hexo/node_modules/ajv/dist/core.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CodeGen = exports.Name = exports.nil = exports.stringify = exports.str = exports._ = exports.KeywordCxt = void 0;
const context_1 = require("./compile/context");
exports.KeywordCxt = context_1.default;
var codegen_1 = require("./compile/codegen");
Object.defineProperty(exports, "_", { enumerable: true, get: function () { return codegen_1._; } });
Object.defineProperty(exports, "str", { enumerable: true, get: function () { return codegen_1.str; } });
Object.defineProperty(exports, "stringify", { enumerable: true, get: function () { return codegen_1.stringify; } });
Object.defineProperty(exports, "nil", { enumerable: true, get: function () { return codegen_1.nil; } });
Object.defineProperty(exports, "Name", { enumerable: true, get: function () { return codegen_1.Name; } });
Object.defineProperty(exports, "CodeGen", { enumerable: true, get: function () { return codegen_1.CodeGen; } });
const error_classes_1 = require("./compile/error_classes");
const rules_1 = require("./compile/rules");
const compile_1 = require("./compile");
const codegen_2 = require("./compile/codegen");
const resolve_1 = require("./compile/resolve");
const dataType_1 = require("./compile/validate/dataType");
const util_1 = require("./compile/util");
const $dataRefSchema = require("./refs/data.json");
const META_IGNORE_OPTIONS = ["removeAdditional", "useDefaults", "coerceTypes"];
const EXT_SCOPE_NAMES = new Set([
    "validate",
    "serialize",
    "parse",
    "wrapper",
    "root",
    "schema",
    "keyword",
    "pattern",
    "formats",
    "validate$data",
    "func",
    "obj",
    "Error",
]);
const removedOptions = {
    errorDataPath: "",
    format: "`validateFormats: false` can be used instead.",
    nullable: '"nullable" keyword is supported by default.',
    jsonPointers: "Deprecated jsPropertySyntax can be used instead.",
    extendRefs: "Deprecated ignoreKeywordsWithRef can be used instead.",
    missingRefs: "Pass empty schema with $id that should be ignored to ajv.addSchema.",
    processCode: "Use option `code: {process: (code, schemaEnv: object) => string}`",
    sourceCode: "Use option `code: {source: true}`",
    schemaId: "JSON Schema draft-04 is not supported in Ajv v7.",
    strictDefaults: "It is default now, see option `strict`.",
    strictKeywords: "It is default now, see option `strict`.",
    strictNumbers: "It is default now, see option `strict`.",
    uniqueItems: '"uniqueItems" keyword is always validated.',
    unknownFormats: "Disable strict mode or pass `true` to `ajv.addFormat` (or `formats` option).",
    cache: "Map is used as cache, schema object as key.",
    serialize: "Map is used as cache, schema object as key.",
};
const deprecatedOptions = {
    ignoreKeywordsWithRef: "",
    jsPropertySyntax: "",
    unicode: '"minLength"/"maxLength" account for unicode characters by default.',
};
function requiredOptions(o) {
    var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m;
    const strict = (_a = o.strict) !== null && _a !== void 0 ? _a : true;
    const strictLog = strict ? "log" : false;
    const _optz = (_b = o.code) === null || _b === void 0 ? void 0 : _b.optimize;
    const optimize = _optz === true || _optz === undefined ? 1 : _optz || 0;
    return {
        strict,
        strictTypes: (_c = o.strictTypes) !== null && _c !== void 0 ? _c : strictLog,
        strictTuples: (_d = o.strictTuples) !== null && _d !== void 0 ? _d : strictLog,
        code: o.code ? { ...o.code, optimize } : { optimize },
        loopRequired: (_e = o.loopRequired) !== null && _e !== void 0 ? _e : Infinity,
        loopEnum: (_f = o.loopEnum) !== null && _f !== void 0 ? _f : Infinity,
        meta: (_g = o.meta) !== null && _g !== void 0 ? _g : true,
        messages: (_h = o.messages) !== null && _h !== void 0 ? _h : true,
        inlineRefs: (_j = o.inlineRefs) !== null && _j !== void 0 ? _j : true,
        addUsedSchema: (_k = o.addUsedSchema) !== null && _k !== void 0 ? _k : true,
        validateSchema: (_l = o.validateSchema) !== null && _l !== void 0 ? _l : true,
        validateFormats: (_m = o.validateFormats) !== null && _m !== void 0 ? _m : true,
    };
}
class Ajv {
    constructor(opts = {}) {
        this.schemas = {};
        this.refs = {};
        this.formats = {};
        this._compilations = new Set();
        this._loading = {};
        this._cache = new Map();
