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Merge pull request #19 from apache-superset/kristw--new-core
Add new core modules from incubator-superset
This commit is contained in:
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7097a0e89f
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## @superset-ui/core
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[![Version](https://img.shields.io/npm/v/@superset-ui/core.svg?style=flat)](https://img.shields.io/npm/v/@superset-ui/core.svg?style=flat)
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[![David (path)](https://img.shields.io/david/apache-superset/superset-ui.svg?path=packages%2Fsuperset-ui-core&style=flat-square)](https://david-dm.org/apache-superset/superset-ui?path=packages/superset-ui-core)
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Description
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#### Example usage
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```js
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import { xxx } from '@superset-ui/core';
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```
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#### API
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`fn(args)`
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- TBD
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### Development
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`@data-ui/build-config` is used to manage the build configuration for this package including babel
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builds, jest testing, eslint, and prettier.
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{
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"name": "@superset-ui/core",
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"version": "0.2.0",
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"description": "Superset UI core",
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"sideEffects": false,
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"main": "lib/index.js",
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"module": "esm/index.js",
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"files": [
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"esm",
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"lib"
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],
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"repository": {
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"type": "git",
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"url": "git+https://github.com/apache-superset/superset-ui.git"
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},
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"keywords": [
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"superset"
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],
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"author": "Superset",
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"license": "Apache-2.0",
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"bugs": {
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"url": "https://github.com/apache-superset/superset-ui/issues"
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},
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"homepage": "https://github.com/apache-superset/superset-ui#readme",
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"publishConfig": {
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"access": "public"
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},
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"dependencies": {
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"lodash": "^4.17.11"
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}
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}
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export { default as Plugin } from './models/Plugin';
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export { default as Preset } from './models/Preset';
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export { default as Registry } from './models/Registry';
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export { default as convertKeysToCamelCase } from './utils/convertKeysToCamelCase';
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export { default as isDefined } from './utils/isDefined';
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export { default as isRequired } from './utils/isRequired';
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export { default as makeSingleton } from './utils/makeSingleton';
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export default class Plugin {
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constructor() {
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this.resetConfig();
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}
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resetConfig() {
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// The child class can set default config
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// by overriding this function.
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this.config = {};
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return this;
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}
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configure(config, replace = false) {
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if (replace) {
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this.config = config;
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} else {
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this.config = { ...this.config, ...config };
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}
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return this;
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}
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register() {
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return this;
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}
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}
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export default class Preset {
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constructor({ name = '', description = '', presets = [], plugins = [] } = {}) {
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this.name = name;
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this.description = description;
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this.presets = presets;
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this.plugins = plugins;
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}
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register() {
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this.presets.forEach(preset => {
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preset.register();
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});
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this.plugins.forEach(plugin => {
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plugin.register();
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});
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return this;
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}
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}
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export default class Registry {
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constructor(name = '') {
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this.name = name;
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this.items = {};
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this.promises = {};
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}
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clear() {
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this.items = {};
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this.promises = {};
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return this;
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}
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has(key) {
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const item = this.items[key];
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return item !== null && item !== undefined;
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}
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registerValue(key, value) {
