Monorepo setup with yarn + lerna

learn.json

{
    "lerna": "2.11.0",
    "version": "independent",
    "npmClient": "yarn",
    "useWorkspaces": true,
    "command": {
        "publish": {
            "allowBranch": "master"
        }
    }
}

package.json

{
  "private": true,
  "scripts": {
    "bootstrap": "lerna bootstrap",
    "test": "lerna run test",
    "prepare": "lerna run prepare",
    "clean": "rimraf packages/**/lib",
    "distclean": "lerna clean --yes && yarn clean",
    "build:libs": "yarn clean && yarn prepare",
    "bump": "lerna publish --exact --skip-npm",
    "release": "yarn bump && git push --follow-tags && scripts/release"
  },
  "workspaces": [
    "packages/*"
  ],
  "devDependencies": {
    "lerna": "^2.11.0",
    "rimraf": "^2.6.2"
  }
}

release

#!/bin/bash
set -e
echo "📦  Publishing latest release..."

# Note: try-publish should exit cleanly if it detects a duplicate.
# published version
$(npm bin)/lerna exec --concurrency 1 -- $(pwd)/scripts/try-publish

try-publish

#!/bin/bash
set -e
# pwd
package=$(jq -r .name package.json)
version=$(jq -r .version package.json)
published=$(yarn info $package version) || published="N/A"
if [[ "$version" = "$published" ]]; then
  echo "⚠️   $package@$version is already published!"
else
  echo "📦  Publishing: $package@$version (published: $published)"
  yarn publish --non-interactive --new-version $version
fi