add add.sh helper for adding dependency and updating licenses

ts/BUILD.bazel

@@ -13,3 +13,8 @@ exports_files([
     ".eslintrc.js",
     "licenses.json",
 ])
+
+alias(
+    name = "yarn",
+    actual = "@nodejs//:yarn_bin",
+)

ts/README.md

@@ -1,6 +1,10 @@
 Anki's TypeScript and Sass dependencies. Some TS/JS code is also
 stored separately in ../qt/aqt/data/web/.
 
+To update all dependencies:
+
+./update.sh
+
 To add a new dev dependency, use something like:
 
-bazel run @nodejs//:yarn add @rollup/plugin-alias -- -D
+./add.sh -D @rollup/plugin-alias

ts/add.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+# Add a dependency (eg 'yarn add ...') and update licenses.
+
+set -e
+
+bazel run yarn -- add $*
+./update-licenses.sh

ts/update-licenses.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+# Dump runtime licenses to licenses.json
+
+set -e
+
+./node_modules/.bin/license-checker-rseidelsohn --production --json \
+    --excludePackages anki --relativeLicensePath \
+    --relativeModulePath > licenses.json

ts/update.sh

@@ -3,7 +3,5 @@
 
 set -e
 
-bazel run @nodejs//:yarn upgrade
-./node_modules/.bin/license-checker-rseidelsohn --production --json \
-    --excludePackages anki --relativeLicensePath \
-    --relativeModulePath > licenses.json
+bazel run yarn upgrade
+./update-licenses.sh