Commit d27c335f authored by Rosanny Sihombing's avatar Rosanny Sihombing
Browse files

update required modules

parent e7c08cdb
import {DelimiterCase} from './delimiter-case';
/**
Convert a string literal to snake-case.
This can be useful when, for example, converting a camel-cased object property to a snake-cased SQL column name.
@example
```
import {SnakeCase} from 'type-fest';
// Simple
const someVariable: SnakeCase<'fooBar'> = 'foo_bar';
// Advanced
type SnakeCasedProps<T> = {
[K in keyof T as SnakeCase<K>]: T[K]
};
interface ModelProps {
isHappy: boolean;
fullFamilyName: string;
foo: number;
}
const dbResult: SnakeCasedProps<ModelProps> = {
'is_happy': true,
'full_family_name': 'Carla Smith',
foo: 123
};
```
*/
export type SnakeCase<Value> = DelimiterCase<Value, '_'>;
{
"name": "@eslint/eslintrc",
"version": "0.4.3",
"description": "The legacy ESLintRC config file format for ESLint",
"main": "lib/index.js",
"files": [
"lib",
"conf",
"LICENSE"
],
"publishConfig": {
"access": "public"
},
"scripts": {
"lint": "eslint . --report-unused-disable-directives",
"fix": "npm run lint -- --fix",
"test": "mocha -R progress -c 'tests/lib/**/*.js'",
"generate-release": "eslint-generate-release",
"generate-alpharelease": "eslint-generate-prerelease alpha",
"generate-betarelease": "eslint-generate-prerelease beta",
"generate-rcrelease": "eslint-generate-prerelease rc",
"publish-release": "eslint-publish-release"
},
"repository": "eslint/eslintrc",
"keywords": [
"ESLint",
"ESLintRC",
"Configuration"
],
"author": "Nicholas C. Zakas",
"license": "MIT",
"bugs": {
"url": "https://github.com/eslint/eslintrc/issues"
},
"homepage": "https://github.com/eslint/eslintrc#readme",
"devDependencies": {
"chai": "^4.2.0",
"eslint": "^7.21.0",
"eslint-config-eslint": "^7.0.0",
"eslint-plugin-jsdoc": "^32.2.0",
"eslint-plugin-node": "^11.1.0",
"eslint-release": "^3.1.2",
"fs-teardown": "0.1.1",
"mocha": "^8.1.1",
"shelljs": "^0.8.4",
"sinon": "^9.2.0",
"temp-dir": "^2.0.0"
},
"dependencies": {
"ajv": "^6.12.4",
"debug": "^4.1.1",
"espree": "^7.3.0",
"globals": "^13.9.0",
"ignore": "^4.0.6",
"import-fresh": "^3.2.1",
"js-yaml": "^3.13.1",
"minimatch": "^3.0.4",
"strip-json-comments": "^3.1.1"
},
"engines": {
"node": "^10.12.0 || >=12.0.0"
}
}
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# Config Array
by [Nicholas C. Zakas](https://humanwhocodes.com)
If you find this useful, please consider supporting my work with a [donation](https://humanwhocodes.com/donate).
## Description
A config array is a way of managing configurations that are based on glob pattern matching of filenames. Each config array contains the information needed to determine the correct configuration for any file based on the filename.
## Background
In 2019, I submitted an [ESLint RFC](https://github.com/eslint/rfcs/pull/9) proposing a new way of configuring ESLint. The goal was to streamline what had become an increasingly complicated configuration process. Over several iterations, this proposal was eventually born.
The basic idea is that all configuration, including overrides, can be represented by a single array where each item in the array is a config object. Config objects appearing later in the array override config objects appearing earlier in the array. You can calculate a config for a given file by traversing all config objects in the array to find the ones that match the filename. Matching is done by specifying glob patterns in `files` and `ignores` properties on each config object. Here's an example:
```js
export default [
// match all JSON files
{
name: "JSON Handler",
files: ["**/*.json"],
handler: jsonHandler
},
// match only package.json
{
name: "package.json Handler",
files: ["package.json"],
handler: packageJsonHandler
}
];
```
In this example, there are two config objects: the first matches all JSON files in all directories and the second matches just `package.json` in the base path directory (all the globs are evaluated as relative to a base path that can be specified). When you retrieve a configuration for `foo.json`, only the first config object matches so `handler` is equal to `jsonHandler`; when you retrieve a configuration for `package.json`, `handler` is equal to `packageJsonHandler` (because both config objects match, the second one wins).
## Installation
You can install the package using npm or Yarn:
```bash
npm install @humanwhocodes/config-array --save
# or
yarn add @humanwhocodes/config-array
```
## Usage
First, import the `ConfigArray` constructor:
```js
import { ConfigArray } from "@humanwhocodes/config-array";
// or using CommonJS
const { ConfigArray } = require("@humanwhocodes/config-array");
```
When you create a new instance of `ConfigArray`, you must pass in two arguments: an array of configs and an options object. The array of configs is most likely read in from a configuration file, so here's a typical example:
```js
const configFilename = path.resolve(process.cwd(), "my.config.js");
const { default: rawConfigs } = await import(configFilename);
const configs = new ConfigArray(rawConfigs, {
// the path to match filenames from
basePath: process.cwd(),
// additional items in each config
schema: mySchema
});
```
This example reads in an object or array from `my.config.js` and passes it into the `ConfigArray` constructor as the first argument. The second argument is an object specifying the `basePath` (the directoy in which `my.config.js` is found) and a `schema` to define the additional properties of a config object beyond `files`, `ignores`, and `name`.
### Specifying a Schema
The `schema` option is required for you to use additional properties in config objects. The schema is object that follows the format of an [`ObjectSchema`](https://npmjs.com/package/@humanwhocodes/object-schema). The schema specifies both validation and merge rules that the `ConfigArray` instance needs to combine configs when there are multiple matches. Here's an example:
```js
const configFilename = path.resolve(process.cwd(), "my.config.js");
const { default: rawConfigs } = await import(configFilename);
const mySchema = {
// define the handler key in configs
handler: {
required: true,
merge(a, b) {
if (!b) return a;
if (!a) return b;
},
validate(value) {
if (typeof value !== "function") {
throw new TypeError("Function expected.");
}
}
}
};
const configs = new ConfigArray(rawConfigs, {
// the path to match filenames from
basePath: process.cwd(),
// additional items in each config
schema: mySchema
});
```
### Config Arrays
Config arrays can be multidimensional, so it's possible for a config array to contain another config array, such as:
```js
export default [
// JS config
{
files: ["**/*.js"],
handler: jsHandler
},
// JSON configs
[
// match all JSON files
{
name: "JSON Handler",
files: ["**/*.json"],
handler: jsonHandler
},
// match only package.json
{
name: "package.json Handler",
files: ["package.json"],
handler: packageJsonHandler
}
],
// filename must match function
{
files: [ filePath => filePath.endsWith(".md") ],
handler: markdownHandler
},
// filename must match all patterns in subarray
{
files: [ ["*.test.*", "*.js"] ],
handler: jsTestHandler
},
// filename must not match patterns beginning with !
