Make sure npm run watch builds ESM/UMD bundles

Changes to make sure calling `npm run watch` in any of this
repo's child packages ensures the final bundles are built
after compilation has completed. For the full details on
why this is needed, see:

apollographql/react-apollo#2765

package.json

@@ -97,6 +97,7 @@
     "rollup-plugin-typescript2": "0.18.1",
     "rxjs": "6.4.0",
     "ts-jest": "23.1.4",
+    "tsc-watch": "^2.1.2",
     "tslib": "1.9.3",
     "tslint": "5.12.1",
     "typescript": "3.3.3",

packages/apollo-cache-inmemory/package.json

@@ -34,7 +34,7 @@
     "build": "tsc -b .",
     "postbuild": "npm run bundle",
     "bundle": "../../node_modules/rollup/bin/rollup -c rollup.config.js",
-    "watch": "tsc -w -p .",
+    "watch": "../../node_modules/tsc-watch/index.js --onSuccess \"npm run postbuild\"",
     "clean": "rm -rf coverage/* lib/*",
     "prepublishOnly": "npm run build"
   },

packages/apollo-cache/package.json

@@ -31,7 +31,7 @@
     "build": "tsc -b .",
     "postbuild": "npm run bundle",
     "bundle": "../../node_modules/rollup/bin/rollup -c rollup.config.js",
-    "watch": "tsc -w -p .",
+    "watch": "../../node_modules/tsc-watch/index.js --onSuccess \"npm run postbuild\"",
     "clean": "rm -rf coverage/* lib/*",
     "prepublishOnly": "npm run clean && npm run build"
   },

packages/apollo-client/package.json

@@ -20,7 +20,7 @@
     "build": "tsc -b .",
     "postbuild": "npm run bundle",
     "build:benchmark": "tsc -p tsconfig.benchmark.json",
-    "watch": "tsc -w",
+    "watch": "../../node_modules/tsc-watch/index.js --onSuccess \"npm run postbuild\"",
     "bundle": "../../node_modules/rollup/bin/rollup -c rollup.config.js",
     "lint": "tslint -c \"../../config/tslint.json\" -p tsconfig.json src/*.ts",
     "testonly": "jest",

packages/apollo-utilities/package.json

@@ -31,7 +31,7 @@
     "build": "tsc -b .",
     "postbuild": "npm run bundle",
     "bundle": "../../node_modules/rollup/bin/rollup -c rollup.config.js",
-    "watch": "tsc -w -p .",
+    "watch": "../../node_modules/tsc-watch/index.js --onSuccess \"npm run postbuild\"",
     "clean": "rm -rf coverage/* lib/*",
     "prepublishOnly": "npm run clean && npm run build"
   },

packages/graphql-anywhere/package.json

@@ -13,7 +13,7 @@
     "build": "tsc -b .",
     "postbuild": "npm run bundle",
     "bundle": "../../node_modules/rollup/bin/rollup -c rollup.config.js",
-    "watch": "tsc -w",
+    "watch": "../../node_modules/tsc-watch/index.js --onSuccess \"npm run postbuild\"",
     "prepublishOnly": "npm run build",
     "lint": "tslint -c \"../../config/tslint.json\" -p tsconfig.json src/*.ts",
     "clean": "rm -rf coverage/* lib/*"