ui/markdown: preserve line breaks in markdown

package.json

@@ -108,6 +108,7 @@
     "redux": "4.2.1",
     "redux-devtools-extension": "2.13.9",
     "redux-thunk": "2.4.2",
+    "remark-breaks": "4.0.0",
     "remark-gfm": "3.0.1",
     "stylelint": "15.10.3",
     "stylelint-config-standard": "34.0.0",

web/src/app/util/Markdown.js

@@ -2,6 +2,7 @@ import React from 'react'
 import ReactMarkdown from 'react-markdown'
 import { safeURL } from './safeURL'
 import remarkGfm from 'remark-gfm'
+import remarkBreaks from 'remark-breaks'
 import makeStyles from '@mui/styles/makeStyles'
 import AppLink from './AppLink'
 
@@ -72,7 +73,7 @@ export default function Markdown(props) {
           </AppLink>
         ),
       }}
-      remarkPlugins={[remarkGfm]}
+      remarkPlugins={[remarkGfm, remarkBreaks]}
       allowElement={(element) => {
         if (
           element.tagName === 'a' &&

yarn.lock

@@ -2756,6 +2756,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/mdast@npm:^4.0.0":
+  version: 4.0.1
+  resolution: "@types/mdast@npm:4.0.1"
+  dependencies:
+    "@types/unist": "*"
+  checksum: 3d8fe54a6fb747376c4cc2f05c319730a5737b77844d8ea58d2d696417fa933cd270c20e197f531fc1b4be5e340dc416129f8b4f5fa2f0d2d0cf51850928340a
+  languageName: node
+  linkType: hard
+
 "@types/minimatch@npm:^5.1.2":
   version: 5.1.2
   resolution: "@types/minimatch@npm:5.1.2"
@@ -2905,6 +2914,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/unist@npm:*, @types/unist@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "@types/unist@npm:3.0.0"
+  checksum: e9d21a8fb5e332be0acef29192d82632875b2ef3e700f1bc64fdfc1520189542de85c3d4f3bcfbc2f4afdb210f4c23f68061f3fbf10744e920d4f18430d19f49
+  languageName: node
+  linkType: hard
+
 "@types/unist@npm:^2, @types/unist@npm:^2.0.0":
   version: 2.0.8
   resolution: "@types/unist@npm:2.0.8"
@@ -4949,6 +4965,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"devlop@npm:^1.0.0":
+  version: 1.1.0
+  resolution: "devlop@npm:1.1.0"
+  dependencies:
+    dequal: ^2.0.0
+  checksum: d2ff650bac0bb6ef08c48f3ba98640bb5fec5cce81e9957eb620408d1bab1204d382a45b785c6b3314dc867bb0684936b84c6867820da6db97cbb5d3c15dd185
+  languageName: node
+  linkType: hard
+
 "diff-sequences@npm:^29.6.3":
   version: 29.6.3
   resolution: "diff-sequences@npm:29.6.3"
@@ -8755,6 +8780,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"mdast-util-find-and-replace@npm:^3.0.0":
+  version: 3.0.1
+  resolution: "mdast-util-find-and-replace@npm:3.0.1"
+  dependencies:
+    "@types/mdast": ^4.0.0
+    escape-string-regexp: ^5.0.0
+    unist-util-is: ^6.0.0
+    unist-util-visit-parents: ^6.0.0
+  checksum: 05d5c4ff02e31db2f8a685a13bcb6c3f44e040bd9dfa54c19a232af8de5268334c8755d79cb456ed4cced1300c4fb83e88444c7ae8ee9ff16869a580f29d08cd
+  languageName: node
+  linkType: hard
+
 "mdast-util-from-markdown@npm:^1.0.0":
   version: 1.3.1
   resolution: "mdast-util-from-markdown@npm:1.3.1"
@@ -8845,6 +8882,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"mdast-util-newline-to-break@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "mdast-util-newline-to-break@npm:2.0.0"
+  dependencies:
+    "@types/mdast": ^4.0.0
+    mdast-util-find-and-replace: ^3.0.0
+  checksum: 91e235e3629a83d6b7f1d713297da9f7fc394b1c88f2859f775bee78cd8de6a84d8657edac5f7b1fecfc07e4b5d06233f64f61e895b76642f1612530b2d7d88a
+  languageName: node
+  linkType: hard
+
 "mdast-util-phrasing@npm:^3.0.0":
   version: 3.0.1
   resolution: "mdast-util-phrasing@npm:3.0.1"
@@ -10832,6 +10879,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"remark-breaks@npm:4.0.0":
+  version: 4.0.0
+  resolution: "remark-breaks@npm:4.0.0"
+  dependencies:
+    "@types/mdast": ^4.0.0
+    mdast-util-newline-to-break: ^2.0.0
