Function checkDependencies

src/jsifier.mjs:219–235

* Hacky attempt to find unused `__deps` entries. This is not enabled by default * but can be enabled by setting CHECK_DEPS above. * TODO: Use a more precise method such as tokenising using acorn.

(symbol, snippet, deps, postset)

 * TODO: Use a more precise method such as tokenising using acorn.
 */
function checkDependencies(symbol, snippet, deps, postset) {
  if (checkDependenciesSkip.has(symbol)) {
    return;
  }
  for (const dep of deps) {
    if (typeof dep === 'function') {
      continue;
    }
    if (checkDependenciesIgnore.has(dep)) {
      continue;
    }
    const mangled = mangleCSymbolName(dep);
    if (!snippet.includes(mangled) && !postset?.includes(mangled)) {
      error(`${symbol}: unused dependency: ${dep}`);
    }
  }
}

function addImplicitDeps(snippet, deps) {
  // There are some common dependencies that we inject automatically by