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const item = this.items[key];
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if (!item || item.value !== value) {
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this.items[key] = { value };
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delete this.promises[key];
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}
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return this;
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}
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registerLoader(key, loader) {
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const item = this.items[key];
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if (!item || item.loader !== loader) {
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this.items[key] = { loader };
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delete this.promises[key];
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}
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return this;
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}
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get(key) {
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const item = this.items[key];
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if (item) {
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return item.loader ? item.loader() : item.value;
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}
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return null;
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}
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getAsPromise(key) {
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const promise = this.promises[key];
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if (promise) {
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return promise;
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}
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const item = this.get(key);
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if (item) {
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const newPromise = Promise.resolve(item);
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this.promises[key] = newPromise;
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return newPromise;
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}
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return Promise.reject(new Error(`Item with key "${key}" is not registered.`));
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}
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getMap() {
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return this.keys().reduce((prev, key) => {
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const map = prev;
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map[key] = this.get(key);
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return map;
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}, {});
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}
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getMapAsPromise() {
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const keys = this.keys();
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return Promise.all(keys.map(key => this.getAsPromise(key))).then(values =>
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values.reduce((prev, value, i) => {
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const map = prev;
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map[keys[i]] = value;
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return map;
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}, {}),
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);
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}
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keys() {
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return Object.keys(this.items);
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}
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values() {
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return this.keys().map(key => this.get(key));
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}
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valuesAsPromise() {
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return Promise.all(this.keys().map(key => this.getAsPromise(key)));
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}
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entries() {
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return this.keys().map(key => ({
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key,
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value: this.get(key),
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}));
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}
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entriesAsPromise() {
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const keys = this.keys();
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return Promise.all(keys.map(key => this.getAsPromise(key))).then(values =>
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values.map((value, i) => ({
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key: keys[i],
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value,
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})),
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);
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}
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remove(key) {
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delete this.items[key];
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delete this.promises[key];
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return this;
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}
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}
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import camelCase from 'lodash/fp/camelCase';
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import isPlainObject from 'lodash/fp/isPlainObject';
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import mapKeys from 'lodash/fp/mapKeys';
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export default function convertKeysToCamelCase(object) {
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if (object === null || object === undefined) {
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return object;
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}
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if (isPlainObject(object)) {
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return mapKeys(k => camelCase(k), object);
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}
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throw new Error(`Cannot convert input that is not a plain object: ${object}`);
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}
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export default function isDefined(x) {
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return x !== null && x !== undefined;
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}
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export default function isRequired(field) {
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throw new Error(`${field} is required.`);
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}
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export default function makeSingleton(BaseClass, ...args) {
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let singleton;
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return function getInstance() {
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if (!singleton) {
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singleton = new BaseClass(...args);
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}
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return singleton;
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};
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}
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describe('My Test', () => {
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it('tests something', () => {
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expect(1).toEqual(1);
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});
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});
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import Plugin from '../../src/models/Plugin';
