jokkerr/dist/css.js

Node package and CLI tool for saving web page as single HTML file

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CSS = void 0;
const utils_1 = require("./utils");
class CSS {
    process(node, uri = '') {
        return __awaiter(this, void 0, void 0, function* () {
            if (!node || typeof node !== 'object') {
                return;
            }
            const convert = (u, n) => __awaiter(this, void 0, void 0, function* () {
                const assetURL = utils_1.createAbsoluteURL(u, n);
                const data = yield utils_1.convertToData(assetURL);
                if (data.length > 0) {
                    const html = node.outerHTML.replace(u, data);
                    node.outerHTML = html;
                }
            });
            const inlineStyle = node.getAttribute('style');
            if (inlineStyle && typeof inlineStyle === 'string') {
                const regex = /(?<=url\((?!['"]?(?:data:)))\s*(['"]?)(.*)\1\)/gm;
                const m = regex.exec(inlineStyle);
                if (m !== null && m.length > 1) {
                    yield convert(m[2], uri);
                }
                return;
            }
            let block = node.innerHTML;
            if (!block || typeof block !== 'string') {
                return;
            }
            block = block.replace(/\(['|"]/gm, '(');
            block = block.replace(/['|"]\)/gm, ')');
            const regex = /(?<=url\().*?(?=\))/gm;
            const m = regex.exec(block);
            if (m !== null && m.length > 0) {
                yield convert(m[0], uri);
            }
            return;
        });
    }
}
exports.CSS = CSS;
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