emberjs/ember.js · error · SyntaxError

Illegal use of ...attributes

Error message

Illegal use of ...attributes

What it means

Error "Illegal use of ...attributes" thrown in emberjs/ember.js.

Source

Thrown at packages/@glimmer/syntax/lib/parser/handlebars-node-visitors.ts:232

    appendChild(parentProgram, node);
  }

  MustacheStatement(rawMustache: HBS.MustacheStatement): ASTv1.MustacheStatement | void {
    this.pendingError?.mustache(this.source.spanFor(rawMustache.loc));

    const { tokenizer } = this;

    if (tokenizer.state === 'comment') {
      this.appendToCommentData(this.sourceForNode(rawMustache));
      return;
    }

    let mustache: ASTv1.MustacheStatement;
    const { escaped, loc, strip } = rawMustache;

    if ('original' in rawMustache.path && rawMustache.path.original === '...attributes') {
      throw generateSyntaxError(
        'Illegal use of ...attributes',
        this.source.spanFor(rawMustache.loc)
      );
    }

    if (isHBSLiteral(rawMustache.path)) {
      mustache = b.mustache({
        path: this.acceptNode<(typeof rawMustache.path)['type']>(rawMustache.path),
        params: [],
        hash: b.hash({ pairs: [], loc: this.source.spanFor(rawMustache.path.loc).collapse('end') }),
        trusting: !escaped,
        loc: this.source.spanFor(loc),
        strip,
      });
    } else {
      const { path, params, hash } = acceptCallNodes(this, rawMustache);
      mustache = b.mustache({
        path,

View on GitHub (pinned to 26f97246a8)

When it happens

Trigger: Thrown at packages/@glimmer/syntax/lib/parser/handlebars-node-visitors.ts:232 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of emberjs/ember.js@26f97246a8 (2026-09-01). Data as JSON: /api/errors/73bfedb4c7fcf5a9. Report an issue: GitHub.