1 import { Injectable } from '@angular/core'
2 import { getAbsoluteAPIUrl } from '@app/shared/misc/utils'
3 import * as linkify from 'linkifyjs'
4 import linkifyHtml from 'linkifyjs/html'
7 export class LinkifierService {
9 static CLASSNAME = 'linkified'
11 private linkifyOptions = {
13 mention: LinkifierService.CLASSNAME + '-mention',
14 url: LinkifierService.CLASSNAME + '-url'
20 this.mentionWithDomainPlugin(linkify)
23 linkify (text: string) {
24 return linkifyHtml(text, this.linkifyOptions)
27 private mentionWithDomainPlugin (linkify: any) {
28 const TT = linkify.scanner.TOKENS // Text tokens
29 const { TOKENS: MT, State } = linkify.parser // Multi tokens, state
30 const MultiToken = MT.Base
31 const S_START = linkify.parser.start
34 const TT_DOMAIN = TT.DOMAIN
35 const TT_LOCALHOST = TT.LOCALHOST
37 const TT_COLON = TT.COLON
38 const TT_SLASH = TT.SLASH
40 const TT_UNDERSCORE = TT.UNDERSCORE
43 function MENTION (this: any, value: any) {
47 linkify.inherits(MultiToken, MENTION, {
48 type: 'mentionWithDomain',
51 return getAbsoluteAPIUrl() + '/services/redirect/accounts/' + this.toString().substr(1)
55 const S_AT = S_START.jump(TT_AT) // @
56 const S_AT_SYMS = new State()
57 const S_MENTION = new State(MENTION)
58 const S_MENTION_DIVIDER = new State()
59 const S_MENTION_DIVIDER_SYMS = new State()
62 S_AT.on(TT_UNDERSCORE, S_AT_SYMS)
66 .on(TT_UNDERSCORE, S_AT_SYMS)
67 .on(TT_DOT, S_AT_SYMS)
69 // Valid mention (not made up entirely of symbols)
71 .on(TT_DOMAIN, S_MENTION)
72 .on(TT_LOCALHOST, S_MENTION)
73 .on(TT_TLD, S_MENTION)
74 .on(TT_NUM, S_MENTION)
77 .on(TT_DOMAIN, S_MENTION)
78 .on(TT_LOCALHOST, S_MENTION)
79 .on(TT_TLD, S_MENTION)
80 .on(TT_NUM, S_MENTION)
82 // More valid mentions
84 .on(TT_DOMAIN, S_MENTION)
85 .on(TT_LOCALHOST, S_MENTION)
86 .on(TT_TLD, S_MENTION)
87 .on(TT_COLON, S_MENTION)
88 .on(TT_NUM, S_MENTION)
89 .on(TT_UNDERSCORE, S_MENTION)
91 // Mention with a divider
93 .on(TT_AT, S_MENTION_DIVIDER)
94 .on(TT_SLASH, S_MENTION_DIVIDER)
95 .on(TT_DOT, S_MENTION_DIVIDER)
97 // Mention _ trailing stash plus syms
98 S_MENTION_DIVIDER.on(TT_UNDERSCORE, S_MENTION_DIVIDER_SYMS)
99 S_MENTION_DIVIDER_SYMS.on(TT_UNDERSCORE, S_MENTION_DIVIDER_SYMS)
101 // Once we get a word token, mentions can start up again
103 .on(TT_DOMAIN, S_MENTION)
104 .on(TT_LOCALHOST, S_MENTION)
105 .on(TT_TLD, S_MENTION)
106 .on(TT_NUM, S_MENTION)
108 S_MENTION_DIVIDER_SYMS
109 .on(TT_DOMAIN, S_MENTION)
110 .on(TT_LOCALHOST, S_MENTION)
111 .on(TT_TLD, S_MENTION)
112 .on(TT_NUM, S_MENTION)