diff --git a/.eslintignore b/.eslintignore
index e877e0062b6..f0d962bb0f4 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -8,7 +8,7 @@ lib/javascripts/locale/
 lib/javascripts/messageformat.js
 lib/highlight_js/
 plugins/**/lib/javascripts/locale
-public/javascripts/
+public/
 vendor/
 test/javascripts/test_helper.js
 test/javascripts/fixtures
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1febe5632a1..b4a15c0fb1b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -136,27 +136,48 @@ jobs:
           bin/rake parallel:create
           bin/rake parallel:migrate
 
-      - name: Rubocop
-        if: env.BUILD_TYPE == 'LINT'
+      - name: Rubocop (core and core plugins)
+        if: env.BUILD_TYPE == 'LINT' && env.TARGET == 'CORE'
         run: bundle exec rubocop .
 
-      - name: ESLint
-        if: env.BUILD_TYPE == 'LINT'
-        run: |
-          yarn eslint app/assets/javascripts test/javascripts
-          yarn eslint --global I18n --ext .es6 plugins
+      - name: Rubocop (all plugins)
+        if: env.BUILD_TYPE == 'LINT' && env.TARGET == 'PLUGINS'
+        run: bundle exec rubocop plugins
 
-      - name: Core Prettier
+      - name: ESLint (core)
+        if: env.BUILD_TYPE == 'LINT' && env.TARGET == 'CORE'
+        run: yarn eslint app/assets/javascripts test/javascripts
+
+      - name: ESLint (core plugins)
+        if: env.BUILD_TYPE == 'LINT' && env.TARGET == 'CORE'
+        run: |
+          yarn eslint plugins/**/assets/javascripts plugins/**/test/javascripts
+          yarn eslint --global I18n --ext .es6 plugins/**/assets/javascripts plugins/**/test/javascripts
+
+      - name: ESLint (all plugins)
+        if: env.BUILD_TYPE == 'LINT' && env.TARGET == 'PLUGINS'
+        run: |
+          yarn eslint plugins/**/assets/javascripts plugins/**/test/javascripts
+          yarn eslint --global I18n --ext .es6 plugins/**/assets/javascripts plugins/**/test/javascripts
+
+      - name: Prettier (core and core plugins)
         if: env.BUILD_TYPE == 'LINT' && env.TARGET == 'CORE'
         run: |
           yarn prettier -v
-          yarn prettier --list-different "app/assets/stylesheets/**/*.scss" "app/assets/javascripts/**/*.{js,es6}" "test/javascripts/**/*.{js,es6}"
+          yarn prettier --list-different \
+            "app/assets/stylesheets/**/*.scss" \
+            "app/assets/javascripts/**/*.{js,es6}" \
+            "test/javascripts/**/*.{js,es6}" \
+            "plugins/**/assets/stylesheets/**/*.scss" \
+            "plugins/**/assets/javascripts/**/*.{js,es6}"
 
-      - name: Plugin Prettier
+      - name: Prettier (all plugins)
         if: env.BUILD_TYPE == 'LINT' && env.TARGET == 'PLUGINS'
         run: |
           yarn prettier -v
-          yarn prettier --list-different "plugins/**/assets/stylesheets/**/*.scss" "plugins/**/assets/javascripts/**/*.{js,es6}"
+          yarn prettier --list-different \
+            "plugins/**/assets/stylesheets/**/*.scss" \
+            "plugins/**/assets/javascripts/**/*.{js,es6}"
 
       - name: Core English locale
         if: env.BUILD_TYPE == 'LINT' && env.TARGET == 'CORE'
diff --git a/.prettierignore b/.prettierignore
index 019b7b87a0b..b97584a5f29 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -5,3 +5,21 @@ package.json
 config/locales/**/*.yml
 !config/locales/**/*.en*.yml
 script/import_scripts/**/*.yml
+
+app/assets/javascripts/env.js
+app/assets/javascripts/main_include_admin.js
+app/assets/javascripts/vendor.js
+app/assets/javascripts/locales/i18n.js
+app/assets/javascripts/ember-addons/
+app/assets/javascripts/discourse/lib/autosize.js
+lib/javascripts/locale/
+lib/javascripts/messageformat.js
+lib/highlight_js/
+plugins/**/lib/javascripts/locale
+public/
+vendor/
+test/javascripts/test_helper.js
+test/javascripts/fixtures
+test/javascripts/helpers/assertions.js
+node_modules/
+dist/
diff --git a/package.json b/package.json
index 22890f390cd..e17f8bbb70f 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,8 @@
     "ember-template-lint": "^2.5.2",
     "eslint-config-discourse": "latest",
     "eslint-plugin-discourse-ember": "latest",
+    "eslint-plugin-ember": "^7.7.1",
+    "eslint-plugin-node": "^10.0.0",
     "lodash-cli": "https://github.com/lodash-archive/lodash-cli.git",
     "pretender": "^1.6",
     "puppeteer": "1.20",
diff --git a/yarn.lock b/yarn.lock
index 64bc5839b73..7fdf765503d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -100,6 +100,11 @@
     exec-sh "^0.3.2"
     minimist "^1.2.0"
 
