import { getGlobalObject } from './global';
import { isString } from './is';
/**
* Given a child DOM element, returns a query-selector statement describing that
* and its ancestors
* e.g. [HTMLElement] => body > div > input#foo.btn[name=baz]
* @returns generated DOM path
*/
export function htmlTreeAsString(elem, keyAttrs) {
// try/catch both:
// - accessing event.target (see getsentry/raven-js#838, #768)
// - `htmlTreeAsString` because it's complex, and just accessing the DOM incorrectly
// - can throw an exception in some circumstances.
try {
var currentElem = elem;
var MAX_TRAVERSE_HEIGHT = 5;
var MAX_OUTPUT_LEN = 80;
var out = [];
var height = 0;
var len = 0;
var separator = ' > ';
var sepLength = separator.length;
var nextStr = void 0;
// eslint-disable-next-line no-plusplus
while (currentElem && height++ < MAX_TRAVERSE_HEIGHT) {
nextStr = _htmlElementAsString(currentElem, keyAttrs);
// bail out if
// - nextStr is the 'html' element
// - the length of the string that would be created exceeds MAX_OUTPUT_LEN
// (ignore this limit if we are on the first iteration)
if (nextStr === 'html' || (height > 1 && len + out.length * sepLength + nextStr.length >= MAX_OUTPUT_LEN)) {
break;
}
out.push(nextStr);
len += nextStr.length;
currentElem = currentElem.parentNode;
}
return out.reverse().join(separator);
}
catch (_oO) {
return '<unknown>';
}
}
/**
* Returns a simple, query-selector representation of a DOM element
* e.g. [HTMLElement] => input#foo.btn[name=baz]
* @returns generated DOM path
*/
function _htmlElementAsString(el, keyAttrs) {
var elem = el;
var out = [];
var className;
var classes;
var key;
var attr;
var i;
if (!elem || !elem.tagName) {
return '';
}
out.push(elem.tagName.toLowerCase());
// Pairs of attribute keys defined in `serializeAttribute` and their values on element.
var keyAttrPairs = keyAttrs && keyAttrs.length
? keyAttrs.filter(function (keyAttr) { return elem.getAttribute(keyAttr); }).map(function (keyAttr) { return [keyAttr, elem.getAttribute(keyAttr)]; })
: null;
if (keyAttrPairs && keyAttrPairs.length) {
keyAttrPairs.forEach(function (keyAttrPair) {
out.push("[" + keyAttrPair[0] + "=\"" + keyAttrPair[1] + "\"]");
});
}
else {
if (elem.id) {
out.push("#" + elem.id);
}
// eslint-disable-next-line prefer-const
className = elem.className;
if (className && isString(className)) {
classes = className.split(/\s+/);
for (i = 0; i < classes.length; i++) {
out.push("." + classes[i]);
}
}
}
var allowedAttrs = ['type', 'name', 'title', 'alt'];
for (i = 0; i < allowedAttrs.length; i++) {
key = allowedAttrs[i];
attr = elem.getAttribute(key);
if (attr) {
out.push("[" + key + "=\"" + attr + "\"]");
}
}
return out.join('');
}
/**
* A safe form of location.href
*/
export function getLocationHref() {
var global = getGlobalObject();
try {
return global.document.location.href;
}
catch (oO) {
return '';
}
}
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