{
name: "Non-JS files",
files: ["!*.js"],
settings: {
js: false
}
}
];
```
In this example, the array contains both config objects and a config array. When a config array is normalized (see details below), it is flattened so only config objects remain. However, the order of evaluation remains the same.
If the `files` array contains a function, then that function is called with the absolute path of the file and is expected to return `true` if there is a match and `false` if not. (The `ignores` array can also contain functions.)
If the `files` array contains an item that is an array of strings and functions, then all patterns must match in order for the config to match. In the preceding examples, both `*.test.*` and `*.js` must match in order for the config object to be used.
If a pattern in the files array begins with `!` then it excludes that pattern. In the preceding example, any filename that doesn't end with `.js` will automatically getting a `settings.js` property set to `false`.
### Config Functions
Config arrays can also include config functions. A config function accepts a single parameter, `context` (defined by you), and must return either a config object or a config array (it cannot return another function). Config functions allow end users to execute code in the creation of appropriate config objects. Here's an example:
```js
export default [
// JS config
{
files: ["**/*.js"],
handler: jsHandler
},
// JSON configs
function (context) {
return [
// match all JSON files
{
name: context.name + " JSON Handler",
files: ["**/*.json"],
handler: jsonHandler
},
// match only package.json
{
name: context.name + " package.json Handler",
files: ["package.json"],
handler: packageJsonHandler
}
];
}
];
```
When a config array is normalized, each function is executed and replaced in the config array with the return value.
**Note:** Config functions cannot be async. This will be added in a future version.
### Normalizing Config Arrays
Once a config array has been created and loaded with all of the raw config data, it must be normalized before it can be used. The normalization process goes through and flattens the config array as well as executing all config functions to get their final values.
To normalize a config array, call the `normalize()` method and pass in a context object:
```js
await configs.normalize({
name: "MyApp"
});
```
The `normalize()` method returns a promise, so be sure to use the `await` operator. The config array instance is normalized in-place, so you don't need to create a new variable.
**Important:** Once a `ConfigArray` is normalized, it cannot be changed further. You can, however, create a new `ConfigArray` and pass in the normalized instance to create an unnormalized copy.
### Getting Config for a File
To get the config for a file, use the `getConfig()` method on a normalized config array and pass in the filename to get a config for:
```js
// pass in absolute filename
const fileConfig = configs.getConfig(path.resolve(process.cwd(), "package.json"));
```
The config array always returns an object, even if there are no configs matching the given filename. You can then inspect the returned config object to determine how to proceed.
A few things to keep in mind:
* You must pass in the absolute filename to get a config for.
* The returned config object never has `files`, `ignores`, or `name` properties; the only properties on the object will be the other configuration options specified.
* The config array caches configs, so subsequent calls to `getConfig()` with the same filename will return in a fast lookup rather than another calculation.
## Acknowledgements
The design of this project was influenced by feedback on the ESLint RFC, and incorporates ideas from:
* Teddy Katz (@not-an-aardvark)
* Toru Nagashima (@mysticatea)
* Kai Cataldo (@kaicataldo)
## License
Apache 2.0
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var path = _interopDefault(require('path'));
var minimatch = _interopDefault(require('minimatch'));
var createDebug = _interopDefault(require('debug'));
var objectSchema = require('@humanwhocodes/object-schema');
/**
* @fileoverview ConfigSchema
* @author Nicholas C. Zakas
*/
//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------
/**
* Assets that a given value is an array.
* @param {*} value The value to check.
* @returns {void}
* @throws {TypeError} When the value is not an array.
*/
function assertIsArray(value) {
if (!Array.isArray(value)) {
throw new TypeError('Expected value to be an array.');
}
}
/**
* Assets that a given value is an array containing only strings and functions.
* @param {*} value The value to check.
* @returns {void}
* @throws {TypeError} When the value is not an array of strings and functions.
*/
function assertIsArrayOfStringsAndFunctions(value, name) {
assertIsArray(value);
if (value.some(item => typeof item !== 'string' && typeof item !== 'function')) {
throw new TypeError('Expected array to only contain strings.');
}
}
//------------------------------------------------------------------------------
// Exports
//------------------------------------------------------------------------------
/**
* The base schema that every ConfigArray uses.
* @type Object
*/
const baseSchema = Object.freeze({
name: {
required: false,
merge() {
return undefined;
},
validate(value) {
if (typeof value !== 'string') {
throw new TypeError('Property must be a string.');
}
}
},
files: {
required: false,
merge() {
return undefined;
},
validate(value) {
// first check if it's an array
assertIsArray(value);
// then check each member
value.forEach(item => {
if (Array.isArray(item)) {
assertIsArrayOfStringsAndFunctions(item);
} else if (typeof item !== 'string' && typeof item !== 'function') {
throw new TypeError('Items must be a string, a function, or an array of strings and functions.');
}
});
}
},
ignores: {
required: false,
merge() {
return undefined;
},
validate: assertIsArrayOfStringsAndFunctions
}
});
/**
* @fileoverview ConfigArray
* @author Nicholas C. Zakas
*/
//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------
const debug = createDebug('@hwc/config-array');
const MINIMATCH_OPTIONS = {
matchBase: true
};
/**
* Shorthand for checking if a value is a string.
* @param {any} value The value to check.
* @returns {boolean} True if a string, false if not.
*/
function isString(value) {
return typeof value === 'string';
}
/**
* Normalizes a `ConfigArray` by flattening it and executing any functions
* that are found inside.
* @param {Array} items The items in a `ConfigArray`.
* @param {Object} context The context object to pass into any function
* found.
* @returns {Array} A flattened array containing only config objects.
* @throws {TypeError} When a config function returns a function.
*/
async function normalize(items, context) {
// TODO: Allow async config functions
function *flatTraverse(array) {
for (let item of array) {
if (typeof item === 'function') {
item = item(context);
}
if (Array.isArray(item)) {
yield * flatTraverse(item);
} else if (typeof item === 'function') {
throw new TypeError('A config function can only return an object or array.');
} else {
yield item;
}
}
}
return [...flatTraverse(items)];
}
/**
* Determines if a given file path is matched by a config. If the config
* has no `files` field, then it matches; otherwise, if a `files` field
* is present then we match the globs in `files` and exclude any globs in
* `ignores`.
* @param {string} filePath The absolute file path to check.
