Add exp configuration

Author: schmidt-sebastian

packages/firestore/exp/api-extractor.json

@@ -0,0 +1,8 @@
+{
+  "extends": "../../../config/api-extractor.json",
+  "mainEntryPointFilePath": "../dist/exp/firestore/exp/index.d.ts",
+  "dtsRollup": {
+    "enabled": true,
+    "publicTrimmedFilePath": "../dist/exp/index.d.ts"
+  }
+}

packages/firestore/exp/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@firebase/firestore/exp",
+  "name": "@firebase/firestore-exp",
   "description": "A tree-shakeable version of the Firestore SDK",
   "main": "../dist/exp/index.node.umd.js",
   "main-esm": "../dist/exp/index.node.esm2017.js",

packages/firestore/package.json

@@ -7,14 +7,15 @@
   "description": "The Cloud Firestore component of the Firebase JS SDK.",
   "author": "Firebase <[email protected]> (https://firebase.google.com/)",
   "scripts": {
+    "api-report:exp": "(cd exp; api-extractor run --local --verbose)",
     "api-report:lite": "(cd lite; api-extractor run --local --verbose)",
     "bundle": "rollup -c",
     "build": "run-p 'bundle rollup.config.browser.js' 'bundle rollup.config.browser.memory.js' 'bundle rollup.config.node.js' 'bundle rollup.config.node.memory.js' 'bundle rollup.config.rn.js' 'bundle rollup.config.rn.memory.js' build:lite build:exp",
     "build:scripts": "tsc -moduleResolution node --module commonjs scripts/*.ts && ls scripts/*.js | xargs -I % sh -c 'terser %  -o %'",
     "build:release": "rollup -c rollup.config.es2017.js && rollup -c rollup.config.es5.js",
     "build:deps": "lerna run --scope @firebase/'{app,firestore}' --include-dependencies build",
     "build:console": "node tools/console.build.js",
-    "build:exp": "rollup -c rollup.config.exp.js",
+    "build:exp": "rollup -c rollup.config.exp.js && yarn api-report:exp",
     "build:lite": "rollup -c rollup.config.lite.js && yarn api-report:lite",
     "build:exp:release": "yarn build:exp && yarn build:lite",
     "predev": "yarn prebuild",

packages/firestore/rollup.config.exp.js

@@ -22,6 +22,8 @@ import typescriptPlugin from 'rollup-plugin-typescript2';
 import typescript from 'typescript';
 import path from 'path';
 import sourcemaps from 'rollup-plugin-sourcemaps';
+import copy from 'rollup-plugin-copy';
+import replace from 'rollup-plugin-replace';
 import { terser } from 'rollup-plugin-terser';
 import { importPathTransformer } from '../../scripts/exp/ts-transform-import-path';
 
@@ -41,7 +43,23 @@ const nodePlugins = [
     abortOnError: false,
     transformers: [util.removeAssertTransformer, importPathTransformer]
   }),
-  json({ preferConst: true })
+  json({ preferConst: true }),
+  copy({
+    targets: [
+      {
+        src: 'src/protos',
+        dest: 'dist/exp/src'
+      },
+      {
+        // Copy into generated source files to support API Extractor
+        src: 'src/protos/firestore_proto_api.d.ts',
+        dest: 'dist/exp/firestore/src/protos'
+      }
+    ]
+  }),
+  replace({
+    'process.env.FIRESTORE_PROTO_ROOT': JSON.stringify('src/protos')
+  })
 ];
 
 const browserPlugins = [