const Resource = require('lib/models/Resource.js'); const htmlUtils = require('lib/htmlUtils.js'); const utils = require('../../utils'); function renderImageHtml(before, src, after, ruleOptions) { const r = utils.imageReplacement(src, ruleOptions.resources, ruleOptions.resourceBaseUrl); if (typeof r === 'string') return r; if (r) return ''; return '[Image: ' + src + ']'; } function installRule(markdownIt, mdOptions, ruleOptions) { const htmlBlockDefaultRender = markdownIt.renderer.rules.html_block || function(tokens, idx, options, env, self) { return self.renderToken(tokens, idx, options); }; const htmlInlineDefaultRender = markdownIt.renderer.rules.html_inline || function(tokens, idx, options, env, self) { return self.renderToken(tokens, idx, options); }; const imageRegex = //gi; const handleImageTags = function(defaultRender) { return function(tokens, idx, options, env, self) { const token = tokens[idx]; const content = token.content; if (!content.match(imageRegex)) return defaultRender(tokens, idx, options, env, self); return content.replace(imageRegex, (v, before, src, after) => { if (!Resource.isResourceUrl(src)) return defaultRender(tokens, idx, options, env, self); return renderImageHtml(before, src, after, ruleOptions); }); }; }; // It seems images sometimes are inline, sometimes a block // to make sure they both render correctly. markdownIt.renderer.rules.html_block = handleImageTags(htmlBlockDefaultRender); markdownIt.renderer.rules.html_inline = handleImageTags(htmlInlineDefaultRender); } module.exports = function(context, ruleOptions) { return function(md, mdOptions) { installRule(md, mdOptions, ruleOptions); }; };