.gitlab-ci.yml

image: node:12-alpine

stages:
  - install
  - test
  - audit

.run_in_master: &run_in_master
  if: '$CI_COMMIT_REF_NAME == "master"'
  when: on_success

.run_in_mr: &run_in_mr
  if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
  when: on_success

.run_on_schedule: &run_on_schedule
  if: '$CI_PIPELINE_SOURCE == "schedule"'
  when: on_success

.do_not_run_otherwise: &do_not_run_otherwise
  when: never

.base:
  variables:
    GIT_STRATEGY: fetch
    GIT_DEPTH: 200
  cache:
    key: lighthouse-datadog-${CI_COMMIT_REF_SLUG}
    paths:
      - node_modules
    policy: pull
  rules:
    - *run_in_master
    - *run_in_mr
    - *run_on_schedule
    - *do_not_run_otherwise
  before_script:
    - yarn install --frozen-lockfile

Install:
  stage: install
  extends: .base
  cache:
    policy: pull-push
  script:
    - echo "Dependencies installed"

Unit test:
  stage: test
  extends: .base
  rules:
    - *run_in_master
    - *run_in_mr
    - *do_not_run_otherwise
  script:
    - yarn test:unit

Lint:
  stage: test
  extends: .base
  rules:
    - *run_in_master
    - *run_in_mr
    - *do_not_run_otherwise
  script:
    - yarn lint

Audit:
  stage: audit
  extends: .base
  image: cypress/browsers:latest
  rules:
    - *run_on_schedule
    - *do_not_run_otherwise
  script:
    - yarn lighthouse:audit
  artifacts:
    paths:
      - lighthouse-reports/*
    expire_in: 1 week