No Dead Store

Error

small-rules/no-dead-store

Disallow assignments whose value is never read.

Diagnostic Messages

deadStore

The value assigned to "{{name}}" is never read.

Configuration

This rule does not accept options.

{
  "jsPlugins": [
    "@pobammer-ts/small-rules"
  ],
  "rules": {
    "small-rules/no-dead-store": "error"
  }
}

Examples

Value replaced before use

function refresh() {
  let snapshot = readDisk();
  snapshot = readNetwork();
  return snapshot;
}

Value used conditionally

function render(verbose: boolean) {
  const label = makeLabel();
  if (verbose) printLabel(label);
}