Function isUnionLiteral

dash/extract-meta.js:81–89

const isArray = rawType => reArray.test(rawType);

const isUnionLiteral = typeObj =>
    typeObj.types.every(
        t =>
            t.getFlags() &
            (ts.TypeFlags.StringLiteral |
                ts.TypeFlags.NumberLiteral |
                ts.TypeFlags.EnumLiteral |
                ts.TypeFlags.Undefined)
    );

function logError(error, filePath) {
    if (filePath) {