css.js
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.css = void 0;
var utils_js_1 = require("../utils.js");
/**
* Set multiple CSS properties for every matched element.
*
* @category CSS
* @param prop - The names of the properties.
* @param val - The new values.
* @returns The instance itself.
* @see {@link https://api.jquery.com/css/}
*/
function css(prop, val) {
if ((prop != null && val != null) ||
// When `prop` is a "plain" object
(typeof prop === 'object' && !Array.isArray(prop))) {
return (0, utils_js_1.domEach)(this, function (el, i) {
if ((0, utils_js_1.isTag)(el)) {
// `prop` can't be an array here anymore.
setCss(el, prop, val, i);
}
});
}
if (this.length === 0) {
return undefined;
}
return getCss(this[0], prop);
}
exports.css = css;
/**
* Set styles of all elements.
*
* @private
* @param el - Element to set style of.
* @param prop - Name of property.
* @param value - Value to set property to.
* @param idx - Optional index within the selection.
*/
function setCss(el, prop, value, idx) {
if (typeof prop === 'string') {
var styles = getCss(el);
var val = typeof value === 'function' ? value.call(el, idx, styles[prop]) : value;
if (val === '') {
delete styles[prop];
}
else if (val != null) {
styles[prop] = val;
}
el.attribs['style'] = stringify(styles);
}
else if (typeof prop === 'object') {
Object.keys(prop).forEach(function (k, i) {
setCss(el, k, prop[k], i);
});
}
}
function getCss(el, prop) {
if (!el || !(0, utils_js_1.isTag)(el))
return;
var styles = parse(el.attribs['style']);
if (typeof prop === 'string') {
return styles[prop];
}
if (Array.isArray(prop)) {
var newStyles_1 = {};
prop.forEach(function (item) {
if (styles[item] != null) {
newStyles_1[item] = styles[item];
}
});
return newStyles_1;
}
return styles;
}
/**
* Stringify `obj` to styles.
*
* @private
* @category CSS
* @param obj - Object to stringify.
* @returns The serialized styles.
*/
function stringify(obj) {
return Object.keys(obj).reduce(function (str, prop) { return "".concat(str).concat(str ? ' ' : '').concat(prop, ": ").concat(obj[prop], ";"); }, '');
}
/**
* Parse `styles`.
*
* @private
* @category CSS
* @param styles - Styles to be parsed.
* @returns The parsed styles.
*/
function parse(styles) {
styles = (styles || '').trim();
if (!styles)
return {};
var obj = {};
var key;
for (var _i = 0, _a = styles.split(';'); _i < _a.length; _i++) {
var str = _a[_i];
var n = str.indexOf(':');
// If there is no :, or if it is the first/last character, add to the previous item's value
if (n < 1 || n === str.length - 1) {
var trimmed = str.trimEnd();
if (trimmed.length > 0 && key !== undefined) {
obj[key] += ";".concat(trimmed);
}
}
else {
key = str.slice(0, n).trim();
obj[key] = str.slice(n + 1).trim();
}
}
return obj;
}
//# sourceMappingURL=css.js.map