* @param {Object} config The config object to check.
* @returns {boolean} True if the file path is matched by the config,
* false if not.
*/
function pathMatches(filePath, basePath, config) {
// a config without a `files` field always matches
if (!config.files) {
return true;
}
// if files isn't an array, throw an error
if (!Array.isArray(config.files) || config.files.length === 0) {
throw new TypeError('The files key must be a non-empty array.');
}
const relativeFilePath = path.relative(basePath, filePath);
// match both strings and functions
const match = pattern => {
if (isString(pattern)) {
return minimatch(relativeFilePath, pattern, MINIMATCH_OPTIONS);
}
if (typeof pattern === 'function') {
return pattern(filePath);
}
};
// check for all matches to config.files
let matches = config.files.some(pattern => {
if (Array.isArray(pattern)) {
return pattern.every(match);
}
return match(pattern);
});
/*
* If the file path matches the config.files patterns, then check to see
* if there are any files to ignore.
*/
if (matches && config.ignores) {
matches = !config.ignores.some(pattern => {
return minimatch(filePath, pattern, MINIMATCH_OPTIONS);
});
}
return matches;
}
/**
* Ensures that a ConfigArray has been normalized.
* @param {ConfigArray} configArray The ConfigArray to check.
* @returns {void}
* @throws {Error} When the `ConfigArray` is not normalized.
*/
function assertNormalized(configArray) {
// TODO: Throw more verbose error
if (!configArray.isNormalized()) {
throw new Error('ConfigArray must be normalized to perform this operation.');
}
}
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
const ConfigArraySymbol = {
isNormalized: Symbol('isNormalized'),
configCache: Symbol('configCache'),
schema: Symbol('schema'),
finalizeConfig: Symbol('finalizeConfig'),
preprocessConfig: Symbol('preprocessConfig')
};
/**
* Represents an array of config objects and provides method for working with
* those config objects.
*/
class ConfigArray extends Array {
/**
* Creates a new instance of ConfigArray.
* @param {Iterable|Function|Object} configs An iterable yielding config
* objects, or a config function, or a config object.
* @param {string} [options.basePath=""] The path of the config file
* @param {boolean} [options.normalized=false] Flag indicating if the
* configs have already been normalized.
* @param {Object} [options.schema] The additional schema
* definitions to use for the ConfigArray schema.
*/
constructor(configs, { basePath = '', normalized = false, schema: customSchema } = {}) {
super();
/**
* Tracks if the array has been normalized.
* @property isNormalized
* @type boolean
* @private
*/
this[ConfigArraySymbol.isNormalized] = normalized;
/**
* The schema used for validating and merging configs.
* @property schema
* @type ObjectSchema
* @private
*/
this[ConfigArraySymbol.schema] = new objectSchema.ObjectSchema({
...customSchema,
...baseSchema
});
/**
* The path of the config file that this array was loaded from.
* This is used to calculate filename matches.
* @property basePath
* @type string
*/
this.basePath = basePath;
/**
* A cache to store calculated configs for faster repeat lookup.
* @property configCache
* @type Map
* @private
*/
this[ConfigArraySymbol.configCache] = new Map();
// load the configs into this array
if (Array.isArray(configs)) {
this.push(...configs);
} else {
this.push(configs);
}
}
/**
* Prevent normal array methods from creating a new `ConfigArray` instance.
* This is to ensure that methods such as `slice()` won't try to create a
* new instance of `ConfigArray` behind the scenes as doing so may throw
* an error due to the different constructor signature.
* @returns {Function} The `Array` constructor.
*/
static get [Symbol.species]() {
return Array;
}
/**
* Returns the `files` globs from every config object in the array.
* Negated patterns (those beginning with `!`) are not returned.
* This can be used to determine which files will be matched by a
* config array or to use as a glob pattern when no patterns are provided
* for a command line interface.
* @returns {string[]} An array of string patterns.
*/
get files() {
assertNormalized(this);
const result = [];
for (const config of this) {
if (config.files) {
config.files.forEach(filePattern => {
if (Array.isArray(filePattern)) {
result.push(...filePattern.filter(pattern => {
return isString(pattern) && !pattern.startsWith('!');
}));
} else if (isString(filePattern) && !filePattern.startsWith('!')) {
result.push(filePattern);
}
});
}
}
return result;
}
/**
* Returns the file globs that should always be ignored regardless of
* the matching `files` fields in any configs. This is necessary to mimic
* the behavior of things like .gitignore and .eslintignore, allowing a
* globbing operation to be faster.
* @returns {string[]} An array of string patterns to be ignored.
*/
get ignores() {
assertNormalized(this);
const result = [];
for (const config of this) {
if (config.ignores && !config.files) {
result.push(...config.ignores.filter(isString));
}
}
return result;
}
/**
* Indicates if the config array has been normalized.
* @returns {boolean} True if the config array is normalized, false if not.
*/
isNormalized() {
return this[ConfigArraySymbol.isNormalized];
}
/**
* Normalizes a config array by flattening embedded arrays and executing
* config functions.
* @param {ConfigContext} context The context object for config functions.
* @returns {ConfigArray} A new ConfigArray instance that is normalized.
*/
async normalize(context = {}) {
if (!this.isNormalized()) {
const normalizedConfigs = await normalize(this, context);
this.length = 0;
this.push(...normalizedConfigs.map(this[ConfigArraySymbol.preprocessConfig]));
this[ConfigArraySymbol.isNormalized] = true;
// prevent further changes
Object.freeze(this);
}
return this;
}
/**
* Finalizes the state of a config before being cached and returned by
* `getConfig()`. Does nothing by default but is provided to be
* overridden by subclasses as necessary.
* @param {Object} config The config to finalize.
* @returns {Object} The finalized config.
*/
[ConfigArraySymbol.finalizeConfig](config) {
return config;
}
/**
* Preprocesses a config during the normalization process. This is the
* method to override if you want to convert an array item before it is
* validated for the first time. For example, if you want to replace a
* string with an object, this is the method to override.
* @param {Object} config The config to preprocess.
* @returns {Object} The config to use in place of the argument.
*/
[ConfigArraySymbol.preprocessConfig](config) {
return config;
}
/**
* Returns the config object for a given file path.
* @param {string} filePath The complete path of a file to get a config for.
* @returns {Object} The config object for this file.
