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qwen/nodejs/node_modules/joi/lib/common.js

@@ -0,0 +1,216 @@
+'use strict';
+
+const Assert = require('@hapi/hoek/lib/assert');
+const AssertError = require('@hapi/hoek/lib/error');
+
+const Pkg = require('../package.json');
+
+let Messages;
+let Schemas;
+
+
+const internals = {
+    isoDate: /^(?:[-+]\d{2})?(?:\d{4}(?!\d{2}\b))(?:(-?)(?:(?:0[1-9]|1[0-2])(?:\1(?:[12]\d|0[1-9]|3[01]))?|W(?:[0-4]\d|5[0-2])(?:-?[1-7])?|(?:00[1-9]|0[1-9]\d|[12]\d{2}|3(?:[0-5]\d|6[1-6])))(?![T]$|[T][\d]+Z$)(?:[T\s](?:(?:(?:[01]\d|2[0-3])(?:(:?)[0-5]\d)?|24\:?00)(?:[.,]\d+(?!:))?)(?:\2[0-5]\d(?:[.,]\d+)?)?(?:[Z]|(?:[+-])(?:[01]\d|2[0-3])(?::?[0-5]\d)?)?)?)?$/
+};
+
+
+exports.version = Pkg.version;
+
+
+exports.defaults = {
+    abortEarly: true,
+    allowUnknown: false,
+    artifacts: false,
+    cache: true,
+    context: null,
+    convert: true,
+    dateFormat: 'iso',
+    errors: {
+        escapeHtml: false,
+        label: 'path',
+        language: null,
+        render: true,
+        stack: false,
+        wrap: {
+            label: '"',
+            array: '[]'
+        }
+    },
+    externals: true,
+    messages: {},
+    nonEnumerables: false,
+    noDefaults: false,
+    presence: 'optional',
+    skipFunctions: false,
+    stripUnknown: false,
+    warnings: false
+};
+
+
+exports.symbols = {
+    any: Symbol.for('@hapi/joi/schema'),            // Used to internally identify any-based types (shared with other joi versions)
+    arraySingle: Symbol('arraySingle'),
+    deepDefault: Symbol('deepDefault'),
+    errors: Symbol('errors'),
+    literal: Symbol('literal'),
+    override: Symbol('override'),
+    parent: Symbol('parent'),
+    prefs: Symbol('prefs'),
+    ref: Symbol('ref'),
+    template: Symbol('template'),
+    values: Symbol('values')
+};
+
+
+exports.assertOptions = function (options, keys, name = 'Options') {
+
+    Assert(options && typeof options === 'object' && !Array.isArray(options), 'Options must be of type object');
+    const unknownKeys = Object.keys(options).filter((k) => !keys.includes(k));
+    Assert(unknownKeys.length === 0, `${name} contain unknown keys: ${unknownKeys}`);
+};
+
+
+exports.checkPreferences = function (prefs) {
+
+    Schemas = Schemas || require('./schemas');
+
+    const result = Schemas.preferences.validate(prefs);
+
+    if (result.error) {
+        throw new AssertError([result.error.details[0].message]);
+    }
+};
+
+
+exports.compare = function (a, b, operator) {
+
+    switch (operator) {
+        case '=': return a === b;
+        case '>': return a > b;
+        case '<': return a < b;
+        case '>=': return a >= b;
+        case '<=': return a <= b;
+    }
+};
+
+
+exports.default = function (value, defaultValue) {
+
+    return value === undefined ? defaultValue : value;
+};
+
+
+exports.isIsoDate = function (date) {
+
+    return internals.isoDate.test(date);
+};
+
+
+exports.isNumber = function (value) {
+
+    return typeof value === 'number' && !isNaN(value);
+};
+
+
+exports.isResolvable = function (obj) {
+
+    if (!obj) {
+        return false;
+    }
+
+    return obj[exports.symbols.ref] || obj[exports.symbols.template];
+};
+
+
+exports.isSchema = function (schema, options = {}) {
+
+    const any = schema && schema[exports.symbols.any];
+    if (!any) {
+        return false;
+    }
+
+    Assert(options.legacy || any.version === exports.version, 'Cannot mix different versions of joi schemas');
+    return true;
+};
+
+
+exports.isValues = function (obj) {
+
+    return obj[exports.symbols.values];
+};
+
+
+exports.limit = function (value) {
+
+    return Number.isSafeInteger(value) && value >= 0;
+};
+
+
+exports.preferences = function (target, source) {
+
+    Messages = Messages || require('./messages');
+
+    target = target || {};
+    source = source || {};
+
+    const merged = Object.assign({}, target, source);
+    if (source.errors &&
+        target.errors) {
+
+        merged.errors = Object.assign({}, target.errors, source.errors);
+        merged.errors.wrap = Object.assign({}, target.errors.wrap, source.errors.wrap);
+    }
+
+    if (source.messages) {
+        merged.messages = Messages.compile(source.messages, target.messages);
+    }
+
+    delete merged[exports.symbols.prefs];
+    return merged;
+};
+
+
+exports.tryWithPath = function (fn, key, options = {}) {
+
+    try {
+        return fn();
+    }
+    catch (err) {
+        if (err.path !== undefined) {
+            err.path = key + '.' + err.path;
+        }
+        else {
+            err.path = key;
+        }
+
+        if (options.append) {
+            err.message = `${err.message} (${err.path})`;
+        }
+
+        throw err;
+    }
+};
+
+
+exports.validateArg = function (value, label, { assert, message }) {
+
+    if (exports.isSchema(assert)) {
+        const result = assert.validate(value);
+        if (!result.error) {
+            return;
+        }
+
+        return result.error.message;
+    }
+    else if (!assert(value)) {
+        return label ? `${label} ${message}` : message;
+    }
+};
+
+
+exports.verifyFlat = function (args, method) {
+
+    for (const arg of args) {
+        Assert(!Array.isArray(arg), 'Method no longer accepts array arguments:', method);
+    }
+};