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get-attribute.js

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function getAttribute(tag, attributeName, options) {

const debug = (options && options.debug) || false;

if (debug) console.log("[xml-utils] getting " + attributeName + " in " + tag);

const xml = typeof tag === "object" ? tag.outer : tag;

// only search for attributes in the opening tag

const opening = xml.slice(0, xml.indexOf(">") + 1);

const quotechars = ['"', "'"];

for (let i = 0; i < quotechars.length; i++) {

const char = quotechars[i];

const pattern = attributeName + "\\=" + char + "([^" + char + "]*)" + char;

if (debug) console.log("[xml-utils] pattern:", pattern);

const re = new RegExp(pattern);

const match = re.exec(opening);

if (debug) console.log("[xml-utils] match:", match);

if (match) return match[1];

}

}

module.exports = getAttribute;

module.exports.default = getAttribute;