Files
TechRadarAJR/src/model.ts

83 lines
1.7 KiB
TypeScript

import { Ring } from "./config";
export type ItemAttributes = {
name: string;
ring: Ring;
quadrant: string;
title: string;
featured: boolean;
};
export type FlagType = "new" | "changed" | "default";
export type Item = ItemAttributes & {
featured: boolean;
body: string;
info: string;
flag: FlagType;
revisions: Revision[];
};
export type Revision = ItemAttributes & {
body: string;
fileName: string;
release: string;
};
export type Quadrant = {
[name: string]: Item[];
};
export type Radar = {
items: Item[];
releases: string[];
};
export type Group = {
[quadrant: string]: Quadrant;
};
export const featuredOnly = (items: Item[]) =>
items.filter((item) => item.featured);
export const groupByQuadrants = (items: Item[]): Group =>
items.reduce(
(quadrants, item: Item) => ({
...quadrants,
[item.quadrant]: addItemToQuadrant(quadrants[item.quadrant], item),
}),
{} as { [k: string]: Quadrant }
);
export const groupByFirstLetter = (items: Item[]) => {
const index = items.reduce(
(letterIndex, item) => ({
...letterIndex,
[getFirstLetter(item)]: addItemToList(
letterIndex[getFirstLetter(item)],
item
),
}),
{} as { [k: string]: Item[] }
);
return Object.keys(index)
.sort()
.map((letter) => ({
letter,
items: index[letter],
}));
};
const addItemToQuadrant = (quadrant: Quadrant = {}, item: Item): Quadrant => ({
...quadrant,
[item.ring]: addItemToRing(quadrant[item.ring], item),
});
const addItemToList = (list: Item[] = [], item: Item) => [...list, item];
const addItemToRing = (ring: Item[] = [], item: Item) => [...ring, item];
export const getFirstLetter = (item: Item) =>
item.title.substr(0, 1).toUpperCase();