site-builder/craft/src/utils/tiny-invariant-shim.ts

/**
 * Diagnostic shim for tiny-invariant. The prod tiny-invariant strips
 * the failure message, so we lose the actual reason for any Craft.js
 * Invariant. Aliasing tiny-invariant -> this shim restores it.
 */
/**
 * Some Craft.js invariants are used as control-flow (try/catch wraps them
 * to test a condition without explicit branching). Logging every one would
 * drown out the actually-interesting failures. Suppress the well-known
 * "is-it-X check" messages and log only the unfamiliar ones.
 */
const BENIGN = new Set<string>([
  'A top-level Node cannot be moved',
  'Cannot drag a non-canvas Node onto another Node',
]);

export default function invariant(condition: unknown, message?: string | (() => string)): asserts condition {
  if (condition) return;
  const provided = typeof message === 'function' ? message() : message;
  const value = provided ? `Invariant failed: ${provided}` : 'Invariant failed';
  if (!provided || !BENIGN.has(String(provided))) {
    // eslint-disable-next-line no-console
    console.error('[CRAFT INVARIANT]', value);
    // eslint-disable-next-line no-console
    console.error(new Error('stack-only').stack);
  }
  throw new Error(value);
}