*/
getConfig(filePath) {
assertNormalized(this);
// first check the cache to avoid duplicate work
let finalConfig = this[ConfigArraySymbol.configCache].get(filePath);
if (finalConfig) {
return finalConfig;
}
// No config found in cache, so calculate a new one
const matchingConfigs = [];
for (const config of this) {
if (pathMatches(filePath, this.basePath, config)) {
debug(`Matching config found for ${filePath}`);
matchingConfigs.push(config);
} else {
debug(`No matching config found for ${filePath}`);
}
}
finalConfig = matchingConfigs.reduce((result, config) => {
return this[ConfigArraySymbol.schema].merge(result, config);
}, {}, this);
finalConfig = this[ConfigArraySymbol.finalizeConfig](finalConfig);
this[ConfigArraySymbol.configCache].set(filePath, finalConfig);
return finalConfig;
}
}
exports.ConfigArray = ConfigArray;
exports.ConfigArraySymbol = ConfigArraySymbol;
{
"name": "@humanwhocodes/config-array",
"version": "0.5.0",
"description": "Glob-based configuration matching.",
"author": "Nicholas C. Zakas",
"main": "api.js",
"files": [
"api.js"
],
"repository": {
"type": "git",
"url": "git+https://github.com/humanwhocodes/config-array.git"
},
"bugs": {
"url": "https://github.com/humanwhocodes/config-array/issues"
},
"homepage": "https://github.com/humanwhocodes/config-array#readme",
"scripts": {
"build": "rollup -c",
"format": "nitpik",
"lint": "eslint *.config.js src/*.js tests/*.js",
"prepublish": "npm run build",
"test:coverage": "nyc --include src/*.js npm run test",
"test": "mocha -r esm tests/ --recursive"
},
"gitHooks": {
"pre-commit": "lint-staged"
},
"lint-staged": {
"*.js": [
"nitpik",
"eslint --fix --ignore-pattern '!.eslintrc.js'"
]
},
"keywords": [
"configuration",
"configarray",
"config file"
],
"license": "Apache-2.0",
"engines": {
"node": ">=10.10.0"
},
"dependencies": {
"@humanwhocodes/object-schema": "^1.2.0",
"debug": "^4.1.1",
"minimatch": "^3.0.4"
},
"devDependencies": {
"@nitpik/javascript": "^0.3.3",
"@nitpik/node": "0.0.5",
"chai": "^4.2.0",
"eslint": "^6.7.1",
"esm": "^3.2.25",
"lint-staged": "^10.2.8",
"mocha": "^6.1.4",
"nyc": "^14.1.1",
"rollup": "^1.12.3",
"yorkie": "^2.0.0"
}
}
\ No newline at end of file
module.exports = {
"env": {
"commonjs": true,
"es6": true,
"node": true
},
"extends": "eslint:recommended",
"parserOptions": {
"ecmaVersion": 2018
},
"rules": {
"indent": [
"error",
4
],
"linebreak-style": [
"error",
"unix"
],
"quotes": [
"error",
"double"
],
"semi": [
"error",
"always"
]
}
};
\ No newline at end of file
name: Node CI
on: [push, pull_request]
jobs:
build:
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: [windows-latest, macOS-latest, ubuntu-latest]
node: [8.x, 10.x, 12.x, 14.x]
steps:
- uses: actions/checkout@v1
- name: Use Node.js ${{ matrix.node-version }}
uses: actions/setup-node@v1
with:
node-version: ${{ matrix.node-version }}
- name: npm install, build, and test
run: |
npm install
npm run build --if-present
npm test
env:
CI: true
on:
push:
branches:
- main
name: release-please
jobs:
release-please:
runs-on: ubuntu-latest
steps:
- uses: GoogleCloudPlatform/release-please-action@v2
id: release
with:
release-type: node
package-name: test-release-please
# The logic below handles the npm publication:
- uses: actions/checkout@v2
# these if statements ensure that a publication only occurs when
# a new release is created:
if: ${{ steps.release.outputs.release_created }}
- uses: actions/setup-node@v1
with:
node-version: 12
registry-url: 'https://registry.npmjs.org'
if: ${{ steps.release.outputs.release_created }}
- run: npm ci
if: ${{ steps.release.outputs.release_created }}
- run: npm publish
env:
NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
if: ${{ steps.release.outputs.release_created }}
# Tweets out release announcement
- run: 'npx @humanwhocodes/tweet "Object Schema v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }}.${{ steps.release.outputs.patch }} has been released!\n\n${{ github.event.release.html_url }}"'
if: ${{ steps.release.outputs.release_created }}
env:
TWITTER_CONSUMER_KEY: ${{ secrets.TWITTER_CONSUMER_KEY }}
TWITTER_CONSUMER_SECRET: ${{ secrets.TWITTER_CONSUMER_SECRET }}
TWITTER_ACCESS_TOKEN_KEY: ${{ secrets.TWITTER_ACCESS_TOKEN_KEY }}
TWITTER_ACCESS_TOKEN_SECRET: ${{ secrets.TWITTER_ACCESS_TOKEN_SECRET }}
# Changelog
### [1.2.1](https://www.github.com/humanwhocodes/object-schema/compare/v1.2.0...v1.2.1) (2021-11-02)
### Bug Fixes
* Never return original object from individual config ([5463c5c](https://www.github.com/humanwhocodes/object-schema/commit/5463c5c6d2cb35a7b7948dffc37c899a41d1775f))
BSD 3-Clause License
Copyright (c) 2019, Human Who Codes
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# JavaScript ObjectSchema Package
by [Nicholas C. Zakas](https://humanwhocodes.com)
If you find this useful, please consider supporting my work with a [donation](https://humanwhocodes.com/donate).
## Overview
A JavaScript object merge/validation utility where you can define a different merge and validation strategy for each key. This is helpful when you need to validate complex data structures and then merge them in a way that is more complex than `Object.assign()`.
## Installation
You can install using either npm:
```
npm install @humanwhocodes/object-schema
```
Or Yarn:
```
yarn add @humanwhocodes/object-schema
```
## Usage
Use CommonJS to get access to the `ObjectSchema` constructor:
```js
const { ObjectSchema } = require("@humanwhocodes/object-schema");
const schema = new ObjectSchema({
// define a definition for the "downloads" key
downloads: {
required: true,
merge(value1, value2) {
return value1 + value2;
},
validate(value) {
if (typeof value !== "number") {
throw new Error("Expected downloads to be a number.");
}
}
},
// define a strategy for the "versions" key
version: {
required: true,
merge(value1, value2) {
return value1.concat(value2);
},
validate(value) {
if (!Array.isArray(value)) {
throw new Error("Expected versions to be an array.");
}
}
}
});
const record1 = {
downloads: 25,
versions: [
"v1.0.0",
"v1.1.0",
"v1.2.0"
]
};
const record2 = {
downloads: 125,
versions: [
"v2.0.0",
"v2.1.0",
"v3.0.0"
]
};
// make sure the records are valid
schema.validate(record1);
schema.validate(record2);
// merge together (schema.merge() accepts any number of objects)
const result = schema.merge(record1, record2);
// result looks like this:
const result = {
downloads: 75,
versions: [
"v1.0.0",
"v1.1.0",
"v1.2.0",
"v2.0.0",
"v2.1.0",
"v3.0.0"
]
};
```
## Tips and Tricks
### Named merge strategies
Instead of specifying a `merge()` method, you can specify one of the following strings to use a default merge strategy:
* `"assign"` - use `Object.assign()` to merge the two values into one object.
