defuddle/dist/utils.js

Extract article content and metadata from web pages.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isElement = isElement;
exports.getComputedStyle = getComputedStyle;
exports.getWindow = getWindow;
exports.logDebug = logDebug;
const constants_1 = require("./constants");
// Type guard
function isElement(node) {
    return node.nodeType === constants_1.NODE_TYPE.ELEMENT_NODE;
}
function getComputedStyle(element) {
    const win = getWindow(element.ownerDocument);
    if (!win)
        return null;
    return win.getComputedStyle(element);
}
function getWindow(doc) {
    // First try defaultView
    if (doc.defaultView) {
        return doc.defaultView;
    }
    // Then try ownerWindow
    if (doc.ownerWindow) {
        return doc.ownerWindow;
    }
    // Finally try to get window from document
    if (doc.window) {
        return doc.window;
    }
    return null;
}
function logDebug(message, ...args) {
    if (typeof window !== 'undefined' && window.defuddleDebug) {
        console.log('Defuddle:', message, ...args);
    }
}
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