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describe('Plugin', () => {
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it('exists', () => {
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expect(Plugin).toBeDefined();
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});
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describe('new Plugin()', () => {
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it('creates a new plugin', () => {
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const plugin = new Plugin();
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expect(plugin).toBeInstanceOf(Plugin);
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});
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});
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describe('.configure(config, replace)', () => {
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it('extends the default config with given config when replace is not set or false', () => {
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const plugin = new Plugin();
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plugin.configure({ key: 'abc', foo: 'bar' });
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plugin.configure({ key: 'def' });
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expect(plugin.config).toEqual({ key: 'def', foo: 'bar' });
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});
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it('replaces the default config with given config when replace is true', () => {
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const plugin = new Plugin();
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plugin.configure({ key: 'abc', foo: 'bar' });
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plugin.configure({ key: 'def' }, true);
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expect(plugin.config).toEqual({ key: 'def' });
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});
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it('returns the plugin itself', () => {
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const plugin = new Plugin();
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expect(plugin.configure({ key: 'abc' })).toBe(plugin);
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});
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});
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describe('.resetConfig()', () => {
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it('resets config back to default', () => {
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const plugin = new Plugin();
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plugin.configure({ key: 'abc', foo: 'bar' });
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plugin.resetConfig();
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expect(plugin.config).toEqual({});
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});
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it('returns the plugin itself', () => {
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const plugin = new Plugin();
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expect(plugin.resetConfig()).toBe(plugin);
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});
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});
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describe('.register()', () => {
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it('returns the plugin itself', () => {
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const plugin = new Plugin();
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expect(plugin.register()).toBe(plugin);
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});
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});
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});
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import Preset from '../../src/models/Preset';
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import Plugin from '../../src/models/Plugin';
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describe('Preset', () => {
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it('exists', () => {
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expect(Preset).toBeDefined();
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});
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describe('new Preset()', () => {
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it('creates new preset', () => {
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const preset = new Preset();
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expect(preset).toBeInstanceOf(Preset);
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});
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});
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describe('.register()', () => {
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it('register all listed presets then plugins', () => {
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const values = [];
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class Plugin1 extends Plugin {
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register() {
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values.push(1);
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}
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}
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class Plugin2 extends Plugin {
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register() {
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values.push(2);
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}
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}
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class Plugin3 extends Plugin {
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register() {
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values.push(3);
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}
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}
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class Plugin4 extends Plugin {
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register() {
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const { key } = this.config;
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values.push(key);
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}
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}
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const preset1 = new Preset({
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plugins: [new Plugin1()],
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});
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const preset2 = new Preset({
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plugins: [new Plugin2()],
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});
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const preset3 = new Preset({
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presets: [preset1, preset2],
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plugins: [new Plugin3(), new Plugin4().configure({ key: 'abc' })],
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});
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preset3.register();
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expect(values).toEqual([1, 2, 3, 'abc']);
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});
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it('returns itself', () => {
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const preset = new Preset();
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expect(preset.register()).toBe(preset);
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});
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});
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});
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import Registry from '../../src/models/Registry';
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describe('Registry', () => {
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it('exists', () => {
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expect(Registry !== undefined).toBe(true);
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});
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describe('new Registry(name)', () => {
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it('can create a new registry when name is not given', () => {
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const registry = new Registry();
