"use strict";
/**
 * Command Argument Projection Module (ADR-457 build-at-publish: the
 * hand-written bin/lib/command-arg-projection.cjs collapsed to a TypeScript
 * source of truth). Behaviour is preserved byte-for-behaviour from the prior
 * hand-written .cjs; only types are added.
 *
 * Shared helpers for command-family adapters to project argv tokens into
 * typed named values and multi-word segments.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseNamedArgs = parseNamedArgs;
exports.parseMultiwordArg = parseMultiwordArg;
/**
 * Extract named --flag <value> pairs from an args array.
 * Returns an object mapping flag names to their values (null if absent).
 * Flags listed in `booleanFlags` are treated as booleans.
 */
function parseNamedArgs(args, valueFlags = [], booleanFlags = []) {
    // Index each token's first position once (firstIndex.get(t) ?? -1 === args.indexOf(t),
    // firstIndex.has(t) === args.includes(t)) so the flag loops below don't each re-scan
    // argv — O(argv + flags) instead of O(flags * argv). Semantics are unchanged. (#312)
    const firstIndex = new Map();
    for (let i = 0; i < args.length; i++) {
        if (!firstIndex.has(args[i]))
            firstIndex.set(args[i], i);
    }
    const result = {};
    for (const flag of valueFlags) {
        const idx = firstIndex.has(`--${flag}`) ? firstIndex.get(`--${flag}`) : -1;
        result[flag] =
            idx !== -1 && args[idx + 1] !== undefined && !args[idx + 1].startsWith('--')
                ? args[idx + 1]
                : null;
    }
    for (const flag of booleanFlags) {
        result[flag] = firstIndex.has(`--${flag}`);
    }
    return result;
}
/**
 * Collect all tokens after --flag until the next --flag or end of args.
 */
function parseMultiwordArg(args, flag) {
    const idx = args.indexOf(`--${flag}`);
    if (idx === -1)
        return null;
    const tokens = [];
    for (let i = idx + 1; i < args.length; i++) {
        if (args[i].startsWith('--'))
            break;
        tokens.push(args[i]);
    }
    return tokens.length > 0 ? tokens.join(' ') : null;
}