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nostr-tools
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This commit is contained in:
Alex Gleason 2023-04-22 18:33:09 -05:00
parent eb97dbd9ef
commit dcf101c6c2
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GPG Key ID: 7211D1F99744FBB7
4 changed files with 65 additions and 30 deletions
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32
nip21.test.js
View File

@ -2,23 +2,41 @@
const {nip21} = require('./lib/nostr.cjs')
test('test', () => {
expect(nip21.test('nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6')).toBe(true)
expect(nip21.test('nostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky')).toBe(true)
expect(nip21.test(' nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6')).toBe(false)
expect(
nip21.test(
'nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6'
)
).toBe(true)
expect(
nip21.test(
'nostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky'
)
).toBe(true)
expect(
nip21.test(
' nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6'
)
).toBe(false)
expect(nip21.test('nostr:')).toBe(false)
expect(nip21.test('nostr:npub108pv4cg5ag52nQq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6')).toBe(false)
expect(
nip21.test(
'nostr:npub108pv4cg5ag52nQq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6'
)
).toBe(false)
expect(nip21.test('gggggg')).toBe(false)
})
test('parse', () => {
const result = nip21.parse('nostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky')
const result = nip21.parse(
'nostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky'
)
expect(result).toEqual({
uri: 'nostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky',
value: 'note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky',
decoded: {
type: 'note',
data: '46d731680add2990efe1cc619dc9b8014feeb23261ab9dee50e9d11814de5a2b',
},
data: '46d731680add2990efe1cc619dc9b8014feeb23261ab9dee50e9d11814de5a2b'
}
})
})

10
nip21.ts
View File

@ -5,14 +5,18 @@ import * as nip21 from './nip21'
* Bech32 regex.
* @see https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki#bech32
*/
export const BECH32_REGEX = /[\x21-\x7E]{1,83}1[023456789acdefghjklmnpqrstuvwxyz]{6,}/
export const BECH32_REGEX =
/[\x21-\x7E]{1,83}1[023456789acdefghjklmnpqrstuvwxyz]{6,}/
/** Nostr URI regex, eg `nostr:npub1...` */
export const NOSTR_URI_REGEX = new RegExp(`nostr:(${BECH32_REGEX.source})`)
/** Test whether the value is a Nostr URI. */
export function test(value: unknown): value is `nostr:${string}` {
return typeof value === 'string' && new RegExp(`^${NOSTR_URI_REGEX.source}$`).test(value)
return (
typeof value === 'string' &&
new RegExp(`^${NOSTR_URI_REGEX.source}$`).test(value)
)
}
/** Parsed Nostr URI data. */
@ -32,6 +36,6 @@ export function parse(uri: string): NostrURI {
return {
uri: match[0] as `nostr:${string}`,
value: match[1],
decoded: nip19.decode(match[1]),
decoded: nip19.decode(match[1])
}
}

39
nip27.test.js
View File

@ -3,29 +3,38 @@ const {nip27} = require('./lib/nostr.cjs')
test('find', () => {
const result = nip27.find(
'Hello nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6!\n\nnostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky',
'Hello nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6!\n\nnostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky'
)
expect(result).toEqual([{
uri: 'nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6',
value: 'npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6',
decoded: { type: 'npub', data: '79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6' },
start: 6,
end: 75,
}, {
uri: 'nostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky',
value: 'note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky',
decoded: { type: 'note', data: '46d731680add2990efe1cc619dc9b8014feeb23261ab9dee50e9d11814de5a2b' },
start: 78,
end: 147,
}])
expect(result).toEqual([
{
uri: 'nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6',
value: 'npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6',
decoded: {
type: 'npub',
data: '79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6'
},
start: 6,
end: 75
},
{
uri: 'nostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky',
value: 'note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky',
decoded: {
type: 'note',
data: '46d731680add2990efe1cc619dc9b8014feeb23261ab9dee50e9d11814de5a2b'
},
start: 78,
end: 147
}
])
})
test('replaceAll', () => {
const content =
'Hello nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6!\n\nnostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky'
const result = nip27.replaceAll(content, ({ decoded, value }) => {
const result = nip27.replaceAll(content, ({decoded, value}) => {
switch (decoded.type) {
case 'npub':
return '@alex'

14
nip27.ts
View File

@ -2,7 +2,8 @@ import * as nip19 from './nip19'
import * as nip21 from './nip21'
/** Regex to find NIP-21 URIs inside event content. */
export const regex = () => new RegExp(`\\b${nip21.NOSTR_URI_REGEX.source}\\b`, 'g')
export const regex = () =>
new RegExp(`\\b${nip21.NOSTR_URI_REGEX.source}\\b`, 'g')
/** Match result for a Nostr URI in event content. */
export interface NostrURIMatch extends nip21.NostrURI {
@ -16,7 +17,7 @@ export interface NostrURIMatch extends nip21.NostrURI {
export function find(content: string): NostrURIMatch[] {
const matches = content.matchAll(regex())
return [...matches].map((match) => {
return [...matches].map(match => {
const [uri, value] = match
return {
@ -24,7 +25,7 @@ export function find(content: string): NostrURIMatch[] {
value,
decoded: nip19.decode(value),
start: match.index!,
end: match.index! + uri.length,
end: match.index! + uri.length
}
})
}
@ -48,12 +49,15 @@ export function find(content: string): NostrURIMatch[] {
* })
* ```
*/
export function replaceAll(content: string, replacer: (match: nip21.NostrURI) => string): string {
export function replaceAll(
content: string,
replacer: (match: nip21.NostrURI) => string
): string {
return content.replaceAll(regex(), (uri, value) => {
return replacer({
uri: uri as `nostr:${string}`,
value,
decoded: nip19.decode(value),
decoded: nip19.decode(value)
})
})
}