* `"overwrite"` - the second value always replaces the first.
* `"replace"` - the second value replaces the first if the second is not `undefined`.
For example:
```js
const schema = new ObjectSchema({
name: {
merge: "replace",
validate() {}
}
});
```
### Named validation strategies
Instead of specifying a `validate()` method, you can specify one of the following strings to use a default validation strategy:
* `"array"` - value must be an array.
* `"boolean"` - value must be a boolean.
* `"number"` - value must be a number.
* `"object"` - value must be an object.
* `"object?"` - value must be an object or null.
* `"string"` - value must be a string.
* `"string!"` - value must be a non-empty string.
For example:
```js
const schema = new ObjectSchema({
name: {
merge: "replace",
validate: "string"
}
});
```
### Subschemas
If you are defining a key that is, itself, an object, you can simplify the process by using a subschema. Instead of defining `merge()` and `validate()`, assign a `schema` key that contains a schema definition, like this:
```js
const schema = new ObjectSchema({
name: {
schema: {
first: {
merge: "replace",
validate: "string"
},
last: {
merge: "replace",
validate: "string"
}
}
}
});
schema.validate({
name: {
first: "n",
last: "z"
}
});
```
### Remove Keys During Merge
If the merge strategy for a key returns `undefined`, then the key will not appear in the final object. For example:
```js
const schema = new ObjectSchema({
date: {
merge() {
return undefined;
},
validate(value) {
Date.parse(value); // throws an error when invalid
}
}
});
const object1 = { date: "5/5/2005" };
const object2 = { date: "6/6/2006" };
const result = schema.merge(object1, object2);
console.log("date" in result); // false
```
### Requiring Another Key Be Present
If you'd like the presence of one key to require the presence of another key, you can use the `requires` property to specify an array of other properties that any key requires. For example:
```js
const schema = new ObjectSchema();
const schema = new ObjectSchema({
date: {
merge() {
return undefined;
},
validate(value) {
Date.parse(value); // throws an error when invalid
}
},
time: {
requires: ["date"],
merge(first, second) {
return second;
},
validate(value) {
// ...
}
}
});
// throws error: Key "time" requires keys "date"
schema.validate({
time: "13:45"
});
```
In this example, even though `date` is an optional key, it is required to be present whenever `time` is present.
## License
BSD 3-Clause
{
"name": "@humanwhocodes/object-schema",
"version": "1.2.1",
"description": "An object schema merger/validator",
"main": "src/index.js",
"directories": {
"test": "tests"
},
"scripts": {
"test": "mocha tests/"
},
"repository": {
"type": "git",
"url": "git+https://github.com/humanwhocodes/object-schema.git"
},
"keywords": [
"object",
"validation",
"schema",
"merge"
],
"author": "Nicholas C. Zakas",
"license": "BSD-3-Clause",
"bugs": {
"url": "https://github.com/humanwhocodes/object-schema/issues"
},
"homepage": "https://github.com/humanwhocodes/object-schema#readme",
"devDependencies": {
"chai": "^4.2.0",
"eslint": "^5.13.0",
"mocha": "^5.2.0"
}
}
/**
* @filedescription Object Schema Package
*/
exports.ObjectSchema = require("./object-schema").ObjectSchema;
exports.MergeStrategy = require("./merge-strategy").MergeStrategy;
exports.ValidationStrategy = require("./validation-strategy").ValidationStrategy;
/**
* @filedescription Merge Strategy
*/
"use strict";
//-----------------------------------------------------------------------------
// Class
//-----------------------------------------------------------------------------
/**
* Container class for several different merge strategies.
*/
class MergeStrategy {
/**
* Merges two keys by overwriting the first with the second.
* @param {*} value1 The value from the first object key.
* @param {*} value2 The value from the second object key.
* @returns {*} The second value.
*/
static overwrite(value1, value2) {
return value2;
}
/**
* Merges two keys by replacing the first with the second only if the
* second is defined.
* @param {*} value1 The value from the first object key.
* @param {*} value2 The value from the second object key.
* @returns {*} The second value if it is defined.
*/
static replace(value1, value2) {
if (typeof value2 !== "undefined") {
return value2;
}
return value1;
}
/**
* Merges two properties by assigning properties from the second to the first.
* @param {*} value1 The value from the first object key.
* @param {*} value2 The value from the second object key.
* @returns {*} A new object containing properties from both value1 and
* value2.
*/
static assign(value1, value2) {
return Object.assign({}, value1, value2);
}
}
exports.MergeStrategy = MergeStrategy;
/**
* @filedescription Object Schema
*/
"use strict";
//-----------------------------------------------------------------------------
// Requirements
//-----------------------------------------------------------------------------
const { MergeStrategy } = require("./merge-strategy");
const { ValidationStrategy } = require("./validation-strategy");
//-----------------------------------------------------------------------------
// Private
//-----------------------------------------------------------------------------
const strategies = Symbol("strategies");
const requiredKeys = Symbol("requiredKeys");
/**
* Validates a schema strategy.
* @param {string} name The name of the key this strategy is for.
* @param {Object} strategy The strategy for the object key.
* @param {boolean} [strategy.required=true] Whether the key is required.
* @param {string[]} [strategy.requires] Other keys that are required when
* this key is present.
* @param {Function} strategy.merge A method to call when merging two objects
* with the same key.
* @param {Function} strategy.validate A method to call when validating an
* object with the key.
* @returns {void}
* @throws {Error} When the strategy is missing a name.
* @throws {Error} When the strategy is missing a merge() method.
* @throws {Error} When the strategy is missing a validate() method.
*/
function validateDefinition(name, strategy) {
let hasSchema = false;
if (strategy.schema) {
if (typeof strategy.schema === "object") {
hasSchema = true;
} else {
throw new TypeError("Schema must be an object.");
}
}
if (typeof strategy.merge === "string") {
if (!(strategy.merge in MergeStrategy)) {
throw new TypeError(`Definition for key "${name}" missing valid merge strategy.`);
}
} else if (!hasSchema && typeof strategy.merge !== "function") {
throw new TypeError(`Definition for key "${name}" must have a merge property.`);
}
if (typeof strategy.validate === "string") {
if (!(strategy.validate in ValidationStrategy)) {
throw new TypeError(`Definition for key "${name}" missing valid validation strategy.`);
}
} else if (!hasSchema && typeof strategy.validate !== "function") {
throw new TypeError(`Definition for key "${name}" must have a validate() method.`);
}
}
//-----------------------------------------------------------------------------
// Class
//-----------------------------------------------------------------------------
/**
* Represents an object validation/merging schema.
