@struktoai/mirage-core/dist/process/config.js

A Unified Virtual Filesystem For AI Agents

export const DEFAULT_PROCESS_PERMISSIONS = Object.freeze({
    list: 'session',
    kill: 'session',
    max: null,
});
const SCOPES = ['session', 'workspace'];
function parseScope(value, key) {
    if (value !== 'session' && value !== 'workspace')
        throw new Error(`invalid processes.${key} scope`);
    return value;
}
/** A profile's `processes`: a bare scope for both, or a mapping of the fields. */
export function parseProcessPermissions(value) {
    if (typeof value === 'string') {
        const scope = parseScope(value, 'list');
        return Object.freeze({ ...DEFAULT_PROCESS_PERMISSIONS, list: scope, kill: scope });
    }
    if (typeof value !== 'object' ||
        value === null ||
        Array.isArray(value) ||
        (Object.getPrototypeOf(value) !== Object.prototype && Object.getPrototypeOf(value) !== null))
        throw new Error('processes must be a scope or a mapping');
    const out = {
        ...DEFAULT_PROCESS_PERMISSIONS,
    };
    for (const [key, v] of Object.entries(value)) {
        if (key === 'max') {
            if (v !== null && !(Number.isInteger(v) && v >= 1))
                throw new Error('processes.max must be a positive integer');
            out.max = v;
        }
        else if (key === 'list' || key === 'kill')
            out[key] = parseScope(v, key);
        else
            throw new Error(`processes: unknown field ${key}`);
    }
    if (SCOPES.indexOf(out.kill) > SCOPES.indexOf(out.list))
        throw new Error('processes.kill cannot reach past processes.list');
    return Object.freeze(out);
}
export function restrictProcesses(a, b) {
    const min = (x, y) => SCOPES[Math.min(SCOPES.indexOf(x), SCOPES.indexOf(y))] ?? 'session';
    const caps = [a.max, b.max].filter((cap) => cap !== null);
    return Object.freeze({
        list: min(a.list, b.list),
        kill: min(a.kill, b.kill),
        max: caps.length === 0 ? null : Math.min(...caps),
    });
}
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