1 | "use strict";
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2 | /**
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3 | * @license
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4 | * Copyright Google LLC All Rights Reserved.
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5 | *
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6 | * Use of this source code is governed by an MIT-style license that can be
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7 | * found in the LICENSE file at https://angular.io/license
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8 | */
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9 | var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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10 | if (k2 === undefined) k2 = k;
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11 | Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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12 | }) : (function(o, m, k, k2) {
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13 | if (k2 === undefined) k2 = k;
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14 | o[k2] = m[k];
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15 | }));
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16 | var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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17 | Object.defineProperty(o, "default", { enumerable: true, value: v });
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18 | }) : function(o, v) {
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19 | o["default"] = v;
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20 | });
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21 | var __importStar = (this && this.__importStar) || function (mod) {
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22 | if (mod && mod.__esModule) return mod;
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23 | var result = {};
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24 | if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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25 | __setModuleDefault(result, mod);
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26 | return result;
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27 | };
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28 | var __importDefault = (this && this.__importDefault) || function (mod) {
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29 | return (mod && mod.__esModule) ? mod : { "default": mod };
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30 | };
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31 | Object.defineProperty(exports, "__esModule", { value: true });
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32 | exports.CoreSchemaRegistry = exports.SchemaValidationException = void 0;
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33 | const ajv_1 = __importDefault(require("ajv"));
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34 | const ajv_formats_1 = __importDefault(require("ajv-formats"));
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35 | const http = __importStar(require("http"));
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36 | const https = __importStar(require("https"));
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37 | const rxjs_1 = require("rxjs");
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38 | const operators_1 = require("rxjs/operators");
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39 | const Url = __importStar(require("url"));
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40 | const exception_1 = require("../../exception/exception");
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41 | const utils_1 = require("../../utils");
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42 | const interface_1 = require("../interface");
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43 | const utility_1 = require("./utility");
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44 | const visitor_1 = require("./visitor");
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45 | class SchemaValidationException extends exception_1.BaseException {
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46 | constructor(errors, baseMessage = 'Schema validation failed with the following errors:') {
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47 | if (!errors || errors.length === 0) {
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48 | super('Schema validation failed.');
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49 | this.errors = [];
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50 | return;
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51 | }
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52 | const messages = SchemaValidationException.createMessages(errors);
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53 | super(`${baseMessage}\n ${messages.join('\n ')}`);
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54 | this.errors = errors;
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55 | }
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56 | static createMessages(errors) {
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57 | if (!errors || errors.length === 0) {
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58 | return [];
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59 | }
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60 | const messages = errors.map((err) => {
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61 | var _a;
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62 | let message = `Data path ${JSON.stringify(err.instancePath)} ${err.message}`;
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63 | if (err.params) {
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64 | switch (err.keyword) {
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65 | case 'additionalProperties':
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66 | message += `(${err.params.additionalProperty})`;
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67 | break;
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68 | case 'enum':
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69 | message += `. Allowed values are: ${(_a = err.params.allowedValues) === null || _a === void 0 ? void 0 : _a.map((v) => `"${v}"`).join(', ')}`;
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70 | break;
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71 | }
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72 | }
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73 | return message + '.';
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74 | });
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75 | return messages;
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76 | }
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77 | }
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78 | exports.SchemaValidationException = SchemaValidationException;
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79 | class CoreSchemaRegistry {
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80 | constructor(formats = []) {
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81 | this._uriCache = new Map();
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82 | this._uriHandlers = new Set();
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83 | this._pre = new utils_1.PartiallyOrderedSet();
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84 | this._post = new utils_1.PartiallyOrderedSet();
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85 | this._smartDefaultKeyword = false;
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86 | this._sourceMap = new Map();
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87 | this._ajv = new ajv_1.default({
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88 | strict: false,
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89 | loadSchema: (uri) => this._fetch(uri),
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90 | passContext: true,
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91 | });
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92 | ajv_formats_1.default(this._ajv);
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93 | for (const format of formats) {
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94 | this.addFormat(format);
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95 | }
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96 | }
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97 | async _fetch(uri) {
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98 | const maybeSchema = this._uriCache.get(uri);
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99 | if (maybeSchema) {
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100 | return maybeSchema;
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101 | }
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102 | // Try all handlers, one after the other.
