Files
phosphor-icons/src/state/selectors.ts
Tobias Fried 3a9cf5dc99 Initial commit
2020-07-14 17:41:45 -04:00

42 lines
1.3 KiB
TypeScript

import { selector } from "recoil";
import { searchQueryAtom, styleQueryAtom, IconStyleQuery } from "./atoms";
import { ICON_LIST as list } from "../data/iconList";
import { Icon } from "../lib/Icon";
/**
* SELECTOR
* A selector represents a piece of derived state. Derived state is a transformation of state.
* You can think of derived state as the output of passing state to a pure function that
* modifies the given state in some way:
*/
const isQueryMatch = (icon: Icon, query: string): boolean => {
return (
icon.name.includes(query) ||
icon.tags.some((tag) => tag.toLowerCase().includes(query)) ||
icon.categories.some((category) =>
category.toLowerCase().includes(query)
) ||
icon.style.type.toString().includes(query) ||
!!icon.style.weight?.includes(query)
);
};
const isStyleMatch = (icon: Icon, style: IconStyleQuery): boolean => {
return !style || icon.style.type === style;
};
export const filteredQueryResultsSelector = selector({
key: "filteredQueryResultsSelector",
get: ({ get }) => {
const query = get(searchQueryAtom).trim().toLowerCase();
const style = get(styleQueryAtom);
if (!query && !style) return list;
return list.filter((icon) => {
return isStyleMatch(icon, style) && isQueryMatch(icon, query);
});
},
});