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web-mapviewer

Branch CI Status E2E Tests Deployed version
develop Build Status web-mapviewer https://sys-map.dev.bgdi.ch/
master Build Status web-mapviewer https://sys-map.int.bgdi.ch/

The next generation map viewer application of geo.admin.ch: Digital data can be viewed, printed out, ordered and supplied by means of web-mapviewer. The required data is available in the form of digital maps and imagery, vector data and also as online services.

Table of Contents

Contributing

See CONTRIBUTING.md

Project structure

This is a Vue app that is served through src/main.js, using Vuex as a state manager. The app is divided into modules (or chunks) that are stored into src/modules. The goal is for each of these modules to be able to be externalized if needed. They should explicitly state their dependencies to other modules' component or store element in their README.md (dependency to the main store's modules is not required to be stated)

Each module should have a root component, called {Name of the module}Module.vue that loads all needed component into the template. It should also have a README.md file at the root explaining what this module is about.

To make the code easier to navigate and maintain we consolidated the complete state in one place (src/store/). The store is divided into modules that mostly correspond to the application modules but also include modules for state that is used by multiple modules or would be too big for a single file.

Store plugins can be used to react to store changes. See the store read-me for more information.

Here's a sample of what project folder structure looks like :

├── tests
│   └── all test files
│
├── public
│   └── all files that don't need pre processing before going public
│       (index.html, favicon, etc...)
│
├── scripts
│   └── NodeJS scripts useful for dev tools or for deploy
│       (used by NPM targets)
│
├── src
│   ├── main.js
│   ├── App.vue
│   ├── modules
│   │   ├── <Module name>
│   │   │   ├── index.js
│   │   │   └── other moduleName related files such as
│   │           a components folder or a store folder
│   ├── store
│   │   ├── modules
│   │   │   ├── <Module name>.js

Best practices

  • Prefer primitive data or javascript plain object in reactive data (Vue Component data or refs, Vuex store data)
  • Don't use complex object as reactive data
  • Avoid using javascript getter and setter in class that are used in reactive data

See also Store Best Practices

Vue Composition API

New components should be written using the Vue Composition API.

The structure of the file should be :

  • <script setup> tag should be the first tag of the .vue file (instead of <template>, that's the new best practice with this approach)
  • declares things in this order in the <script setup> tag
    1. imports
    2. props (input)
    3. data
    4. store mapping (input)
    5. computed (transformation of inputs)
    6. watchs
    7. life-cycle hooks (mounted and such)
    8. interaction with the user (was called methods in the OptionAPI)
<script setup>
// 1. First put the imports
import { computed, onMounted, ref, toRefs, watch } from 'vue'
import { useStore } from 'vuex'

// 2. Put all the props (input)
const props = defineProps({
  myProp: {
    type: Boolean,
    default: false,
  },
})
const { myProp } = toRefs(props)

// 3. reactive data
const myData = ref('My reactive value')

// 4. Put then all store mapping (input)
const store = useStore()

// 5. Computed properties
const myComputed = computed(() => store.state.myValue)

// 6. Watchs
watch(myComputed, (newValue) => {
  // do something on myComputed changes
})

// 7. Life-cycle hooks
onMounted(() => {
  // write you code here
})

// 8. Methods
function myMethod() {}
</script>

<template>
  <!-- Write your template here -->
</template>

<style lang="scss" scoped>
// Write your styles here
</style>

Components that are extensively edited should be rewritten using the Composition API

Store module

As there can be only one instance of a Vuex's store per app, the store module is there for that. It as the responsibility to instantiate Vuex, and add any module related state data to the store. See its README.md for more details.

Testing

Unit testing is done through the VueCLI unit test helper, and integration testing is done with Cypress.io. All things related to tests are in the /tests folder. See README.md for more documentation on testing in this project.

Project setup

Pre-Requirements

The followings programs/tools are required in order to develop on web-mapviewer

  • Nodejs 18
  • npm 10

Install

npm install

Environment variables

Environment variables are defined in the following files

  • .env.development
  • .env.integration
  • .env.prodcution

The first one is used by npm run dev as well as for all development modes. The second is used to build for and deploy to our integration server. Otherwise .env.production is used by default. For more information about loading environment variables see Vue - Modes and Environment Variables

Tooling for translation update

Our translation master is hosted in a Google Spreadsheet, thus if you want to update translations you will need a valid Google API Key. One can be found in our AWS SSM store in swisstopo-bgdi-builder account.