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expect(registry).toBeInstanceOf(Registry);
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});
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it('can create a new registry when name is given', () => {
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const registry = new Registry('abc');
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expect(registry).toBeInstanceOf(Registry);
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expect(registry.name).toBe('abc');
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});
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});
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describe('.clear()', () => {
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it('clears all registered items', () => {
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const registry = new Registry();
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registry.registerValue('a', 'testValue');
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registry.clear();
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expect(Object.keys(registry.items)).toHaveLength(0);
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expect(Object.keys(registry.promises)).toHaveLength(0);
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});
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it('returns the registry itself', () => {
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const registry = new Registry();
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expect(registry.clear()).toBe(registry);
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});
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});
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describe('.has(key)', () => {
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it('returns true if an item with the given key exists', () => {
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const registry = new Registry();
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registry.registerValue('a', 'testValue');
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expect(registry.has('a')).toBe(true);
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registry.registerLoader('b', () => 'testValue2');
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expect(registry.has('b')).toBe(true);
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});
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it('returns false if an item with the given key does not exist', () => {
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const registry = new Registry();
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expect(registry.has('a')).toBe(false);
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});
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});
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describe('.registerValue(key, value)', () => {
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it('registers the given value with the given key', () => {
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const registry = new Registry();
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registry.registerValue('a', 'testValue');
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expect(registry.has('a')).toBe(true);
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expect(registry.get('a')).toBe('testValue');
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});
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it('returns the registry itself', () => {
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const registry = new Registry();
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expect(registry.registerValue('a', 'testValue')).toBe(registry);
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});
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});
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describe('.registerLoader(key, loader)', () => {
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it('registers the given loader with the given key', () => {
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const registry = new Registry();
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registry.registerLoader('a', () => 'testValue');
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expect(registry.has('a')).toBe(true);
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expect(registry.get('a')).toBe('testValue');
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});
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it('returns the registry itself', () => {
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const registry = new Registry();
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expect(registry.registerLoader('a', () => 'testValue')).toBe(registry);
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});
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});
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describe('.get(key)', () => {
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it('given the key, returns the value if the item is a value', () => {
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const registry = new Registry();
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registry.registerValue('a', 'testValue');
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expect(registry.get('a')).toBe('testValue');
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});
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it('given the key, returns the result of the loader function if the item is a loader', () => {
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const registry = new Registry();
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registry.registerLoader('b', () => 'testValue2');
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expect(registry.get('b')).toBe('testValue2');
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});
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it('returns null if the item with specified key does not exist', () => {
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const registry = new Registry();
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expect(registry.get('a')).toBeNull();
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});
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it('If the key was registered multiple times, returns the most recent item.', () => {
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const registry = new Registry();
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registry.registerValue('a', 'testValue');
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expect(registry.get('a')).toBe('testValue');
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registry.registerLoader('a', () => 'newValue');
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expect(registry.get('a')).toBe('newValue');
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});
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});
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describe('.getAsPromise(key)', () => {
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it('given the key, returns a promise of item value if the item is a value', () => {
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const registry = new Registry();
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registry.registerValue('a', 'testValue');
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return registry.getAsPromise('a').then(value => expect(value).toBe('testValue'));
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});
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it('given the key, returns a promise of result of the loader function if the item is a loader ', () => {
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const registry = new Registry();
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registry.registerLoader('a', () => 'testValue');
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return registry.getAsPromise('a').then(value => expect(value).toBe('testValue'));
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});
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it('returns same promise object for the same key unless user re-registers new value with the key.', () => {
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const registry = new Registry();
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registry.registerLoader('a', () => 'testValue');
