Melos config for Flutter

melos.yaml

name: bloc_samples

packages:
  - "*"
  - analysis_options/*
  - features/**

scripts:
  gen:single:
    run: melos exec -c 1 --fail-fast -- flutter pub run build_runner build --delete-conflicting-outputs
    description: Generate files with `build_runner` for a selected package.
    select-package:
      depends-on: build_runner

  gen:all:
    run: melos run gen:single --no-select
    description: Generate files with `build_runner` for all packages.
    select-package:
      depends-on: build_runner

  test:
    run: melos exec --dir-exists="test" --fail-fast -- flutter test --no-pub --test-randomize-ordering-seed random
    description: Run all tests.

  cov:gen:
    run: melos exec --dir-exists="test" --fail-fast -- flutter test --no-pub --coverage --test-randomize-ordering-seed random
    description: Run all test and generate coverage data per package

  cov:merge:l:
    run: rm -dfr coverage/lcov.info && melos exec -- sh MELOS_ROOT_PATH/merge-coverage.sh
    description: Merge all coverage data (Linux)

  cov:merge:m:
    run: rm -dfr coverage/lcov.info && melos exec -- sh MELOS_ROOT_PATH/merge-coverage.sh
    description: Merge all coverage data (macOS)

  cov:merge:w:
    run: if exist Coverage\lcov.info ( del /f /q coverage\lcov.info ) && melos exec -- MELOS_ROOT_PATH\merge-coverage.bat
    description: Merge all coverage data (Windows)

  cov:wipe:
    # To use this script, you need to:
    #  1. Install the remove_from_coverage package (https://pub.dev/packages/remove_from_coverage).
    run: remove_from_coverage -f coverage/lcov.info -r "\.freezed\.dart$","\.g\.dart$","\.gr\.dart$"
    description: Remove coverage data about generated Dart files

  cov:rep:l:
    run: genhtml coverage/lcov.info -o coverage/html/ && xdg-open coverage/html/index.html
    description: Generate and preview the global coverage report (Linux)

  cov:rep:m:
    run: genhtml coverage/lcov.info -o coverage/html/ && open coverage/html/index.html
    description: Generate and preview the global coverage report (macOS)

  cov:rep:w:
    # To use this script, you need to:
    #  1. Install `lcov` utils with Chocolatey.
    #  2. Set the `LCOV_TOOLS_PATH` env variable to the `lcov\tools\bin` folder absolute path (Often `C:\ProgramData\chocolatey\lib\lcov\tools\bin`).
    run: perl %LCOV_TOOLS_PATH%\genhtml -o coverage\html coverage\lcov.info && start coverage\html\index.html
    description: Generate and preview the global coverage report (Windows)

  wf:l:
    run: melos run cov:gen && melos run cov:merge:l && melos run cov:wipe && melos run cov:rep:l
    description: Run full workflow (Linux)

  wf:m:
    run: melos run cov:gen && melos run cov:merge:m && melos run cov:wipe && melos run cov:rep:m
    description: Run full workflow (macOS)

  wf:w:
    run: melos run cov:gen && melos run cov:merge:w && melos run cov:wipe && melos run cov:rep:w
    description: Run full workflow (Windows)

merge-coverage.bat

@echo off
setLocal EnableDelayedExpansion

set relPath=!cd:%MELOS_ROOT_PATH%\=!

if exist pubspec.yaml (
  if exist coverage\ (
    if not exist %MELOS_ROOT_PATH%\coverage\ (
      mkdir %MELOS_ROOT_PATH%\coverage
    )
    for /f "delims=" %%a in (coverage\lcov.info) do (
        SET s=%%a
        SET s=!s:SF:lib\=SF:%relPath%\lib\!
        echo !s!>>%MELOS_ROOT_PATH%\coverage\lcov.info
    )
  )
)

endLocal

merge-coverage.sh

#!/usr/bin/env bash

relPath="$(echo `pwd` | sed "s|$MELOS_ROOT_PATH/||g" | sed 's|/|\\/|g')"

if [ -f "pubspec.yaml" ]; then
  if [ -d "coverage" ]; then
    if [ ! -d "$MELOS_ROOT_PATH/coverage" ]; then
      mkdir "$MELOS_ROOT_PATH/coverage"
    fi
    sed "s/^SF:lib/SF:$relPath\/lib/g" coverage/lcov.info >> "$MELOS_ROOT_PATH/coverage/lcov.info"
  fi
fi