In order to easily access the google API key stored in AWS SSM we use summon as follow:

Translations can then be updated with

summon -p ssm npm run update:translations

The file secrets.yml will tell summon which keys to get from AWS SSM.

List of npm scripts

command what it does
npm run dev Compiles and hot-reloads for development. Will serve the project under http://localhost:8080 (or the next available port if 8080 is already used, see console output).
npm run build Compiles all file without bundling and minification
npm run build:(dev|int|prod) Compiles all file for the according mode
npm run lint Format, lints and fixes
npm run lint:no-fix Check formatting and linting without auto fixes
npm run test:unit Runs unit tests from vitest.
npm run test:unit:watch Runs unit tests and then watch for changes, re-running any part of the tests that is edited (or tests linked to parts of the app that has changed).
npm run test:e2e Opens up the cypress app with a mobile sized view
npm run test:e2e:headless Run cypress E2E tests in headless mode with a mobile sized view
npm run test:e2e:tablet Opens up the cypress app with a iPad sized view
npm run test:e2e:desktop Opens up the cypress app with a 1080p sized view
npm run test:e2e:ci Run cypress E2E tests on the served URL (NOTE: the server should be started before). Only tests the mobile sized view.
npm run test:component Opens up the cypress component tests
npm run test:component:headless Run cypress component tests in headless mode
npm run test:component:ci Run cypress component tests
npm run update:translations Update translation files according to our Google Spreadsheet. See above for required tools.

All script commands starting a webserver or using one (dev and all things related to cypress) will determine the port to use by looking for the next one available starting at 8080.

What about package-lock.json file?

The CI uses this file to ensure it will not stumble upon a minor version of a library that breaks the app. So this file needs to be versioned, and kept up to date (each time a new library or version of a library is added to package.json, npm install will update package-lock.json accordingly).

The CI will use npm ci, which act like npm install but it ignores the file package.json and loads all libraries versions found in package-lock.json (which are not volatile, e.g. ^1.0.0 or ~1.0.0., but fixed).

Project deployment

The application is deployed on three targets : dev|int|prod

Automatic deploy

After every successful build triggered by a merge into develop, a version is automatically deployed in DEV staging. After every successful build triggered by a a merge into master, a version is automatically deployed on INT and PROD staging. automatically.

environment hostname path branch
PR sys-map.dev.bgdi.ch /preview/<branch_name> <bug-/feat->
dev sys-map.dev.bgdi.ch / develop
int sys-map.int.bgdi.ch / master
prod sys-map.prod.bgdi.ch / master

The deployments are done automatically via the CI for web-mapviewer.

A test link is also added to the description of every PR automatically using github workflow.

Manual deploy

A bash script deploy.sh is used for manual deploy, either from a local directory or a bucket from the CI.

./scripts/deploy.sh: --staging STAGING {--version VERSION | --local-src DIR} [--preview TEST_LINK]

Deploy web-mapviewer on the given staging. Either deploy a version from the
build-artifacts-swisstopo bucket (with --version option), or a local build version
using the --local-src DIR option.

OPTIONS:
  -h|--help               Print the help and exit.
  -s|--staging STAGING    Staging to deploy; dev|int|prod. Default; dev
  -v|--version VERSION    Version to deploy.

On prod, check deploy on prod and use the script from within infra-terraform-bgdi-builder/projects/web_mapviewer to deploy manually.

NOTE:
If deploying manually to prod, wait until the CI has finished building the project, as the deploy script only copy files.

Depending on the target (dev|int|prod), you will have to build and bundle/minify the app (for int and prod) or simply build the app without minification (for dev) prior to deplay (npm run build:(dev|int|prod))

  • Only develop branch can be deployed at the root of the dev bucket.
  • Only master branch can be deployed at the root of int and prod buckets.

Check External Layer Provider list

In the Import tool we provide an hardcoded list of provider via the src/modules/menu/components/advancedTools/ImportCatalogue/external-providers.json file. Because we have quite a lot of provider, we have a CLI tool in order to check their validity. The tool can also be used with a single url as input parameter to see the url would be valid for our application.

npm install
./scripts/check-external-layers-providers.js

You can use -h option to get more detail on the script.