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191 lines
5.2 KiB
191 lines
5.2 KiB
/**
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* @fileoverview The instance of Ajv validator.
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* @author Evgeny Poberezkin
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*/
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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import Ajv from "ajv";
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//-----------------------------------------------------------------------------
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// Helpers
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//-----------------------------------------------------------------------------
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/*
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* Copied from ajv/lib/refs/json-schema-draft-04.json
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* The MIT License (MIT)
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* Copyright (c) 2015-2017 Evgeny Poberezkin
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*/
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const metaSchema = {
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id: "http://json-schema.org/draft-04/schema#",
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$schema: "http://json-schema.org/draft-04/schema#",
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description: "Core schema meta-schema",
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definitions: {
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schemaArray: {
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type: "array",
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minItems: 1,
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items: { $ref: "#" }
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},
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positiveInteger: {
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type: "integer",
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minimum: 0
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},
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positiveIntegerDefault0: {
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allOf: [{ $ref: "#/definitions/positiveInteger" }, { default: 0 }]
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},
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simpleTypes: {
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enum: ["array", "boolean", "integer", "null", "number", "object", "string"]
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},
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stringArray: {
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type: "array",
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items: { type: "string" },
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minItems: 1,
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uniqueItems: true
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}
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},
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type: "object",
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properties: {
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id: {
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type: "string"
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},
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$schema: {
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type: "string"
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},
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title: {
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type: "string"
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},
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description: {
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type: "string"
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},
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default: { },
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multipleOf: {
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type: "number",
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minimum: 0,
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exclusiveMinimum: true
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},
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maximum: {
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type: "number"
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},
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exclusiveMaximum: {
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type: "boolean",
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default: false
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},
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minimum: {
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type: "number"
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},
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exclusiveMinimum: {
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type: "boolean",
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default: false
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},
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maxLength: { $ref: "#/definitions/positiveInteger" },
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minLength: { $ref: "#/definitions/positiveIntegerDefault0" },
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pattern: {
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type: "string",
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format: "regex"
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},
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additionalItems: {
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anyOf: [
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{ type: "boolean" },
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{ $ref: "#" }
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],
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default: { }
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},
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items: {
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anyOf: [
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{ $ref: "#" },
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{ $ref: "#/definitions/schemaArray" }
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],
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default: { }
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},
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maxItems: { $ref: "#/definitions/positiveInteger" },
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minItems: { $ref: "#/definitions/positiveIntegerDefault0" },
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uniqueItems: {
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type: "boolean",
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default: false
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},
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maxProperties: { $ref: "#/definitions/positiveInteger" },
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minProperties: { $ref: "#/definitions/positiveIntegerDefault0" },
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required: { $ref: "#/definitions/stringArray" },
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additionalProperties: {
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anyOf: [
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{ type: "boolean" },
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{ $ref: "#" }
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],
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default: { }
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},
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definitions: {
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type: "object",
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additionalProperties: { $ref: "#" },
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default: { }
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},
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properties: {
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type: "object",
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additionalProperties: { $ref: "#" },
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default: { }
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},
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patternProperties: {
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type: "object",
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additionalProperties: { $ref: "#" },
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default: { }
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},
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dependencies: {
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type: "object",
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additionalProperties: {
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anyOf: [
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{ $ref: "#" },
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{ $ref: "#/definitions/stringArray" }
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]
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}
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},
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enum: {
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type: "array",
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minItems: 1,
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uniqueItems: true
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},
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type: {
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anyOf: [
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{ $ref: "#/definitions/simpleTypes" },
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{
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type: "array",
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items: { $ref: "#/definitions/simpleTypes" },
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minItems: 1,
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uniqueItems: true
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}
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]
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},
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format: { type: "string" },
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allOf: { $ref: "#/definitions/schemaArray" },
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anyOf: { $ref: "#/definitions/schemaArray" },
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oneOf: { $ref: "#/definitions/schemaArray" },
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not: { $ref: "#" }
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},
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dependencies: {
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exclusiveMaximum: ["maximum"],
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exclusiveMinimum: ["minimum"]
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},
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default: { }
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};
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//------------------------------------------------------------------------------
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// Public Interface
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//------------------------------------------------------------------------------
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export default (additionalOptions = {}) => {
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const ajv = new Ajv({
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meta: false,
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useDefaults: true,
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validateSchema: false,
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missingRefs: "ignore",
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verbose: true,
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schemaId: "auto",
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...additionalOptions
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});
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ajv.addMetaSchema(metaSchema);
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// eslint-disable-next-line no-underscore-dangle
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ajv._opts.defaultMeta = metaSchema.id;
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return ajv;
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};
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