kepler.gl/src/utils/data-utils.d.ts

kepler.gl is a webgl based application to visualize large scale location data in the browser

import {Millisecond} from 'reducers/types';
import {Layer, Field} from 'reducers/vis-state-updaters';
import {Bounds} from 'reducers/map-state-updaters';
import {DataRow} from './table-utils/data-row';
import {DataContainerInterface} from './table-utils/data-container-interface';

export function maybeToDate(isTime: boolean, fieldIdx: number, format: string, dc: DataContainerInterface, d: {index: number}): any;

export function timeToUnixMilli(value: any, format: string): Millisecond | null;
export function notNullorUndefined<T extends NonNullable<any>>(d: T | null | undefined): d is T;
export function isNumber(d: any): boolean;
export function isPlainObject(d: any): boolean;
export function numberSort(a: any, b: any): any;
export function unique(values: any[]): any[];
export function arrayMove(array: any[], from: number, to: number);
export function getSortingFunction(fieldType: string): numberSort | undefined;
export function preciseRound(num: number, decimals: number): string;
export function parseFieldValue(value: any, type: string): string;
export function getLatLngBounds(
  points: number[][],
  idx: number,
  limit: [number, number]
): [number, number] | null;
export function getSampleData(data: any[], sampleSize?: number, getValue?: any): any[];
export function findMapBounds(layers: Layer[]): Bounds | null;
function formatter(v: any): any;
export function getFormatter(format: any, field?: Field): formatter;
export function defaultFormatter(v: any): string;
export function snapToMarks(value: number, marks: number[]): number;
export function normalizeSliderValue(
  val: number,
  minValue: number,
  step: number,
  marks?: number[]
): number;
export function roundValToStep(minValue: number, step: number, val: number): number;
export function clamp([min, max], val);

export type FieldFormatter = (value: any) => string;
export declare const FIELD_DISPLAY_FORMAT: {
  [key: string]: FieldFormatter;
};

export declare function datetimeFormatter(timezone?: string | null): (format: string) => (ts: number) => string;