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103 | for (const handler of this._uriHandlers) {
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104 | let handlerResult = handler(uri);
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105 | if (handlerResult === null || handlerResult === undefined) {
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106 | continue;
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107 | }
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108 | if (rxjs_1.isObservable(handlerResult)) {
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109 | handlerResult = handlerResult.toPromise();
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110 | }
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111 | const value = await handlerResult;
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112 | this._uriCache.set(uri, value);
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113 | return value;
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114 | }
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115 | // If none are found, handle using http client.
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116 | return new Promise((resolve, reject) => {
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117 | const url = new Url.URL(uri);
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118 | const client = url.protocol === 'https:' ? https : http;
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119 | client.get(url, (res) => {
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120 | if (!res.statusCode || res.statusCode >= 300) {
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121 | // Consume the rest of the data to free memory.
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122 | res.resume();
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123 | reject(new Error(`Request failed. Status Code: ${res.statusCode}`));
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124 | }
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125 | else {
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126 | res.setEncoding('utf8');
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127 | let data = '';
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128 | res.on('data', (chunk) => {
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129 | data += chunk;
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130 | });
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131 | res.on('end', () => {
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132 | try {
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133 | const json = JSON.parse(data);
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134 | this._uriCache.set(uri, json);
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135 | resolve(json);
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136 | }
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137 | catch (err) {
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138 | reject(err);
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139 | }
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140 | });
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141 | }
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142 | });
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143 | });
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144 | }
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145 | /**
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146 | * Add a transformation step before the validation of any Json.
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147 | * @param {JsonVisitor} visitor The visitor to transform every value.
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148 | * @param {JsonVisitor[]} deps A list of other visitors to run before.
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149 | */
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150 | addPreTransform(visitor, deps) {
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151 | this._pre.add(visitor, deps);
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152 | }
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153 | /**
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154 | * Add a transformation step after the validation of any Json. The JSON will not be validated
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155 | * after the POST, so if transformations are not compatible with the Schema it will not result
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156 | * in an error.
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157 | * @param {JsonVisitor} visitor The visitor to transform every value.
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158 | * @param {JsonVisitor[]} deps A list of other visitors to run before.
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159 | */
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160 | addPostTransform(visitor, deps) {
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161 | this._post.add(visitor, deps);
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162 | }
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163 | _resolver(ref, validate) {
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164 | if (!validate || !ref) {
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165 | return {};
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166 | }
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167 | const schema = validate.schemaEnv.root.schema;
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168 | const id = typeof schema === 'object' ? schema.$id : null;
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169 | let fullReference = ref;
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170 | if (typeof id === 'string') {
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171 | fullReference = Url.resolve(id, ref);
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172 | if (ref.startsWith('#')) {
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173 | fullReference = id + fullReference;
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174 | }
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175 | }
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176 | if (fullReference.startsWith('#')) {
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177 | fullReference = fullReference.slice(0, -1);
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178 | }
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179 | const resolvedSchema = this._ajv.getSchema(fullReference);
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180 | return {
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181 | context: resolvedSchema === null || resolvedSchema === void 0 ? void 0 : resolvedSchema.schemaEnv.validate,
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182 | schema: resolvedSchema === null || resolvedSchema === void 0 ? void 0 : resolvedSchema.schema,
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183 | };
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184 | }
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185 | /**
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186 | * Flatten the Schema, resolving and replacing all the refs. Makes it into a synchronous schema
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187 | * that is also easier to traverse. Does not cache the result.
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188 | *
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189 | * @param schema The schema or URI to flatten.
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190 | * @returns An Observable of the flattened schema object.
