordsInto(m_target, values, utils, meta);
|
||
|
|
}
|
||
|
|
case 2 /* ObjectType.ARRAY */: {
|
||
|
|
return void mergeArraysInto(m_target, values, utils, meta);
|
||
|
|
}
|
||
|
|
case 3 /* ObjectType.SET */: {
|
||
|
|
return void mergeSetsInto(m_target, values, utils, meta);
|
||
|
|
}
|
||
|
|
case 4 /* ObjectType.MAP */: {
|
||
|
|
return void mergeMapsInto(m_target, values, utils, meta);
|
||
|
|
}
|
||
|
|
default: {
|
||
|
|
return void mergeOthersInto(m_target, values, utils, meta);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Merge records into a target record.
|
||
|
|
*
|
||
|
|
* @param m_target - The target to merge into.
|
||
|
|
* @param values - The records.
|
||
|
|
*/
|
||
|
|
function mergeRecordsInto(m_target, values, utils, meta) {
|
||
|
|
const action = utils.mergeFunctions.mergeRecords(m_target, values, utils, meta);
|
||
|
|
if (action === actionsInto.defaultMerge) {
|
||
|
|
utils.defaultMergeFunctions.mergeRecords(m_target, values, utils, meta);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Merge arrays into a target array.
|
||
|
|
*
|
||
|
|
* @param m_target - The target to merge into.
|
||
|
|
* @param values - The arrays.
|
||
|
|
*/
|
||
|
|
function mergeArraysInto(m_target, values, utils, meta) {
|
||
|
|
const action = utils.mergeFunctions.mergeArrays(m_target, values, utils, meta);
|
||
|
|
if (action === actionsInto.defaultMerge) {
|
||
|
|
utils.defaultMergeFunctions.mergeArrays(m_target, values);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Merge sets into a target set.
|
||
|
|
*
|
||
|
|
* @param m_target - The target to merge into.
|
||
|
|
* @param values - The sets.
|
||
|
|
*/
|
||
|
|
function mergeSetsInto(m_target, values, utils, meta) {
|
||
|
|
const action = utils.mergeFunctions.mergeSets(m_target, values, utils, meta);
|
||
|
|
if (action === actionsInto.defaultMerge) {
|
||
|
|
utils.defaultMergeFunctions.mergeSets(m_target, values);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Merge maps into a target map.
|
||
|
|
*
|
||
|
|
* @param m_target - The target to merge into.
|
||
|
|
* @param values - The maps.
|
||
|
|
*/
|
||
|
|
function mergeMapsInto(m_target, values, utils, meta) {
|
||
|
|
const action = utils.mergeFunctions.mergeMaps(m_target, values, utils, meta);
|
||
|
|
if (action === actionsInto.defaultMerge) {
|
||
|
|
utils.defaultMergeFunctions.mergeMaps(m_target, values);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Merge other things into a target.
|
||
|
|
*
|
||
|
|
* @param m_target - The target to merge into.
|
||
|
|
* @param values - The other things.
|
||
|
|
*/
|
||
|
|
function mergeOthersInto(m_target, values, utils, meta) {
|
||
|
|
const action = utils.mergeFunctions.mergeOthers(m_target, values, utils, meta);
|
||
|
|
if (action === actionsInto.defaultMerge ||
|
||
|
|
m_target.value === actionsInto.defaultMerge) {
|
||
|
|
utils.defaultMergeFunctions.mergeOthers(m_target, values);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
exports.deepmerge = deepmerge;
|
||
|
|
exports.deepmergeCustom = deepmergeCustom;
|
||
|
|
exports.deepmergeInto = deepmergeInto;
|
||
|
|
exports.deepmergeIntoCustom = deepmergeIntoCustom;
|