diff --git a/packages/app-mobile/package.json b/packages/app-mobile/package.json
index 94db03ef1..13b15cbd2 100644
--- a/packages/app-mobile/package.json
+++ b/packages/app-mobile/package.json
@@ -89,6 +89,7 @@
     "@codemirror/view": "^6.0.0",
     "@joplin/tools": "~2.9",
     "@lezer/highlight": "^1.0.0",
+    "@types/fs-extra": "^9.0.13",
     "@types/jest": "^28.1.3",
     "@types/react-native": "^0.64.4",
     "@types/react-redux": "^7.1.24",
@@ -104,6 +105,7 @@
     "nodemon": "^2.0.12",
     "ts-jest": "^28.0.5",
     "ts-loader": "^9.3.1",
+    "ts-node": "^10.9.1",
     "typescript": "^4.0.5",
     "uglify-js": "^3.13.10",
     "webpack": "^5.74.0"
diff --git a/packages/app-mobile/tools/buildInjectedJs.ts b/packages/app-mobile/tools/buildInjectedJs.ts
index 9cc66da85..300303e45 100644
--- a/packages/app-mobile/tools/buildInjectedJs.ts
+++ b/packages/app-mobile/tools/buildInjectedJs.ts
@@ -7,7 +7,9 @@ import { mkdirp, readFile, writeFile } from 'fs-extra';
 import { dirname, extname, basename } from 'path';
 const execa = require('execa');
 
-import webpack from 'webpack';
+// We need this to be transpiled to `const webpack = require('webpack')`.
+// As such, do a namespace import. See https://www.typescriptlang.org/tsconfig#esModuleInterop
+import * as webpack from 'webpack';
 
 const rootDir = dirname(dirname(dirname(__dirname)));
 const mobileDir = `${rootDir}/packages/app-mobile`;
diff --git a/yarn.lock b/yarn.lock
index 4f02db6ff..7a3c59202 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2892,6 +2892,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@cspotcode/source-map-support@npm:^0.8.0":
+  version: 0.8.1
+  resolution: "@cspotcode/source-map-support@npm:0.8.1"
+  dependencies:
+    "@jridgewell/trace-mapping": 0.3.9
+  checksum: 5718f267085ed8edb3e7ef210137241775e607ee18b77d95aa5bd7514f47f5019aa2d82d96b3bf342ef7aa890a346fa1044532ff7cc3009e7d24fce3ce6200fa
+  languageName: node
+  linkType: hard
+
 "@develar/schema-utils@npm:~2.6.5":
   version: 2.6.5
   resolution: "@develar/schema-utils@npm:2.6.5"
@@ -4079,6 +4088,7 @@ __metadata:
     "@react-native-community/netinfo": ^6.0.0
     "@react-native-community/push-notification-ios": ^1.6.0
     "@react-native-community/slider": ^3.0.3
+    "@types/fs-extra": ^9.0.13
     "@types/jest": ^28.1.3
     "@types/react-native": ^0.64.4
     "@types/react-redux": ^7.1.24
@@ -4135,6 +4145,7 @@ __metadata:
     timers: ^0.1.1
     ts-jest: ^28.0.5
     ts-loader: ^9.3.1
+    ts-node: ^10.9.1
     typescript: ^4.0.5
     uglify-js: ^3.13.10
     url: ^0.11.0
@@ -4556,6 +4567,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@jridgewell/trace-mapping@npm:0.3.9":
+  version: 0.3.9
+  resolution: "@jridgewell/trace-mapping@npm:0.3.9"
+  dependencies:
+    "@jridgewell/resolve-uri": ^3.0.3
+    "@jridgewell/sourcemap-codec": ^1.4.10
+  checksum: d89597752fd88d3f3480845691a05a44bd21faac18e2185b6f436c3b0fd0c5a859fbbd9aaa92050c4052caf325ad3e10e2e1d1b64327517471b7d51babc0ddef
+  languageName: node
+  linkType: hard
+
 "@jridgewell/trace-mapping@npm:^0.3.12, @jridgewell/trace-mapping@npm:^0.3.13, @jridgewell/trace-mapping@npm:^0.3.9":
   version: 0.3.14
   resolution: "@jridgewell/trace-mapping@npm:0.3.14"
@@ -6257,6 +6278,34 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@tsconfig/node10@npm:^1.0.7":
+  version: 1.0.9
+  resolution: "@tsconfig/node10@npm:1.0.9"
+  checksum: a33ae4dc2a621c0678ac8ac4bceb8e512ae75dac65417a2ad9b022d9b5411e863c4c198b6ba9ef659e14b9fb609bbec680841a2e84c1172df7a5ffcf076539df
+  languageName: node
+  linkType: hard
+
+"@tsconfig/node12@npm:^1.0.7":
+  version: 1.0.11
+  resolution: "@tsconfig/node12@npm:1.0.11"
+  checksum: 5ce29a41b13e7897a58b8e2df11269c5395999e588b9a467386f99d1d26f6c77d1af2719e407621412520ea30517d718d5192a32403b8dfcc163bf33e40a338a
+  languageName: node
+  linkType: hard
+
+"@tsconfig/node14@npm:^1.0.0":
+  version: 1.0.3
+  resolution: "@tsconfig/node14@npm:1.0.3"
+  checksum: 19275fe80c4c8d0ad0abed6a96dbf00642e88b220b090418609c4376e1cef81bf16237bf170ad1b341452feddb8115d8dd2e5acdfdea1b27422071163dc9ba9d
