@rjsf/validator-ajv6/lib/createAjvInstance.js

The ajv-6 based validator for @rjsf/core

import Ajv from 'ajv';
import isObject from 'lodash-es/isObject.js';
export const AJV_CONFIG = {
    errorDataPath: 'property',
    allErrors: true,
    multipleOfPrecision: 8,
    schemaId: 'auto',
    unknownFormats: 'ignore',
};
export const COLOR_FORMAT_REGEX = /^(#?([0-9A-Fa-f]{3}){1,2}\b|aqua|black|blue|fuchsia|gray|green|lime|maroon|navy|olive|orange|purple|red|silver|teal|white|yellow|(rgb\(\s*\b([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b\s*,\s*\b([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b\s*,\s*\b([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b\s*\))|(rgb\(\s*(\d?\d%|100%)+\s*,\s*(\d?\d%|100%)+\s*,\s*(\d?\d%|100%)+\s*\)))$/;
export const DATA_URL_FORMAT_REGEX = /^data:([a-z]+\/[a-z0-9-+.]+)?;(?:name=(.*);)?base64,(.*)$/;
/** Creates an Ajv version 6 implementation object with standard support for the 'color` and `data-url` custom formats.
 * If `additionalMetaSchemas` are provided then the Ajv instance is modified to add each of the meta schemas in the
 * list. If `customFormats` are provided then those additional formats are added to the list of supported formats. If
 * `ajvOptionsOverrides` are provided then they are spread on top of the default `AJV_CONFIG` options when constructing
 * the `Ajv` instance.
 *
 * @param [additionalMetaSchemas] - The list of additional meta schemas that the validator can access
 * @param [customFormats] - The set of additional custom formats that the validator will support
 * @param [ajvOptionsOverrides={}] - The set of validator config override options
 * @deprecated in favor of the `@rjsf/validator-ajv8
 */
export default function createAjvInstance(additionalMetaSchemas, customFormats, ajvOptionsOverrides = {}) {
    const ajv = new Ajv({ ...AJV_CONFIG, ...ajvOptionsOverrides });
    // add custom formats
    ajv.addFormat('data-url', DATA_URL_FORMAT_REGEX);
    ajv.addFormat('color', COLOR_FORMAT_REGEX);
    // add more schemas to validate against
    if (Array.isArray(additionalMetaSchemas)) {
        ajv.addMetaSchema(additionalMetaSchemas);
    }
    // add more custom formats to validate against
    if (isObject(customFormats)) {
        Object.keys(customFormats).forEach((formatName) => {
            ajv.addFormat(formatName, customFormats[formatName]);
        });
    }
    return ajv;
}
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