mostly-dom
Version:
A virtual-dom for TypeScript
33 lines • 1.33 kB
JavaScript
;
// ~ and * : value contains
// | and ^ : value starts with
// $ : value ends with
Object.defineProperty(exports, "__esModule", { value: true });
var attrModifiers = ['~', '*', '|', '^', '$'];
function matchAttribute(cssSelector, attrs) {
// tslint:disable-next-line:prefer-const
var _a = cssSelector.split('='), attribute = _a[0], value = _a[1];
var attributeLength = attribute.length - 1;
var modifier = attribute[attributeLength];
var modifierIndex = attrModifiers.indexOf(modifier);
if (modifierIndex > -1) {
attribute = attribute.slice(0, attributeLength);
var attrModifier = attrModifiers[modifierIndex];
var attrValue = String(attrs[attribute]);
if (!attrValue)
return false;
switch (attrModifier) {
case '~': return attrValue.indexOf(value) > -1;
case '*': return attrValue.indexOf(value) > -1;
case '|': return attrValue.indexOf(value) === 0;
case '^': return attrValue.indexOf(value) === 0;
case '$': return attrValue.slice(-value.length) === value;
default: return false;
}
}
if (value)
return value === attrs[attribute];
return !!attrs[attribute];
}
exports.matchAttribute = matchAttribute;
//# sourceMappingURL=matchAttribute.js.map