49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
const {
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JSDOM
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} = require("jsdom");
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const showdown = require("showdown");
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require("./lib/showdown-prettify");
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require("./lib/showdown-footnotes");
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exports.showdown = function (headerLevel) {
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return new showdown.Converter({
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parseImgDimensions: true,
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headerLevelStart: headerLevel,
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extensions: ["prettify", "footnotes"]
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});
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};
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exports.extractBookData = function (file, post, reduceHeadings) {
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let html = new JSDOM(file);
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let page = html.window.document.getElementById("page");
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// remove header section
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let header = page.getElementsByTagName("header");
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while (header.length > 0)
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header[0].parentNode.removeChild(header[0]);
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if (reduceHeadings) {
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// reduce all headings by 1
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for (let h = 5; h >= 1; h--) {
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let heading = page.getElementsByTagName(`h${h}`);
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while (heading.length > 0)
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this.changeTag(heading[0], `h${h+1}`);
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}
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}
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return /*html*/ `
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${post.prompt ? /*html*/ `<p><i>This story was inspired by a Reedsy Prompt and submitted to their competition. As such, it has also been published on <a href="${post.prompt}">their website</a>.</i></p>` : ""}
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${page.outerHTML}
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`;
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};
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exports.replaceRelativeLinks = function (element, tag) {
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if (element[tag] && element[tag].startsWith("./"))
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element[tag] = `../${element[tag].substring(2)}`;
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};
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exports.changeTag = function (element, newTag) {
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const newElement = element.ownerDocument.createElement(newTag);
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newElement.innerHTML = element.innerHTML;
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for (let a of element.attributes)
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newElement.setAttribute(a.nodeName, a.nodeValue);
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element.parentNode.replaceChild(newElement, element);
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}; |