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191 | * @deprecated since 11.2 without replacement.
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192 | * Producing a flatten schema document does not in all cases produce a schema with identical behavior to the original.
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193 | * See: https://json-schema.org/draft/2019-09/json-schema-core.html#rfc.appendix.B.2
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194 | */
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195 | flatten(schema) {
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196 | return rxjs_1.from(this._flatten(schema));
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197 | }
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198 | async _flatten(schema) {
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199 | this._replaceDeprecatedSchemaIdKeyword(schema);
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200 | this._ajv.removeSchema(schema);
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201 | this._currentCompilationSchemaInfo = undefined;
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202 | const validate = await this._ajv.compileAsync(schema);
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203 | // eslint-disable-next-line @typescript-eslint/no-this-alias
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204 | const self = this;
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205 | function visitor(current, pointer, parentSchema, index) {
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206 | if (current &&
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207 | parentSchema &&
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208 | index &&
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209 | interface_1.isJsonObject(current) &&
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210 | Object.prototype.hasOwnProperty.call(current, '$ref') &&
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211 | typeof current['$ref'] == 'string') {
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212 | const resolved = self._resolver(current['$ref'], validate);
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213 | if (resolved.schema) {
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214 | parentSchema[index] = resolved.schema;
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215 | }
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216 | }
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217 | }
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218 | const schemaCopy = utils_1.deepCopy(validate.schema);
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219 | visitor_1.visitJsonSchema(schemaCopy, visitor);
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220 | return schemaCopy;
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221 | }
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222 | /**
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223 | * Compile and return a validation function for the Schema.
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224 | *
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225 | * @param schema The schema to validate. If a string, will fetch the schema before compiling it
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226 | * (using schema as a URI).
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227 | * @returns An Observable of the Validation function.
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228 | */
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229 | compile(schema) {
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230 | return rxjs_1.from(this._compile(schema)).pipe(operators_1.map((validate) => (value, options) => rxjs_1.from(validate(value, options))));
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231 | }
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232 | async _compile(schema) {
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233 | if (typeof schema === 'boolean') {
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234 | return async (data) => ({ success: schema, data });
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235 | }
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236 | this._replaceDeprecatedSchemaIdKeyword(schema);
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237 | const schemaInfo = {
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238 | smartDefaultRecord: new Map(),
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239 | promptDefinitions: [],
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240 | };
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241 | this._ajv.removeSchema(schema);
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242 | let validator;
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243 | try {
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244 | this._currentCompilationSchemaInfo = schemaInfo;
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245 | validator = this._ajv.compile(schema);
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246 | }
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247 | catch (e) {
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248 | // This should eventually be refactored so that we we handle race condition where the same schema is validated at the same time.
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249 | if (!(e instanceof ajv_1.default.MissingRefError)) {
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250 | throw e;
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251 | }
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252 | validator = await this._ajv.compileAsync(schema);
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253 | }
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254 | finally {
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255 | this._currentCompilationSchemaInfo = undefined;
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256 | }
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257 | return async (data, options) => {
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258 | var _a;
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259 | const validationOptions = {
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260 | withPrompts: true,
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261 | applyPostTransforms: true,
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262 | applyPreTransforms: true,
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263 | ...options,
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264 | };
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265 | const validationContext = {
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266 | promptFieldsWithValue: new Set(),
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267 | };
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268 | // Apply pre-validation transforms
