ci: Fix up NPM workflows

.github/workflows/README.md

@@ -56,7 +56,8 @@
 
 ## Required Repo Secrets
  - `RELEASE_PLEASE_TOKEN`: A PAT for `shaka-bot` to run the `release-please`
-   action
+   action.  If missing, the release workflow will use the default
+   `GITHUB_TOKEN`
  - `DOCKERHUB_CI_USERNAME`: The username of the Docker Hub CI account
  - `DOCKERHUB_CI_TOKEN`: An access token for Docker Hub
    - To generate, visit https://hub.docker.com/settings/security

.github/workflows/publish-npm.yaml

@@ -64,14 +64,21 @@ jobs:
           NPM_TAG=$(echo "$GIT_TAG_NAME" | cut -f 1-2 -d .)-latest
           echo "NPM_TAG=$NPM_TAG" >> $GITHUB_ENV
 
+          # Since we also set the package version on-the-fly during publication,
+          # compute that here.  It's the tag without the leading "v".
+          NPM_VERSION=$(echo "$GIT_TAG_NAME" | sed -e 's/^v//')
+          echo "NPM_VERSION=$NPM_VERSION" >> $GITHUB_ENV
+
           # Debug the decisions made here.
           echo "This release: $GIT_TAG_NAME"
           echo "NPM tag: $NPM_TAG"
+          echo "NPM version: $NPM_VERSION"
 
-      - name: Set package name
+      - name: Set package name and version
         run: |
           sed npm/package.json -i \
-              -e 's/"name": ""/"name": "${{ secrets.NPM_PACKAGE_NAME }}"/'
+              -e 's/"name": ""/"name": "${{ secrets.NPM_PACKAGE_NAME }}"/' \
+              -e 's/"version": ""/"version": "$NPM_VERSION"/'
 
       - name: Publish
         env:
@@ -84,6 +91,5 @@ jobs:
 
           # Add the "latest" tag if needed.
           if [[ "${{ github.event.inputs.latest }}" == "true" ]]; then
-            NPM_VERSION=$(npm version --json | jq -r '."shaka-packager"')
             npm dist-tag add "shaka-packager@$NPM_VERSION" latest
           fi

.github/workflows/release-please.yaml

@@ -31,8 +31,6 @@ jobs:
           default-branch: ${{ github.ref_name }}
           # Use a special shaka-bot access token for releases.
           token: ${{ secrets.RELEASE_PLEASE_TOKEN || secrets.GITHUB_TOKEN }}
-          # Update these additional files containing version numbers.
-          extra-files: npm/package.json
           # Temporary settings to bootstrap v3.0.0.
           last-release-sha: 634af6591ce8c701587a78042ae7f81761725710
           bootstrap-sha: 634af6591ce8c701587a78042ae7f81761725710

npm/package.json

@@ -1,7 +1,8 @@
 {
   "name": "",
   "description": "A media packaging tool and SDK.",
-  "version": "0.0.0",
+  "version": "",
+  "private": false,
   "homepage": "https://github.com/shaka-project/shaka-packager",
   "author": "Google",
   "maintainers": [