@struktoai/mirage-core/dist/utils/shlex.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. =========
// Mirror of Python's shlex.split: POSIX shell word splitting with
// single-quote, double-quote, and backslash escape handling.
export function shlexSplit(input) {
    const out = [];
    let cur = '';
    let inSingle = false;
    let inDouble = false;
    let i = 0;
    while (i < input.length) {
        const c = input[i];
        if (c === undefined)
            break;
        if (inSingle) {
            if (c === "'") {
                inSingle = false;
            }
            else {
                cur += c;
            }
            i++;
            continue;
        }
        if (inDouble) {
            if (c === '"') {
                inDouble = false;
            }
            else if (c === '\\' && i + 1 < input.length) {
                const next = input[i + 1];
                if (next === '"' || next === '\\' || next === '$' || next === '`') {
                    cur += next;
                    i += 2;
                    continue;
                }
                cur += c;
            }
            else {
                cur += c;
            }
            i++;
            continue;
        }
        if (c === "'") {
            inSingle = true;
        }
        else if (c === '"') {
            inDouble = true;
        }
        else if (c === '\\' && i + 1 < input.length) {
            cur += input[i + 1] ?? '';
            i += 2;
            continue;
        }
        else if (c === ' ' || c === '\t' || c === '\n') {
            if (cur !== '') {
                out.push(cur);
                cur = '';
            }
        }
        else {
            cur += c;
        }
        i++;
    }
    if (inSingle || inDouble) {
        throw new Error(`unterminated quote in: ${input}`);
    }
    if (cur !== '')
        out.push(cur);
    return out;
}
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