Added better attribute support to fromXML
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+13
-13
@@ -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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