markdown-to-standalone-html
Version:
Markdown to standalone HTML converter. It generates a standalone HTML with all CSS and images embedded, browsable responsible TOC, math support (KATEX), code syntax highlighting (highlight.js), and rendering of lyrics with chords
61 lines • 2.42 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const fs_1 = __importDefault(require("fs"));
const path_1 = __importDefault(require("path"));
const is_svg_1 = __importDefault(require("is-svg"));
const image_type_1 = __importDefault(require("image-type"));
const sync_request_1 = __importDefault(require("sync-request"));
function urlimgToBase64Plugin(md, basePath = '') {
const defaultRender = md.renderer.rules.image;
md.renderer.rules.image = function (tokens, idx, options, env, self) {
const token = tokens[idx];
const src = token.attrGet('src');
if (src !== null && !src.includes(';base64,')) {
let imgBuf = null;
try {
imgBuf = fs_1.default.readFileSync(path_1.default.resolve(basePath, src));
}
catch (error) {
try {
imgBuf = getImage(src);
}
catch (error) {
console.log('Could not get ' + src);
console.log('Error: ' + error);
}
}
if (imgBuf != null) {
let imgMimeType = '';
if ((0, is_svg_1.default)(imgBuf)) {
imgMimeType = 'image/svg+xml';
}
else {
if ((0, image_type_1.default)(imgBuf) !== null) {
imgMimeType = (0, image_type_1.default)(imgBuf).mime;
}
else {
console.log('Unknown mime type for ' + src);
}
}
if (imgMimeType !== '')
token.attrSet('src', `data:${imgMimeType};base64,${imgBuf.toString('base64')}`);
}
}
return defaultRender(tokens, idx, options, env, self);
};
}
exports.default = urlimgToBase64Plugin;
function getImage(url) {
const response = (0, sync_request_1.default)('GET', url);
if (response.statusCode >= 300) {
throw new Error('Server responded with status code ' +
String(response.statusCode) +
':\n' +
response.body.toString());
}
return response.body;
}
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