1 files changed, 79 insertions, 0 deletions
diff --git a/scripts/buildPackage.js b/scripts/buildPackage.js
new file mode 100644
index 0000000..653af50
--- /dev/null
+++ b/scripts/buildPackage.js
@@ -0,0 +1,79 @@
+const path = require("path");
+const { build } = require("esbuild");
+const { sassPlugin } = require("esbuild-sass-plugin");
+const { parseEnvVariables } = require("../packages/excalidraw/env.cjs");
+
+const ENV_VARS = {
+  development: {
+    ...parseEnvVariables(`${__dirname}/../.env.development`),
+    DEV: true,
+  },
+  production: {
+    ...parseEnvVariables(`${__dirname}/../.env.production`),
+    PROD: true,
+  },
+};
+
+// excludes all external dependencies and bundles only the source code
+const getConfig = (outdir) => ({
+  outdir,
+  bundle: true,
+  splitting: true,
+  format: "esm",
+  packages: "external",
+  plugins: [sassPlugin()],
+  target: "es2020",
+  assetNames: "[dir]/[name]",
+  chunkNames: "[dir]/[name]-[hash]",
+  alias: {
+    "@excalidraw/excalidraw": path.resolve(__dirname, "../packages/excalidraw"),
+    "@excalidraw/utils": path.resolve(__dirname, "../packages/utils"),
+    "@excalidraw/math": path.resolve(__dirname, "../packages/math"),
+  },
+  loader: {
+    ".woff2": "file",
+  },
+});
+
+function buildDev(config) {
+  return build({
+    ...config,
+    sourcemap: true,
+    define: {
+      "import.meta.env": JSON.stringify(ENV_VARS.development),
+    },
+  });
+}
+
+function buildProd(config) {
+  return build({
+    ...config,
+    minify: true,
+    define: {
+      "import.meta.env": JSON.stringify(ENV_VARS.production),
+    },
+  });
+}
+
+const createESMRawBuild = async () => {
+  const chunksConfig = {
+    entryPoints: ["index.tsx", "**/*.chunk.ts"],
+    entryNames: "[name]",
+  };
+
+  // development unminified build with source maps
+  await buildDev({
+    ...getConfig("dist/dev"),
+    ...chunksConfig,
+  });
+
+  // production minified buld without sourcemaps
+  await buildProd({
+    ...getConfig("dist/prod"),
+    ...chunksConfig,
+  });
+};
+
+(async () => {
+  await createESMRawBuild();
+})();