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test.js
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test.js
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import {URL} from 'node:url';
import test from 'ava';
import jsdom from 'jsdom';
import linkifyUrls from './index.js';
const dom = new jsdom.JSDOM();
globalThis.window = dom.window;
globalThis.document = dom.window.document;
// Ponyfill until this is in:
// https://github.com/tmpvar/jsdom/issues/317
document.createRange = () => ({
createContextualFragment(html) {
const element = document.createElement('template');
element.innerHTML = html;
return element.content;
},
});
// Get DOM node from HTML
const domify = html => document.createRange().createContextualFragment(html);
// Get HTML from DOM node
const html = dom => {
const element = document.createElement('div');
element.append(dom);
return element.innerHTML;
};
test('main', t => {
t.is(
linkifyUrls('See https://sindresorhus.com and https://github.com/sindresorhus/got'),
'See <a href="https://sindresorhus.com">https://sindresorhus.com</a> and <a href="https://github.com/sindresorhus/got">https://github.com/sindresorhus/got</a>',
);
t.is(
linkifyUrls('See https://sindresorhus.com', {
attributes: {
class: 'unicorn',
target: '_blank',
},
}),
'See <a href="https://sindresorhus.com" class="unicorn" target="_blank">https://sindresorhus.com</a>',
);
t.is(
linkifyUrls('[![Build Status](https://travis-ci.org/sindresorhus/caprine.svg?branch=main)](https://travis-ci.org/sindresorhus/caprine)'),
'[![Build Status](<a href="https://travis-ci.org/sindresorhus/caprine.svg?branch=main">https://travis-ci.org/sindresorhus/caprine.svg?branch=main</a>)](<a href="https://travis-ci.org/sindresorhus/caprine">https://travis-ci.org/sindresorhus/caprine</a>)',
);
});
test('supports boolean and non-string attribute values', t => {
t.is(
linkifyUrls('https://sindresorhus.com', {
attributes: {
foo: true,
bar: false,
one: 1,
},
}),
'<a href="https://sindresorhus.com" foo one="1">https://sindresorhus.com</a>',
);
});
test('DocumentFragment support', t => {
t.is(
html(linkifyUrls('See https://sindresorhus.com and https://github.com/sindresorhus/got', {
type: 'dom',
})),
html(domify('See <a href="https://sindresorhus.com">https://sindresorhus.com</a> and <a href="https://github.com/sindresorhus/got">https://github.com/sindresorhus/got</a>')),
);
t.is(
html(linkifyUrls('See https://sindresorhus.com', {
type: 'dom',
attributes: {
class: 'unicorn',
target: '_blank',
},
})),
html(domify('See <a href="https://sindresorhus.com" class="unicorn" target="_blank">https://sindresorhus.com</a>')),
);
t.is(
html(linkifyUrls('[![Build Status](https://travis-ci.org/sindresorhus/caprine.svg?branch=main)](https://travis-ci.org/sindresorhus/caprine)', {
type: 'dom',
})),
html(domify('[![Build Status](<a href="https://travis-ci.org/sindresorhus/caprine.svg?branch=main">https://travis-ci.org/sindresorhus/caprine.svg?branch=main</a>)](<a href="https://travis-ci.org/sindresorhus/caprine">https://travis-ci.org/sindresorhus/caprine</a>)')),
);
});
test('escapes the URL', t => {
t.is(linkifyUrls('https://mysite.com/?emp=1&=2'), '<a href="https://mysite.com/?emp=1&amp=2">https://mysite.com/?emp=1&amp=2</a>');
});
test('supports `@` in the URL path', t => {
t.is(linkifyUrls('https://sindresorhus.com/@foo'), '<a href="https://sindresorhus.com/@foo">https://sindresorhus.com/@foo</a>');
});
test('supports `#!` in the URL path', t => {
t.is(linkifyUrls('https://twitter.com/#!/sindresorhus'), '<a href="https://twitter.com/#!/sindresorhus">https://twitter.com/#!/sindresorhus</a>');
});
test('supports *$ in the URL path', t => {
t.is(linkifyUrls('https://sindresorhus.com/#1_*'), '<a href="https://sindresorhus.com/#1_*">https://sindresorhus.com/#1_*</a>');
t.is(linkifyUrls('https://sindresorhus.com/#1_$'), '<a href="https://sindresorhus.com/#1_$">https://sindresorhus.com/#1_$</a>');
});
test('supports `,` in the URL path, but not at the end', t => {