*/
class ObjectSchema {
/**
* Creates a new instance.
*/
constructor(definitions) {
if (!definitions) {
throw new Error("Schema definitions missing.");
}
/**
* Track all strategies in the schema by key.
* @type {Map}
* @property strategies
*/
this[strategies] = new Map();
/**
* Separately track any keys that are required for faster validation.
* @type {Map}
* @property requiredKeys
*/
this[requiredKeys] = new Map();
// add in all strategies
for (const key of Object.keys(definitions)) {
validateDefinition(key, definitions[key]);
// normalize merge and validate methods if subschema is present
if (typeof definitions[key].schema === "object") {
const schema = new ObjectSchema(definitions[key].schema);
definitions[key] = {
...definitions[key],
merge(first = {}, second = {}) {
return schema.merge(first, second);
},
validate(value) {
ValidationStrategy.object(value);
schema.validate(value);
}
};
}
// normalize the merge method in case there's a string
if (typeof definitions[key].merge === "string") {
definitions[key] = {
...definitions[key],
merge: MergeStrategy[definitions[key].merge]
};
};
// normalize the validate method in case there's a string
if (typeof definitions[key].validate === "string") {
definitions[key] = {
...definitions[key],
validate: ValidationStrategy[definitions[key].validate]
};
};
this[strategies].set(key, definitions[key]);
if (definitions[key].required) {
this[requiredKeys].set(key, definitions[key]);
}
}
}
/**
* Determines if a strategy has been registered for the given object key.
* @param {string} key The object key to find a strategy for.
* @returns {boolean} True if the key has a strategy registered, false if not.
*/
hasKey(key) {
return this[strategies].has(key);
}
/**
* Merges objects together to create a new object comprised of the keys
* of the all objects. Keys are merged based on the each key's merge
* strategy.
* @param {...Object} objects The objects to merge.
* @returns {Object} A new object with a mix of all objects' keys.
* @throws {Error} If any object is invalid.
*/
merge(...objects) {
// double check arguments
if (objects.length < 2) {
throw new Error("merge() requires at least two arguments.");
}
if (objects.some(object => (object == null || typeof object !== "object"))) {
throw new Error("All arguments must be objects.");
}
return objects.reduce((result, object) => {
this.validate(object);
for (const [key, strategy] of this[strategies]) {
try {
if (key in result || key in object) {
const value = strategy.merge.call(this, result[key], object[key]);
if (value !== undefined) {
result[key] = value;
}
}
} catch (ex) {
ex.message = `Key "${key}": ` + ex.message;
throw ex;
}
}
return result;
}, {});
}
/**
* Validates an object's keys based on the validate strategy for each key.
* @param {Object} object The object to validate.
* @returns {void}
* @throws {Error} When the object is invalid.
*/
validate(object) {
// check existing keys first
for (const key of Object.keys(object)) {
// check to see if the key is defined
if (!this.hasKey(key)) {
throw new Error(`Unexpected key "${key}" found.`);
}
// validate existing keys
const strategy = this[strategies].get(key);
// first check to see if any other keys are required
if (Array.isArray(strategy.requires)) {
if (!strategy.requires.every(otherKey => otherKey in object)) {
throw new Error(`Key "${key}" requires keys "${strategy.requires.join("\", \"")}".`);
}
}
// now apply remaining validation strategy
try {
strategy.validate.call(strategy, object[key]);
} catch (ex) {
ex.message = `Key "${key}": ` + ex.message;
throw ex;
}
}
// ensure required keys aren't missing
for (const [key] of this[requiredKeys]) {
if (!(key in object)) {
throw new Error(`Missing required key "${key}".`);
}
}
}
}
exports.ObjectSchema = ObjectSchema;
/**
* @filedescription Validation Strategy
*/
"use strict";
//-----------------------------------------------------------------------------
// Class
//-----------------------------------------------------------------------------
/**
* Container class for several different validation strategies.
*/
class ValidationStrategy {
/**
* Validates that a value is an array.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static array(value) {
if (!Array.isArray(value)) {
throw new TypeError("Expected an array.");
}
}
/**
* Validates that a value is a boolean.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static boolean(value) {
if (typeof value !== "boolean") {
throw new TypeError("Expected a Boolean.");
}
}
/**
* Validates that a value is a number.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static number(value) {
if (typeof value !== "number") {
throw new TypeError("Expected a number.");
}
}
/**
* Validates that a value is a object.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static object(value) {
if (!value || typeof value !== "object") {
throw new TypeError("Expected an object.");
}
}
/**
* Validates that a value is a object or null.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static "object?"(value) {
if (typeof value !== "object") {
throw new TypeError("Expected an object or null.");
}
}
/**
* Validates that a value is a string.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static string(value) {
if (typeof value !== "string") {
throw new TypeError("Expected a string.");
}
}
/**
* Validates that a value is a non-empty string.
* @param {*} value The value to validate.
* @returns {void}
* @throws {TypeError} If the value is invalid.
