@jirutka/ajv-cli/lib/ajv-schema-path-workaround.js

CLI for Ajv JSON Schema Validator with human-friendly error messages

// This is a workaround for https://github.com/ajv-validator/ajv/issues/512
import _traverse from '@json-schema-tools/traverse';
import { deepClone } from './utils.js';
// Workaround to make it work both directly and in bundle.
const traverse = 'default' in _traverse ? _traverse.default : _traverse;
const SchemaPathSymbol = Symbol('schemaPath');
/**
 * Adds {@link SchemaPathSymbol} property with JSON Path to each schema object
 * in the given `jsonSchema`. This function **mutates** the given `jsonSchema`!
 */
export function injectPathToSchemas(jsonSchema, prefix) {
    prefix ??= `${jsonSchema.$id || ''}#`;
    traverse(jsonSchema, (schema, _isCycle, path) => {
        if (!('$ref' in schema) && !(SchemaPathSymbol in schema)) {
            schema[SchemaPathSymbol] = `${prefix}${jsonPathToPointer(path)}`;
        }
        return schema;
    }, { mutable: true });
    if (typeof jsonSchema.$defs === 'object') {
        for (const [key, schema] of Object.entries(jsonSchema.$defs ?? jsonSchema.definitions)) {
            injectPathToSchemas(schema, `${prefix}/$defs/${key}`);
        }
    }
}
/** @internal */
export function rewriteSchemaPathInErrors(errors, verbose) {
    return errors.map(error => {
        // The main purpose of this is to remove SchemaPathSymbol key.
        const copy = deepClone(error);
        if (error.parentSchema && SchemaPathSymbol in error.parentSchema) {
            copy.schemaPath = `${error.parentSchema[SchemaPathSymbol]}/${error.keyword}`;
            if (!verbose) {
                delete copy.parentSchema;
                delete copy.schema;
                delete copy.data;
            }
        }
        return copy;
    });
}
function jsonPathToPointer(jsonPath) {
    if (jsonPath.startsWith('$')) {
        jsonPath = jsonPath.slice(1);
    }
    return jsonPath
        .split('.')
        .map(s => s.replaceAll(/\[(\d+)\]/g, '/$1'))
        .join('/');
}
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