130 lines
5.0 KiB
Plaintext
130 lines
5.0 KiB
Plaintext
import { Deref, Pushref } from '../deref/index.mjs';
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import { Kind } from '../../type/symbols/index.mjs';
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// ------------------------------------------------------------------
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// KindGuard
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// ------------------------------------------------------------------
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import { IsTransform, IsSchema } from '../../type/guard/kind.mjs';
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// ------------------------------------------------------------------
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// ValueGuard
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// ------------------------------------------------------------------
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import { IsUndefined } from '../guard/index.mjs';
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// prettier-ignore
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function FromArray(schema, references) {
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return IsTransform(schema) || Visit(schema.items, references);
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}
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// prettier-ignore
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function FromAsyncIterator(schema, references) {
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return IsTransform(schema) || Visit(schema.items, references);
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}
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// prettier-ignore
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function FromConstructor(schema, references) {
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return IsTransform(schema) || Visit(schema.returns, references) || schema.parameters.some((schema) => Visit(schema, references));
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}
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// prettier-ignore
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function FromFunction(schema, references) {
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return IsTransform(schema) || Visit(schema.returns, references) || schema.parameters.some((schema) => Visit(schema, references));
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}
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// prettier-ignore
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function FromIntersect(schema, references) {
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return IsTransform(schema) || IsTransform(schema.unevaluatedProperties) || schema.allOf.some((schema) => Visit(schema, references));
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}
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// prettier-ignore
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function FromImport(schema, references) {
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const additional = globalThis.Object.getOwnPropertyNames(schema.$defs).reduce((result, key) => [...result, schema.$defs[key]], []);
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const target = schema.$defs[schema.$ref];
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return IsTransform(schema) || Visit(target, [...additional, ...references]);
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}
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// prettier-ignore
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function FromIterator(schema, references) {
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return IsTransform(schema) || Visit(schema.items, references);
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}
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// prettier-ignore
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function FromNot(schema, references) {
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return IsTransform(schema) || Visit(schema.not, references);
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}
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// prettier-ignore
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function FromObject(schema, references) {
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return (IsTransform(schema) ||
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Object.values(schema.properties).some((schema) => Visit(schema, references)) ||
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(IsSchema(schema.additionalProperties) && Visit(schema.additionalProperties, references)));
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}
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// prettier-ignore
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function FromPromise(schema, references) {
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return IsTransform(schema) || Visit(schema.item, references);
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}
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// prettier-ignore
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function FromRecord(schema, references) {
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const pattern = Object.getOwnPropertyNames(schema.patternProperties)[0];
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const property = schema.patternProperties[pattern];
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return IsTransform(schema) || Visit(property, references) || (IsSchema(schema.additionalProperties) && IsTransform(schema.additionalProperties));
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}
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// prettier-ignore
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function FromRef(schema, references) {
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if (IsTransform(schema))
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return true;
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return Visit(Deref(schema, references), references);
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}
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// prettier-ignore
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function FromThis(schema, references) {
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if (IsTransform(schema))
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return true;
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return Visit(Deref(schema, references), references);
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}
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// prettier-ignore
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function FromTuple(schema, references) {
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return IsTransform(schema) || (!IsUndefined(schema.items) && schema.items.some((schema) => Visit(schema, references)));
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}
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// prettier-ignore
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function FromUnion(schema, references) {
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return IsTransform(schema) || schema.anyOf.some((schema) => Visit(schema, references));
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}
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// prettier-ignore
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function Visit(schema, references) {
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const references_ = Pushref(schema, references);
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const schema_ = schema;
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if (schema.$id && visited.has(schema.$id))
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return false;
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if (schema.$id)
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visited.add(schema.$id);
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switch (schema[Kind]) {
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case 'Array':
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return FromArray(schema_, references_);
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case 'AsyncIterator':
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return FromAsyncIterator(schema_, references_);
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case 'Constructor':
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return FromConstructor(schema_, references_);
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case 'Function':
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return FromFunction(schema_, references_);
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case 'Import':
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return FromImport(schema_, references_);
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case 'Intersect':
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return FromIntersect(schema_, references_);
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case 'Iterator':
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return FromIterator(schema_, references_);
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case 'Not':
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return FromNot(schema_, references_);
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case 'Object':
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return FromObject(schema_, references_);
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case 'Promise':
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return FromPromise(schema_, references_);
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case 'Record':
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return FromRecord(schema_, references_);
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case 'Ref':
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return FromRef(schema_, references_);
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case 'This':
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return FromThis(schema_, references_);
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case 'Tuple':
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return FromTuple(schema_, references_);
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case 'Union':
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return FromUnion(schema_, references_);
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default:
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return IsTransform(schema);
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}
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}
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const visited = new Set();
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/** Returns true if this schema contains a transform codec */
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export function HasTransform(schema, references) {
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visited.clear();
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return Visit(schema, references);
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}
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