win32-def/dist/lib/ffi.js

win32 definitions for node-ffi

export function expandFFIParamArray(input) {
    const res = [];
    const tmp = [];
    permute(input, 0, tmp, res);
    return res;
}
function permute(input, index, current, result) {
    if (index === input.length) {
        result.push(current);
        return;
    }
    const item = input[index];
    if (Array.isArray(item)) {
        const len = item.length;
        for (let i = 0; i < len; i += 1) {
            const tmp = item[i] ?? [];
            permute(input, index + 1, current.concat(tmp), result);
        }
    }
    else if (typeof item === 'string') {
        permute(input, index + 1, current.concat([item]), result);
    }
    else {
        throw new TypeError('invalid input');
    }
}
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