[TS/JS] Entry point per namespace

Author: bjornharrtell

.github/workflows/build.yml

@@ -39,7 +39,9 @@ jobs:
         chmod +x flatc
         ./flatc --version
     - name: flatc tests
-      run: python3 tests/flatc/main.py
+      run: |
+        yarn global add esbuild
+        python3 tests/flatc/main.py
     - name: upload build artifacts
       uses: actions/upload-artifact@v1
       with:
@@ -460,7 +462,9 @@ jobs:
       run: yarn compile
     - name: test
       working-directory: tests/ts
-      run: python3 TypeScriptTest.py
+      run: |
+        yarn global add esbuild
+        python3 TypeScriptTest.py
 
   build-dart:
     name: Build Dart

include/flatbuffers/idl.h

@@ -632,7 +632,8 @@ struct IDLOptions {
   bool json_nested_flatbuffers;
   bool json_nested_flexbuffers;
   bool json_nested_legacy_flatbuffers;
-  bool ts_flat_file;
+  bool ts_flat_files;
+  bool ts_entry_points;
   bool no_leak_private_annotations;
 
   // Possible options for the more general generator below.
@@ -732,7 +733,8 @@ struct IDLOptions {
         json_nested_flatbuffers(true),
         json_nested_flexbuffers(true),
         json_nested_legacy_flatbuffers(false),
-        ts_flat_file(false),
+        ts_flat_files(false),
+        ts_entry_points(false),
         no_leak_private_annotations(false),
         mini_reflect(IDLOptions::kNone),
         require_explicit_ids(false),

package.json

@@ -9,16 +9,28 @@
     "mjs/**/*.d.ts",
     "ts/**/*.ts"
   ],
-  "main": "js/index.js",
-  "module": "mjs/index.js",
+  "main": "js/flatbuffers.js",
+  "module": "mjs/flatbuffers.js",
+  "exports": {
+    ".": {
+      "node": {
+        "import": "./mjs/flatbuffers.js",
+        "require": "./js/flatbuffers.js"
+      },
+      "default": "./js/flatbuffers.js"
+    },
+    "./js/flexbuffers.js": {
+      "default": "./js/flexbuffers.js"
+    }
+  },
   "directories": {
     "doc": "docs",
     "test": "tests"
   },
   "scripts": {
     "test": "npm run compile && cd tests/ts && python3 ./TypeScriptTest.py",
     "lint": "eslint ts",
-    "compile": "tsc && tsc -p tsconfig.mjs.json && rollup -c",
+    "compile": "tsc && tsc -p tsconfig.mjs.json && esbuild js/flatbuffers.js --minify --global-name=flatbuffers --bundle --outfile=js/flatbuffers.min.js",
     "prepublishOnly": "npm install --only=dev && npm run compile"
   },
   "repository": {
@@ -40,8 +52,8 @@
     "@types/node": "18.7.16",
     "@typescript-eslint/eslint-plugin": "^5.36.2",
     "@typescript-eslint/parser": "^5.36.2",
+    "esbuild": "^0.15.10",
     "eslint": "^8.23.1",
-    "rollup": "^2.79.0",
     "typescript": "^4.8.3"
   }
 }

rollup.config.js

@@ -263,7 +263,7 @@ def glob(path, pattern):
 
 # Generate the complete flat file TS of monster.
 flatc(
-    ["--ts", "--gen-all", "--ts-flat-files"],
+    ["--ts", "--gen-all"],
     include="include_test",
     schema="monster_test.fbs",
     prefix="ts/ts-flat-files"

scripts/generate_code.py

@@ -218,7 +218,9 @@ const static FlatCOption options[] = {
     "Allow a nested_flatbuffer field to be parsed as a vector of bytes"
     "in JSON, which is unsafe unless checked by a verifier afterwards." },
   { "", "ts-flat-files", "",
-    "Only generated one typescript file per .fbs file." },
+    "Generate a single typescript file per .fbs file. Implies ts_entry_points." },
+  { "", "ts-entry-points", "",
+    "Generate entry point typescript per namespace. Implies gen-all." },
   { "", "annotate", "SCHEMA",
     "Annotate the provided BINARY_FILE with the specified SCHEMA file." },
   { "", "no-leak-private-annotation", "",
@@ -598,7 +600,12 @@ int FlatCompiler::Compile(int argc, const char **argv) {
       } else if (arg == "--json-nested-bytes") {
         opts.json_nested_legacy_flatbuffers = true;
       } else if (arg == "--ts-flat-files") {
-        opts.ts_flat_file = true;
+        opts.ts_flat_files = true;
+        opts.ts_entry_points = true;
+        opts.generate_all = true;
+      } else if (arg == "--ts-entry-points") {
+        opts.ts_entry_points = true;
+        opts.generate_all = true;
       } else if (arg == "--no-leak-private-annotation") {
         opts.no_leak_private_annotations = true;
       } else if (arg == "--annotate") {