@brimdata/zealot/dist/cjs/zed/utils/flat-columns.js

The Javascript Client for Zed Lakes

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "flatColumns", {
    enumerable: true,
    get: ()=>flatColumns
});
const _typeRecord = require("../types/type-record");
const _trueType = require("./true-type");
function flatColumns(type, columns = [], path = undefined) {
    const record = (0, _trueType.trueType)(type);
    if (!(record instanceof _typeRecord.TypeRecord)) return columns;
    if (record.fields === null) return [];
    for (let f of record.fields){
        const type = (0, _trueType.trueType)(f.type);
        if (type instanceof _typeRecord.TypeRecord) {
            flatColumns(type, columns, !path ? [
                f.name
            ] : [
                ...path,
                f.name
            ]);
        } else {
            columns.push(path ? [
                ...path,
                f.name
            ] : f.name);
        }
    }
    return columns;
}