@sjsf/ajv8-validator/dist/schema-compilers.js

The ajv-8 based validator for svelte-jsonschema-form

import { memoize, weakMemoize } from "@sjsf/form/lib/memoize";
import { ID_KEY, prefixSchemaRefs, ROOT_SCHEMA_PREFIX } from "@sjsf/form/core";
export function createSchemaCompiler(ajv, _async, validatorsCache = new WeakMap()) {
    let rootSchemaId = "";
    let usePrefixSchemaRefs = false;
    const compile = memoize(validatorsCache, (schema) => {
        let ajvSchema = schema;
        if (usePrefixSchemaRefs) {
            ajvSchema = prefixSchemaRefs(schema, rootSchemaId);
            delete ajvSchema[ID_KEY];
        }
        return ajv.compile(ajvSchema);
    });
    return (schema, rootSchema) => {
        rootSchemaId = rootSchema[ID_KEY] ?? ROOT_SCHEMA_PREFIX;
        let ajvSchema = ajv.getSchema(rootSchemaId)?.schema;
        if (ajvSchema !== undefined && ajvSchema !== rootSchema) {
            ajv.removeSchema(rootSchemaId);
            validatorsCache.delete(schema);
            ajvSchema = undefined;
        }
        if (ajvSchema === undefined) {
            ajv.addSchema(rootSchema, rootSchemaId);
        }
        usePrefixSchemaRefs = schema !== rootSchema;
        return compile(schema);
    };
}
export function createFieldSchemaCompiler(ajv, async) {
    const validatorsCache = new WeakMap();
    const compile = weakMemoize(validatorsCache, (schema) => ajv.compile({ ...schema, $async: async }));
    return (config) => compile(config.schema);
}