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-rw-r--r--ext/js/dom/native-simple-dom-parser.js74
1 files changed, 64 insertions, 10 deletions
diff --git a/ext/js/dom/native-simple-dom-parser.js b/ext/js/dom/native-simple-dom-parser.js
index 882469a0..418a4e3c 100644
--- a/ext/js/dom/native-simple-dom-parser.js
+++ b/ext/js/dom/native-simple-dom-parser.js
@@ -17,35 +17,89 @@
*/
export class NativeSimpleDOMParser {
+ /**
+ * @param {string} content
+ */
constructor(content) {
+ /** @type {Document} */
this._document = new DOMParser().parseFromString(content, 'text/html');
}
- getElementById(id, root=null) {
- return (root || this._document).querySelector(`[id='${id}']`);
+ /**
+ * @param {string} id
+ * @param {import('simple-dom-parser').Element} [root]
+ * @returns {?import('simple-dom-parser').Element}
+ */
+ getElementById(id, root) {
+ return this._convertElementOrDocument(root).querySelector(`[id='${id}']`);
}
- getElementByTagName(tagName, root=null) {
- return (root || this._document).querySelector(tagName);
+ /**
+ * @param {string} tagName
+ * @param {import('simple-dom-parser').Element} [root]
+ * @returns {?import('simple-dom-parser').Element}
+ */
+ getElementByTagName(tagName, root) {
+ return this._convertElementOrDocument(root).querySelector(tagName);
}
- getElementsByTagName(tagName, root=null) {
- return [...(root || this._document).querySelectorAll(tagName)];
+ /**
+ * @param {string} tagName
+ * @param {import('simple-dom-parser').Element} [root]
+ * @returns {import('simple-dom-parser').Element[]}
+ */
+ getElementsByTagName(tagName, root) {
+ return [...this._convertElementOrDocument(root).querySelectorAll(tagName)];
}
- getElementsByClassName(className, root=null) {
- return [...(root || this._document).querySelectorAll(`.${className}`)];
+ /**
+ * @param {string} className
+ * @param {import('simple-dom-parser').Element} [root]
+ * @returns {import('simple-dom-parser').Element[]}
+ */
+ getElementsByClassName(className, root) {
+ return [...this._convertElementOrDocument(root).querySelectorAll(`.${className}`)];
}
+ /**
+ * @param {import('simple-dom-parser').Element} element
+ * @param {string} attribute
+ * @returns {?string}
+ */
getAttribute(element, attribute) {
- return element.hasAttribute(attribute) ? element.getAttribute(attribute) : null;
+ const element2 = this._convertElement(element);
+ return element2.hasAttribute(attribute) ? element2.getAttribute(attribute) : null;
}
+ /**
+ * @param {import('simple-dom-parser').Element} element
+ * @returns {string}
+ */
getTextContent(element) {
- return element.textContent;
+ const {textContent} = this._convertElement(element);
+ return typeof textContent === 'string' ? textContent : '';
}
+ /**
+ * @returns {boolean}
+ */
static isSupported() {
return typeof DOMParser !== 'undefined';
}
+
+ /**
+ * @param {import('simple-dom-parser').Element} element
+ * @returns {Element}
+ */
+ _convertElement(element) {
+ return /** @type {Element} */ (element);
+ }
+
+ /**
+ * @param {import('simple-dom-parser').Element|undefined} element
+ * @returns {Element|Document}
+ */
+ _convertElementOrDocument(element) {
+ return typeof element !== 'undefined' ? /** @type {Element} */ (element) : this._document;
+ }
}