@sinclair/typebox
Version:
Json Schema Type Builder with Static Type Resolution for TypeScript
54 lines (52 loc) • 2.15 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Pick = void 0;
const index_1 = require("../intersect/index");
const index_2 = require("../union/index");
const index_3 = require("../object/index");
const index_4 = require("../indexed/index");
const index_5 = require("../discard/index");
const index_6 = require("../symbols/index");
const type_1 = require("../clone/type");
const pick_from_mapped_key_1 = require("./pick-from-mapped-key");
const pick_from_mapped_result_1 = require("./pick-from-mapped-result");
// ------------------------------------------------------------------
// TypeGuard
// ------------------------------------------------------------------
const type_2 = require("../guard/type");
function FromIntersect(T, K) {
return T.map((T) => PickResolve(T, K));
}
// prettier-ignore
function FromUnion(T, K) {
return T.map((T) => PickResolve(T, K));
}
// prettier-ignore
function FromProperties(T, K) {
return K.reduce((Acc, K) => {
return K in T ? { ...Acc, [K]: T[K] } : Acc;
}, {});
}
// ------------------------------------------------------------------
// PickResolve
// ------------------------------------------------------------------
// prettier-ignore
function PickResolve(T, K) {
return ((0, type_2.IsIntersect)(T) ? (0, index_1.Intersect)(FromIntersect(T.allOf, K)) :
(0, type_2.IsUnion)(T) ? (0, index_2.Union)(FromUnion(T.anyOf, K)) :
(0, type_2.IsObject)(T) ? (0, index_3.Object)(FromProperties(T.properties, K)) :
(0, index_3.Object)({}));
}
function Pick(T, K, options = {}) {
// mapped
if ((0, type_2.IsMappedKey)(K))
return (0, pick_from_mapped_key_1.PickFromMappedKey)(T, K, options);
if ((0, type_2.IsMappedResult)(T))
return (0, pick_from_mapped_result_1.PickFromMappedResult)(T, K, options);
// non-mapped
const I = (0, type_2.IsSchema)(K) ? (0, index_4.IndexPropertyKeys)(K) : K;
const D = (0, index_5.Discard)(T, [index_6.TransformKind, '$id', 'required']);
const R = (0, type_1.CloneType)(PickResolve(T, I), options);
return { ...D, ...R };
}
exports.Pick = Pick;