Adding markdown to content fields

- Fixes #7

README.md

@@ -34,6 +34,7 @@ We have a twitter alternative (mastodon), a facebook alternative (friendica), so
 - [Mastodan public key server example](https://blog.joinmastodon.org/2018/06/how-to-implement-a-basic-activitypub-server/)
 - [Recursive query for adjacency list for nested comments](https://stackoverflow.com/questions/192220/what-is-the-most-efficient-elegant-way-to-parse-a-flat-table-into-a-tree/192462#192462)
 - https://github.com/sparksuite/simplemde-markdown-editor
+- [Markdown-it](https://github.com/markdown-it/markdown-it)
 - [Sticky Sidebar](https://stackoverflow.com/questions/38382043/how-to-use-css-position-sticky-to-keep-a-sidebar-visible-with-bootstrap-4/49111934)
 - [RXJS websocket](https://stackoverflow.com/questions/44060315/reconnecting-a-websocket-in-angular-and-rxjs/44067972#44067972)
 - [Rust JWT](https://github.com/Keats/jsonwebtoken)

ui/package.json

@@ -22,6 +22,7 @@
     "inferno-router": "^7.0.1",
     "js-cookie": "^2.2.0",
     "jwt-decode": "^2.2.0",
+    "markdown-it": "^8.4.2",
     "moment": "^2.24.0",
     "rxjs": "^6.4.0"
   },

ui/src/components/post.tsx

@@ -3,7 +3,7 @@ import { Subscription } from "rxjs";
 import { retryWhen, delay, take } from 'rxjs/operators';
 import { UserOperation, Community, Post as PostI, PostResponse, Comment, CommentForm as CommentFormI, CommentResponse, CommentLikeForm, CreateCommentLikeResponse, CommentSortType } from '../interfaces';
 import { WebSocketService, UserService } from '../services';
-import { msgOp, hotRank } from '../utils';
+import { msgOp, hotRank,mdToHtml } from '../utils';
 import { MomentTime } from './moment-time';
 
 interface CommentNodeI {
@@ -304,7 +304,7 @@ export class CommentNode extends Component<CommentNodeProps, CommentNodeState> {
           {this.state.showEdit && <CommentForm node={node} edit onReplyCancel={this.handleReplyCancel} />}
           {!this.state.showEdit &&
             <div>
-              <p className='mb-0'>{node.comment.content}</p>
+              <div className="md-div" dangerouslySetInnerHTML={mdToHtml(node.comment.content)} />
               <ul class="list-inline mb-1 text-muted small font-weight-bold">
                 <li className="list-inline-item">
                   <span class="pointer" onClick={linkEvent(this, this.handleReplyClick)}>reply</span>

ui/src/main.css

@@ -23,3 +23,7 @@ body {
   color: #fff;
   background-color: var(--secondary);
 }
+
+.md-div p {
+  margin-bottom: 0px;
+}

ui/src/utils.ts

@@ -1,4 +1,5 @@
 import { UserOperation, Comment } from './interfaces';
+import * as markdown_it from 'markdown-it';
 
 export let repoUrl = 'https://github.com/dessalines/rust-reddit-fediverse';
 export let wsUri = (window.location.protocol=='https:'&&'wss://'||'ws://')+window.location.host + '/service/ws/';
@@ -8,6 +9,12 @@ export function msgOp(msg: any): UserOperation {
   return UserOperation[opStr];
 }
 
+var md = new markdown_it({
+  html: true,
+  linkify: true,
+  typographer: true
+});
+
 export function hotRank(comment: Comment): number {
   // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
 
@@ -21,3 +28,7 @@ export function hotRank(comment: Comment): number {
 
   return rank;
 }
+
+export function mdToHtml(text: string) {
+  return {__html: md.render(text)};
+}

ui/yarn.lock

@@ -115,6 +115,13 @@ are-we-there-yet@~1.1.2:
     delegates "^1.0.0"
     readable-stream "^2.0.6"
 
+argparse@^1.0.7:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+  integrity sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==
+  dependencies:
+    sprintf-js "~1.0.2"
+
 arr-diff@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
@@ -599,6 +606,11 @@ encodeurl@~1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
+entities@~1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
+  integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
+
 error-ex@^1.2.0:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
@@ -1564,6 +1576,13 @@ levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
+linkify-it@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/linkify-it/-/linkify-it-2.1.0.tgz#c4caf38a6cd7ac2212ef3c7d2bde30a91561f9db"
+  integrity sha512-4REs8/062kV2DSHxNfq5183zrqXMl7WP0WzABH9IeJI+NLm429FgE1PDecltYfnOoFDFlZGh2T8PfZn0r+GTRg==
+  dependencies:
+    uc.micro "^1.0.1"
+
 load-json-file@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
@@ -1614,11 +1633,27 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
+markdown-it@^8.4.2:
+  version "8.4.2"
+  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-8.4.2.tgz#386f98998dc15a37722aa7722084f4020bdd9b54"
+  integrity sha512-GcRz3AWTqSUphY3vsUqQSFMbgR38a4Lh3GWlHRh/7MRwz8mcu9n2IO7HOh+bXHrR9kOPDl5RNCaEsrneb+xhHQ==
+  dependencies:
+    argparse "^1.0.7"
+    entities "~1.1.1"
+    linkify-it "^2.0.0"
+    mdurl "^1.0.1"
+    uc.micro "^1.0.5"
+
 math-random@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
   integrity sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A==
 
+mdurl@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-1.0.1.tgz#fe85b2ec75a59037f2adfec100fd6c601761152e"
+  integrity sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4=
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -2673,6 +2708,11 @@ split-string@^3.0.1, split-string@^3.0.2:
   dependencies:
     extend-shallow "^3.0.0"
 
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+  integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
+
 sshpk@^1.7.0:
   version "1.16.1"
   resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.16.1.tgz#fb661c0bef29b39db40769ee39fa70093d6f6877"
@@ -2888,6 +2928,11 @@ typescript@^3.3.3333:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.3333.tgz#171b2c5af66c59e9431199117a3bcadc66fdcfd6"
   integrity sha512-JjSKsAfuHBE/fB2oZ8NxtRTk5iGcg6hkYXMnZ3Wc+b2RSqejEqTaem11mHASMnFilHrax3sLK0GDzcJrekZYLw==
 
+uc.micro@^1.0.1, uc.micro@^1.0.5:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-1.0.6.tgz#9c411a802a409a91fc6cf74081baba34b24499ac"
+  integrity sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==
+
 uglify-es@^3.3.9:
   version "3.3.9"
   resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.9.tgz#0c1c4f0700bed8dbc124cdb304d2592ca203e677"