@mastra/schema-compat/dist/json-to-zod.cjs.map

Tool schema compatibility layer for Mastra.ai

{"version":3,"file":"json-to-zod.cjs","names":["its"],"sources":["../src/json-to-zod.ts"],"sourcesContent":["import type { JsonSchema, JsonSchemaObject, Options, Refs } from 'json-schema-to-zod';\nimport jsonSchemaToZodOriginal, {\n  addJsdocs,\n  its,\n  parseAllOf,\n  parseAnyOf,\n  parseOneOf,\n  parseSchema,\n} from 'json-schema-to-zod';\n\nfunction parseObject(objectSchema: JsonSchemaObject & { type: 'object' }, refs: Refs): string {\n  let properties: string | undefined = undefined;\n\n  if (objectSchema.properties) {\n    if (!Object.keys(objectSchema.properties).length) {\n      properties = 'z.object({})';\n    } else {\n      properties = 'z.object({ ';\n\n      properties += Object.keys(objectSchema.properties)\n        .map(key => {\n          const propSchema = objectSchema.properties![key];\n\n          let result = `${JSON.stringify(key)}: ${parseSchema(propSchema!, {\n            ...refs,\n            path: [...refs.path, 'properties', key],\n          })}`;\n\n          if (refs.withJsdocs && typeof propSchema === 'object') {\n            result = addJsdocs(propSchema, result);\n          }\n\n          const hasDefault = typeof propSchema === 'object' && propSchema.default !== undefined;\n\n          const required = Array.isArray(objectSchema.required)\n            ? objectSchema.required.includes(key)\n            : typeof propSchema === 'object' && propSchema.required === true;\n\n          const optional = !hasDefault && !required;\n\n          return optional ? `${result}.optional()` : result;\n        })\n        .join(', ');\n\n      properties += ' })';\n    }\n  }\n\n  const additionalProperties =\n    objectSchema.additionalProperties !== undefined && objectSchema.additionalProperties !== false\n      ? parseSchema(objectSchema.additionalProperties, {\n          ...refs,\n          path: [...refs.path, 'additionalProperties'],\n        })\n      : undefined;\n\n  let patternProperties: string | undefined = undefined;\n\n  if (objectSchema.patternProperties) {\n    const parsedPatternProperties = Object.fromEntries(\n      Object.entries(objectSchema.patternProperties).map(([key, value]) => {\n        return [\n          key,\n          parseSchema(value, {\n            ...refs,\n            path: [...refs.path, 'patternProperties', key],\n          }),\n        ];\n      }, {}),\n    );\n\n    patternProperties = '';\n\n    if (properties) {\n      if (additionalProperties) {\n        patternProperties += `.catchall(z.union([${[\n          ...Object.values(parsedPatternProperties),\n          additionalProperties,\n        ].join(', ')}]))`;\n      } else if (Object.keys(parsedPatternProperties).length > 1) {\n        patternProperties += `.catchall(z.union([${Object.values(parsedPatternProperties).join(', ')}]))`;\n      } else {\n        patternProperties += `.catchall(${Object.values(parsedPatternProperties)})`;\n      }\n    } else {\n      if (additionalProperties) {\n        patternProperties += `z.record(z.union([${[\n          ...Object.values(parsedPatternProperties),\n          additionalProperties,\n        ].join(', ')}]))`;\n      } else if (Object.keys(parsedPatternProperties).length > 1) {\n        patternProperties += `z.record(z.union([${Object.values(parsedPatternProperties).join(', ')}]))`;\n      } else {\n        patternProperties += `z.record(${Object.values(parsedPatternProperties)})`;\n      }\n    }\n\n    patternProperties += '.superRefine((value, ctx) => {\\n';\n\n    patternProperties += 'for (const key in value) {\\n';\n\n    if (additionalProperties) {\n      if (objectSchema.properties) {\n        