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import boolbase from "boolbase";
/**
* All reserved characters in a regex, used for escaping.
*
* Taken from XRegExp, (c) 2007-2020 Steven Levithan under the MIT license
* https://github.com/slevithan/xregexp/blob/95eeebeb8fac8754d54eafe2b4743661ac1cf028/src/xregexp.js#L794
*/
const reChars = /[-[\]{}()*+?.,\\^$|#\s]/g;
function escapeRegex(value) {
return value.replace(reChars, "\\$&");
}
/**
* Attributes that are case-insensitive in HTML.
*
* @private
* @see https://html.spec.whatwg.org/multipage/semantics-other.html#case-sensitivity-of-selectors
*/
const caseInsensitiveAttributes = new Set([
"accept",
"accept-charset",
"align",
"alink",
"axis",
"bgcolor",
"charset",
"checked",
"clear",
"codetype",
"color",
"compact",
"declare",
"defer",
"dir",
"direction",
"disabled",
"enctype",
"face",
"frame",
"hreflang",
"http-equiv",
"lang",
"language",
"link",
"media",
"method",
"multiple",
"nohref",
"noresize",
"noshade",
"nowrap",
"readonly",
"rel",
"rev",
"rules",
"scope",
"scrolling",
"selected",
"shape",
"target",
"text",
"type",
"valign",
"valuetype",
"vlink",
]);
function shouldIgnoreCase(selector, options) {
return typeof selector.ignoreCase === "boolean"
? selector.ignoreCase
: selector.ignoreCase === "quirks"
? !!options.quirksMode
: !options.xmlMode && caseInsensitiveAttributes.has(selector.name);
}
/**
* Attribute selectors
*/
export const attributeRules = {
equals(next, data, options) {
const { adapter } = options;
const { name } = data;
let { value } = data;
if (shouldIgnoreCase(data, options)) {
value = value.toLowerCase();
return (elem) => {
const attr = adapter.getAttributeValue(elem, name);
return (attr != null &&
attr.length === value.length &&
attr.toLowerCase() === value &&
next(elem));
};
}
return (elem) => adapter.getAttributeValue(elem, name) === value && next(elem);
},
hyphen(next, data, options) {
const { adapter } = options;
const { name } = data;
let { value } = data;
const len = value.length;
if (shouldIgnoreCase(data, options)) {
value = value.toLowerCase();
return function hyphenIC(elem) {
const attr = adapter.getAttributeValue(elem, name);
return (attr != null &&
(attr.length === len || attr.charAt(len) === "-") &&
attr.substr(0, len).toLowerCase() === value &&
next(elem));
};
}
return function hyphen(elem) {
const attr = adapter.getAttributeValue(elem, name);
return (attr != null &&
(attr.length === len || attr.charAt(len) === "-") &&
attr.substr(0, len) === value &&
next(elem));
};
},
element(next, data, options) {
const { adapter } = options;
const { name, value } = data;
if (/\s/.test(value)) {
return boolbase.falseFunc;
}
const regex = new RegExp(`(?:^|\\s)${escapeRegex(value)}(?:$|\\s)`, shouldIgnoreCase(data, options) ? "i" : "");
return function element(elem) {
const attr = adapter.getAttributeValue(elem, name);
return (attr != null &&
attr.length >= value.length &&
regex.test(attr) &&
next(elem));
};
},
exists(next, { name }, { adapter }) {
return (elem) => adapter.hasAttrib(elem, name) && next(elem);
},
start(next, data, options) {
const { adapter } = options;
const { name } = data;
let { value } = data;
const len = value.length;
if (len === 0) {
return boolbase.falseFunc;
}
if (shouldIgnoreCase(data, options)) {
value = value.toLowerCase();
return (elem) => {
const attr = adapter.getAttributeValue(elem, name);
return (attr != null &&
attr.length >= len &&
attr.substr(0, len).toLowerCase() === value &&
next(elem));
};
}
return (elem) => {
var _a;
return !!((_a = adapter.getAttributeValue(elem, name)) === null || _a === void 0 ? void 0 : _a.startsWith(value)) &&
next(elem);
};
},
end(next, data, options) {
const { adapter } = options;
const { name } = data;
let { value } = data;
const len = -value.length;
if (len === 0) {
return boolbase.falseFunc;
}
if (shouldIgnoreCase(data, options)) {
value = value.toLowerCase();
return (elem) => {
var _a;
return ((_a = adapter
.getAttributeValue(elem, name)) === null || _a === void 0 ? void 0 : _a.substr(len).toLowerCase()) === value && next(elem);
};
}
return (elem) => {
var _a;
return !!((_a = adapter.getAttributeValue(elem, name)) === null || _a === void 0 ? void 0 : _a.endsWith(value)) &&
next(elem);
};
},
any(next, data, options) {
const { adapter } = options;
const { name, value } = data;
if (value === "") {
return boolbase.falseFunc;
}
if (shouldIgnoreCase(data, options)) {
const regex = new RegExp(escapeRegex(value), "i");
return function anyIC(elem) {
const attr = adapter.getAttributeValue(elem, name);
return (attr != null &&
attr.length >= value.length &&
regex.test(attr) &&
next(elem));
};
}
return (elem) => {
var _a;
return !!((_a = adapter.getAttributeValue(elem, name)) === null || _a === void 0 ? void 0 : _a.includes(value)) &&
next(elem);
};
},
not(next, data, options) {
const { adapter } = options;
const { name } = data;
let { value } = data;
if (value === "") {
return (elem) => !!adapter.getAttributeValue(elem, name) && next(elem);
}
else if (shouldIgnoreCase(data, options)) {
value = value.toLowerCase();
return (elem) => {
const attr = adapter.getAttributeValue(elem, name);
return ((attr == null ||
attr.length !== value.length ||
attr.toLowerCase() !== value) &&
next(elem));
};
}
return (elem) => adapter.getAttributeValue(elem, name) !== value && next(elem);
},
};
//# sourceMappingURL=attributes.js.map