New faceted search results component

package.json

@@ -2,6 +2,7 @@
   "name": "root",
   "private": true,
   "devDependencies": {
-    "lerna": "^5.1.2"
+    "lerna": "^5.1.2",
+    "webpack-cli": "^5.1.4"
   }
 }

packages/scxa-faceted-search-results-v5/.babelrc

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+{
+  "presets": ["@babel/preset-react", "@babel/preset-env"],
+  "plugins": [ "transform-class-properties", "istanbul" ]
+}

packages/scxa-faceted-search-results-v5/.eslintignore

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+webpack.config.js
+serve.config.js
+coverage/
+__mocks__/
+lib/
+dist/

packages/scxa-faceted-search-results-v5/.eslintrc.json

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+{
+  "extends": "@ebi-gene-expression-group"
+}

packages/scxa-faceted-search-results-v5/.gitignore

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+# IntelliJ IDEA project files
+.idea/
+
+# https://github.com/github/gitignore/blob/master/Node.gitignore
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# Build files
+dist/
+lib/

packages/scxa-faceted-search-results-v5/.npmignore

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+# Ignore everything
+*
+.*
+
+# But the build files...
+!lib/**

packages/scxa-faceted-search-results-v5/README.md

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+# Faceted Search Results for Single Cell Expression Atlas
+
+[![Build Status](https://travis-ci.org/ebi-gene-expression-group/scxa-faceted-search-results.svg?branch=master)](https://travis-ci.org/ebi-gene-expression-group/scxa-faceted-search-results) [![Coverage Status](https://coveralls.io/repos/github/ebi-gene-expression-group/scxa-faceted-search-results/badge.svg?branch=master)](https://coveralls.io/github/ebi-gene-expression-group/scxa-faceted-search-results?branch=master)
+
+A lightweight and extensible component to list and filter lists of search results. It receives a URL (as a combination
+of `host` and `resource`) to async-fetch the results, and a React component class to visualise each element (e.g. a
+card).
+
+The facets are used to render a sidebar on the left as a set of filtering controls. 
+Filter groups can be displayed either as searchable, multiselect dropdown lists or as checkboxes.
+
+Two more optional props, namely `noResultsMessageFormatter` and `resultsMessageFormatter`, return a string which is
+displayed when there are no results, and as a header on top of the search results, respectively. In many occasions it
+is useful to display such messages using information returned by the server; that’s the reason why both functions take
+the JSON payload as an argument, allowing for some customisation in that regard. For example, if in the case of no
+results the server returns a field `reason` you could have something like this:
+```
+<ReactFacetedSearch
+  ...
+  noResultsMessageFormatter={(data) => `Your search yielded no results: ${data.reason}`}
+```
+
+# Requirements
+
+You should have at least Node 16 LTS with NPM 8 or later.
+You can check your current installed version executing this command.
+```shell
+npm --version
+8.5.6
+```
+
+## How to execute the unit tests with Cypress
+
+We are using the [Cypress framework](https://docs.cypress.io/guides/overview/why-cypress) for unit testing this package.
+You can execute the existing tests in the following way:
+1. Type `npx cypress open` in the terminal in the root folder of this package.
+2. In the appearing browser window you have to click on `Component Testing`,
+   select a browser and click on `Start Component Testing in <browser name>`.
+3. In the appearing list just click on the test you would like to run and check the results on the screen.
+
+## Try out the component with a given example
+Just run [webpack-dev-server](https://github.com/webpack/webpack-dev-server):
+```
+npx webpack-dev-server --mode=development
+```
+
+## How to run test with code coverage in the console
+
+Run tests with:
+
+```shell
+npx cypress run --component
+```
+
+If you want to omit video recording:
+
+```shell
+npx cypress run --component --record false
+```
+
+Find coverage reports at: `./coverage/lcov-report/index.html`
+
+
+## Add code coverage (in a nutshell)
+
+This is an abridged version of https://docs.cypress.io/guides/tooling/code-coverage.
+
+Add the following three packages:
+```bash
+npm install -D babel-plugin-transform-class-properties babel-plugin-istanbul @cypress/code-coverage
+```
+
+Add the two plugins to your `.babelrc` file:
+```json
+{
+  "presets": ["@babel/preset-react", "@babel/preset-env"],
+  "plugins": [ "transform-class-properties", "istanbul" ]
+}
+```
+
+Add `@cypress/code-coverage` in your `cypress.config.js` file so it looks like this:
+```js
+const { defineConfig } = require(`cypress`)
+
+module.exports = defineConfig({
+  component: {
+    setupNodeEvents(on, config) {
+      require(`@cypress/code-coverage/task`)(on, config)
+      // include any other plugin code...
+
+      // It's IMPORTANT to return the config object
+      // with any changed environment variables
+      return config
+    },
+    devServer: {
+      framework: `react`,
+      bundler: `webpack`
+    }
+  }
+})
+```
+
+Lastly, add the following import to `cypress/support/component.js`:
+```js
+import '@cypress/code-coverage/support'
+```
+
+# Combining with the EBI Visual Framework
+React-Select allows you to style the `div` that encloses the `input` element, but not the `input` element itself.
+Therefore it’s convenient to add the snippet below to override the styling set by the
+[EBI Visual Framework](https://github.com/ebiwd/EBI-Framework) for `input` elements.
+```
+.input-clear input, .input-clear input:focus {
+  height: unset;
+  box-shadow: none;
+  margin: 0;
+}
+```
+At the time of writing this applies to the most recent version (v1.3). Wrapping these styles within the appropriate
+`div` selector is sufficient. See
+https://github.com/ebi-gene-expression-group/scxa-faceted-search-results/blob/master/html/filter-list.html for a
+working example.
+
+# A note about building with Webpack
+The component uses `async`/`await` to fetch the JSON payload from the server. This requires to prefix the entry with
+`@babel/polyfill`. If you are already using an equivalent polyfill or
+[Runtime transform](http://babeljs.io/docs/plugins/transform-runtime/) you may skip this.