+"@ember-data/rfc395-data@^0.0.4":
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/@ember-data/rfc395-data/-/rfc395-data-0.0.4.tgz#ecb86efdf5d7733a76ff14ea651a1b0ed1f8a843"
+  integrity sha512-tGRdvgC9/QMQSuSuJV45xoyhI0Pzjm7A9o/MVVA3HakXIImJbbzx/k/6dO9CUEQXIyS2y0fW6C1XaYOG7rY0FQ==
+
 "@fortawesome/fontawesome-free@5.11.2":
   version "5.11.2"
   resolved "https://registry.yarnpkg.com/@fortawesome/fontawesome-free/-/fontawesome-free-5.11.2.tgz#8644bc25b19475779a7b7c1fc104bc0a794f4465"
@@ -917,6 +922,19 @@ doctrine@^2.1.0:
   dependencies:
     esutils "^2.0.2"
 
+dot-case@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/dot-case/-/dot-case-3.0.3.tgz#21d3b52efaaba2ea5fda875bb1aa8124521cf4aa"
+  integrity sha512-7hwEmg6RiSQfm/GwPL4AAWXKy3YNNZA3oFv2Pdiey0mwkRCPZ9x6SZbkLcn8Ma5PYeVokzoD4Twv2n7LKp5WeA==
+  dependencies:
+    no-case "^3.0.3"
+    tslib "^1.10.0"
+
+ember-rfc176-data@^0.3.12:
+  version "0.3.13"
+  resolved "https://registry.yarnpkg.com/ember-rfc176-data/-/ember-rfc176-data-0.3.13.tgz#ed1712a26e65fec703655f35410414aa1982cf3b"
+  integrity sha512-m9JbwQlT6PjY7x/T8HslnXP7Sz9bx/pz3FrNfNi2NesJnbNISly0Lix6NV1fhfo46572cpq4jrM+/6yYlMefTQ==
+
 ember-template-lint@^2.5.2:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-2.8.0.tgz#01ddc6daf9c8497fe5cfcc55cde25f203a7d8bd3"
@@ -1002,6 +1020,23 @@ eslint-plugin-discourse-ember@latest:
   dependencies:
     requireindex "~1.1.0"
 
+eslint-plugin-ember@^7.7.1:
+  version "7.13.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-7.13.0.tgz#a1df7794f06cdc6e1b8acfe6c59db5cf861f53dc"
+  integrity sha512-qIbw4uP0qUJoiWF4+7MTJWqwEN86RGmBNId0cwSoHoVNWtcw50R1ajYgxM1Q5FVUdoisVeSl9lKVRh5zkDFl+g==
+  dependencies:
+    "@ember-data/rfc395-data" "^0.0.4"
+    ember-rfc176-data "^0.3.12"
+    snake-case "^3.0.3"
+
+eslint-plugin-es@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-es/-/eslint-plugin-es-2.0.0.tgz#0f5f5da5f18aa21989feebe8a73eadefb3432976"
+  integrity sha512-f6fceVtg27BR02EYnBhgWLFQfK6bN4Ll0nQFrBHOlCsAyxeZkn0NHns5O0YZOPrV1B3ramd6cgFwaoFLcSkwEQ==
+  dependencies:
+    eslint-utils "^1.4.2"
+    regexpp "^3.0.0"
+
 eslint-plugin-lodash@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-lodash/-/eslint-plugin-lodash-6.0.0.tgz#70fa487ab632e62627ecf01ad3e85c228e3ab9d3"
@@ -1009,6 +1044,18 @@ eslint-plugin-lodash@^6.0.0:
   dependencies:
     lodash "^4.17.15"
 
+eslint-plugin-node@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-node/-/eslint-plugin-node-10.0.0.tgz#fd1adbc7a300cf7eb6ac55cf4b0b6fc6e577f5a6"
+  integrity sha512-1CSyM/QCjs6PXaT18+zuAXsjXGIGo5Rw630rSKwokSs2jrYURQc4R5JZpoanNCqwNmepg+0eZ9L7YiRUJb8jiQ==
+  dependencies:
+    eslint-plugin-es "^2.0.0"
+    eslint-utils "^1.4.2"
+    ignore "^5.1.1"
+    minimatch "^3.0.4"
+    resolve "^1.10.1"
+    semver "^6.1.0"
+
 eslint-scope@3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
@@ -1025,11 +1072,23 @@ eslint-scope@^3.7.1:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
+eslint-utils@^1.4.2:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-1.4.3.tgz#74fec7c54d0776b6f67e0251040b5806564e981f"
+  integrity sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==
+  dependencies:
+    eslint-visitor-keys "^1.1.0"
+
 eslint-visitor-keys@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
   integrity sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==
 
