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Drop support for old browsers and some jQuery

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This commit is contained in:
djmaze 2020-09-17 16:40:43 +02:00
parent 091c4ec811
commit d06fed09d6
38 changed files with 6137 additions and 872 deletions
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56
vendors/knockout/src/utils.domManipulation.js vendored
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@ -13,10 +13,7 @@
'th': tr,
'option': select,
'optgroup': select
},
// This is needed for old IE if you're *not* using either jQuery or innerShiv. Doesn't affect other cases.
mayRequireCreateElementHack = ko.utils.ieVersion <= 8;
};
function getWrap(tags) {
var m = tags.match(/^(?:<!--.*?-->\s*?)*?<([a-z]+)[\s>]/);
@ -49,17 +46,7 @@
// somehow shims the native APIs so it just works anyway)
div.appendChild(windowContext['innerShiv'](markup));
} else {
if (mayRequireCreateElementHack) {
// The document.createElement('my-element') trick to enable custom elements in IE6-8
// only works if we assign innerHTML on an element associated with that document.
documentContext.body.appendChild(div);
}
div.innerHTML = markup;
if (mayRequireCreateElementHack) {
div.parentNode.removeChild(div);
}
}
// Move to the right depth
@ -69,35 +56,8 @@
return ko.utils.makeArray(div.lastChild.childNodes);
}
function jQueryHtmlParse(html, documentContext) {
// jQuery's "parseHTML" function was introduced in jQuery 1.8.0 and is a documented public API.
if (jQueryInstance['parseHTML']) {
return jQueryInstance['parseHTML'](html, documentContext) || []; // Ensure we always return an array and never null
} else {
// For jQuery < 1.8.0, we fall back on the undocumented internal "clean" function.
var elems = jQueryInstance['clean']([html], documentContext);
// As of jQuery 1.7.1, jQuery parses the HTML by appending it to some dummy parent nodes held in an in-memory document fragment.
// Unfortunately, it never clears the dummy parent nodes from the document fragment, so it leaks memory over time.
// Fix this by finding the top-most dummy parent element, and detaching it from its owner fragment.
if (elems && elems[0]) {
// Find the top-most parent element that's a direct child of a document fragment
var elem = elems[0];
while (elem.parentNode && elem.parentNode.nodeType !== 11 /* i.e., DocumentFragment */)
elem = elem.parentNode;
// ... then detach it
if (elem.parentNode)
elem.parentNode.removeChild(elem);
}
return elems;
}
}
ko.utils.parseHtmlFragment = function(html, documentContext) {
return jQueryInstance ?
jQueryHtmlParse(html, documentContext) : // As below, benefit from jQuery's optimisations where possible
simpleHtmlParse(html, documentContext); // ... otherwise, this simple logic will do in most common cases.
return simpleHtmlParse(html, documentContext); // ... otherwise, this simple logic will do in most common cases.
};
ko.utils.parseHtmlForTemplateNodes = function(html, documentContext) {
@ -118,14 +78,10 @@
// jQuery contains a lot of sophisticated code to parse arbitrary HTML fragments,
// for example <tr> elements which are not normally allowed to exist on their own.
// If you've referenced jQuery we'll use that rather than duplicating its code.
if (jQueryInstance) {
jQueryInstance(node)['html'](html);
} else {
// ... otherwise, use KO's own parsing logic.
var parsedNodes = ko.utils.parseHtmlFragment(html, node.ownerDocument);
for (var i = 0; i < parsedNodes.length; i++)
node.appendChild(parsedNodes[i]);
}
// ... otherwise, use KO's own parsing logic.
var parsedNodes = ko.utils.parseHtmlFragment(html, node.ownerDocument);
for (var i = 0; i < parsedNodes.length; i++)
node.appendChild(parsedNodes[i]);
}
};
})();