build: separate sveld into a separate build script

package.json

@@ -16,6 +16,7 @@
     "test:preprocess": "node tests/preprocess",
     "build:css": "node scripts/build-css",
     "build:api": "node scripts/build-api",
+    "build:docs": "node scripts/build-docs",
     "build:lib": "rollup -c",
     "prepack": "run-p build:*",
     "format": "prettier --write \"./**/*.{svelte,js,md}\""

rollup.config.js

@@ -3,7 +3,6 @@ import pkg from "./package.json";
 import resolve from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
 import svelte from "rollup-plugin-svelte";
-import sveld from "sveld";
 
 export default ["es", "umd"].map((format) => {
   const UMD = format === "umd";
@@ -23,24 +22,6 @@ export default ["es", "umd"].map((format) => {
       resolve(),
       commonjs(),
       UMD && terser(),
-      UMD &&
-        sveld({
-          glob: true,
-          markdown: true,
-          markdownOptions: {
-            onAppend: (type, document, components) => {
-              if (type === "h1")
-                document.append(
-                  "quote",
-                  `${components.size} components exported from ${pkg.name}@${pkg.version}.`
-                );
-            },
-          },
-          json: true,
-          jsonOptions: {
-            outFile: "docs/src/COMPONENT_API.json",
-          },
-        }),
     ],
   };
 });

scripts/build-docs.js

@@ -0,0 +1,20 @@
+const { sveld } = require("sveld");
+const pkg = require("../package.json");
+
+sveld({
+  glob: true,
+  markdown: true,
+  markdownOptions: {
+    onAppend: (type, document, components) => {
+      if (type === "h1")
+        document.append(
+          "quote",
+          `${components.size} components exported from ${pkg.name}@${pkg.version}.`
+        );
+    },
+  },
+  json: true,
+  jsonOptions: {
+    outFile: "docs/src/COMPONENT_API.json",
+  },
+});