Config files
- added support for `mdconf.json`config file - added markdown-it plugins - added mathjax evaluation script - deactivated math stylingdevelop
Trivernis
5 years ago
parent
62d75c3a27
commit
21fd8356c3
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import * as fsx from 'fs-extra';
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import * as path from 'path';
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import {getMarkdownPlugin} from "./utils";
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const confName = 'mdconfig.json';
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/**
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* Markdown config class for easyer access on the configuration.
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*/
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export class MarkdownConfig {
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public plugins: Set<any> = new Set<any>();
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public stylesheets: Set<string> = new Set<string>();
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public format: string = 'A4';
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public bundle: boolean = false;
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private readonly filename: string;
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/**
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* Creates a new config with the given directory or the processes work directory.
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* @param dirname
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*/
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constructor(dirname?: string) {
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dirname = dirname || process.cwd();
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let confFile: string = path.join(dirname, confName);
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if (fsx.pathExistsSync(confFile)) {
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this.filename = confFile;
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this.loadData();
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}
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}
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/**
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* Loads the data from a config file.
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*/
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private loadData() {
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let configData = fsx.readJsonSync(this.filename);
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this.format = configData.format || this.format;
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this.bundle = configData.bundle;
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if (configData.plugins)
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this.plugins = new Set<string>(configData.plugins.map(getMarkdownPlugin));
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if (configData.stylesheets)
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this.stylesheets = new Set<string>(configData.stylesheets);
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}
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/**
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* Saves the config file to a config file.
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* @param filename
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*/
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public save(filename?: string) {
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let confFile = filename || this.filename;
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fsx.writeJsonSync(confFile, this);
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}
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}
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@ -0,0 +1,15 @@
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import * as winston from "winston";
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export const logger = winston.createLogger({
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level: 'info',
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format: winston.format.json(),
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transports: [
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new winston.transports.Console({
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format: winston.format.combine(
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winston.format.colorize(),
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winston.format.simple()
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),
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level: process.env.NODE_ENV === 'production'? 'info' : 'silly'
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})
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]
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});
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@ -0,0 +1,83 @@
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import {JSDOM} from "jsdom";
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import * as path from "path";
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import * as fsx from "fs-extra";
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import fetch from "node-fetch";
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import {logger} from "./logger";
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import {markdownPlugins} from "./plugins";
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const mathJaxUrl = 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML';
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/**
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* Bundles all images in the image tags.
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* @param dom
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* @param mainfile
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*/
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export async function bundleImages(dom: JSDOM, mainfile: string): Promise<JSDOM> {
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let document = dom.window.document;
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let mainFolder = path.dirname(mainfile);
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let imgs = document.querySelectorAll('img');
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logger.debug(`Bundling ${imgs.length} images.`);
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for (let img of imgs) {
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let source = img.src;
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let filepath = source;
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let base64Url = source;
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if (!path.isAbsolute(filepath))
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filepath = path.join(mainFolder, filepath);
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if (await fsx.pathExists(filepath)) {
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let type = path.extname(source).slice(1);
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base64Url = `data:image/${type};base64,`;
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base64Url += (await fsx.readFile(filepath)).toString('base64');
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} else {
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try {
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let response = await fetch(source);
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base64Url = `data:${response.headers.get('content-type')};base64,`;
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base64Url += (await response.buffer()).toString('base64');
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} catch (error) {
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logger.error(error);
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}
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}
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img.src = base64Url;
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}
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return dom;
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}
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/**
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* Includes mathjax in the dom.
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* @param dom
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*/
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export function includeMathJax(dom: JSDOM): JSDOM {
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let document = dom.window.document;
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let scriptTag = document.createElement('script');
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scriptTag.src = mathJaxUrl;
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document.head.appendChild(scriptTag);
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return dom;
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}
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/**
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* Returns the markdown plugin associated with the pluginName
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* @param pluginName
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*/
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export function getMarkdownPlugin(pluginName: string) {
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logger.debug(`Trying to resolve plugin ${pluginName}`);
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if (markdownPlugins[pluginName]) {
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return require(markdownPlugins[pluginName]);
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} else {
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try {
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let plugin = require(pluginName);
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if (plugin)
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return plugin;
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} catch (err) {
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console.error(`Module ${pluginName} not found.`);
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}
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}
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}
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/**
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* Asynchronous elay function
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* @param milliseconds
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*/
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export function delay(milliseconds: number) {
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return new Promise(function(resolve) {
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setTimeout(resolve, milliseconds)
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});
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}
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