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269 | if (validationOptions.applyPreTransforms) {
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270 | for (const visitor of this._pre.values()) {
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271 | data = await visitor_1.visitJson(data, visitor, schema, this._resolver.bind(this), validator).toPromise();
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272 | }
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273 | }
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274 | // Apply smart defaults
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275 | await this._applySmartDefaults(data, schemaInfo.smartDefaultRecord);
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276 | // Apply prompts
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277 | if (validationOptions.withPrompts) {
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278 | const visitor = (value, pointer) => {
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279 | if (value !== undefined) {
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280 | validationContext.promptFieldsWithValue.add(pointer);
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281 | }
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282 | return value;
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283 | };
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284 | if (typeof schema === 'object') {
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285 | await visitor_1.visitJson(data, visitor, schema, this._resolver.bind(this), validator).toPromise();
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286 | }
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287 | const definitions = schemaInfo.promptDefinitions.filter((def) => !validationContext.promptFieldsWithValue.has(def.id));
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288 | if (definitions.length > 0) {
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289 | await this._applyPrompts(data, definitions);
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290 | }
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291 | }
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292 | // Validate using ajv
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293 | try {
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294 | const success = await validator.call(validationContext, data);
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295 | if (!success) {
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296 | return { data, success, errors: (_a = validator.errors) !== null && _a !== void 0 ? _a : [] };
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297 | }
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298 | }
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299 | catch (error) {
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300 | if (error instanceof ajv_1.default.ValidationError) {
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301 | return { data, success: false, errors: error.errors };
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302 | }
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303 | throw error;
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304 | }
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305 | // Apply post-validation transforms
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306 | if (validationOptions.applyPostTransforms) {
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307 | for (const visitor of this._post.values()) {
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308 | data = await visitor_1.visitJson(data, visitor, schema, this._resolver.bind(this), validator).toPromise();
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309 | }
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310 | }
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311 | return { data, success: true };
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312 | };
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313 | }
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314 | addFormat(format) {
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315 | this._ajv.addFormat(format.name, format.formatter);
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316 | }
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317 | addSmartDefaultProvider(source, provider) {
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318 | if (this._sourceMap.has(source)) {
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319 | throw new Error(source);
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320 | }
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321 | this._sourceMap.set(source, provider);
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322 | if (!this._smartDefaultKeyword) {
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323 | this._smartDefaultKeyword = true;
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324 | this._ajv.addKeyword({
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325 | keyword: '$default',
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326 | errors: false,
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327 | valid: true,
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328 | compile: (schema, _parentSchema, it) => {
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329 | const compilationSchemInfo = this._currentCompilationSchemaInfo;
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330 | if (compilationSchemInfo === undefined) {
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331 | return () => true;
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332 | }
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333 | // We cheat, heavily.
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334 | const pathArray = this.normalizeDataPathArr(it);
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335 | compilationSchemInfo.smartDefaultRecord.set(JSON.stringify(pathArray), schema);
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336 | return () => true;
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337 | },
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338 | metaSchema: {
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339 | type: 'object',
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340 | properties: {
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341 | '$source': { type: 'string' },
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342 | },
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343 | additionalProperties: true,
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344 | required: ['$source'],
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345 | },
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346 | });
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347 | }
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348 | }