packages/scxa-faceted-search-results-v5/cypress.config.js

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+const { defineConfig } = require(`cypress`)
+
+module.exports = defineConfig({
+  component: {
+    setupNodeEvents(on, config) {
+      require(`@cypress/code-coverage/task`)(on, config)
+      // include any other plugin code...
+
+      // It's IMPORTANT to return the config object
+      // with any changed environment variables
+      return config
+    },
+    devServer: {
+      framework: `react`,
+      bundler: `webpack`
+    }
+  }
+})

packages/scxa-faceted-search-results-v5/cypress/component/CheckboxFacetGroup.cy.js

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+import React from "react"
+
+import CheckboxFacetGroup from '../../src/facetgroups/CheckboxFacetGroup'
+
+import { getFacets, getPropsForCheckBoxGroupWithTooltip, getPropsWithoutTooltip, getRandomInt } from './TestUtils'
+import vindicators from "../fixtures/vindicatorsResponse.json"
+
+const props = {
+  name: `Vindicators`,
+  description: `Show the vindicators`,
+  facets: [],
+  queryParams: []
+}
+
+describe(`CheckboxFacetGroup`, () => {
+  beforeEach(() => {
+    while (props.facets.length === 0) {
+      props.facets = vindicators.filter(() => Math.random() > 0.5)
+    }
+    props.facets = props.facets.map(e => ({ ...e, disabled: false }))
+  })
+
+  it(`displays the expected tooltip if it exists`, () => {
+    const props = {
+      ...getPropsForCheckBoxGroupWithTooltip(),
+      facets: getFacets()
+    }
+
+    cy.mount(<CheckboxFacetGroup {...props }/>)
+    cy.get(`div.padding-bottom-xlarge h4 sup span`)
+      .should(`have.class`, `icon icon-generic`)
+      .should(`have.attr`, `data-tip`).then((dataTip) => {
+        expect(dataTip.toString()
+          .replace(`<span>`, ``)
+          .replace(`</span>`, ``)
+          .replace(`<br>`, ` `))
+          .to.equal(props.description)
+      })
+  })
+
+  it(`doesn't display tooltip if not present`, () => {
+    const propsWithoutTooltip = {
+      ...getPropsWithoutTooltip(),
+      facets: getFacets()
+    }
+    cy.mount(<CheckboxFacetGroup {...propsWithoutTooltip}/>)
+    cy.get(`div.padding-bottom-xlarge h4`)
+      .children()
+      .should(`have.length`, 0)
+  })
+
+  it(`renders the right number of checkboxes and the facet name`, () => {
+    cy.mount(<CheckboxFacetGroup {...props} />)
+
+    cy.get(`input`).should((inputs) => {
+      expect(inputs.length).to.equal(props.facets.length)
+    })
+    cy.get(`input[type="checkbox"]`).should((checkboxes) => {
+      expect(checkboxes.length).to.equal(props.facets.length)
+    })
+    cy.get(`h4`).invoke(`text`).then((headerText) => {
+      expect(headerText).to.equal(props.name)
+    })
+    cy.get(`input`).should(`not.have.attr`, `disabled`)
+    cy.get(`label`).should(`not.have.attr`, `color`)
+  })
+
+  it(`displays disabled check boxes greyed out`, () => {
+    props.facets = props.facets.map(e => ({ ...e, disabled: true }))
+    cy.mount(<CheckboxFacetGroup {...props} />)
+
+    cy.get(`input`).should(`have.attr`, `disabled`)
+    cy.get(`label`)
+      .should(`have.attr`, `style`)
+      .should(`eq`, `color: lightgrey;`)
+  })
+
+  it(`callback is called when a checkbox is checked/unchecked with the right arguments`, () => {
+    const randomCheckboxIndex = getRandomInt(0, props.facets.length)
+    const mockCallbackWrapper = {
+      onChange: function (facetGroup, checkedFacets) {
+      }
+    }
+    cy.spy(mockCallbackWrapper, `onChange`).as(`onChange`)
+
+    cy.mount(<CheckboxFacetGroup {...props} onChange={mockCallbackWrapper.onChange} />)
+
+    cy.get(`input[type="checkbox"]`).eq(randomCheckboxIndex).click()
+    cy.get(`@onChange`)
+      .should(`have.been.calledOnceWithExactly`,
+        props.name,
+        [props.facets[randomCheckboxIndex]],
+        props.facets
+      )
+
+    cy.get(`input[type="checkbox"]`).eq(randomCheckboxIndex).click()
+    cy.get(`@onChange`)
+      .should(`have.been.callCount`, 2)
+      .should(`have.been.calledWith`,
+        props.name, [props.facets[randomCheckboxIndex]]
+      )
+      .should(`have.been.calledWith`,
+        props.name, [], props.facets
+      )
+  })
+})