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import logger from "./logger";
type SchemaTypeToTsType = {
[key: string]: any;
};
const PYDANTIC_TYPE_TO_TS_TYPE: SchemaTypeToTsType = {
"string": String,
"integer": Number,
"number": Number,
"boolean": Boolean,
"null": null
};
export function jsonSchemaToTsType(jsonSchema: Record<string, any>): any {
Iif (!jsonSchema.type) {
jsonSchema.type = "string";
}
const type = jsonSchema.type as string;
Iif (type === "array") {
const itemsSchema = jsonSchema.items;
Iif (itemsSchema) {
const ItemType = jsonSchemaToTsType(itemsSchema);
return ItemType;
}
return Array;
}
Iif (type === "object") {
const properties = jsonSchema.properties;
Iif (properties) {
const nestedModel = jsonSchemaToModel(jsonSchema);
return nestedModel;
}
return Object;
}
const tsType = PYDANTIC_TYPE_TO_TS_TYPE[type];
if (tsType !== undefined) {
return tsType;
}
throw new Error(`Unsupported JSON schema type: ${type}`);
}
export function jsonSchemaToTsField(
name: string,
jsonSchema: Record<string, any>,
required: string[]
): [any, any] {
const description = jsonSchema.description;
const examples = jsonSchema.examples || [];
return [
jsonSchemaToTsType(jsonSchema),
{
description: description,
examples: examples,
required: required.includes(name),
default: required.includes(name) ? undefined : null,
},
];
}
function jsonSchemaPropertiesToTSTypes(value: any): z.ZodTypeAny {
Iif(!value.type) {
return z.object({});
}
let zodType;
switch (value.type) {
case "string":
zodType = z.string().describe((value.description || "") + (value.examples ? `\nExamples: ${value.examples.join(", ")}` : ""));
break;
case "number":
zodType = z.number().describe((value.description || "") + (value.examples ? `\nExamples: ${value.examples.join(", ")}` : ""));
break;
case "integer":
zodType = z.number().int().describe((value.description || "") + (value.examples ? `\nExamples: ${value.examples.join(", ")}` : ""));
break;
case "boolean":
zodType = z.boolean().describe((value.description || "") + (value.examples ? `\nExamples: ${value.examples.join(", ")}` : ""));
break;
case "array":
zodType = z.array(jsonSchemaPropertiesToTSTypes(value.items)).describe((value.description || "") + (value.examples ? `\nExamples: ${value.examples.join(", ")}` : ""));
break;
case "object":
zodType = jsonSchemaToModel(value).describe((value.description || "") + (value.examples ? `\nExamples: ${value.examples.join(", ")}` : ""));
break;
case "null":
zodType = z.null().describe(value.description || "")
break;
default:
throw new Error(`Unsupported JSON schema type: ${value.type}`);
}
return zodType;
}
export function jsonSchemaToModel(jsonSchema: Record<string, any>): z.ZodObject<any> {
const properties = jsonSchema.properties;
const requiredFields = jsonSchema.required || [];
Iif (!properties) {
return z.object({});
}
const zodSchema: Record<string, any> = {};
for (const [key, _] of Object.entries(properties)) {
const value = _ as any;
let zodType;
Iif (value.anyOf) {
const anyOfTypes = value.anyOf.map((schema: any) => jsonSchemaPropertiesToTSTypes(schema));
zodType = z.union(anyOfTypes).describe((value.description || "") + (value.examples ? `\nExamples: ${value.examples.join(", ")}` : ""));
} else Iif (value.allOf) {
const allOfTypes = value.allOf.map((schema: any) => jsonSchemaPropertiesToTSTypes(schema));
zodType = z.intersection(allOfTypes[0], allOfTypes.slice(1).reduce((acc: z.ZodTypeAny, schema: z.ZodTypeAny) => acc.and(schema), allOfTypes[0])).describe((value.description || "") + (value.examples ? `\nExamples: ${value.examples.join(", ")}` : ""));
} else if (value.type) {
zodType = jsonSchemaPropertiesToTSTypes(value);
} else E{
throw new Error(`Missing 'type' property in JSON schema for key: ${key}`);
}
if (value.description) {
zodType = zodType.describe(value.description);
}
if (requiredFields.includes(key)) {
zodSchema[key] = zodType;
} else {
zodSchema[key] = zodType.optional();
}
}
return z.object(zodSchema);
}
export const getEnvVariable = (name: string, defaultValue: string | undefined = undefined): string | undefined => {
try {
return process.env[name] || defaultValue;
} catch (e) {
return defaultValue;
}
}
export const nodeExternalRequire = (name: string) => {
try {
if (typeof process !== 'undefined') {
return require(name);
} else E{
return require(`external:${name}`);
}
} catch(err) {
return null
}
} |