        opts = this.opts = { ...opts, ...requiredOptions(opts) };
        const { es5, lines } = this.opts.code;
        this.scope = new codegen_2.ValueScope({ scope: {}, prefixes: EXT_SCOPE_NAMES, es5, lines });
        this.logger = getLogger(opts.logger);
        const formatOpt = opts.validateFormats;
        opts.validateFormats = false;
        this.RULES = rules_1.getRules();
        checkOptions.call(this, removedOptions, opts, "NOT SUPPORTED");
        checkOptions.call(this, deprecatedOptions, opts, "DEPRECATED", "warn");
        this._metaOpts = getMetaSchemaOptions.call(this);
        if (opts.formats)
            addInitialFormats.call(this);
        this._addVocabularies();
        this._addDefaultMetaSchema();
        if (opts.keywords)
            addInitialKeywords.call(this, opts.keywords);
        if (typeof opts.meta == "object")
            this.addMetaSchema(opts.meta);
        addInitialSchemas.call(this);
        opts.validateFormats = formatOpt;
    }
    _addVocabularies() {
        this.addKeyword("$async");
    }
    _addDefaultMetaSchema() {
        const { $data, meta } = this.opts;
        if (meta && $data)
            this.addMetaSchema($dataRefSchema, $dataRefSchema.$id, false);
    }
    defaultMeta() {
        const { meta } = this.opts;
        return (this.opts.defaultMeta = typeof meta == "object" ? meta.$id || meta : undefined);
    }
    validate(schemaKeyRef, // key, ref or schema object
    data // to be validated
    ) {
        let v;
        if (typeof schemaKeyRef == "string") {
            v = this.getSchema(schemaKeyRef);
            if (!v)
                throw new Error(`no schema with key or ref "${schemaKeyRef}"`);
        }
        else {
            v = this.compile(schemaKeyRef);
        }
        const valid = v(data);
        if (!("$async" in v))
            this.errors = v.errors;
        return valid;
    }
    compile(schema, _meta) {
        const sch = this._addSchema(schema, _meta);
        return (sch.validate || this._compileSchemaEnv(sch));
    }
    compileAsync(schema, meta) {
        if (typeof this.opts.loadSchema != "function") {
            throw new Error("options.loadSchema should be a function");
        }
        const { loadSchema } = this.opts;
        return runCompileAsync.call(this, schema, meta);
        async function runCompileAsync(_schema, _meta) {
            await loadMetaSchema.call(this, _schema.$schema);
            const sch = this._addSchema(_schema, _meta);
            return sch.validate || _compileAsync.call(this, sch);
        }
        async function loadMetaSchema($ref) {
            if ($ref && !this.getSchema($ref)) {
                await runCompileAsync.call(this, { $ref }, true);
            }
        }
        async function _compileAsync(sch) {
            try {
                return this._compileSchemaEnv(sch);
            }
            catch (e) {
                if (!(e instanceof error_classes_1.MissingRefError))
                    throw e;
                checkLoaded.call(this, e);
                await loadMissingSchema.call(this, e.missingSchema);
                return _compileAsync.call(this, sch);
            }
        }
        function checkLoaded({ missingSchema: ref, missingRef }) {
            if (this.refs[ref]) {
                throw new Error(`AnySchema ${ref} is loaded but ${missingRef} cannot be resolved`);
            }
        }
        async function loadMissingSchema(ref) {
            const _schema = await _loadSchema.call(this, ref);
            if (!this.refs[ref])
                await loadMetaSchema.call(this, _schema.$schema);
            if (!this.refs[ref])
                this.addSchema(_schema, ref, meta);
        }
        async function _loadSchema(ref) {
            const p = this._loading[ref];
            if (p)
                return p;
            try {
                return await (this._loading[ref] = loadSchema(ref));
            }
            finally {
                delete this._loading[ref];
            }
        }
    }
    // Adds schema to the instance
    addSchema(schema, // If array is passed, `key` will be ignored
    key, // Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
    _meta, // true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
    _validateSchema = this.opts.validateSchema // false to skip schema validation. Used internally, option validateSchema should be used instead.
