tools: make update-eslint.sh work with npm@9

.github/workflows/tools.yml

@@ -21,12 +21,11 @@ jobs:
             subsystem: tools
             label: tools
             run: |
-              cd tools
               NEW_VERSION=$(npm view eslint dist-tags.latest)
-              CURRENT_VERSION=$(node -p "require('./node_modules/eslint/package.json').version")
+              CURRENT_VERSION=$(node -p "require('./tools/node_modules/eslint/package.json').version")
               if [ "$NEW_VERSION" != "$CURRENT_VERSION" ]; then
                 echo "NEW_VERSION=$NEW_VERSION" >> $GITHUB_ENV
-                ./update-eslint.sh
+                ./tools/dep_updaters/update-eslint.sh
               fi
           - id: corepack
             subsystem: deps

tools/dep_updaters/update-eslint.sh

@@ -0,0 +1,65 @@
+#!/bin/sh
+
+# Shell script to update ESLint in the source tree to the latest release.
+
+# This script must be in the tools directory when it runs because it uses the
+# script source file path to determine directories to work in.
+
+set -ex
+
+cd "$( dirname "$0" )" || exit
+rm -rf ../node_modules/eslint
+(
+    rm -rf eslint-tmp
+    mkdir eslint-tmp
+    cd eslint-tmp || exit
+
+    ROOT="$PWD/../../.."
+    [ -z "$NODE" ] && NODE="$ROOT/out/Release/node"
+    [ -x "$NODE" ] || NODE=$(command -v node)
+    NPM="$ROOT/deps/npm/bin/npm-cli.js"
+
+    "$NODE" "$NPM" init --yes
+
+    "$NODE" "$NPM" install \
+    --ignore-scripts \
+    --install-strategy=shallow \
+    --no-bin-links \
+    eslint
+    # Uninstall plugins that we want to install so that they are removed from
+    # devDependencies. Otherwise --omit=dev will cause them to be skipped.
+    (
+        cd node_modules/eslint
+        "$NODE" "$NPM" uninstall \
+        --install-links=false \
+        --ignore-scripts \
+        eslint-plugin-jsdoc \
+        eslint-plugin-markdown \
+        @babel/core \
+        @babel/eslint-parser \
+        @babel/plugin-syntax-import-assertions
+    )
+    (
+        cd node_modules/eslint
+        "$NODE" "$NPM" install \
+        --ignore-scripts \
+        --install-links=false \
+        --no-bin-links \
+        --no-save \
+        --omit=dev \
+        --omit=peer \
+        eslint-plugin-jsdoc \
+        eslint-plugin-markdown \
+        @babel/core \
+        @babel/eslint-parser \
+        @babel/plugin-syntax-import-assertions
+    )
+    # Use dmn to remove some unneeded files.
+    "$NODE" "$NPM" exec --package=dmn@2.2.2 --yes -- dmn -f clean
+    # TODO: Get this into dmn.
+    find node_modules -name .package-lock.json -exec rm {} \;
+    find node_modules -name 'README*' -exec rm {} \;
+)
+
+mv eslint-tmp/node_modules/eslint ../node_modules/eslint
+rm -rf eslint-tmp/