debug: trim down list of versions to update

.gitignore

@@ -6,3 +6,7 @@ node_modules
 
 # CI generated files
 collected-json
+jsons
+new-versions.txt
+node-versions.json
+total-unique-versions.txt

scripts/get-new-node-versions.ts

@@ -19,4 +19,4 @@ const indexedVersions = Object.keys(indexedJson);
 // Find the unique list of "version" keys that are in nodeJson and not in indexedJson
 const uniqueVersions = nodeVersions.filter(version => !indexedVersions.includes(version));
 
-console.log(...uniqueVersions);
+console.log(uniqueVersions.join('\n'));

scripts/nvm-iterator.sh

@@ -5,16 +5,19 @@ nvm install --lts
 npm install -g yarn
 yarn
 
-UNIQUE_VERSIONS=$(yarn --silent ts-node -s scripts/get-new-node-versions.ts)
+TOTAL_UNIQUE_VERSIONS=$(yarn --silent ts-node -s scripts/get-new-node-versions.ts)
 
-echo Found unique versions: $UNIQUE_VERSIONS
+echo "$TOTAL_UNIQUE_VERSIONS" > total-unique-versions.txt
+MIN_SUPPORTED_MAJOR="18"
+SUPPORTED_UNIQUE_VERSIONS=$(awk -F. "{if (\$1 >= "$MIN_SUPPORTED_MAJOR") print}" total-unique-versions.txt)
+echo Found unique versions: $SUPPORTED_UNIQUE_VERSIONS
 
 mkdir -p jsons
 
-for version in $UNIQUE_VERSIONS; do
-  echo nvm install $version
-  echo node --version
-  echo node -p "JSON.stringify(process.versions)" > jsons/$version.json
+for version in $SUPPORTED_UNIQUE_VERSIONS; do
+  nvm install $version
+  node --version
+  node -p "JSON.stringify(process.versions)" > jsons/$version.json
 done
 
 ls jsons