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5 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| 4c60f52b5e | |||
| 35c14d01c2 | |||
| 92f36fdb5b | |||
| 721fe2dcf8 | |||
| 4dfd70f6a7 |
@@ -1,6 +1,6 @@
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{
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"name": "@ztimson/utils",
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"version": "0.30.5",
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"version": "0.30.8",
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"description": "Utility library",
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"author": "Zak Timson",
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"license": "MIT",
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10
src/ip.ts
10
src/ip.ts
@@ -45,18 +45,18 @@ export function reservedIp(ip: string): boolean {
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/**
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* Check if IP is within a reserved range
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* @param {string} ip
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* @returns {string | null}
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* @returns {null | 'Invalid' | 'Host' | 'Loopback' | 'Private (Class A)' | 'Private (Class B)' | 'Link-Local' | 'IETF Protocol Assignments' | 'Documentation (TEST-NET-1)' | 'Benchmarking' | 'Documentation (TEST-NET-2)' | 'Documentation (TEST-NET-3)' | 'Multicast' | 'Reserved (Class E)'} null if public, class name if reserved
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*/
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export function isReserved(ip: string) {
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export function isReserved(ip: string): null | 'Invalid' | 'Host' | 'Loopback' | 'Private (Class A)' | 'Private (Class B)' | 'Link-Local' | 'IETF Protocol Assignments' | 'Documentation (TEST-NET-1)' | 'Benchmarking' | 'Documentation (TEST-NET-2)' | 'Documentation (TEST-NET-3)' | 'Multicast' | 'Reserved (Class E)' {
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const ipToNumber = (ip: string) => {
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return ip.split('.').reduce((acc: number, octet: string) => (acc << 8) + parseInt(octet, 10), 0) >>> 0;
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};
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const ipNum = ipToNumber(ip);
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if (ipNum === null) return 'invalid';
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if (ipNum === null) return 'Invalid';
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const reserved = [
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{ name: "This host", start: ipToNumber("0.0.0.0"), end: ipToNumber("0.255.255.255") },
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{ name: "Host", start: ipToNumber("0.0.0.0"), end: ipToNumber("0.255.255.255") },
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{ name: "Loopback", start: ipToNumber("127.0.0.0"), end: ipToNumber("127.255.255.255") },
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{ name: "Private (Class A)", start: ipToNumber("10.0.0.0"), end: ipToNumber("10.255.255.255") },
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{ name: "CGNAT", start: ipToNumber("100.64.0.0"), end: ipToNumber("100.127.255.255") },
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@@ -73,5 +73,5 @@ export function isReserved(ip: string) {
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];
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const match = reserved.find(r => ipNum >= r.start && ipNum <= r.end);
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return match ? match.name : null;
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return match ? <any>match.name : null;
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}
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@@ -97,8 +97,10 @@ export function deepCopy<T>(value: T): T {
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* @return {any} The des
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*/
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export function deepMerge<T>(target: any, ...sources: any[]): T {
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const BLOCKED = new Set(['__proto__', 'constructor', 'prototype']);
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sources.forEach(s => {
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for(const key in s) {
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if(BLOCKED.has(key) || !Object.prototype.hasOwnProperty.call(s, key)) continue;
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if(s[key] && typeof s[key] == 'object' && !Array.isArray(s[key])) {
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if(!target[key]) target[key] = {};
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deepMerge(target[key], s[key]);
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26
src/xml.ts
26
src/xml.ts
@@ -1,12 +1,12 @@
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/**
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* Parses an XML string into a structured JavaScript object.
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* Parses an XML string into a plain JavaScript object.
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* Each tag becomes a key. Attributes and child tags are merged as
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* sibling properties on that tag's object. Duplicate tag/attribute
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* names are collapsed into arrays. Text-only tags resolve to their
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* (optionally numeric) value; if a tag has both text and attributes/
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* children, the text is kept under a `_text` key.
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* @param {string} xml - The XML string to parse
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* @returns {Object} An object with `tag`, `attributes`, and `children` properties
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*/
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/**
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* Parses an XML string into a structured JavaScript object (fast-xml-parser format).
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* @param {string} xml - The XML string to parse
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* @returns {Object} An object with tag names as keys and text content or nested objects as values
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* @returns {Object} The parsed object tree
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*/
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export function fromXml(xml: string) {
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xml = xml.trim();
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@@ -33,11 +33,11 @@ export function fromXml(xml: string) {
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if(xml[pos] === '/' && xml[pos + 1] === '>') {
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pos += 2; // skip />
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return { [tagName]: '' };
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return { [tagName]: Object.keys(attributes).length ? attributes : '' };
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}
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pos++; // skip >
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const children: any[] = [];
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const children: any[] = Object.entries(attributes).map(([k, v]) => ({ [k]: v }));
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let textContent = '';
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while(pos < xml.length) {
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@@ -49,7 +49,6 @@ export function fromXml(xml: string) {
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pos++; // skip >
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break;
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}
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const startPos = pos;
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const child = parseNode();
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if(typeof child === 'string') {
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textContent += child;
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@@ -64,17 +63,18 @@ export function fromXml(xml: string) {
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return { [tagName]: value };
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}
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// If only text with no children
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// If nothing at all
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if(children.length === 0) {
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return { [tagName]: '' };
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}
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// Merge children into object
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// Merge attributes/children into object
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const result: any = {};
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if(textContent) result._text = isNumeric(textContent) ? Number(textContent) : textContent;
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for(const child of children) {
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for(const [key, value] of Object.entries(child)) {
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if(result[key]) {
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// Convert to array if duplicate tags
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// Convert to array if duplicate tags/attrs
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if(!Array.isArray(result[key])) {
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result[key] = [result[key]];
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}
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@@ -14,10 +14,10 @@ describe('XML Parser', () => {
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expect(result).toEqual({ item: '' });
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});
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it('should parse tag with attributes (ignored in fast-xml-parser format)', () => {
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it('should parse tag with attributes as merged properties', () => {
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const xml = '<user id="1" name="someone" />';
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const result = fromXml(xml);
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expect(result).toEqual({ user: '' });
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expect(result).toEqual({ user: { id: '1', name: 'someone' } });
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});
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it('should parse tag with text content', () => {
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@@ -94,6 +94,8 @@ describe('XML Parser', () => {
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expect(result).toEqual({
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root: {
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user: {
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id: '1',
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name: 'someone',
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email: 'someone@example.com',
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active: ''
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}
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@@ -190,7 +192,7 @@ describe('XML Parser', () => {
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});
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describe('round-trip', () => {
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it('should parse toXml output back to fast-xml-parser format', () => {
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it('should parse toXml output back with attributes merged as properties', () => {
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const obj = {
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tag: 'root',
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attributes: { id: '1' },
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@@ -202,6 +204,7 @@ describe('XML Parser', () => {
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const parsed = fromXml(xml);
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expect(parsed).toEqual({
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root: {
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id: '1',
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child: 'text'
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}
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});
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