    ) {
        if (Array.isArray(schema)) {
            for (const sch of schema)
                this.addSchema(sch, undefined, _meta, _validateSchema);
            return this;
        }
        let id;
        if (typeof schema === "object") {
            id = schema.$id;
            if (id !== undefined && typeof id != "string")
                throw new Error("schema id must be string");
        }
        key = resolve_1.normalizeId(key || id);
        this._checkUnique(key);
        this.schemas[key] = this._addSchema(schema, _meta, _validateSchema, true);
        return this;
    }
    // Add schema that will be used to validate other schemas
    // options in META_IGNORE_OPTIONS are alway set to false
    addMetaSchema(schema, key, // schema key
    _validateSchema = this.opts.validateSchema // false to skip schema validation, can be used to override validateSchema option for meta-schema
    ) {
        this.addSchema(schema, key, true, _validateSchema);
        return this;
    }
    //  Validate schema against its meta-schema
    validateSchema(schema, throwOrLogError) {
        if (typeof schema == "boolean")
            return true;
        let $schema;
        $schema = schema.$schema;
        if ($schema !== undefined && typeof $schema != "string") {
            throw new Error("$schema must be a string");
        }
        $schema = $schema || this.opts.defaultMeta || this.defaultMeta();
        if (!$schema) {
            this.logger.warn("meta-schema not available");
            this.errors = null;
            return true;
        }
        const valid = this.validate($schema, schema);
        if (!valid && throwOrLogError) {
            const message = "schema is invalid: " + this.errorsText();
            if (this.opts.validateSchema === "log")
                this.logger.error(message);
            else
                throw new Error(message);
        }
        return valid;
    }
    // Get compiled schema by `key` or `ref`.
    // (`key` that was passed to `addSchema` or full schema reference - `schema.$id` or resolved id)
    getSchema(keyRef) {
        let sch;
        while (typeof (sch = getSchEnv.call(this, keyRef)) == "string")
            keyRef = sch;
        if (sch === undefined) {
            const root = new compile_1.SchemaEnv({ schema: {} });
            sch = compile_1.resolveSchema.call(this, root, keyRef);
            if (!sch)
                return;
            this.refs[keyRef] = sch;
        }
        return (sch.validate || this._compileSchemaEnv(sch));
    }
    // Remove cached schema(s).
    // If no parameter is passed all schemas but meta-schemas are removed.
    // If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
    // Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
    removeSchema(schemaKeyRef) {
        if (schemaKeyRef instanceof RegExp) {
            this._removeAllSchemas(this.schemas, schemaKeyRef);
            this._removeAllSchemas(this.refs, schemaKeyRef);
            return this;
        }
        switch (typeof schemaKeyRef) {
            case "undefined":
                this._removeAllSchemas(this.schemas);
                this._removeAllSchemas(this.refs);
                this._cache.clear();
                return this;
            case "string": {
                const sch = getSchEnv.call(this, schemaKeyRef);
                if (typeof sch == "object")
                    this._cache.delete(sch.schema);
                delete this.schemas[schemaKeyRef];
                delete this.refs[schemaKeyRef];
                return this;
            }
            case "object": {
                const cacheKey = schemaKeyRef;
                this._cache.delete(cacheKey);
                let id = schemaKeyRef.$id;
                if (id) {
                    id = resolve_1.normalizeId(id);
                    delete this.schemas[id];
                    delete this.refs[id];
                }
                return this;
            }
            default:
                throw new Error("ajv.removeSchema: invalid parameter");
        }
    }
    // add "vocabulary" - a collection of keywords
    addVocabulary(definitions) {
        for (const def of definitions)
            this.addKeyword(def);
        return this;
    }
    addKeyword(kwdOrDef, def // deprecated
    ) {
        let keyword;
        if (typeof kwdOrDef == "string") {
            keyword = kwdOrDef;
            if (typeof def == "object") {
                this.logger.warn("these parameters are deprecated, see docs for addKeyword");
                def.keyword = keyword;
            }
        }
        else if (typeof kwdOrDef == "object" && def === undefined) {
            def = kwdOrDef;
