zio/bsky-app
2
0
Fork 0
Code Pull requests Releases Packages Activity

Implement a link metadata fetching util function

Browse source
This commit is contained in:
Paul Frazee 2022-11-23 16:29:17 -06:00
parent eb106a9758
commit 89638dbd18
4 changed files with 1488 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

80
__tests__/string-utils.ts
View file

@ -1,17 +1,21 @@
import {extractEntities, detectLinkables} from '../src/lib/strings'
import {
extractEntities,
detectLinkables,
extractHtmlMeta,
} from '../src/lib/strings'
describe('extractEntities', () => {
const knownHandles = new Set(['handle', 'full123.test-of-chars'])
const knownHandles = new Set(['handle.com', 'full123.test-of-chars'])
const inputs = [
'no mention',
'@handle middle end',
'start @handle end',
'start middle @handle',
'@handle @handle @handle',
'@handle.com middle end',
'start @handle.com end',
'start middle @handle.com',
'@handle.com @handle.com @handle.com',
'@full123.test-of-chars',
'not@right',
'@handle!@#$chars',
'@handle\n@handle',
'@handle.com!@#$chars',
'@handle.com\n@handle.com',
'start https://middle.com end',
'start https://middle.com/foo/bar end',
'start https://middle.com/foo/bar?baz=bux end',
@ -35,13 +39,13 @@ describe('extractEntities', () => {
}
const outputs: Output[][] = [
[],
[{type: 'mention', value: 'handle'}],
[{type: 'mention', value: 'handle'}],
[{type: 'mention', value: 'handle'}],
[{type: 'mention', value: 'handle.com'}],
[{type: 'mention', value: 'handle.com'}],
[{type: 'mention', value: 'handle.com'}],
[
{type: 'mention', value: 'handle'},
{type: 'mention', value: 'handle'},
{type: 'mention', value: 'handle'},
{type: 'mention', value: 'handle.com'},
{type: 'mention', value: 'handle.com'},
{type: 'mention', value: 'handle.com'},
],
[
{
@ -50,10 +54,10 @@ describe('extractEntities', () => {
},
],
[],
[{type: 'mention', value: 'handle'}],
[{type: 'mention', value: 'handle.com'}],
[
{type: 'mention', value: 'handle'},
{type: 'mention', value: 'handle'},
{type: 'mention', value: 'handle.com'},
{type: 'mention', value: 'handle.com'},
],
[{type: 'link', value: 'https://middle.com'}],
[{type: 'link', value: 'https://middle.com/foo/bar'}],
@ -176,3 +180,45 @@ describe('detectLinkables', () => {
}
})
})
describe('extractHtmlMeta', () => {
const inputs = [
'',
'nothing',
'<title>title</title>',
'<title> aSd!@#AC </title>',
'<title>\n title\n </title>',
'<meta name="title" content="meta title">',
'<meta name="description" content="meta description">',
'<meta property="og:title" content="og title">',
'<meta property="og:description" content="og description">',
'<meta property="og:image" content="https://ogimage.com/foo.png">',
'<meta property="twitter:title" content="twitter title">',
'<meta property="twitter:description" content="twitter description">',
'<meta property="twitter:image" content="https://twitterimage.com/foo.png">',
'<meta\n name="title"\n content="meta title"\n>',
]
const outputs = [
{},
{},
{title: 'title'},
{title: 'aSd!@#AC'},
{title: 'title'},
{title: 'meta title'},
{description: 'meta description'},
{title: 'og title'},
{description: 'og description'},
{image: 'https://ogimage.com/foo.png'},
{title: 'twitter title'},
{description: 'twitter description'},
{image: 'https://twitterimage.com/foo.png'},
{title: 'meta title'},
]
it('correctly handles a set of text inputs', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const output = extractHtmlMeta(input)
expect(output).toEqual(outputs[i])
}
})
})