feat: add script to publish a next version

Author: Loïc Mangeonjean

package.json

@@ -26,6 +26,7 @@
     "lint": "eslint {/src/**/*.ts,./rollup/*.ts,./*.ts}",
     "generate-types": "./scripts/generate-types",
     "release": "node --loader ts-node/esm release.ts ${npm_package_config_vscode_version}",
+    "releaseNext": "node --loader ts-node/esm releaseNext.ts ${npm_package_config_vscode_version}",
     "reset:repo": "git clean -f -X -d"
   },
   "config": {

releaseNext.ts

@@ -0,0 +1,87 @@
+/**
+ * This script was inspired by https://dev.to/antongolub/you-don-t-need-semantic-release-sometimes-3k6k
+ */
+
+import { $ } from 'zx'
+import semver from 'semver'
+import packageJson from 'package-json'
+import path from 'path'
+import fs from 'fs/promises'
+import syncFs from 'fs'
+import { fileURLToPath } from 'url'
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+
+/**
+ * Comes from https://github.com/semantic-release/semantic-release/blob/9589a96239826abe9b07e8deffcc7d8aeb9c2e40/index.js#L45
+ */
+const COMMIT_NAME = 'release-bot'
+const COMMIT_EMAIL = '[email protected]'
+$.env = {
+  GIT_AUTHOR_NAME: COMMIT_NAME,
+  GIT_AUTHOR_EMAIL: COMMIT_EMAIL,
+  GIT_COMMITTER_NAME: COMMIT_NAME,
+  GIT_COMMITTER_EMAIL: COMMIT_EMAIL,
+  ...process.env,
+  GIT_ASKPASS: 'echo',
+  GIT_TERMINAL_PROMPT: '0'
+}
+
+function escapeRegExp (string: string) {
+  return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
+}
+
+const vscodeVersion = process.argv[process.argv.length - 1]!
+const minorVscodeVersion = `${semver.major(vscodeVersion)}.${semver.minor(vscodeVersion)}`
+const tagPattern = new RegExp(`^v?(${escapeRegExp(minorVscodeVersion)}\\.\\d+)$`)
+
+async function getLastTag () {
+  const tags = (await $`git tag -l --sort=-v:refname`).toString().split('\n').map(tag => tag.trim())
+
+  const matchingTags = tags.filter(tag => tagPattern.test(tag)).sort(semver.compare)
+  const lastTag = matchingTags[matchingTags.length - 1]!
+
+  return lastTag
+}
+
+async function getNextVersion (lastTag: string) {
+  // Find available next version
+  const allVersions = new Set(Object.keys((await packageJson('@codingame/monaco-vscode-api', {
+    allVersions: true
+  })).versions))
+  let nextVersion: string = lastTag
+  do {
+    nextVersion = semver.inc(nextVersion, 'prerelease', true, 'next')!
+  } while (allVersions.has(nextVersion))
+
+  return nextVersion
+}
+
+async function publishNpm (version: string) {
+  const distDir = path.resolve(__dirname, 'dist')
+  for (const dirName of await fs.readdir(distDir)) {
+    const libDir = path.resolve(distDir, dirName)
+    const packageJsonFile = path.resolve(libDir, 'package.json')
+    if (syncFs.existsSync(packageJsonFile)) {
+      const packageJson = JSON.parse((await fs.readFile(packageJsonFile)).toString())
+      packageJson.version = version
+      if (packageJson.dependencies?.vscode != null) {
+        packageJson.dependencies.vscode = `npm:@codingame/monaco-vscode-api@${version}`
+      }
+      await fs.writeFile(packageJsonFile, JSON.stringify(packageJson, null, 2))
+
+      $.cwd = libDir
+      await $`npm publish --tag next`
+    }
+  }
+}
+
+async function run () {
+  const lastTag = await getLastTag()
+  const nextVersion = await getNextVersion(lastTag)
+  await publishNpm(nextVersion)
+}
+
+run().catch(error => {
+  console.error(error)
+  process.exit(1)
+})