            keyword = def.keyword;
            if (Array.isArray(keyword) && !keyword.length) {
                throw new Error("addKeywords: keyword must be string or non-empty array");
            }
        }
        else {
            throw new Error("invalid addKeywords parameters");
        }
        checkKeyword.call(this, keyword, def);
        if (!def) {
            util_1.eachItem(keyword, (kwd) => addRule.call(this, kwd));
            return this;
        }
        keywordMetaschema.call(this, def);
        const definition = {
            ...def,
            type: dataType_1.getJSONTypes(def.type),
            schemaType: dataType_1.getJSONTypes(def.schemaType),
        };
        util_1.eachItem(keyword, definition.type.length === 0
            ? (k) => addRule.call(this, k, definition)
            : (k) => definition.type.forEach((t) => addRule.call(this, k, definition, t)));
        return this;
    }
    getKeyword(keyword) {
        const rule = this.RULES.all[keyword];
        return typeof rule == "object" ? rule.definition : !!rule;
    }
    // Remove keyword
    removeKeyword(keyword) {
        // TODO return type should be Ajv
        const { RULES } = this;
        delete RULES.keywords[keyword];
        delete RULES.all[keyword];
        for (const group of RULES.rules) {
            const i = group.rules.findIndex((rule) => rule.keyword === keyword);
            if (i >= 0)
                group.rules.splice(i, 1);
        }
        return this;
    }
    // Add format
    addFormat(name, format) {
        if (typeof format == "string")
            format = new RegExp(format);
        this.formats[name] = format;
        return this;
    }
    errorsText(errors = this.errors, // optional array of validation errors
    { separator = ", ", dataVar = "data" } = {} // optional options with properties `separator` and `dataVar`
    ) {
        if (!errors || errors.length === 0)
            return "No errors";
        return errors
            .map((e) => `${dataVar}${e.dataPath} ${e.message}`)
            .reduce((text, msg) => text + separator + msg);
    }
    $dataMetaSchema(metaSchema, keywordsJsonPointers) {
        const rules = this.RULES.all;
        metaSchema = JSON.parse(JSON.stringify(metaSchema));
        for (const jsonPointer of keywordsJsonPointers) {
            const segments = jsonPointer.split("/").slice(1); // first segment is an empty string
            let keywords = metaSchema;
            for (const seg of segments)
                keywords = keywords[seg];
            for (const key in rules) {
                const rule = rules[key];
                if (typeof rule != "object")
                    continue;
                const { $data } = rule.definition;
                const schema = keywords[key];
                if ($data && schema)
                    keywords[key] = schemaOrData(schema);
            }
        }
        return metaSchema;
    }
    _removeAllSchemas(schemas, regex) {
        for (const keyRef in schemas) {
            const sch = schemas[keyRef];
            if (!regex || regex.test(keyRef)) {
                if (typeof sch == "string") {
                    delete schemas[keyRef];
                }
                else if (sch && !sch.meta) {
                    this._cache.delete(sch.schema);
                    delete schemas[keyRef];
                }
            }
        }
    }
    _addSchema(schema, meta, validateSchema = this.opts.validateSchema, addSchema = this.opts.addUsedSchema) {
        if (typeof schema != "object") {
            if (this.opts.jtd)
                throw new Error("schema must be object");
            else if (typeof schema != "boolean")
                throw new Error("schema must be object or boolean");
        }
        let sch = this._cache.get(schema);
        if (sch !== undefined)
            return sch;
        const localRefs = resolve_1.getSchemaRefs.call(this, schema);
        sch = new compile_1.SchemaEnv({ schema, meta, localRefs });
        this._cache.set(sch.schema, sch);
        const id = sch.baseId;
        if (addSchema && !id.startsWith("#")) {
            // TODO atm it is allowed to overwrite schemas without id (instead of not adding them)
            if (id)
                this._checkUnique(id);
            this.refs[id] = sch;
        }
        if (validateSchema)
            this.validateSchema(schema, true);
        return sch;
    }
    _checkUnique(id) {
        if (this.schemas[id] || this.refs[id]) {
            throw new Error(`schema with key or id "${id}" already exists`);
        }
    }
    _compileSchemaEnv(sch) {
        if (sch.meta)
            this._compileMetaSchema(sch);
        else
            compile_1.compileSchema.call(this, sch);
