Always generate notices after build

Author: thecrypticace

esbuild.mjs

@@ -1,9 +1,13 @@
+import * as fs from 'node:fs/promises'
+import * as path from 'node:path'
+import { createRequire } from 'node:module'
+import { fileURLToPath } from 'node:url'
 import esbuild from 'esbuild'
-import fs from 'fs'
-import { createRequire } from 'module'
 import minimist from 'minimist'
+import checker from 'license-checker'
 
 const require = createRequire(import.meta.url)
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
 const args = minimist(process.argv.slice(2), {
   boolean: ['watch', 'minify'],
@@ -31,7 +35,7 @@ let ctx = await esbuild.context({
 
         build.onLoad({ filter: /.*/, namespace: 'css' }, async (args) => ({
           contents: `
-              export default ${JSON.stringify(await fs.promises.readFile(args.path, 'utf8'))}
+              export default ${JSON.stringify(await fs.readFile(args.path, 'utf8'))}
             `,
         }))
       },
@@ -72,6 +76,86 @@ let ctx = await esbuild.context({
         opts.loader['.node'] = 'file'
       },
     },
+    {
+      name: 'generate-notices',
+      async setup() {
+        let exclude = [
+          /^@types\//,
+          'esbuild',
+          'rimraf',
+          'prettier',
+          'typescript',
+          'license-checker',
+        ]
+
+        let allLicenses = {
+          ...(await getLicenses(path.resolve(__dirname, 'packages/tailwindcss-language-server'))),
+          ...(await getLicenses(path.resolve(__dirname, 'packages/tailwindcss-language-service'))),
+        }
+
+        let allDeps = [
+          ...(await getDeps(path.resolve(__dirname, 'packages/tailwindcss-language-server'), true)),
+          ...(await getDeps(path.resolve(__dirname, 'packages/tailwindcss-language-service'))),
+        ]
+
+        function isExcluded(name) {
+          for (let pattern of exclude) {
+            if (typeof pattern === 'string') {
+              if (name === pattern) {
+                return true
+              }
+            } else if (pattern.test(name)) {
+              return true
+            }
+          }
+
+          return false
+        }
+
+        async function getDeps(dir, dev = false) {
+          let pkg = JSON.parse(await fs.readFile(path.resolve(dir, 'package.json'), 'utf-8'))
+
+          let deps = Object.entries(pkg['dependencies'] ?? {})
+
+          if (dev) deps.push(...Object.entries(pkg['devDependencies'] ?? {}))
+
+          return deps.map(([name, version]) => `${name}@${version}`)
+        }
+
+        function getLicenses(dir) {
+          return new Promise((resolve, reject) => {
+            checker.init({ start: dir }, (err, packages) => {
+              if (err) return reject(err)
+              return resolve(packages)
+            })
+          })
+        }
+
+        let contents = []
+
+        for (let pkg in allLicenses) {
+          if (!allDeps.includes(pkg)) continue
+
+          let parts = pkg.split('@')
+          let name = parts.slice(0, parts.length - 1).join('@')
+          if (isExcluded(name)) continue
+
+          let license = allLicenses[pkg].licenseFile
+            ? (await fs.readFile(allLicenses[pkg].licenseFile, 'utf-8')).trim()
+            : undefined
+
+          if (!license) continue
+
+          contents.push(`${pkg}\n\n${license}`)
+        }
+
+        await fs.writeFile(
+          path.resolve(__dirname, 'packages/tailwindcss-language-server/ThirdPartyNotices.txt'),
+          contents.join(`\n\n${'='.repeat(80)}\n\n`),
+          'utf-8',
+        )
+      },
+    },
   ],
 })
 

package.json

@@ -4,8 +4,10 @@
   "devDependencies": {
     "@npmcli/package-json": "^5.0.0",
     "@types/culori": "^2.1.0",
+    "@types/license-checker": "^25.0.6",
     "culori": "^4.0.1",
     "esbuild": "^0.25.5",
+    "license-checker": "25.0.1",
     "minimist": "^1.2.8",
     "prettier": "^3.2.5",
     "semver": "^7.7.1"

packages/tailwindcss-language-server/package.json

@@ -17,7 +17,6 @@
     "_esbuild": "node ../../esbuild.mjs src/server.ts --outfile=bin/tailwindcss-language-server --minify",
     "_esbuild:css": "node ../../esbuild.mjs src/language/css.ts --outfile=bin/css-language-server --minify",
     "clean": "rimraf bin",
-    "create-notices-file": "node scripts/createNoticesFile.mjs",
     "prepublishOnly": "pnpm run build",
     "test": "vitest",
     "pretest": "node tests/prepare.mjs"
@@ -55,7 +54,6 @@
     "@types/debounce": "1.2.0",
     "@types/dlv": "^1.1.4",
     "@types/find-up": "^4.0.0",
-    "@types/license-checker": "^25.0.6",
     "@types/node": "^18.19.33",
     "@types/normalize-path": "^3.0.2",
     "@types/picomatch": "^2.3.3",
@@ -77,7 +75,6 @@
     "find-up": "5.0.0",
     "jiti": "^2.3.3",
     "klona": "2.0.4",
-    "license-checker": "25.0.1",
     "minimist": "^1.2.8",
     "normalize-path": "3.0.0",
     "picomatch": "^4.0.1",