75 lines
3.2 KiB
Plaintext
75 lines
3.2 KiB
Plaintext
import { CreateType } from '../create/type.mjs';
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import { Computed } from '../computed/index.mjs';
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import { Optional } from '../optional/index.mjs';
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import { Object } from '../object/index.mjs';
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import { Intersect } from '../intersect/index.mjs';
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import { Union } from '../union/index.mjs';
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import { Ref } from '../ref/index.mjs';
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import { Discard } from '../discard/index.mjs';
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import { TransformKind } from '../symbols/index.mjs';
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import { PartialFromMappedResult } from './partial-from-mapped-result.mjs';
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// ------------------------------------------------------------------
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// KindGuard
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// ------------------------------------------------------------------
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import * as KindGuard from '../guard/kind.mjs';
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// prettier-ignore
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function FromComputed(target, parameters) {
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return Computed('Partial', [Computed(target, parameters)]);
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}
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// prettier-ignore
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function FromRef($ref) {
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return Computed('Partial', [Ref($ref)]);
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}
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// prettier-ignore
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function FromProperties(properties) {
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const partialProperties = {};
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for (const K of globalThis.Object.getOwnPropertyNames(properties))
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partialProperties[K] = Optional(properties[K]);
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return partialProperties;
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}
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// prettier-ignore
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function FromObject(type) {
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const options = Discard(type, [TransformKind, '$id', 'required', 'properties']);
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const properties = FromProperties(type['properties']);
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return Object(properties, options);
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}
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// prettier-ignore
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function FromRest(types) {
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return types.map(type => PartialResolve(type));
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}
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// ------------------------------------------------------------------
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// PartialResolve
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// ------------------------------------------------------------------
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// prettier-ignore
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function PartialResolve(type) {
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return (
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// Mappable
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KindGuard.IsComputed(type) ? FromComputed(type.target, type.parameters) :
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KindGuard.IsRef(type) ? FromRef(type.$ref) :
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KindGuard.IsIntersect(type) ? Intersect(FromRest(type.allOf)) :
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KindGuard.IsUnion(type) ? Union(FromRest(type.anyOf)) :
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KindGuard.IsObject(type) ? FromObject(type) :
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// Intrinsic
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KindGuard.IsBigInt(type) ? type :
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KindGuard.IsBoolean(type) ? type :
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KindGuard.IsInteger(type) ? type :
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KindGuard.IsLiteral(type) ? type :
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KindGuard.IsNull(type) ? type :
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KindGuard.IsNumber(type) ? type :
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KindGuard.IsString(type) ? type :
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KindGuard.IsSymbol(type) ? type :
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KindGuard.IsUndefined(type) ? type :
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// Passthrough
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Object({}));
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}
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/** `[Json]` Constructs a type where all properties are optional */
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export function Partial(type, options) {
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if (KindGuard.IsMappedResult(type)) {
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return PartialFromMappedResult(type, options);
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}
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else {
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// special: mapping types require overridable options
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return CreateType({ ...PartialResolve(type), ...options });
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}
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}
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