+    unified: ^11.0.0
+  checksum: 222883db314a2842fa0a5f59a571b66df722c6bdf284938a7463e892228820b72d6827b38b55de8f87577a50a1c4b7502573b0e6a403003815c210a18fd04a51
+  languageName: node
+  linkType: hard
+
 "remark-gfm@npm:3.0.1":
   version: 3.0.1
   resolution: "remark-gfm@npm:3.0.1"
@@ -11159,6 +11217,7 @@ __metadata:
     redux: 4.2.1
     redux-devtools-extension: 2.13.9
     redux-thunk: 2.4.2
+    remark-breaks: 4.0.0
     remark-gfm: 3.0.1
     stylelint: 15.10.3
     stylelint-config-standard: 34.0.0
@@ -12406,6 +12465,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"unified@npm:^11.0.0":
+  version: 11.0.3
+  resolution: "unified@npm:11.0.3"
+  dependencies:
+    "@types/unist": ^3.0.0
+    bail: ^2.0.0
+    devlop: ^1.0.0
+    extend: ^3.0.0
+    is-plain-obj: ^4.0.0
+    trough: ^2.0.0
+    vfile: ^6.0.0
+  checksum: 402d6b397b98f8966993faca0e1480f5f1825cc44df6a5236b75ab099f14b10ed808e578155c3f535e60676c12ee3f52346ca08d64343a72181d7a6b4d32011d
+  languageName: node
+  linkType: hard
+
 "union-value@npm:^1.0.0":
   version: 1.0.1
   resolution: "union-value@npm:1.0.1"
@@ -12452,6 +12526,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"unist-util-is@npm:^6.0.0":
+  version: 6.0.0
+  resolution: "unist-util-is@npm:6.0.0"
+  dependencies:
+    "@types/unist": ^3.0.0
+  checksum: f630a925126594af9993b091cf807b86811371e465b5049a6283e08537d3e6ba0f7e248e1e7dab52cfe33f9002606acef093441137181b327f6fe504884b20e2
+  languageName: node
+  linkType: hard
+
 "unist-util-position@npm:^4.0.0":
   version: 4.0.4
   resolution: "unist-util-position@npm:4.0.4"
@@ -12470,6 +12553,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"unist-util-stringify-position@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "unist-util-stringify-position@npm:4.0.0"
+  dependencies:
+    "@types/unist": ^3.0.0
+  checksum: e2e7aee4b92ddb64d314b4ac89eef7a46e4c829cbd3ee4aee516d100772b490eb6b4974f653ba0717a0071ca6ea0770bf22b0a2ea62c65fcba1d071285e96324
+  languageName: node
+  linkType: hard
+
 "unist-util-visit-parents@npm:^5.0.0, unist-util-visit-parents@npm:^5.1.1":
   version: 5.1.3
   resolution: "unist-util-visit-parents@npm:5.1.3"
@@ -12480,6 +12572,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"unist-util-visit-parents@npm:^6.0.0":
+  version: 6.0.1
+  resolution: "unist-util-visit-parents@npm:6.0.1"
+  dependencies:
+    "@types/unist": ^3.0.0
+    unist-util-is: ^6.0.0
+  checksum: 08927647c579f63b91aafcbec9966dc4a7d0af1e5e26fc69f4e3e6a01215084835a2321b06f3cbe7bf7914a852830fc1439f0fc3d7153d8804ac3ef851ddfa20
+  languageName: node
+  linkType: hard
+
 "unist-util-visit@npm:^4.0.0":
   version: 4.1.2
   resolution: "unist-util-visit@npm:4.1.2"
@@ -12693,6 +12795,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"vfile-message@npm:^4.0.0":
+  version: 4.0.2
+  resolution: "vfile-message@npm:4.0.2"
+  dependencies:
+    "@types/unist": ^3.0.0
+    unist-util-stringify-position: ^4.0.0
+  checksum: 964e7e119f4c0e0270fc269119c41c96da20afa01acb7c9809a88365c8e0c64aa692fafbd952669382b978002ecd7ad31ef4446d85e8a22cdb62f6df20186c2d
+  languageName: node
+  linkType: hard
+
 "vfile@npm:^5.0.0":
   version: 5.3.7
   resolution: "vfile@npm:5.3.7"
@@ -12705,6 +12817,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"vfile@npm:^6.0.0":
+  version: 6.0.1
+  resolution: "vfile@npm:6.0.1"
+  dependencies:
+    "@types/unist": ^3.0.0
+    unist-util-stringify-position: ^4.0.0
+    vfile-message: ^4.0.0
+  checksum: 05ccee73aeb00402bc8a5d0708af299e9f4a33f5132805449099295085e3ca3b0d018328bad9ff44cf2e6f4cd364f1d558d3fb9b394243a25b2739207edcb0ed
+  languageName: node
+  linkType: hard
+
 "victory-vendor@npm:^36.6.8":
   version: 36.6.11
   resolution: "victory-vendor@npm:36.6.11"