@struktoai/mirage-core/dist/shell/literal.js

A Unified Virtual Filesystem For AI Agents

import { shellJoin } from "./join.js";
/** Construct literal argument words; no argv content is shell-parsed. */
export function literalTree(argv) {
    if (argv.length === 0 || !argv[0] || argv.some((arg) => arg.includes('\0')))
        throw new Error('argv must name a program and contain no NUL bytes');
    let offset = 0;
    const words = argv.map((arg, i) => {
        const text = "'" + arg + "'";
        const word = {
            type: 'raw_string',
            text,
            children: [],
            namedChildren: [],
            startIndex: offset,
            endIndex: offset + text.length,
            isNamed: true,
        };
        offset += text.length + 1;
        if (i !== 0)
            return word;
        const name = {
            isNamed: true,
            type: 'command_name',
            text: arg,
            children: [word],
            namedChildren: [word],
            startIndex: 0,
            endIndex: text.length,
        };
        word.parent = name;
        return name;
    });
    const text = shellJoin(argv);
    const command = {
        isNamed: true,
        type: 'command',
        text,
        children: words,
        namedChildren: words,
        startIndex: 0,
        endIndex: text.length,
    };
    for (const word of words)
        word.parent = command;
    const program = {
        isNamed: true,
        type: 'program',
        text,
        children: [command],
        namedChildren: [command],
        startIndex: 0,
        endIndex: text.length,
    };
    command.parent = program;
    return program;
}
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