59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
'use strict'
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const Ajv = require('ajv').default
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const AjvJTD = require('ajv/dist/jtd')
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const defaultAjvOptions = require('./default-ajv-options')
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class ValidatorCompiler {
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constructor (externalSchemas, options) {
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// This instance of Ajv is private
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// it should not be customized or used
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if (options.mode === 'JTD') {
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this.ajv = new AjvJTD(Object.assign({}, defaultAjvOptions, options.customOptions))
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} else {
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this.ajv = new Ajv(Object.assign({}, defaultAjvOptions, options.customOptions))
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}
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let addFormatPlugin = true
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if (options.plugins && options.plugins.length > 0) {
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for (const plugin of options.plugins) {
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if (Array.isArray(plugin)) {
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addFormatPlugin = addFormatPlugin && plugin[0].name !== 'formatsPlugin'
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plugin[0](this.ajv, plugin[1])
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} else {
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addFormatPlugin = addFormatPlugin && plugin.name !== 'formatsPlugin'
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plugin(this.ajv)
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}
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}
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}
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if (addFormatPlugin) {
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require('ajv-formats')(this.ajv)
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}
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options.onCreate?.(this.ajv)
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const sourceSchemas = Object.values(externalSchemas)
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for (const extSchema of sourceSchemas) {
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this.ajv.addSchema(extSchema)
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}
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}
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buildValidatorFunction ({ schema/*, method, url, httpPart */ }) {
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// Ajv does not support compiling two schemas with the same
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// id inside the same instance. Therefore if we have already
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// compiled the schema with the given id, we just return it.
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if (schema.$id) {
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const stored = this.ajv.getSchema(schema.$id)
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if (stored) {
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return stored
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}
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}
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return this.ajv.compile(schema)
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}
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}
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module.exports = ValidatorCompiler
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