patternProperties += `let evaluated = [${Object.keys(objectSchema.properties)\n          .map(key => JSON.stringify(key))\n          .join(', ')}].includes(key)\\n`;\n      } else {\n        patternProperties += `let evaluated = false\\n`;\n      }\n    }\n\n    for (const key in objectSchema.patternProperties) {\n      patternProperties += 'if (key.match(new RegExp(' + JSON.stringify(key) + '))) {\\n';\n      if (additionalProperties) {\n        patternProperties += 'evaluated = true\\n';\n      }\n      patternProperties += 'const result = ' + parsedPatternProperties[key] + '.safeParse(value[key])\\n';\n      patternProperties += 'if (!result.success) {\\n';\n\n      patternProperties += `ctx.addIssue({\n          path: [...ctx.path, key],\n          code: 'custom',\n          message: \\`Invalid input: Key matching regex /\\${key}/ must match schema\\`,\n          params: {\n            issues: result.error.issues\n          }\n        })\\n`;\n\n      patternProperties += '}\\n';\n      patternProperties += '}\\n';\n    }\n\n    if (additionalProperties) {\n      patternProperties += 'if (!evaluated) {\\n';\n      patternProperties += 'const result = ' + additionalProperties + '.safeParse(value[key])\\n';\n      patternProperties += 'if (!result.success) {\\n';\n\n      patternProperties += `ctx.addIssue({\n          path: [...ctx.path, key],\n          code: 'custom',\n          message: \\`Invalid input: must match catchall schema\\`,\n          params: {\n            issues: result.error.issues\n          }\n        })\\n`;\n\n      patternProperties += '}\\n';\n      patternProperties += '}\\n';\n    }\n    patternProperties += '}\\n';\n    patternProperties += '})';\n  }\n\n  let output = properties\n    ? patternProperties\n      ? properties + patternProperties\n      : additionalProperties\n        ? additionalProperties === 'z.never()'\n          ? properties + '.strict()'\n          : properties + `.catchall(${additionalProperties})`\n        : properties\n    : patternProperties\n      ? patternProperties\n      : additionalProperties\n        ? `z.record(${additionalProperties})`\n        : 'z.record(z.any())';\n\n  if (its.an.anyOf(objectSchema)) {\n    output += `.and(${parseAnyOf(\n      {\n        ...objectSchema,\n        anyOf: objectSchema.anyOf.map(x =>\n          typeof x === 'object' && !x.type && (x.properties || x.additionalProperties || x.patternProperties)\n            ? { ...x, type: 'object' }\n            : x,\n        ) as any,\n      },\n      refs,\n    )})`;\n  }\n\n  if (its.a.oneOf(objectSchema)) {\n    output += `.and(${parseOneOf(\n      {\n        ...objectSchema,\n        oneOf: objectSchema.oneOf.map(x =>\n          typeof x === 'object' && !x.type && (x.properties || x.additionalProperties || x.patternProperties)\n            ? { ...x, type: 'object' }\n            : x,\n        ) as any,\n      },\n      refs,\n    )})`;\n  }\n\n  if (its.an.allOf(objectSchema)) {\n    output += `.and(${parseAllOf(\n      {\n        ...objectSchema,\n        allOf: objectSchema.allOf.map(x =>\n          typeof x === 'object' && !x.type && (x.properties || x.additionalProperties || x.patternProperties)\n            ? { ...x, type: 'object' }\n            : x,\n        ) as any,\n      },\n      refs,\n    )})`;\n  }\n\n  return output;\n}\n\nconst parserOverride = (schema: JsonSchemaObject, refs: Refs) => {\n  let parsed = '';\n  let seen = refs.seen.get(schema);\n  if (its.an.anyOf(schema)) {\n    const allObjects = schema.anyOf.every(\n      item => typeof item === 'object' && its.an.object(item) && item.properties !