+eslint-visitor-keys@^1.1.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz#30ebd1ef7c2fdff01c3a4f151044af25fab0523e"
+  integrity sha512-6J72N8UNa462wa/KFODt/PJ3IU60SDpC3QXC1Hjc1BXXpfL2C9R5+AU7jhe0F6GREqVMh4Juu+NY7xn+6dipUQ==
+
 eslint@^4.19:
   version "4.19.1"
   resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
@@ -1537,6 +1596,11 @@ ignore@^3.3.3:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.10.tgz#0a97fb876986e8081c631160f8f9f389157f0043"
   integrity sha512-Pgs951kaMm5GXP7MOvxERINe3gsaVjUWFm+UZPSq9xYriQAksyhg0csnS0KXSNRD5NmNdapXEpjxG49+AKh/ug==
 
+ignore@^5.1.1:
+  version "5.1.8"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.1.8.tgz#f150a8b50a34289b33e22f5889abd4d8016f0e57"
+  integrity sha512-BMpfD7PpiETpBl/A6S498BaIJ6Y/ABT93ETbby2fP00v4EbvPBXWEoaR1UBPKs3iR53pJY7EtZk5KACI57i1Uw==
+
 ignore@^5.1.4:
   version "5.1.6"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.1.6.tgz#643194ad4bf2712f37852e386b6998eff0db2106"
@@ -1941,6 +2005,13 @@ loose-envify@^1.0.0:
   dependencies:
     js-tokens "^3.0.0 || ^4.0.0"
 
+lower-case@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/lower-case/-/lower-case-2.0.1.tgz#39eeb36e396115cc05e29422eaea9e692c9408c7"
+  integrity sha512-LiWgfDLLb1dwbFQZsSglpRj+1ctGnayXz3Uv0/WO8n558JycT5fg6zkNcnW0G68Nn0aEldTFeEfmjCfmqry/rQ==
+  dependencies:
+    tslib "^1.10.0"
+
 lru-cache@^4.0.1:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.5.tgz#8bbe50ea85bed59bc9e33dcab8235ee9bcf443cd"
@@ -2175,6 +2246,14 @@ nise@^4.0.1:
     just-extend "^4.0.2"
     path-to-regexp "^1.7.0"
 
+no-case@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/no-case/-/no-case-3.0.3.tgz#c21b434c1ffe48b39087e86cfb4d2582e9df18f8"
+  integrity sha512-ehY/mVQCf9BL0gKfsJBvFJen+1V//U+0HQMPrWct40ixE4jnv0bfvxDbWtAHL9EcaPEOJHVVYKoQn1TlZUB8Tw==
+  dependencies:
+    lower-case "^2.0.1"
+    tslib "^1.10.0"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -2469,6 +2548,11 @@ regexpp@^1.0.1:
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-1.1.0.tgz#0e3516dd0b7904f413d2d4193dce4618c3a689ab"
   integrity sha512-LOPw8FpgdQF9etWMaAfG/WRthIdXJGYp4mJ2Jgn/2lpkbod9jPn0t9UqN7AxBOKNfzRbYyVfgc7Vk4t/MpnXgw==
 
+regexpp@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.1.0.tgz#206d0ad0a5648cffbdb8ae46438f3dc51c9f78e2"
+  integrity sha512-ZOIzd8yVsQQA7j8GCSlPGXwg5PfmA1mrq0JP4nGhh54LaKN3xdai/vHUDu74pKwV8OxseMS65u2NImosQcSD0Q==
+
 remove-trailing-separator@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
@@ -2532,7 +2616,7 @@ resolve@1.5.0:
   dependencies:
     path-parse "^1.0.5"
 
-resolve@^1.17.0:
+resolve@^1.10.1, resolve@^1.17.0:
   version "1.17.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.17.0.tgz#b25941b54968231cc2d1bb76a79cb7f2c0bf8444"
   integrity sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==
@@ -2665,6 +2749,11 @@ semver@^5.3.0, semver@^5.5.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
+semver@^6.1.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
+  integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
+
 set-blocking@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
@@ -2727,6 +2816,14 @@ slice-ansi@1.0.0:
   dependencies:
     is-fullwidth-code-point "^2.0.0"
 
+snake-case@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/snake-case/-/snake-case-3.0.3.tgz#c598b822ab443fcbb145ae8a82c5e43526d5bbee"
+  integrity sha512-WM1sIXEO+rsAHBKjGf/6R1HBBcgbncKS08d2Aqec/mrDSpU80SiOU41hO7ny6DToHSyrlwTYzQBIK1FPSx4Y3Q==
+  dependencies:
+    dot-case "^3.0.3"
+    tslib "^1.10.0"
+
 snapdragon-node@^2.0.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
@@ -2965,6 +3062,11 @@ trim-right@^1.0.1:
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
   integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
 
+tslib@^1.10.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
+  integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
+
 type-check@~0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"