t.is(linkifyUrls('https://sindresorhus.com/?id=foo,bar'), '<a href="https://sindresorhus.com/?id=foo,bar">https://sindresorhus.com/?id=foo,bar</a>');
t.is(linkifyUrls('https://sindresorhus.com/?id=foo, bar'), '<a href="https://sindresorhus.com/?id=foo">https://sindresorhus.com/?id=foo</a>, bar');
});
test('supports `value` option', t => {
t.is(linkifyUrls('See https://github.com/sindresorhus.com/linkify-urls for a solution', {
type: 'string',
value: 0,
}), 'See <a href="https://github.com/sindresorhus.com/linkify-urls">0</a> for a solution');
});
test('supports `value` option as function', t => {
t.is(linkifyUrls('See https://github.com/sindresorhus.com/linkify-urls for a solution', {
value: url => new URL(url).hostname,
}), 'See <a href="https://github.com/sindresorhus.com/linkify-urls">github.com</a> for a solution');
});
test('skips URLs preceded by a `+` sign', t => {
const fixture = 'git+https://github.com/sindresorhus/ava';
t.is(linkifyUrls(fixture), fixture);
});
test('supports username in url', t => {
t.is(linkifyUrls('https://user@sindresorhus.com/@foo'), '<a href="https://user@sindresorhus.com/@foo">https://user@sindresorhus.com/@foo</a>');
});
test('supports a URL with a subdomain', t => {
t.is(linkifyUrls('https://docs.google.com'), '<a href="https://docs.google.com">https://docs.google.com</a>');
});
test('skips email addresses', t => {
t.is(linkifyUrls('sindre@example.com'), 'sindre@example.com');
t.is(linkifyUrls('www.sindre@example.com'), 'www.sindre@example.com');
t.is(linkifyUrls('sindre@www.example.com'), 'sindre@www.example.com');
});
test('supports localhost URLs', t => {
t.is(linkifyUrls('https://localhost'), '<a href="https://localhost">https://localhost</a>');
t.is(linkifyUrls('https://localhost/foo/bar'), '<a href="https://localhost/foo/bar">https://localhost/foo/bar</a>');
});
test('skips truncated URLs', t => {
t.is(linkifyUrls('https://github.com/sindresorhus/linkify-…'), 'https://github.com/sindresorhus/linkify-…');
t.is(linkifyUrls('https://github.com/sindresorhus/linkify-… and https://github.com/sindresorhus/linkify-…'), 'https://github.com/sindresorhus/linkify-… and https://github.com/sindresorhus/linkify-…');
t.is(linkifyUrls('https://github.com/sindresorhus/linkify-urls and more…'), '<a href="https://github.com/sindresorhus/linkify-urls">https://github.com/sindresorhus/linkify-urls</a> and more…');
t.is(linkifyUrls('https://github.com/sindresorhus/linkify-...'), 'https://github.com/sindresorhus/linkify-...');
t.is(linkifyUrls('https://github.com/sindresorhus/linkify-... and https://github.com/sindresorhus/linkify-...'), 'https://github.com/sindresorhus/linkify-... and https://github.com/sindresorhus/linkify-...');
t.is(linkifyUrls('https://github.com/sindresorhus/linkify-urls and more...'), '<a href="https://github.com/sindresorhus/linkify-urls">https://github.com/sindresorhus/linkify-urls</a> and more...');
});
test('skips truncated URLs (DocumentFragment)', t => {
t.is(
html(linkifyUrls('See https://github.com/sindresorhus/linkify-urls and https://github.com/sindresorhus/linkify-…', {
type: 'dom',
})),
html(domify('See <a href="https://github.com/sindresorhus/linkify-urls">https://github.com/sindresorhus/linkify-urls</a> and https://github.com/sindresorhus/linkify-…')),
);
t.is(
html(linkifyUrls('See https://github.com/sindresorhus/linkify-urls… and https://github.com/sindresorhus/linkify-…', {
type: 'dom',
})),
html(domify('See https://github.com/sindresorhus/linkify-urls… and https://github.com/sindresorhus/linkify-…')),
);
t.is(
html(linkifyUrls('See https://github.com/sindresorhus/linkify-urls and https://github.com/sindresorhus/linkify-...', {
type: 'dom',
})),
html(domify('See <a href="https://github.com/sindresorhus/linkify-urls">https://github.com/sindresorhus/linkify-urls</a> and https://github.com/sindresorhus/linkify-...')),
);
t.is(
html(linkifyUrls('See https://github.com/sindresorhus/linkify-... and https://github.com/sindresorhus/linkify-...', {
type: 'dom',
})),
html(domify('See https://github.com/sindresorhus/linkify-... and https://github.com/sindresorhus/linkify-...')),
);
});