        /* istanbul ignore if */
        if (!sch.validate)
            throw new Error("ajv implementation error");
        return sch.validate;
    }
    _compileMetaSchema(sch) {
        const currentOpts = this.opts;
        this.opts = this._metaOpts;
        try {
            compile_1.compileSchema.call(this, sch);
        }
        finally {
            this.opts = currentOpts;
        }
    }
}
exports.default = Ajv;
Ajv.ValidationError = error_classes_1.ValidationError;
Ajv.MissingRefError = error_classes_1.MissingRefError;
function checkOptions(checkOpts, options, msg, log = "error") {
    for (const key in checkOpts) {
        const opt = key;
        if (opt in options)
            this.logger[log](`${msg}: option ${key}. ${checkOpts[opt]}`);
    }
}
function getSchEnv(keyRef) {
    keyRef = resolve_1.normalizeId(keyRef); // TODO tests fail without this line
    return this.schemas[keyRef] || this.refs[keyRef];
}
function addInitialSchemas() {
    const optsSchemas = this.opts.schemas;
    if (!optsSchemas)
        return;
    if (Array.isArray(optsSchemas))
        this.addSchema(optsSchemas);
    else
        for (const key in optsSchemas)
            this.addSchema(optsSchemas[key], key);
}
function addInitialFormats() {
    for (const name in this.opts.formats) {
        const format = this.opts.formats[name];
        if (format)
            this.addFormat(name, format);
    }
}
function addInitialKeywords(defs) {
    if (Array.isArray(defs)) {
        this.addVocabulary(defs);
        return;
    }
    this.logger.warn("keywords option as map is deprecated, pass array");
    for (const keyword in defs) {
        const def = defs[keyword];
        if (!def.keyword)
            def.keyword = keyword;
        this.addKeyword(def);
    }
}
function getMetaSchemaOptions() {
    const metaOpts = { ...this.opts };
    for (const opt of META_IGNORE_OPTIONS)
        delete metaOpts[opt];
    return metaOpts;
}
const noLogs = { log() { }, warn() { }, error() { } };
function getLogger(logger) {
    if (logger === false)
        return noLogs;
    if (logger === undefined)
        return console;
    if (logger.log && logger.warn && logger.error)
        return logger;
    throw new Error("logger must implement log, warn and error methods");
}
const KEYWORD_NAME = /^[a-z_$][a-z0-9_$:-]*$/i;
function checkKeyword(keyword, def) {
    const { RULES } = this;
    util_1.eachItem(keyword, (kwd) => {
        if (RULES.keywords[kwd])
            throw new Error(`Keyword ${kwd} is already defined`);
        if (!KEYWORD_NAME.test(kwd))
            throw new Error(`Keyword ${kwd} has invalid name`);
    });
    if (!def)
        return;
    if (def.$data && !("code" in def || "validate" in def)) {
        throw new Error('$data keyword must have "code" or "validate" function');
    }
}
function addRule(keyword, definition, dataType) {
    var _a;
    const post = definition === null || definition === void 0 ? void 0 : definition.post;
    if (dataType && post)
        throw new Error('keyword with "post" flag cannot have "type"');
    const { RULES } = this;
    let ruleGroup = post ? RULES.post : RULES.rules.find(({ type: t }) => t === dataType);
    if (!ruleGroup) {
        ruleGroup = { type: dataType, rules: [] };
        RULES.rules.push(ruleGroup);
    }
    RULES.keywords[keyword] = true;
    if (!definition)
        return;
    const rule = {
        keyword,
        definition: {
            ...definition,
            type: dataType_1.getJSONTypes(definition.type),
            schemaType: dataType_1.getJSONTypes(definition.schemaType),
        },
    };
    if (definition.before)
        addBeforeRule.call(this, ruleGroup, rule, definition.before);
    else
        ruleGroup.rules.push(rule);
    RULES.all[keyword] = rule;
    (_a = definition.implements) === null || _a === void 0 ? void 0 : _a.forEach((kwd) => this.addKeyword(kwd));
}
function addBeforeRule(ruleGroup, rule, before) {
    const i = ruleGroup.rules.findIndex((_rule) => _rule.keyword === before);
    if (i >= 0) {
        ruleGroup.rules.splice(i, 0, rule);
    }
    else {
        ruleGroup.rules.push(rule);
        this.logger.warn(`rule ${before} is not defined`);
    }
}
function keywordMetaschema(def) {
    let { metaSchema } = def;
    if (metaSchema === undefined)
        return;
    if (def.$data && this.opts.$data)
        metaSchema = schemaOrData(metaSchema);
    def.validateSchema = this.compile(metaSchema, true);
}
const $dataRef = {
    $ref: "https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#",
};
function schemaOrData(schema) {
    return { anyOf: [schema, $dataRef] };
}
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