@netlify/redirect-parser/lib/results.js

Parses netlify redirects into a js object representation

// If one redirect fails to parse, we still try to return the other ones
export const splitResults = function (results) {
    const redirects = results.filter((result) => !isError(result));
    const errors = results.filter(isError);
    return { redirects, errors };
};
const isError = function (result) {
    return result instanceof Error;
};
// Concatenate an array of `{ redirects, errors }`
export const concatResults = function (resultsArrays) {
    const redirects = resultsArrays.flatMap(getRedirects);
    const errors = resultsArrays.flatMap(getErrors);
    return { redirects, errors };
};
const getRedirects = function ({ redirects }) {
    return redirects;
};
const getErrors = function ({ errors }) {
    return errors;
};