fixed CI merge mistake

Author: ota-meshi

tests/dep-time-travel.sh

@@ -10,16 +10,17 @@ npm install --no-save "eslint@${ESLINT_VERSION}" --ignore-scripts
 
 
 
-if [[ -n "$TS_PARSER" ]]; then # if TS parser is manually set, always use it
+if [ "${ESLINT_VERSION}" = '^8.0.0-0' ]; then
+  # workaround for eslint beta.
+  echo "remove this branch when eslint v8 stable version is released."
+elif [[ -n "$TS_PARSER" ]]; then # if TS parser is manually set, always use it
   echo "Downgrading @typescript-eslint/parser..."
   npm i --no-save "@typescript-eslint/parser@${TS_PARSER}"
-elif [[ "$ESLINT_VERSION" =~ "^[0-9]+$" ]] ; then # workaround for eslint beta.
-  if [[ "$ESLINT_VERSION" -lt "5" ]]; then # completely remove the new TypeScript parser for ESLint < v5
-    echo "Removing @typescript-eslint/parser..."
-    npm uninstall --no-save @typescript-eslint/parser
-  elif [[ "$TRAVIS_NODE_VERSION" -lt "10" ]]; then # TS parser 3 requires node 10+
-    npm i --no-save "@typescript-eslint/parser@3"
-  fi
+elif [[ "$ESLINT_VERSION" -lt "5" ]]; then # completely remove the new TypeScript parser for ESLint < v5
+  echo "Removing @typescript-eslint/parser..."
+  npm uninstall --no-save @typescript-eslint/parser
+elif [[ "$TRAVIS_NODE_VERSION" -lt "10" ]]; then # TS parser 3 requires node 10+
+  npm i --no-save "@typescript-eslint/parser@3"
 fi
 
 # use these alternate TypeScript dependencies for ESLint < v4