Disable dist sourcemaps for publish builds to prevent src 404s (internal-1596)

package.json

@@ -170,7 +170,7 @@
     "test-expressions": "tsx ./test/expression.test.ts",
     "test-typings": "tsx ./build/generate-typed-style-spec.ts && npm run tsc",
     "test-style-spec": "npm test --workspace src/style-spec",
-    "prepublishOnly": "run-s build-dev build-prod-min build-esm-prod-min build-csp build-css build-style-spec build-dts",
+    "prepublishOnly": "NO_DIST_SOURCEMAPS=true run-s build-dev build-prod-min build-esm-prod-min build-csp build-css build-style-spec build-dts",
     "print-release-url": "node build/print-release-url.js",
     "size": "size-limit",
     "check-size": "tsx build/check-size.ts",

rollup.config.csp.js

@@ -1,6 +1,9 @@
 import {plugins} from './build/rollup_plugins.js';
 import banner from './build/banner.js';
 
+const {NO_DIST_SOURCEMAPS} = process.env;
+const disableDistSourcemaps = NO_DIST_SOURCEMAPS === 'true';
+
 // a config for generating a special GL JS bundle with static web worker code (in a separate file)
 // https://github.com/mapbox/mapbox-gl-js/issues/6058
 
@@ -13,7 +16,8 @@ const config = (input, file, format) => ({
         file,
         // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
         format,
-        sourcemap: true,
+        // Allows publish/build scripts to suppress distributable sourcemaps.
+        sourcemap: !disableDistSourcemaps,
         indent: false,
         banner
     },

rollup.config.esm.js

@@ -1,8 +1,9 @@
 import {plugins} from './build/rollup_plugins.js';
 
-const {BUILD, MINIFY} = process.env;
+const {BUILD, MINIFY, NO_DIST_SOURCEMAPS} = process.env;
 const minified = MINIFY === 'true';
 const production = BUILD === 'production';
+const disableDistSourcemaps = NO_DIST_SOURCEMAPS === 'true';
 
 export default () => [
     {
@@ -26,7 +27,8 @@ export default () => [
             exports: 'named',
             minifyInternalExports: true,
             externalLiveBindings: false,
-            sourcemap: true,
+            // Allows publish/build scripts to suppress distributable sourcemaps.
+            sourcemap: !disableDistSourcemaps,
         },
         treeshake: production ? {
             preset: 'smallest',

rollup.config.js

@@ -7,9 +7,10 @@ import browserslistToEsbuild from 'browserslist-to-esbuild';
 import {plugins} from './build/rollup_plugins.js';
 import banner from './build/banner.js';
 
-const {BUILD, MINIFY} = process.env;
+const {BUILD, MINIFY, NO_DIST_SOURCEMAPS} = process.env;
 const minified = MINIFY === 'true';
 const production = BUILD === 'production';
+const disableDistSourcemaps = NO_DIST_SOURCEMAPS === 'true';
 
 function buildType(build, minified) {
     switch (build) {
@@ -71,7 +72,8 @@ export default ({watch}) => {
             name: 'mapboxgl',
             file: outputFile,
             format: 'umd',
-            sourcemap: production ? true : 'inline',
+            // Allows publish/build scripts to suppress distributable sourcemaps.
+            sourcemap: disableDistSourcemaps ? false : production ? true : 'inline',
             indent: false,
             intro: bundlePrelude,
             banner