51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
// ad-hoc parser for translation strings
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import React from 'react';
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const BOLD_REGEXP = /(\*\*)(.*?)\1/;
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const LINK_REGEXP = /\[([^\[]+)\]\(([^\)]+)\)/;
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function decodeHTMLEntities(text) {
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var entities = [['amp', '&'], ['lt', '<'], ['gt', '>']];
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for (var i = 0, max = entities.length; i < max; ++i)
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text = text.replace(new RegExp('&' + entities[i][0] + ';', 'g'), entities[i][1]);
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return text;
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}
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function linkify(mdString: string) {
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const parts = mdString.split(LINK_REGEXP);
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if (parts.length === 1) {
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return decodeHTMLEntities(parts[0]);
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}
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const result = [];
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let key = 0;
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let i = 0;
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while (i + 1 < parts.length) {
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result.push(decodeHTMLEntities(parts[i]));
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result.push(<a key={'linkify-' + key} href={parts[i + 2]} target="_blank">{parts[i + 1]}</a>);
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key++;
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i += 3;
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}
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result.push(decodeHTMLEntities(parts[parts.length - 1]));
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return result.filter(Boolean);
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}
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export function markupToReact(mdString: string) {
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const parts = mdString.split(BOLD_REGEXP);
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if (parts.length === 1) {
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return linkify(parts[0]);
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}
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let result = [];
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let key = 0;
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let i = 0;
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while (i + 1 < parts.length) {
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result = result.concat(linkify(parts[i]));
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result.push(<b key={'boldify-' + key}>{parts[i + 2]}</b>);
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key++;
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i += 3;
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}
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result = result.concat(linkify(parts.pop()));
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return result.filter(Boolean);
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}
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