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@sinclair/typebox

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Json Schema Type Builder with Static Type Resolution for TypeScript

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.Default = void 0; const index_1 = require("../check/index"); const index_2 = require("../clone/index"); const index_3 = require("../deref/index"); const index_4 = require("../../type/symbols/index"); // ------------------------------------------------------------------ // ValueGuard // ------------------------------------------------------------------ const index_5 = require("../guard/index"); // ------------------------------------------------------------------ // TypeGuard // ------------------------------------------------------------------ const type_1 = require("../../type/guard/type"); // ------------------------------------------------------------------ // ValueOrDefault // ------------------------------------------------------------------ function ValueOrDefault(schema, value) { return value === undefined && 'default' in schema ? (0, index_2.Clone)(schema.default) : value; } // ------------------------------------------------------------------ // IsCheckable // ------------------------------------------------------------------ function IsCheckable(schema) { return (0, type_1.IsSchema)(schema) && schema[index_4.Kind] !== 'Unsafe'; } // ------------------------------------------------------------------ // IsDefaultSchema // ------------------------------------------------------------------ function IsDefaultSchema(value) { return (0, type_1.IsSchema)(value) && 'default' in value; } // ------------------------------------------------------------------ // Types // ------------------------------------------------------------------ function FromArray(schema, references, value) { const defaulted = ValueOrDefault(schema, value); if (!(0, index_5.IsArray)(defaulted)) return defaulted; for (let i = 0; i < defaulted.length; i++) { defaulted[i] = Visit(schema.items, references, defaulted[i]); } return defaulted; } function FromIntersect(schema, references, value) { const defaulted = ValueOrDefault(schema, value); return schema.allOf.reduce((acc, schema) => { const next = Visit(schema, references, defaulted); return (0, index_5.IsObject)(next) ? { ...acc, ...next } : next; }, {}); } function FromObject(schema, references, value) { const defaulted = ValueOrDefault(schema, value); if (!(0, index_5.IsObject)(defaulted)) return defaulted; const additionalPropertiesSchema = schema.additionalProperties; const knownPropertyKeys = Object.getOwnPropertyNames(schema.properties); // properties for (const key of knownPropertyKeys) { if (!IsDefaultSchema(schema.properties[key])) continue; defaulted[key] = Visit(schema.properties[key], references, defaulted[key]); } // return if not additional properties if (!IsDefaultSchema(additionalPropertiesSchema)) return defaulted; // additional properties for (const key of Object.getOwnPropertyNames(defaulted)) { if (knownPropertyKeys.includes(key)) continue; defaulted[key] = Visit(additionalPropertiesSchema, references, defaulted[key]); } return defaulted; } function FromRecord(schema, references, value) { const defaulted = ValueOrDefault(schema, value); if (!(0, index_5.IsObject)(defaulted)) return defaulted; const additionalPropertiesSchema = schema.additionalProperties; const [propertyKeyPattern, propertySchema] = Object.entries(schema.patternProperties)[0]; const knownPropertyKey = new RegExp(propertyKeyPattern); // properties for (const key of Object.getOwnPropertyNames(defaulted)) { if (!(knownPropertyKey.test(key) && IsDefaultSchema(propertySchema))) continue; defaulted[key] = Visit(propertySchema, references, defaulted[key]); } // return if not additional properties if (!IsDefaultSchema(additionalPropertiesSchema)) return defaulted; // additional properties for (const key of Object.getOwnPropertyNames(defaulted)) { if (knownPropertyKey.test(key)) continue; defaulted[key] = Visit(additionalPropertiesSchema, references, defaulted[key]); } return defaulted; } function FromRef(schema, references, value) { return Visit((0, index_3.Deref)(schema, references), references, ValueOrDefault(schema, value)); } function FromThis(schema, references, value) { return Visit((0, index_3.Deref)(schema, references), references, value); } function FromTuple(schema, references, value) { const defaulted = ValueOrDefault(schema, value); if (!(0, index_5.IsArray)(defaulted) || (0, index_5.IsUndefined)(schema.items)) return defaulted; const [items, max] = [schema.items, Math.max(schema.items.length, defaulted.length)]; for (let i = 0; i < max; i++) { if (i < items.length) defaulted[i] = Visit(items[i], references, defaulted[i]); } return defaulted; } function FromUnion(schema, references, value) { const defaulted = ValueOrDefault(schema, value); for (const inner of schema.anyOf) { const result = Visit(inner, references, defaulted); if (IsCheckable(inner) && (0, index_1.Check)(inner, result)) { return result; } } return defaulted; } function Visit(schema, references, value) { const references_ = (0, index_5.IsString)(schema.$id) ? [...references, schema] : references; const schema_ = schema; switch (schema_[index_4.Kind]) { case 'Array': return FromArray(schema_, references_, value); case 'Intersect': return FromIntersect(schema_, references_, value); case 'Object': return FromObject(schema_, references_, value); case 'Record': return FromRecord(schema_, references_, value); case 'Ref': return FromRef(schema_, references_, value); case 'This': return FromThis(schema_, references_, value); case 'Tuple': return FromTuple(schema_, references_, value); case 'Union': return FromUnion(schema_, references_, value); default: return ValueOrDefault(schema_, value); } } /** `[Mutable]` Generates missing properties on a value using default schema annotations if available. This function does not check the value and returns an unknown type. You should Check the result before use. Default is a mutable operation. To avoid mutation, Clone the value first. */ function Default(...args) { return args.length === 3 ? Visit(args[0], args[1], args[2]) : Visit(args[0], [], args[1]); } exports.Default = Default;