*/
static "string!"(value) {
if (typeof value !== "string" || value.length === 0) {
throw new TypeError("Expected a non-empty string.");
}
}
}
exports.ValidationStrategy = ValidationStrategy;
/**
* @filedescription Merge Strategy Tests
*/
/* global it, describe, beforeEach */
"use strict";
//-----------------------------------------------------------------------------
// Requirements
//-----------------------------------------------------------------------------
const assert = require("chai").assert;
const { MergeStrategy } = require("../src/");
//-----------------------------------------------------------------------------
// Class
//-----------------------------------------------------------------------------
describe("MergeStrategy", () => {
describe("overwrite()", () => {
it("should overwrite the first value with the second when the second is defined", () => {
const result = MergeStrategy.overwrite(1, 2);
assert.strictEqual(result, 2);
});
it("should overwrite the first value with the second when the second is undefined", () => {
const result = MergeStrategy.overwrite(1, undefined);
assert.strictEqual(result, undefined);
});
});
describe("replace()", () => {
it("should overwrite the first value with the second when the second is defined", () => {
const result = MergeStrategy.replace(1, 2);
assert.strictEqual(result, 2);
});
it("should return the first value when the second is undefined", () => {
const result = MergeStrategy.replace(1, undefined);
assert.strictEqual(result, 1);
});
});
describe("assign()", () => {
it("should merge properties from two objects when called", () => {
const object1 = { foo: 1, bar: 3 };
const object2 = { foo: 2 };
const result = MergeStrategy.assign(object1, object2);
assert.deepStrictEqual(result, {
foo: 2,
bar: 3
});
});
});
});
/**
* @filedescription Object Schema Tests
*/
/* global it, describe, beforeEach */
"use strict";
//-----------------------------------------------------------------------------
// Requirements
//-----------------------------------------------------------------------------
const assert = require("chai").assert;
const { ObjectSchema } = require("../src/");
//-----------------------------------------------------------------------------
// Class
//-----------------------------------------------------------------------------
describe("ObjectSchema", () => {
let schema;
describe("new ObjectSchema()", () => {
it("should add a new key when a strategy is passed", () => {
schema = new ObjectSchema({
foo: {
merge() {},
validate() {}
}
});
assert.isTrue(schema.hasKey("foo"));
});
it("should throw an error when a strategy is missing a merge() method", () => {
assert.throws(() => {
schema = new ObjectSchema({
foo: {
validate() { }
}
});
}, /Definition for key "foo" must have a merge property/);
});
it("should throw an error when a strategy is missing a merge() method", () => {
assert.throws(() => {
schema = new ObjectSchema();
}, /Schema definitions missing/);
});
it("should throw an error when a strategy is missing a validate() method", () => {
assert.throws(() => {
schema = new ObjectSchema({
foo: {
merge() { },
}
});
}, /Definition for key "foo" must have a validate\(\) method/);
});
it("should throw an error when merge is an invalid string", () => {
assert.throws(() => {
new ObjectSchema({
foo: {
merge: "bar",
validate() { }
}
});
}, /key "foo" missing valid merge strategy/);
});
it("should throw an error when validate is an invalid string", () => {
assert.throws(() => {
new ObjectSchema({
foo: {
merge: "assign",
validate: "s"
}
});
}, /key "foo" missing valid validation strategy/);
});
});
describe("merge()", () => {
it("should throw an error when an unexpected key is found", () => {
let schema = new ObjectSchema({});
assert.throws(() => {
schema.merge({ foo: true }, { foo: true });
}, /Unexpected key "foo"/);
});
it("should throw an error when merge() throws an error", () => {
let schema = new ObjectSchema({
foo: {
merge() {
throw new Error("Boom!");
},
validate() {}
}
});
assert.throws(() => {
schema.merge({ foo: true }, { foo: true });
}, /Key "foo": Boom!/);
});
it("should call the merge() strategy for one key when called", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate() {}
}
});
const result = schema.merge({ foo: true }, { foo: false });
assert.propertyVal(result, "foo", "bar");
});
it("should not call the merge() strategy when both objects don't contain the key", () => {
let called = false;
schema = new ObjectSchema({
foo: {
merge() {
called = true;
},
validate() {}
}
});
schema.merge({}, {});
assert.isFalse(called, "The merge() strategy should not have been called.");
});
it("should omit returning the key when the merge() strategy returns undefined", () => {
schema = new ObjectSchema({
foo: {
merge() {
return undefined;
},
validate() { }
}
});
const result = schema.merge({ foo: true }, { foo: false });
assert.notProperty(result, "foo");
});
it("should call the merge() strategy for two keys when called", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate() { }
},
bar: {
merge() {
return "baz";
},
validate() {}
}
});
const result = schema.merge({ foo: true, bar: 1 }, { foo: true, bar: 2 });
assert.propertyVal(result, "foo", "bar");
assert.propertyVal(result, "bar", "baz");
});
it("should call the merge() strategy for two keys when called on three objects", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate() { }
},
bar: {
merge() {
return "baz";
},
validate() { }
}
});
const result = schema.merge(
{ foo: true, bar: 1 },
{ foo: true, bar: 3 },
{ foo: false, bar: 2 }
);
assert.propertyVal(result, "foo", "bar");
assert.propertyVal(result, "bar", "baz");
});
it("should call the merge() strategy when defined as 'overwrite'", () => {
schema = new ObjectSchema({
foo: {
merge: "overwrite",
validate() { }
}
});
const result = schema.merge(
{ foo: true },
{ foo: false }
);
assert.propertyVal(result, "foo", false);
});
it("should call the merge() strategy when defined as 'assign'", () => {
schema = new ObjectSchema({
foo: {
merge: "assign",
validate() { }
}
});
const result = schema.merge(
{ foo: { bar: true } },
{ foo: { baz: false } }
);
assert.strictEqual(result.foo.bar, true);
assert.strictEqual(result.foo.baz, false);
});
it("should call the merge strategy when there's a subschema", () => {
schema = new ObjectSchema({
name: {
schema: {
first: {
merge: "replace",
validate: "string"
},
last: {
merge: "replace",
validate: "string"
}
}
}
});
const result = schema.merge({
name: {
first: "n",
last: "z"
}
}, {
name: {
first: "g"
}
});
assert.strictEqual(result.name.first, "g");
assert.strictEqual(result.name.last, "z");
});
it("should return separate objects when using subschema", () => {
schema = new ObjectSchema({
age: {
merge: "replace",
validate: "number"
},
address: {
schema: {
street: {
schema: {
number: {
merge: "replace",
validate: "number"
},
streetName: {
merge: "replace",
validate: "string"
}
}
},
state: {
merge: "replace",
validate: "string"
}
}
}
});
const baseObject = {
address: {
street: {
number: 100,
streetName: "Foo St"
},
state: "HA"
}
};
const result = schema.merge(baseObject, {
age: 29
});
assert.notStrictEqual(result.address.street, baseObject.address.street);
assert.deepStrictEqual(result.address, baseObject.address);
});
it("should not error when calling the merge strategy when there's a subschema and no matching key in second object", () => {
schema = new ObjectSchema({
name: {
schema: {
first: {
merge: "replace",
validate: "string"
},
last: {
merge: "replace",
validate: "string"
}
}
}
});
const result = schema.merge({
name: {
first: "n",
last: "z"
}
}, {
});
assert.strictEqual(result.name.first, "n");
assert.strictEqual(result.name.last, "z");
});
it("should not error when calling the merge strategy when there's multiple subschemas and no matching key in second object", () => {
schema = new ObjectSchema({
user: {
schema: {
name: {
schema: {
first: {
merge: "replace",
validate: "string"
},
last: {
merge: "replace",
validate: "string"
}
}
}
}
}
});
