65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
/**
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* Cloudflare Worker-compatible JSON Schema validator provider
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*
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* This provider uses @cfworker/json-schema for validation without code generation,
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* making it compatible with edge runtimes like Cloudflare Workers that restrict
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* eval and new Function.
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*/
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import { Validator } from '@cfworker/json-schema';
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/**
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*
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* @example
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* ```typescript
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* // Use with default configuration (2020-12, shortcircuit)
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* const validator = new CfWorkerJsonSchemaValidator();
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*
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* // Use with custom configuration
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* const validator = new CfWorkerJsonSchemaValidator({
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* draft: '2020-12',
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* shortcircuit: false // Report all errors
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* });
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* ```
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*/
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export class CfWorkerJsonSchemaValidator {
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/**
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* Create a validator
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*
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* @param options - Configuration options
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* @param options.shortcircuit - If true, stop validation after first error (default: true)
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* @param options.draft - JSON Schema draft version to use (default: '2020-12')
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*/
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constructor(options) {
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this.shortcircuit = options?.shortcircuit ?? true;
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this.draft = options?.draft ?? '2020-12';
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}
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/**
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* Create a validator for the given JSON Schema
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*
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* Unlike AJV, this validator is not cached internally
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*
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* @param schema - Standard JSON Schema object
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* @returns A validator function that validates input data
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*/
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getValidator(schema) {
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// Cast to the cfworker Schema type - our JsonSchemaType is structurally compatible
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const validator = new Validator(schema, this.draft, this.shortcircuit);
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return (input) => {
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const result = validator.validate(input);
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if (result.valid) {
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return {
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valid: true,
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data: input,
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errorMessage: undefined
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};
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}
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else {
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return {
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valid: false,
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data: undefined,
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errorMessage: result.errors.map(err => `${err.instanceLocation}: ${err.error}`).join('; ')
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};
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}
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};
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}
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}
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//# sourceMappingURL=cfworker-provider.js.map
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