== undefined,\n    );\n    if (schema.anyOf.length > 1 && allObjects) {\n      const propertiesWithConst: string[][] = schema.anyOf.reduce((acc, item) => {\n        if (typeof item === 'object' && its.an.object(item)) {\n          const propertyWithConst = Object.entries(item.properties ?? {}).filter(\n            ([_, value]) => typeof value === 'object' && (value as any)?.const !== undefined,\n          );\n          if (propertyWithConst?.length) {\n            const ppties = propertyWithConst.map(([key, _]) => key);\n            acc.push(ppties);\n          }\n        }\n        return acc;\n      }, [] as string[][]);\n\n      if (propertiesWithConst.length === schema.anyOf.length) {\n        if (seen) {\n          if (seen.r !== undefined) {\n            return seen.r;\n          }\n\n          if (refs.depth === undefined || seen.n >= refs.depth) {\n            return 'z.any()';\n          }\n\n          seen.n += 1;\n        } else {\n          seen = { r: undefined, n: 0 };\n          refs.seen.set(schema, seen);\n        }\n\n        const discriminators =\n          propertiesWithConst.length > 0 && propertiesWithConst[0]\n            ? propertiesWithConst.reduce((common, properties) => {\n                return common.filter(prop => properties.includes(prop));\n              }, propertiesWithConst[0])\n            : [];\n\n        if (discriminators.length > 0) {\n          const discriminator = discriminators[0];\n          if (discriminator) {\n            parsed = `z.discriminatedUnion(\"${discriminator}\", [${schema.anyOf\n              .map((schema, i) =>\n                parseSchema(schema, {\n                  ...refs,\n                  path: [...refs.path, 'anyOf', i],\n                }),\n              )\n              .join(', ')}])`;\n          }\n        }\n      }\n    }\n  } else if (its.an.object(schema)) {\n    if (seen) {\n      if (seen.r !== undefined) {\n        return seen.r;\n      }\n\n      if (refs.depth === undefined || seen.n >= refs.depth) {\n        return 'z.any()';\n      }\n\n      seen.n += 1;\n    } else {\n      seen = { r: undefined, n: 0 };\n      refs.seen.set(schema, seen);\n    }\n\n    parsed = parseObject(schema, refs);\n  }\n  if (parsed) {\n    if (!refs.withoutDescribes) {\n      parsed = addDescribes(schema, parsed);\n    }\n\n    if (!refs.withoutDefaults) {\n      parsed = addDefaults(schema, parsed);\n    }\n\n    parsed = addAnnotations(schema, parsed);\n\n    if (seen) {\n      seen.r = parsed;\n    }\n\n    return parsed;\n  }\n};\n\nconst addDescribes = (schema: JsonSchemaObject, parsed: string): string => {\n  if (schema.description) {\n    parsed += `.describe(${JSON.stringify(schema.description)})`;\n  }\n\n  return parsed;\n};\n\nconst addDefaults = (schema: JsonSchemaObject, parsed: string): string => {\n  if (schema.default !== undefined) {\n    parsed += `.default(${JSON.stringify(schema.default)})`;\n  }\n\n  return parsed;\n};\n\nconst addAnnotations = (schema: JsonSchemaObject, parsed: string): string => {\n  if (schema.readOnly) {\n    parsed += '.readonly()';\n  }\n\n  return parsed;\n};\n\nexport function jsonSchemaToZod(schema: JsonSchema, options: Options = {}): string {\n  const result = jsonSchemaToZodOriginal(schema, { ...options, parserOverride });\n\n  // Fix: The upstream json-schema-to-zod generates TypeScript syntax `reduce<z.ZodError[]>`\n  // in parseOneOf which fails when evaluated at runtime with Function().\n  // This catches any oneOf usage that bypasses our parserOverride (e.g., non-object contexts).\n  // See: https://github.com/mastra-ai/mastra/issues/11610\n  return result.replace(/\\.reduce<[^>]+>/g, '.reduce');\n}\n\n// Re-export all named exports from json-schema-to-zod (excluding the default export)\nexport * from 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