const result = schema.merge({
user: {
name: {
first: "n",
last: "z"
}
}
}, {
});
assert.strictEqual(result.user.name.first, "n");
assert.strictEqual(result.user.name.last, "z");
});
});
describe("validate()", () => {
it("should throw an error when an unexpected key is found", () => {
let schema = new ObjectSchema({});
assert.throws(() => {
schema.validate({ foo: true });
}, /Unexpected key "foo"/);
});
it("should not throw an error when an expected key is found", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate() {}
}
});
schema.validate({ foo: true });
});
it("should pass the property value into validate() when key is found", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate(value) {
assert.isTrue(value);
}
}
});
schema.validate({ foo: true });
});
it("should not throw an error when expected keys are found", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate() {}
},
bar: {
merge() {
return "baz";
},
validate() {}
}
});
schema.validate({ foo: true, bar: true });
});
it("should not throw an error when expected keys are found with required keys", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate() { }
},
bar: {
requires: ["foo"],
merge() {
return "baz";
},
validate() { }
}
});
schema.validate({ foo: true, bar: true });
});
it("should throw an error when expected keys are found without required keys", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate() { }
},
baz: {
merge() {
return "baz";
},
validate() { }
},
bar: {
name: "bar",
requires: ["foo", "baz"],
merge() { },
validate() { }
}
});
assert.throws(() => {
schema.validate({ bar: true });
}, /Key "bar" requires keys "foo", "baz"./);
});
it("should throw an error when an expected key is found but is invalid", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate() {
throw new Error("Invalid key.");
}
}
});
assert.throws(() => {
schema.validate({ foo: true });
}, /Key "foo": Invalid key/);
});
it("should throw an error when an expected key is found but is invalid with a string validator", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate: "string"
}
});
assert.throws(() => {
schema.validate({ foo: true });
}, /Key "foo": Expected a string/);
});
it("should throw an error when an expected key is found but is invalid with a number validator", () => {
schema = new ObjectSchema({
foo: {
merge() {
return "bar";
},
validate: "number"
}
});
assert.throws(() => {
schema.validate({ foo: true });
}, /Key "foo": Expected a number/);
});
it("should throw an error when a required key is missing", () => {
schema = new ObjectSchema({
foo: {
required: true,
merge() {
return "bar";
},
validate() {}
}
});
assert.throws(() => {
schema.validate({});
}, /Missing required key "foo"/);
});
it("should throw an error when a subschema is provided and the value doesn't validate", () => {
schema = new ObjectSchema({
name: {
schema: {
first: {
merge: "replace",
validate: "string"
},
last: {
merge: "replace",
validate: "string"
}
}
}
});
assert.throws(() => {
schema.validate({
name: {
first: 123,
last: "z"
}
});
}, /Key "name": Key "first": Expected a string/);
});
it("should not throw an error when a subschema is provided and the value validates", () => {
schema = new ObjectSchema({
name: {
schema: {
first: {
merge: "replace",
validate: "string"
},
last: {
merge: "replace",
validate: "string"
}
}
}
});
schema.validate({
name: {
first: "n",
last: "z"
}
});
});
});
});
/**
* @filedescription Merge Strategy Tests
*/
/* global it, describe, beforeEach */
"use strict";
//-----------------------------------------------------------------------------
// Requirements
//-----------------------------------------------------------------------------
const assert = require("chai").assert;
const { ValidationStrategy } = require("../src/");
//-----------------------------------------------------------------------------
// Class
//-----------------------------------------------------------------------------
describe("ValidationStrategy", () => {
describe("boolean", () => {
it("should not throw an error when the value is a boolean", () => {
ValidationStrategy.boolean(true);
});
it("should throw an error when the value is null", () => {
assert.throws(() => {
ValidationStrategy.boolean(null);
}, /Expected a Boolean/);
});
it("should throw an error when the value is a string", () => {
assert.throws(() => {
ValidationStrategy.boolean("foo");
}, /Expected a Boolean/);
});
it("should throw an error when the value is a number", () => {
assert.throws(() => {
ValidationStrategy.boolean(123);
}, /Expected a Boolean/);
});
it("should throw an error when the value is an object", () => {
assert.throws(() => {
ValidationStrategy.boolean({});
}, /Expected a Boolean/);
});
});
describe("number", () => {
it("should not throw an error when the value is a number", () => {
ValidationStrategy.number(25);
});
it("should throw an error when the value is null", () => {
assert.throws(() => {
ValidationStrategy.number(null);
}, /Expected a number/);
});
it("should throw an error when the value is a string", () => {
assert.throws(() => {
ValidationStrategy.number("foo");
}, /Expected a number/);
});
it("should throw an error when the value is a boolean", () => {
assert.throws(() => {
ValidationStrategy.number(true);
}, /Expected a number/);
});
it("should throw an error when the value is an object", () => {
assert.throws(() => {
ValidationStrategy.number({});
}, /Expected a number/);
});
});
describe("object", () => {
it("should not throw an error when the value is an object", () => {
ValidationStrategy.object({});
});
it("should throw an error when the value is null", () => {
assert.throws(() => {
ValidationStrategy.object(null);
}, /Expected an object/);
});
it("should throw an error when the value is a string", () => {
assert.throws(() => {
ValidationStrategy.object("");
}, /Expected an object/);
});
});
describe("array", () => {
it("should not throw an error when the value is an array", () => {
ValidationStrategy.array([]);
});
it("should throw an error when the value is null", () => {
assert.throws(() => {
ValidationStrategy.array(null);
}, /Expected an array/);
});
it("should throw an error when the value is a string", () => {
assert.throws(() => {
ValidationStrategy.array("");
}, /Expected an array/);
});
it("should throw an error when the value is an object", () => {
assert.throws(() => {
ValidationStrategy.array({});
}, /Expected an array/);
});
});
describe("object?", () => {
it("should not throw an error when the value is an object", () => {
ValidationStrategy["object?"]({});
});
it("should not throw an error when the value is null", () => {
ValidationStrategy["object?"](null);
});
it("should throw an error when the value is a string", () => {
assert.throws(() => {
ValidationStrategy["object?"]("");
}, /Expected an object/);
});
});
describe("string", () => {
it("should not throw an error when the value is a string", () => {
ValidationStrategy.string("foo");
});
it("should not throw an error when the value is an empty string", () => {
ValidationStrategy.string("");
});
it("should throw an error when the value is null", () => {
assert.throws(() => {
ValidationStrategy.string(null);
}, /Expected a string/);
});
it("should throw an error when the value is an object", () => {
assert.throws(() => {
ValidationStrategy.string({});
}, /Expected a string/);
});
});
describe("string!", () => {
it("should not throw an error when the value is an string", () => {
ValidationStrategy["string!"]("foo");
});
it("should throw an error when the value is an empty string", () => {
assert.throws(() => {
ValidationStrategy["string!"]("");
}, /Expected a non-empty string/);
});
it("should throw an error when the value is null", () => {
assert.throws(() => {
ValidationStrategy["string!"](null);
}, /Expected a non-empty string/);
});
it("should throw an error when the value is an object", () => {
assert.throws(() => {
ValidationStrategy["string!"]({});
}, /Expected a non-empty string/);
});
});
});
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