diff --git a/web/src/pygments_data.ts b/web/src/pygments_data.ts
new file mode 100644
index 0000000000..6a2a404324
--- /dev/null
+++ b/web/src/pygments_data.ts
@@ -0,0 +1,6 @@
+import generated_pygments_data from "../generated/pygments_data.json";
+
+type PygmentsLanguage = {priority: number; pretty_name: string};
+const langs: Record<string, PygmentsLanguage | undefined> = generated_pygments_data.langs;
+
+export {langs};
diff --git a/web/src/realm_playground.ts b/web/src/realm_playground.ts
index a77f5a6aba..fb20d182a6 100644
--- a/web/src/realm_playground.ts
+++ b/web/src/realm_playground.ts
@@ -1,7 +1,9 @@
-import generated_pygments_data from "../generated/pygments_data.json";
+import assert from "minimalistic-assert";
+
 import * as typeahead from "../shared/src/typeahead";
 
 import {$t} from "./i18n";
+import * as pygments_data from "./pygments_data";
 
 type RealmPlayground = {
     id: number;
@@ -42,10 +44,12 @@ export function get_playground_info_for_languages(
 function sort_pygments_pretty_names_by_priority(
     comparator_func: (a: string, b: string) => number,
 ): void {
-    const priority_sorted_pygments_data = Object.entries(generated_pygments_data.langs).sort(
-        ([a], [b]) => comparator_func(a, b),
+    const priority_sorted_pygments_data = Object.entries(pygments_data.langs).sort(([a], [b]) =>
+        comparator_func(a, b),
     );
-    for (const [alias, {pretty_name}] of priority_sorted_pygments_data) {
+    for (const [alias, data] of priority_sorted_pygments_data) {
+        assert(data !== undefined);
+        const pretty_name = data.pretty_name;
         // JS Map remembers the original order of insertion of keys.
         if (map_pygments_pretty_name_to_aliases.has(pretty_name)) {
             map_pygments_pretty_name_to_aliases.get(pretty_name)!.push(alias);
@@ -64,9 +68,9 @@ function sort_pygments_pretty_names_by_priority(
 // deduplicate them.
 export function get_pygments_typeahead_list_for_composebox(): string[] {
     const playground_pygment_langs = [...map_language_to_playground_info.keys()];
-    const generated_pygment_langs = Object.keys(generated_pygments_data.langs);
+    const pygment_langs = Object.keys(pygments_data.langs);
 
-    return [...playground_pygment_langs, ...generated_pygment_langs];
+    return [...playground_pygment_langs, ...pygment_langs];
 }
 
 // This gets the candidate list for showing autocomplete in settings when
diff --git a/web/src/settings_org.js b/web/src/settings_org.js
index 1a07ca7357..0ed9b829a7 100644
--- a/web/src/settings_org.js
+++ b/web/src/settings_org.js
@@ -1,6 +1,5 @@
 import $ from "jquery";
 
-import pygments_data from "../generated/pygments_data.json";
 import render_settings_deactivate_realm_modal from "../templates/confirm_dialog/confirm_deactivate_realm.hbs";
 import render_settings_admin_auth_methods_list from "../templates/settings/admin_auth_methods_list.hbs";
 
@@ -14,6 +13,7 @@ import {$t, $t_html, get_language_name} from "./i18n";
 import * as keydown_util from "./keydown_util";
 import * as loading from "./loading";
 import {page_params} from "./page_params";
+import * as pygments_data from "./pygments_data";
 import * as realm_icon from "./realm_icon";
 import * as realm_logo from "./realm_logo";
 import {realm_user_settings_defaults} from "./realm_user_settings_defaults";
diff --git a/web/src/typeahead_helper.js b/web/src/typeahead_helper.js
index 257859d208..0dcae8218a 100644
--- a/web/src/typeahead_helper.js
+++ b/web/src/typeahead_helper.js
@@ -1,7 +1,6 @@
 import Handlebars from "handlebars/runtime";
 import _ from "lodash";
 
-import pygments_data from "../generated/pygments_data.json";
 import * as typeahead from "../shared/src/typeahead";
 import render_typeahead_list_item from "../templates/typeahead_list_item.hbs";
 
