1 import { Injectable } from '@angular/core'
2 import { getAbsoluteAPIUrl } from '@app/shared/misc/utils'
3 // FIXME: use @types/linkify when https://github.com/DefinitelyTyped/DefinitelyTyped/pull/29682/files is merged?
4 const linkify = require('linkifyjs')
5 const linkifyHtml = require('linkifyjs/html')
8 export class LinkifierService {
10 static CLASSNAME = 'linkified'
12 private linkifyOptions = {
14 mention: LinkifierService.CLASSNAME + '-mention',
15 url: LinkifierService.CLASSNAME + '-url'
21 this.mentionWithDomainPlugin(linkify)
24 linkify (text: string) {
25 return linkifyHtml(text, this.linkifyOptions)
28 private mentionWithDomainPlugin (linkify: any) {
29 const TT = linkify.scanner.TOKENS // Text tokens
30 const { TOKENS: MT, State } = linkify.parser // Multi tokens, state
31 const MultiToken = MT.Base
32 const S_START = linkify.parser.start
35 const TT_DOMAIN = TT.DOMAIN
36 const TT_LOCALHOST = TT.LOCALHOST
38 const TT_COLON = TT.COLON
39 const TT_SLASH = TT.SLASH
41 const TT_UNDERSCORE = TT.UNDERSCORE
44 function MENTION (this: any, value: any) {
48 linkify.inherits(MultiToken, MENTION, {
49 type: 'mentionWithDomain',
52 return getAbsoluteAPIUrl() + '/services/redirect/accounts/' + this.toString().substr(1)
56 const S_AT = S_START.jump(TT_AT) // @
57 const S_AT_SYMS = new State()
58 const S_MENTION = new State(MENTION)
59 const S_MENTION_DIVIDER = new State()
60 const S_MENTION_DIVIDER_SYMS = new State()
63 S_AT.on(TT_UNDERSCORE, S_AT_SYMS)
67 .on(TT_UNDERSCORE, S_AT_SYMS)
68 .on(TT_DOT, S_AT_SYMS)
70 // Valid mention (not made up entirely of symbols)
72 .on(TT_DOMAIN, S_MENTION)
73 .on(TT_LOCALHOST, S_MENTION)
74 .on(TT_TLD, S_MENTION)
75 .on(TT_NUM, S_MENTION)
78 .on(TT_DOMAIN, S_MENTION)
79 .on(TT_LOCALHOST, S_MENTION)
80 .on(TT_TLD, S_MENTION)
81 .on(TT_NUM, S_MENTION)
83 // More valid mentions
85 .on(TT_DOMAIN, S_MENTION)
86 .on(TT_LOCALHOST, S_MENTION)
87 .on(TT_TLD, S_MENTION)
88 .on(TT_COLON, S_MENTION)
89 .on(TT_NUM, S_MENTION)
90 .on(TT_UNDERSCORE, S_MENTION)
92 // Mention with a divider
94 .on(TT_AT, S_MENTION_DIVIDER)
95 .on(TT_SLASH, S_MENTION_DIVIDER)
96 .on(TT_DOT, S_MENTION_DIVIDER)
98 // Mention _ trailing stash plus syms
99 S_MENTION_DIVIDER.on(TT_UNDERSCORE, S_MENTION_DIVIDER_SYMS)
100 S_MENTION_DIVIDER_SYMS.on(TT_UNDERSCORE, S_MENTION_DIVIDER_SYMS)
102 // Once we get a word token, mentions can start up again
104 .on(TT_DOMAIN, S_MENTION)
105 .on(TT_LOCALHOST, S_MENTION)
106 .on(TT_TLD, S_MENTION)
107 .on(TT_NUM, S_MENTION)
109 S_MENTION_DIVIDER_SYMS
110 .on(TT_DOMAIN, S_MENTION)
111 .on(TT_LOCALHOST, S_MENTION)
112 .on(TT_TLD, S_MENTION)
113 .on(TT_NUM, S_MENTION)