Method delete

www/js/_hyperscript.js:4524–4539

(ctx, lhs)

      lhs.root[lhs.index] = value;
    }
    delete(ctx, lhs) {
      if (this.andBefore || this.andAfter) {
        throw new Error("Cannot remove a slice - use a single index");
      }
      ctx.meta.runtime.nullCheck(lhs.root, this.root);
      var runtime2 = ctx.meta.runtime;
      var root = lhs.root;
      var idx = lhs.index;
      if (Array.isArray(root)) {
        if (idx < 0) idx = root.length + idx;
        root.splice(idx, 1);
      } else {
        delete root[idx];
      }
      runtime2.notifyMutation(root);
    }
  };
  var MathOperator = class _MathOperator extends Expression {
    static grammarName = "mathOperator";