json-expression-eval/dist/types/expressionParts.d.ts

json serializable rule engine / boolean expression evaluator

import { Context, FunctionsTable, Primitive, StringPaths } from './evaluator';
import { FilterNever, Path, Split } from './utils';
type GetPartType<V> = V extends string ? 'string' : V extends number ? 'number' : V extends boolean ? 'boolean' : V extends Array<infer N> ? GetPartType<N> : never;
interface ExpressionFunctionPart<C extends Context, F extends FunctionsTable<C, CustomEvaluatorFuncRunOptions>, K extends keyof F, CustomEvaluatorFuncRunOptions> {
    type: GetPartType<Parameters<F[K]>[0]>;
    isArray: Parameters<F[K]>[0] extends Array<any> ? true : false;
    propertyPath: K;
    isFunction: true;
}
type ExpressionFunctionParts<C extends Context, F extends FunctionsTable<C, CustomEvaluatorFuncRunOptions>, Extra extends object, CustomEvaluatorFuncRunOptions> = {
    [K in keyof F]: ExpressionFunctionPart<C, F, K, CustomEvaluatorFuncRunOptions> & Extra;
};
interface ExpressionContextPart<V, P extends string> {
    type: GetPartType<V>;
    isArray: false;
    propertyPath: P;
    isFunction: false;
}
type ExpressionContextParts<C extends Context, Extra extends object, Ignore> = {
    [K in StringPaths<C, Ignore>]: Path<C, Split<K, '.'>> extends Primitive ? ExpressionContextPart<Path<C, Split<K, '.'>>, K> & Extra : never;
};
export type ExpressionParts<C extends Context, F extends FunctionsTable<C, CustomEvaluatorFuncRunOptions>, Extra extends object, Ignore, CustomEvaluatorFuncRunOptions> = ExpressionFunctionParts<C, F, Extra, CustomEvaluatorFuncRunOptions> & FilterNever<ExpressionContextParts<C, Extra, Ignore>>;
export {};