59 lines
2.2 KiB
TypeScript
59 lines
2.2 KiB
TypeScript
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import { describe, expect, it } from 'vitest'
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import { escapeHtml, mdToHtml } from '../../src/lib/md'
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// The md micro-renderer is the ONLY place dataset prose becomes HTML
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// (set:html in Timeline/Observatory/Directory/Checklist). It must escape
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// first and only ever emit <strong>, <br /> and Ext-policy anchors.
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describe('escapeHtml', () => {
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it('escapes all five HTML special characters', () => {
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expect(escapeHtml(`<a href="x" title='y'> & </a>`)).toBe(
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'<a href="x" title='y'> & </a>',
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)
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})
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})
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describe('mdToHtml', () => {
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it('escapes HTML before rendering anything (no injection from overlays)', () => {
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expect(mdToHtml('<script>alert("x")</script>')).toBe(
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'<script>alert("x")</script>',
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)
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expect(mdToHtml('<img src=x onerror=alert(1)>')).toBe('<img src=x onerror=alert(1)>')
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})
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it('renders **bold** as <strong>', () => {
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expect(mdToHtml('a **very bold** claim')).toBe('a <strong>very bold</strong> claim')
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})
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it('renders [text](https://url) with the Ext.astro rel policy', () => {
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expect(mdToHtml('see [the ruling](https://example.org/a?b=c&d=e)')).toBe(
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'see <a href="https://example.org/a?b=c&d=e" target="_blank" rel="noopener noreferrer">the ruling</a>',
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)
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})
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it('never links non-https URLs (they stay literal, escaped text)', () => {
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expect(mdToHtml('[x](http://insecure.example)')).toBe('[x](http://insecure.example)')
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expect(mdToHtml('[x](javascript:alert(1))')).toBe('[x](javascript:alert(1))')
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})
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it('escapes markup inside link labels', () => {
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expect(mdToHtml('[<b>hi</b>](https://example.org)')).toBe(
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'<a href="https://example.org" target="_blank" rel="noopener noreferrer"><b>hi</b></a>',
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)
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})
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it('renders bold inside a link label', () => {
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expect(mdToHtml('[**Blaze**, 1994](https://example.org)')).toBe(
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'<a href="https://example.org" target="_blank" rel="noopener noreferrer"><strong>Blaze</strong>, 1994</a>',
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)
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})
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it('converts line breaks to <br />', () => {
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expect(mdToHtml('one\ntwo')).toBe('one<br />two')
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})
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it('renders NOTHING else from markdown', () => {
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expect(mdToHtml('# heading * item _em_ `code`')).toBe('# heading * item _em_ `code`')
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})
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})
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