diff options
Diffstat (limited to 'src/eval')
| -rw-r--r-- | src/eval/index.ts | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/src/eval/index.ts b/src/eval/index.ts index f80c04d..b4dcf48 100644 --- a/src/eval/index.ts +++ b/src/eval/index.ts @@ -1,23 +1,27 @@ -import {pipe} from 'fp-ts/function'; +import { pipe } from 'fp-ts/function' import { Expr, ListExpr } from '../types' -import {match} from '../utils'; +import { match } from '../utils' export const find = <T>([startO, exprs, endO]: ListExpr, list: T[]): any => { - const check = (expr: Expr) => <T>(x: T, i: number, ls: T[]): boolean => { - return pipe( - expr, - match<boolean, Expr>({ - AnyItem: _ => true, - AnyNumber: _ => typeof x === 'number', - AnyString: _ => typeof x === 'string', - AnyBool: _ => typeof x === 'boolean', - Truthy: _ => !!x, - Falsey: _ => !x, - Group: ({ exprs }) => exprs.every(e => check(e)(x, i, ls)), - _: _ => false, - }) - ) - }; + const check = + (expr: Expr) => + <T>(x: T, i: number, ls: T[]): boolean => { + return pipe( + expr, + match<boolean, Expr>({ + AnyItem: _ => true, + AnyNumber: _ => typeof x === 'number', + AnyString: _ => typeof x === 'string', + AnyBool: _ => typeof x === 'boolean', + Truthy: _ => !!x, + Falsey: _ => !x, + Group: ({ exprs }) => exprs.every(e => check(e)(x, i, ls)), + PropertyMatch: ({ name, exprs }) => + name in x && exprs.every(e => check(e)(x[name], i, ls)), + _: _ => false, + }), + ) + } const cs = exprs.map(check) |