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349 | registerUriHandler(handler) {
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350 | this._uriHandlers.add(handler);
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351 | }
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352 | usePromptProvider(provider) {
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353 | const isSetup = !!this._promptProvider;
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354 | this._promptProvider = provider;
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355 | if (isSetup) {
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356 | return;
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357 | }
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358 | this._ajv.addKeyword({
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359 | keyword: 'x-prompt',
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360 | errors: false,
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361 | valid: true,
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362 | compile: (schema, parentSchema, it) => {
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363 | const compilationSchemInfo = this._currentCompilationSchemaInfo;
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364 | if (!compilationSchemInfo) {
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365 | return () => true;
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366 | }
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367 | const path = '/' + this.normalizeDataPathArr(it).join('/');
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368 | let type;
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369 | let items;
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370 | let message;
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371 | if (typeof schema == 'string') {
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372 | message = schema;
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373 | }
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374 | else {
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375 | message = schema.message;
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376 | type = schema.type;
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377 | items = schema.items;
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378 | }
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379 | const propertyTypes = utility_1.getTypesOfSchema(parentSchema);
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380 | if (!type) {
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381 | if (propertyTypes.size === 1 && propertyTypes.has('boolean')) {
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382 | type = 'confirmation';
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383 | }
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384 | else if (Array.isArray(parentSchema.enum)) {
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385 | type = 'list';
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386 | }
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387 | else if (propertyTypes.size === 1 &&
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388 | propertyTypes.has('array') &&
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389 | parentSchema.items &&
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390 | Array.isArray(parentSchema.items.enum)) {
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391 | type = 'list';
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392 | }
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393 | else {
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394 | type = 'input';
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395 | }
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396 | }
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397 | let multiselect;
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398 | if (type === 'list') {
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399 | multiselect =
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400 | schema.multiselect === undefined
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401 | ? propertyTypes.size === 1 && propertyTypes.has('array')
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402 | : schema.multiselect;
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403 | const enumValues = multiselect
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404 | ? parentSchema.items &&
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405 | parentSchema.items.enum
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406 | : parentSchema.enum;
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407 | if (!items && Array.isArray(enumValues)) {
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408 | items = [];
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409 | for (const value of enumValues) {
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410 | if (typeof value == 'string') {
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411 | items.push(value);
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412 | }
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413 | else if (typeof value == 'object') {
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414 | // Invalid
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415 | }
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416 | else {
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417 | items.push({ label: value.toString(), value });
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418 | }
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419 | }
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420 | }
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421 | }
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422 | const definition = {
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423 | id: path,
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424 | type,
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425 | message,
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426 | raw: schema,
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427 | items,
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428 | multiselect,
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429 | propertyTypes,
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430 | default: typeof parentSchema.default == 'object' &&
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431 | parentSchema.default !== null &&
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432 | !Array.isArray(parentSchema.default)
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433 | ? undefined
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434 | : parentSchema.default,
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435 | async validator(data) {
