@struktoai/mirage-core/dist/utils/width.js

A Unified Virtual Filesystem For AI Agents

// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
import { openStreamSync } from "../rs/stream.js";
const DECODER = new TextDecoder();
/** Summed columns from Rust's pinned Unicode table; controls and unassigned
 * characters take none, raw filename surrogates take one. No cursor movement. */
export function textWidth(text) {
    const stream = openStreamSync('width', { text: Array.from(text, (ch) => ch.codePointAt(0) ?? 0) });
    try {
        return Number(DECODER.decode(stream.finish()));
    }
    finally {
        stream.close();
    }
}
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