@@ -10,6 +9,7 @@ import * as compose_state from "./compose_state";
 import {page_params} from "./page_params";
 import * as people from "./people";
 import * as pm_conversations from "./pm_conversations";
+import * as pygments_data from "./pygments_data";
 import * as recent_senders from "./recent_senders";
 import * as stream_data from "./stream_data";
 import * as stream_list_sort from "./stream_list_sort";
diff --git a/web/src/ui_init.js b/web/src/ui_init.js
index fdf580366d..657a0eeeb8 100644
--- a/web/src/ui_init.js
+++ b/web/src/ui_init.js
@@ -2,7 +2,6 @@ import $ from "jquery";
 import _ from "lodash";
 
 import generated_emoji_codes from "../../static/generated/emoji/emoji_codes.json";
-import generated_pygments_data from "../generated/pygments_data.json";
 import * as fenced_code from "../shared/src/fenced_code";
 import render_compose from "../templates/compose.hbs";
 import render_message_feed_bottom_whitespace from "../templates/message_feed_bottom_whitespace.hbs";
@@ -87,6 +86,7 @@ import * as pm_list from "./pm_list";
 import * as popover_menus from "./popover_menus";
 import * as popovers from "./popovers";
 import * as presence from "./presence";
+import * as pygments_data from "./pygments_data";
 import * as realm_logo from "./realm_logo";
 import * as realm_playground from "./realm_playground";
 import * as realm_user_settings_defaults from "./realm_user_settings_defaults";
@@ -699,7 +699,7 @@ export function initialize_everything() {
     typing.initialize();
     starred_messages_ui.initialize();
     user_status_ui.initialize();
-    fenced_code.initialize(generated_pygments_data);
+    fenced_code.initialize(pygments_data);
     message_edit_history.initialize();
     hotkey.initialize();
     desktop_integration.initialize();
diff --git a/web/tests/composebox_typeahead.test.js b/web/tests/composebox_typeahead.test.js
index 1b04ebd1e6..f99af30eab 100644
--- a/web/tests/composebox_typeahead.test.js
+++ b/web/tests/composebox_typeahead.test.js
@@ -51,7 +51,7 @@ const compose_pm_pill = zrequire("compose_pm_pill");
 const compose_recipient = zrequire("compose_recipient");
 const composebox_typeahead = zrequire("composebox_typeahead");
 const settings_config = zrequire("settings_config");
-const pygments_data = zrequire("../generated/pygments_data.json");
+const pygments_data = zrequire("pygments_data");
 
 const ct = composebox_typeahead;
 
diff --git a/web/tests/markdown.test.js b/web/tests/markdown.test.js
index e037453dfa..6e3c66cd9b 100644
--- a/web/tests/markdown.test.js
+++ b/web/tests/markdown.test.js
@@ -49,11 +49,11 @@ mock_esm("../src/settings_data", {
 const emoji = zrequire("emoji");
 const emoji_codes = zrequire("../../static/generated/emoji/emoji_codes.json");
 const linkifiers = zrequire("linkifiers");
-const pygments_data = zrequire("../generated/pygments_data.json");
 const fenced_code = zrequire("../shared/src/fenced_code");
 const markdown_config = zrequire("markdown_config");
 const markdown = zrequire("markdown");
 const people = zrequire("people");
+const pygments_data = zrequire("pygments_data");
 const stream_data = zrequire("stream_data");
 const user_groups = zrequire("user_groups");
 
diff --git a/web/tests/realm_playground.test.js b/web/tests/realm_playground.test.js
index 8c0496c010..03055f32ba 100644
--- a/web/tests/realm_playground.test.js
+++ b/web/tests/realm_playground.test.js
@@ -5,9 +5,8 @@ const {strict: assert} = require("assert");
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 
-const pygments_data = zrequire("../generated/pygments_data.json");
-
 const {$t} = zrequire("i18n");
+const pygments_data = zrequire("pygments_data");
 const realm_playground = zrequire("realm_playground");
 const typeahead_helper = zrequire("typeahead_helper");
 
diff --git a/web/tests/typeahead_helper.test.js b/web/tests/typeahead_helper.test.js
index af8494fbf0..c4a336d46d 100644
--- a/web/tests/typeahead_helper.test.js
+++ b/web/tests/typeahead_helper.test.js
@@ -18,7 +18,7 @@ const stream_data = zrequire("stream_data");
 const stream_list_sort = zrequire("stream_list_sort");
 const compose_state = zrequire("compose_state");
 const emoji = zrequire("emoji");
-const pygments_data = zrequire("../generated/pygments_data.json");
+const pygments_data = zrequire("pygments_data");
 const util = zrequire("util");
 const actual_pygments_data = {...pygments_data};
 const ct = zrequire("composebox_typeahead");