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436 | var _a;
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437 | try {
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438 | const result = await it.self.validate(parentSchema, data);
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439 | // If the schema is sync then false will be returned on validation failure
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440 | if (result) {
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441 | return result;
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442 | }
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443 | else if ((_a = it.self.errors) === null || _a === void 0 ? void 0 : _a.length) {
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444 | // Validation errors will be present on the Ajv instance when sync
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445 | return it.self.errors[0].message;
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446 | }
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447 | }
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448 | catch (e) {
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449 | // If the schema is async then an error will be thrown on validation failure
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450 | if (Array.isArray(e.errors) && e.errors.length) {
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451 | return e.errors[0].message;
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452 | }
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453 | }
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454 | return false;
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455 | },
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456 | };
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457 | compilationSchemInfo.promptDefinitions.push(definition);
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458 | return function () {
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459 | // If 'this' is undefined in the call, then it defaults to the global
|
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460 | // 'this'.
|
---|
461 | if (this && this.promptFieldsWithValue) {
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462 | this.promptFieldsWithValue.add(path);
|
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463 | }
|
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464 | return true;
|
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465 | };
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466 | },
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467 | metaSchema: {
|
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468 | oneOf: [
|
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469 | { type: 'string' },
|
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470 | {
|
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471 | type: 'object',
|
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472 | properties: {
|
---|
473 | 'type': { type: 'string' },
|
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474 | 'message': { type: 'string' },
|
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475 | },
|
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476 | additionalProperties: true,
|
---|
477 | required: ['message'],
|
---|
478 | },
|
---|
479 | ],
|
---|
480 | },
|
---|
481 | });
|
---|
482 | }
|
---|
483 | async _applyPrompts(data, prompts) {
|
---|
484 | const provider = this._promptProvider;
|
---|
485 | if (!provider) {
|
---|
486 | return;
|
---|
487 | }
|
---|
488 | const answers = await rxjs_1.from(provider(prompts)).toPromise();
|
---|
489 | for (const path in answers) {
|
---|
490 | const pathFragments = path.split('/').slice(1);
|
---|
491 | CoreSchemaRegistry._set(data, pathFragments, answers[path], null, undefined, true);
|
---|
492 | }
|
---|
493 | }
|
---|
494 | static _set(
|
---|
495 | // eslint-disable-next-line @typescript-eslint/no-explicit-any
|
---|
496 | data, fragments, value,
|
---|
497 | // eslint-disable-next-line @typescript-eslint/no-explicit-any
|
---|
498 | parent = null, parentProperty, force) {
|
---|
499 | for (let index = 0; index < fragments.length; index++) {
|
---|
500 | const fragment = fragments[index];
|
---|
501 | if (/^i\d+$/.test(fragment)) {
|
---|
502 | if (!Array.isArray(data)) {
|
---|
503 | return;
|
---|
504 | }
|
---|
505 | for (let dataIndex = 0; dataIndex < data.length; dataIndex++) {
|
---|
506 | CoreSchemaRegistry._set(data[dataIndex], fragments.slice(index + 1), value, data, `${dataIndex}`);
|
---|
507 | }
|
---|
508 | return;
|
---|
509 | }
|
---|
510 | if (!data && parent !== null && parentProperty) {
|
---|
511 | data = parent[parentProperty] = {};
|
---|
512 | }
|
---|
513 | parent = data;
|
---|
514 | parentProperty = fragment;
|
---|
515 | data = data[fragment];
|
---|
516 | }
|
---|
517 | if (parent && parentProperty && (force || parent[parentProperty] === undefined)) {
|
---|
518 | parent[parentProperty] = value;
|
---|
519 | }
|
---|
520 | }
|
---|
521 | async _applySmartDefaults(data, smartDefaults) {
|
---|
522 | for (const [pointer, schema] of smartDefaults.entries()) {
|
---|
523 | const fragments = JSON.parse(pointer);
|
---|
524 | const source = this._sourceMap.get(schema.$source);
|
---|
525 | if (!source) {
|
---|
526 | continue;
|
---|
527 | }
|
---|
528 | let value = source(schema);
|
---|
529 | if (rxjs_1.isObservable(value)) {
|
---|
530 | value = await value.toPromise();
|
---|
531 | }
|
---|
532 | CoreSchemaRegistry._set(data, fragments, value);
|
---|
533 | }
|
---|
534 | }
|
---|
535 | useXDeprecatedProvider(onUsage) {
|
---|
536 | this._ajv.addKeyword({
|
---|
537 | keyword: 'x-deprecated',
|
---|
538 | validate: (schema, _data, _parentSchema, dataCxt) => {
|
---|
539 | if (schema) {
|
---|
540 | onUsage(`Option "${dataCxt === null || dataCxt === void 0 ? void 0 : dataCxt.parentDataProperty}" is deprecated${typeof schema == 'string' ? ': ' + schema : '.'}`);
|
---|
541 | }
|
---|
542 | return true;
|
---|
543 | },
|
---|
544 | errors: false,
|
---|
545 | });
|
---|
546 | }
|
---|
547 | /**
|
---|
548 | * Workaround to avoid a breaking change in downstream schematics.
|
---|
549 | * @deprecated will be removed in version 13.
|
---|
550 | */
|
---|
551 | _replaceDeprecatedSchemaIdKeyword(schema) {
|
---|
552 | if (typeof schema.id === 'string') {
|
---|
553 | schema.$id = schema.id;
|
---|
554 | delete schema.id;
|
---|
555 | // eslint-disable-next-line no-console
|
---|
556 | console.warn(`"${schema.$id}" schema is using the keyword "id" which its support is deprecated. Use "$id" for schema ID.`);
|
---|
557 | }
|
---|
558 | }
|
---|
559 | normalizeDataPathArr(it) {
|
---|
560 | return it.dataPathArr
|
---|
561 | .slice(1, it.dataLevel + 1)
|
---|
562 | .map((p) => (typeof p === 'number' ? p : p.str.replace(/\"/g, '')));
|
---|
563 | }
|
---|
564 | }
|
---|
565 | exports.CoreSchemaRegistry = CoreSchemaRegistry;
|
---|