+  languageName: node
+  linkType: hard
+
+"@tsconfig/node16@npm:^1.0.2":
+  version: 1.0.3
+  resolution: "@tsconfig/node16@npm:1.0.3"
+  checksum: 3a8b657dd047495b7ad23437d6afd20297ce90380ff0bdee93fc7d39a900dbd8d9e26e53ff6b465e7967ce2adf0b218782590ce9013285121e6a5928fbd6819f
+  languageName: node
+  linkType: hard
+
 "@types/accepts@npm:*":
   version: 1.3.5
   resolution: "@types/accepts@npm:1.3.5"
@@ -7699,6 +7748,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"acorn-walk@npm:^8.1.1":
+  version: 8.2.0
+  resolution: "acorn-walk@npm:8.2.0"
+  checksum: 1715e76c01dd7b2d4ca472f9c58968516a4899378a63ad5b6c2d668bba8da21a71976c14ec5f5b75f887b6317c4ae0b897ab141c831d741dc76024d8745f1ad1
+  languageName: node
+  linkType: hard
+
 "acorn@npm:^3.0.4":
   version: 3.3.0
   resolution: "acorn@npm:3.3.0"
@@ -8210,6 +8266,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"arg@npm:^4.1.0":
+  version: 4.1.3
+  resolution: "arg@npm:4.1.3"
+  checksum: 544af8dd3f60546d3e4aff084d451b96961d2267d668670199692f8d054f0415d86fc5497d0e641e91546f0aa920e7c29e5250e99fc89f5552a34b5d93b77f43
+  languageName: node
+  linkType: hard
+
 "argparse@npm:^1.0.7":
   version: 1.0.10
   resolution: "argparse@npm:1.0.10"
@@ -11921,6 +11984,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"create-require@npm:^1.1.0":
+  version: 1.1.1
+  resolution: "create-require@npm:1.1.1"
+  checksum: a9a1503d4390d8b59ad86f4607de7870b39cad43d929813599a23714831e81c520bddf61bcdd1f8e30f05fd3a2b71ae8538e946eb2786dc65c2bbc520f692eff
+  languageName: node
+  linkType: hard
+
 "crelt@npm:^1.0.5":
   version: 1.0.5
   resolution: "crelt@npm:1.0.5"
@@ -23244,7 +23314,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"make-error@npm:1.x":
+"make-error@npm:1.x, make-error@npm:^1.1.1":
   version: 1.3.6
   resolution: "make-error@npm:1.3.6"
   checksum: b86e5e0e25f7f777b77fabd8e2cbf15737972869d852a22b7e73c17623928fccb826d8e46b9951501d3f20e51ad74ba8c59ed584f610526a48f8ccf88aaec402
@@ -32763,6 +32833,44 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ts-node@npm:^10.9.1":
+  version: 10.9.1
+  resolution: "ts-node@npm:10.9.1"
+  dependencies:
+    "@cspotcode/source-map-support": ^0.8.0
+    "@tsconfig/node10": ^1.0.7
+    "@tsconfig/node12": ^1.0.7
+    "@tsconfig/node14": ^1.0.0
+    "@tsconfig/node16": ^1.0.2
+    acorn: ^8.4.1
+    acorn-walk: ^8.1.1
+    arg: ^4.1.0
+    create-require: ^1.1.0
+    diff: ^4.0.1
+    make-error: ^1.1.1
+    v8-compile-cache-lib: ^3.0.1
+    yn: 3.1.1
+  peerDependencies:
+    "@swc/core": ">=1.2.50"
+    "@swc/wasm": ">=1.2.50"
+    "@types/node": "*"
+    typescript: ">=2.7"
+  peerDependenciesMeta:
+    "@swc/core":
+      optional: true
+    "@swc/wasm":
+      optional: true
+  bin:
+    ts-node: dist/bin.js
+    ts-node-cwd: dist/bin-cwd.js
+    ts-node-esm: dist/bin-esm.js
+    ts-node-script: dist/bin-script.js
+    ts-node-transpile-only: dist/bin-transpile.js
+    ts-script: dist/bin-script-deprecated.js
+  checksum: 090adff1302ab20bd3486e6b4799e90f97726ed39e02b39e566f8ab674fd5bd5f727f43615debbfc580d33c6d9d1c6b1b3ce7d8e3cca3e20530a145ffa232c35
+  languageName: node
+  linkType: hard
+
 "tsame@npm:^1.1.2":
   version: 1.1.2
   resolution: "tsame@npm:1.1.2"
@@ -33821,6 +33929,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"v8-compile-cache-lib@npm:^3.0.1":
+  version: 3.0.1
+  resolution: "v8-compile-cache-lib@npm:3.0.1"
+  checksum: 78089ad549e21bcdbfca10c08850022b22024cdcc2da9b168bcf5a73a6ed7bf01a9cebb9eac28e03cd23a684d81e0502797e88f3ccd27a32aeab1cfc44c39da0
+  languageName: node
+  linkType: hard
+
 "v8-compile-cache@npm:^2.0.3":
   version: 2.3.0
   resolution: "v8-compile-cache@npm:2.3.0"
@@ -35336,6 +35451,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"yn@npm:3.1.1":
+  version: 3.1.1
+  resolution: "yn@npm:3.1.1"
+  checksum: 2c487b0e149e746ef48cda9f8bad10fc83693cd69d7f9dcd8be4214e985de33a29c9e24f3c0d6bcf2288427040a8947406ab27f7af67ee9456e6b84854f02dd6
+  languageName: node
+  linkType: hard
+
 "yocto-queue@npm:^0.1.0":
   version: 0.1.0
   resolution: "yocto-queue@npm:0.1.0"