fix(deno): Publish from build directory (#12773)

In #12700 I adjusted
the prepack script to bring back the build directory, but I forgot to
adjust `npm pack X` to make sure we pack the tarball from the `build`
directory. This patch fixes that.

Author: AbhiPrasad

packages/deno/package.json

@@ -41,7 +41,7 @@
     "build:types": "run-s deno-types build:types:tsc build:types:bundle",
     "build:types:tsc": "tsc -p tsconfig.types.json",
     "build:types:bundle": "rollup -c rollup.types.config.mjs",
-    "build:tarball": "node ./scripts/prepack.js && npm pack",
+    "build:tarball": "node ./scripts/prepack.js && npm pack ./build",
     "circularDepCheck": "madge --circular src/index.ts",
     "clean": "rimraf build build-types build-test coverage sentry-deno-*.tgz",
     "prefix": "yarn deno-types",
@@ -55,7 +55,7 @@
     "test:types": "deno check ./build/index.mjs",
     "test:unit": "deno test --allow-read --allow-run",
     "test:unit:update": "deno test --allow-read --allow-write --allow-run -- --update",
-    "yalc:publish": "node ./scripts/prepack.js && yalc publish --push --sig"
+    "yalc:publish": "node ./scripts/prepack.js && yalc publish build --push --sig"
   },
   "volta": {
     "extends": "../../package.json"

packages/deno/scripts/prepack.js

@@ -18,6 +18,8 @@ const ENTRY_POINTS = ['main', 'module', 'types', 'browser'];
 const EXPORT_MAP_ENTRY_POINT = 'exports';
 const TYPES_VERSIONS_ENTRY_POINT = 'typesVersions';
 
+const ASSETS = ['README.md', 'LICENSE', 'package.json', '.npmignore'];
+
 const PACKAGE_JSON = 'package.json';
 
 /**
@@ -52,11 +54,25 @@ if (!fs.existsSync(path.resolve(BUILD_DIR))) {
   process.exit(1);
 }
 
+const buildDirContents = fs.readdirSync(path.resolve(BUILD_DIR));
+
+// copy non-code assets to build dir
+ASSETS.forEach(asset => {
+  const assetPath = path.resolve(asset);
+  if (fs.existsSync(assetPath)) {
+    const destinationPath = path.resolve(BUILD_DIR, path.basename(asset));
+    console.log(`Copying ${path.basename(asset)} to ${path.relative('../..', destinationPath)}.`);
+    fs.copyFileSync(assetPath, destinationPath);
+  }
+});
+
 // package.json modifications
+const newPackageJsonPath = path.resolve(BUILD_DIR, PACKAGE_JSON);
+
 /**
  * @type {PackageJson}
  */
-const newPkgJson = { ...pkgJson };
+const newPkgJson = require(newPackageJsonPath);
 
 // modify entry points to point to correct paths (i.e. strip out the build directory)
 ENTRY_POINTS.filter(entryPoint => newPkgJson[entryPoint]).forEach(entryPoint => {
@@ -100,7 +116,7 @@ if (newPkgJson[TYPES_VERSIONS_ENTRY_POINT]) {
   });
 }
 
-const newPackageJsonPath = path.resolve(BUILD_DIR, PACKAGE_JSON);
+newPkgJson.files = buildDirContents;
 
 // write modified package.json to file (pretty-printed with 2 spaces)
 try {