@mlightcad/common
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The common package provides shared utilities and base classes that are used across the RealDWG-Web ecosystem. This package contains fundamental components for color management, event handling, logging, performance monitoring, and file loading operations.
186 lines • 6.03 kB
JavaScript
/**
* Utility functions extracted from lodash-es to reduce bundle size
* These are simplified implementations of commonly used lodash functions
*/
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
/**
* Creates a shallow clone of an object
* @param obj The object to clone
* @returns A shallow clone of the object
*/
export function clone(obj) {
if (obj === null || typeof obj !== 'object') {
return obj;
}
if (Array.isArray(obj)) {
return __spreadArray([], __read(obj), false);
}
return __assign({}, obj);
}
/**
* Assigns own enumerable properties of source objects to the destination object for all destination properties that resolve to undefined.
* @param obj The destination object
* @param sources The source objects
* @returns The destination object
*/
export function defaults(obj) {
var e_1, _a;
var sources = [];
for (var _i = 1; _i < arguments.length; _i++) {
sources[_i - 1] = arguments[_i];
}
try {
for (var sources_1 = __values(sources), sources_1_1 = sources_1.next(); !sources_1_1.done; sources_1_1 = sources_1.next()) {
var source = sources_1_1.value;
if (source) {
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key) &&
obj[key] === undefined) {
obj[key] = source[key];
}
}
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (sources_1_1 && !sources_1_1.done && (_a = sources_1.return)) _a.call(sources_1);
}
finally { if (e_1) throw e_1.error; }
}
return obj;
}
/**
* Checks if path is a direct property of object
* @param obj The object to query
* @param path The path to check
* @returns Returns true if path exists, else false
*/
export function has(obj, path) {
return obj != null && Object.prototype.hasOwnProperty.call(obj, path);
}
/**
* Checks if value is an empty object, collection, map, or set
* @param value The value to check
* @returns Returns true if value is empty, else false
*/
export function isEmpty(value) {
if (value == null) {
return true;
}
if (Array.isArray(value) || typeof value === 'string') {
return value.length === 0;
}
if (value instanceof Map || value instanceof Set) {
return value.size === 0;
}
if (typeof value === 'object') {
return Object.keys(value).length === 0;
}
return false;
}
/**
* Performs a deep comparison between two values to determine if they are equivalent
* @param value The value to compare
* @param other The other value to compare
* @returns Returns true if the values are equivalent, else false
*/
export function isEqual(value, other) {
var e_2, _a;
if (value === other) {
return true;
}
if (value == null || other == null) {
return value === other;
}
if (typeof value !== typeof other) {
return false;
}
if (typeof value !== 'object') {
return value === other;
}
if (Array.isArray(value) !== Array.isArray(other)) {
return false;
}
if (Array.isArray(value)) {
if (value.length !== other.length) {
return false;
}
for (var i = 0; i < value.length; i++) {
if (!isEqual(value[i], other[i])) {
return false;
}
}
return true;
}
var valueKeys = Object.keys(value);
var otherKeys = Object.keys(other);
if (valueKeys.length !== otherKeys.length) {
return false;
}
try {
for (var valueKeys_1 = __values(valueKeys), valueKeys_1_1 = valueKeys_1.next(); !valueKeys_1_1.done; valueKeys_1_1 = valueKeys_1.next()) {
var key = valueKeys_1_1.value;
if (!Object.prototype.hasOwnProperty.call(other, key) ||
!isEqual(value[key], other[key])) {
return false;
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (valueKeys_1_1 && !valueKeys_1_1.done && (_a = valueKeys_1.return)) _a.call(valueKeys_1);
}
finally { if (e_2) throw e_2.error; }
}
return true;
}
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