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const promise1 = registry.getAsPromise('a');
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const promise2 = registry.getAsPromise('a');
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expect(promise1).toBe(promise2);
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});
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it('returns a rejected promise if the item with specified key does not exist', () => {
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const registry = new Registry();
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return registry.getAsPromise('a').then(null, err => {
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expect(err.toString()).toEqual('Error: Item with key "a" is not registered.');
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});
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});
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it('If the key was registered multiple times, returns a promise of the most recent item.', () => {
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const registry = new Registry();
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registry.registerValue('a', 'testValue');
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const promise1 = registry.getAsPromise('a').then(value => expect(value).toBe('testValue'));
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registry.registerLoader('a', () => 'newValue');
|
||||
const promise2 = registry.getAsPromise('a').then(value => expect(value).toBe('newValue'));
|
||||
|
||||
return Promise.all([promise1, promise2]);
|
||||
});
|
||||
});
|
||||
|
||||
describe('.getMap()', () => {
|
||||
it('returns key-value map as plain object', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'cat');
|
||||
registry.registerLoader('b', () => 'dog');
|
||||
expect(registry.getMap()).toEqual({
|
||||
a: 'cat',
|
||||
b: 'dog',
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('.getMapAsPromise()', () => {
|
||||
it('returns a promise of key-value map', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'test1');
|
||||
registry.registerLoader('b', () => 'test2');
|
||||
registry.registerLoader('c', () => Promise.resolve('test3'));
|
||||
|
||||
return registry.getMapAsPromise().then(map =>
|
||||
expect(map).toEqual({
|
||||
a: 'test1',
|
||||
b: 'test2',
|
||||
c: 'test3',
|
||||
}),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe('.keys()', () => {
|
||||
it('returns an array of keys', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'testValue');
|
||||
registry.registerLoader('b', () => 'test2');
|
||||
expect(registry.keys()).toEqual(['a', 'b']);
|
||||
});
|
||||
});
|
||||
|
||||
describe('.values()', () => {
|
||||
it('returns an array of values', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'test1');
|
||||
registry.registerLoader('b', () => 'test2');
|
||||
expect(registry.values()).toEqual(['test1', 'test2']);
|
||||
});
|
||||
});
|
||||
|
||||
describe('.valuesAsPromise()', () => {
|
||||
it('returns a Promise of an array { key, value }', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'test1');
|
||||
registry.registerLoader('b', () => 'test2');
|
||||
registry.registerLoader('c', () => Promise.resolve('test3'));
|
||||
|
||||
return registry
|
||||
.valuesAsPromise()
|
||||
.then(entries => expect(entries).toEqual(['test1', 'test2', 'test3']));
|
||||
});
|
||||
});
|
||||
|
||||
describe('.entries()', () => {
|
||||
it('returns an array of { key, value }', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'test1');
|
||||
registry.registerLoader('b', () => 'test2');
|
||||
expect(registry.entries()).toEqual([
|
||||
{ key: 'a', value: 'test1' },
|
||||
{ key: 'b', value: 'test2' },
|
||||
]);
|
||||
});
|
||||
});
|
||||
|
||||
describe('.entriesAsPromise()', () => {
|
||||
it('returns a Promise of an array { key, value }', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'test1');
|
||||
registry.registerLoader('b', () => 'test2');
|
||||
registry.registerLoader('c', () => Promise.resolve('test3'));
|
||||
|
||||
return registry
|
||||
.entriesAsPromise()
|
||||
.then(entries =>
|
||||
expect(entries).toEqual([
|
||||
{ key: 'a', value: 'test1' },
|
||||
{ key: 'b', value: 'test2' },
|
||||
{ key: 'c', value: 'test3' },
|
||||
]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe('.remove(key)', () => {
|
||||
it('removes the item with given key', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'testValue');
|
||||
registry.remove('a');
|
||||
expect(registry.get('a')).toBeNull();
|
||||
});
|
||||
it('does not throw error if the key does not exist', () => {
|
||||
const registry = new Registry();
|
||||
expect(() => registry.remove('a')).not.toThrowError();
|
||||
});
|
||||
it('returns itself', () => {
|
||||
const registry = new Registry();
|
||||
registry.registerValue('a', 'testValue');
|
||||
expect(registry.remove('a')).toBe(registry);
|
||||
});
|
||||
});
|
||||
});
|
@ -0,0 +1,33 @@
|
||||
import convertKeysToCamelCase from '../../src/utils/convertKeysToCamelCase';
|
||||
|
||||
describe('convertKeysToCamelCase(object)', () => {
|
||||
it('returns undefined for undefined input', () => {
|
||||
expect(convertKeysToCamelCase(undefined)).toBeUndefined();
|
||||
});
|
||||
it('returns null for null input', () => {
|
||||
expect(convertKeysToCamelCase(null)).toBeNull();
|
||||
});
|
||||
it('returns a new object that has all keys in camelCase', () => {
|
||||
const input = {
|
||||
is_happy: true,
|
||||
'is-angry': false,
|
||||
isHungry: false,
|
||||
};
|
||||
expect(convertKeysToCamelCase(input)).toEqual({
|
||||
isHappy: true,
|
||||
isAngry: false,
|
||||
isHungry: false,
|
||||
});
|
||||
});
|
||||
it('throws error if input is not a plain object', () => {
|
||||
expect(() => {
|
||||
convertKeysToCamelCase({});
|
||||
}).not.toThrowError();
|
||||
expect(() => {
|
||||
convertKeysToCamelCase('');
|
||||
}).toThrowError();
|
||||
expect(() => {
|
||||
convertKeysToCamelCase(new Map());
|
||||
}).toThrowError();
|
||||
});
|
||||
});
|
@ -0,0 +1,20 @@
|
||||
import isDefined from '../../src/utils/isDefined';
|
||||
|
||||
describe('isDefined(value)', () => {
|
||||
it('returns true if value is not null and not undefined', () => {
|
||||
expect(isDefined(0)).toBe(true);
|
||||
expect(isDefined(1)).toBe(true);
|
||||
expect(isDefined('')).toBe(true);
|
||||
expect(isDefined('a')).toBe(true);
|
||||
expect(isDefined([])).toBe(true);
|
||||
expect(isDefined([0])).toBe(true);
|
||||
expect(isDefined([1])).toBe(true);
|
||||
expect(isDefined({})).toBe(true);
|
||||
expect(isDefined({ a: 1 })).toBe(true);
|
||||
expect(isDefined([{}])).toBe(true);
|
||||
});
|
||||
it('returns false otherwise', () => {
|
||||
expect(isDefined(null)).toBe(false);
|
||||
expect(isDefined(undefined)).toBe(false);
|
||||
});
|
||||
});
|
@ -0,0 +1,7 @@
|
||||
import isRequired from '../../src/utils/isRequired';
|
||||
|
||||
describe('isRequired(field)', () => {
|
||||
it('should throw error with the given field in the message', () => {
|
||||
expect(() => isRequired('myField')).toThrowError(Error);
|
||||
});
|
||||
});
|
@ -0,0 +1,36 @@
|
||||
import makeSingleton from '../../src/utils/makeSingleton';
|
||||
|
||||
describe('makeSingleton()', () => {
|
||||
class Dog {
|
||||
constructor(name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
sit() {
|
||||
this.isSitting = true;
|
||||
}
|
||||
}
|
||||
describe('makeSingleton(BaseClass)', () => {
|
||||
const getInstance = makeSingleton(Dog);
|
||||
|
||||
it('returns a function for getting singleton instance of a given base class', () => {
|
||||
expect(typeof getInstance).toBe('function');
|
||||
expect(getInstance()).toBeInstanceOf(Dog);
|
||||
});
|
||||
it('returned function returns same instance across all calls', () => {
|
||||
expect(getInstance()).toBe(getInstance());
|
||||
});
|
||||
});
|
||||
describe('makeSingleton(BaseClass, ...args)', () => {
|
||||
const getInstance = makeSingleton(Dog, 'Doug');
|
||||
|
||||
it('returns a function for getting singleton instance of a given base class constructed with the given arguments', () => {
|
||||
expect(typeof getInstance).toBe('function');
|
||||
expect(getInstance()).toBeInstanceOf(Dog);
|
||||
expect(getInstance().name).toBe('Doug');
|
||||
});
|
||||
it('returned function returns same instance across all calls', () => {
|
||||
expect(getInstance()).toBe(getInstance());
|
||||
});
|
||||
});
|
||||
});
|
Loading…
Reference in New Issue
Block a user