mirror of
https://github.com/laurent22/joplin.git
synced 2024-12-21 09:38:01 +02:00
72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
const Entities = require('html-entities').AllHtmlEntities;
|
|
const htmlentities = new Entities().encode;
|
|
const Resource = require('lib/models/Resource.js');
|
|
const utils = require('../../utils');
|
|
const StringUtils = require('lib/string-utils.js');
|
|
const md5 = require('md5');
|
|
|
|
function createHighlightedTokens(Token, splitted) {
|
|
let token;
|
|
const output = [];
|
|
|
|
for (let i = 0; i < splitted.length; i++) {
|
|
const text = splitted[i];
|
|
if (!text) continue;
|
|
|
|
if (i % 2 === 0) {
|
|
token = new Token('text', '', 0);
|
|
token.content = text;
|
|
output.push(token);
|
|
} else {
|
|
token = new Token('highlighted_keyword_open', 'span', 1);
|
|
token.attrs = [['class', 'highlighted-keyword']];
|
|
output.push(token);
|
|
|
|
token = new Token('text', '', 0);
|
|
token.content = text;
|
|
output.push(token);
|
|
|
|
token = new Token('highlighted_keyword_close', 'span', -1);
|
|
output.push(token);
|
|
}
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
function installRule(markdownIt, mdOptions, ruleOptions) {
|
|
const divider = md5(Date.now().toString() + Math.random().toString());
|
|
|
|
markdownIt.core.ruler.push('highlight_keywords', state => {
|
|
const keywords = ruleOptions.highlightedKeywords;
|
|
if (!keywords || !keywords.length) return;
|
|
|
|
const tokens = state.tokens;
|
|
const Token = state.Token;
|
|
|
|
for (let i = 0; i < tokens.length; i++) {
|
|
const token = tokens[i];
|
|
|
|
if (token.type !== 'inline') continue;
|
|
|
|
for (let j = 0; j < token.children.length; j++) {
|
|
const child = token.children[j];
|
|
if (child.type !== 'text') continue;
|
|
|
|
const splitted = StringUtils.surroundKeywords(keywords, child.content, divider, divider).split(divider);
|
|
const splittedTokens = createHighlightedTokens(Token, splitted);
|
|
if (splittedTokens.length <= 1) continue;
|
|
|
|
token.children = markdownIt.utils.arrayReplaceAt(token.children, j, splittedTokens);
|
|
j += splittedTokens.length - 1;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
module.exports = function(context, ruleOptions) {
|
|
return function(md, mdOptions) {
|
|
installRule(md, mdOptions, ruleOptions);
|
|
};
|
|
};
|