commit

node_modules/cheerio/lib/api/css.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.css = void 0;
+var utils_1 = require("../utils");
+function css(prop, val) {
+    if ((prop != null && val != null) ||
+        // When `prop` is a "plain" object
+        (typeof prop === 'object' && !Array.isArray(prop))) {
+        return utils_1.domEach(this, function (el, i) {
+            if (utils_1.isTag(el)) {
+                // `prop` can't be an array here anymore.
+                setCss(el, prop, val, i);
+            }
+        });
+    }
+    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 || !utils_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 "" + str + (str ? ' ' : '') + prop + ": " + 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 {};
+    return styles.split(';').reduce(function (obj, str) {
+        var n = str.indexOf(':');
+        // Skip if there is no :, or if it is the first/last character
+        if (n < 1 || n === str.length - 1)
+            return obj;
+        obj[str.slice(0, n).trim()] = str.slice(n + 1).trim();
+        return obj;
+    }, {});
+}