From a6abec9bf72a8e7fb7be67f8673cce706b5c71eb Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Mon, 16 Mar 2026 23:36:47 +0000
Subject: [PATCH 1/3] build(deps): bump @microlink/mql from 0.14.2 to 0.15.1

Bumps [@microlink/mql](https://github.com/microlinkhq/mql) from 0.14.2 to 0.15.1.
- [Release notes](https://github.com/microlinkhq/mql/releases)
- [Changelog](https://github.com/microlinkhq/mql/blob/master/CHANGELOG.md)
- [Commits](https://github.com/microlinkhq/mql/compare/v0.14.2...v0.15.1)

---
updated-dependencies:
- dependency-name: "@microlink/mql"
  dependency-version: 0.15.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 66e8ba2..d28f644 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "serverless"
   ],
   "dependencies": {
-    "@microlink/mql": "~0.14.0",
+    "@microlink/mql": "~0.15.1",
     "base64-url": "~2.3.3"
   },
   "devDependencies": {

From 54b925aae888a971f6060b320b1a99c14ac4ac43 Mon Sep 17 00:00:00 2001
From: Kiko Beats <josefrancisco.verdu@gmail.com>
Date: Tue, 17 Mar 2026 10:54:25 +0100
Subject: [PATCH 2/3] chore: remove lightweight

---
 .gitignore                                    |  4 +-
 {lightweight => dist}/index.d.ts              |  0
 dist/package.json                             |  3 ++
 index.html                                    |  2 +-
 lightweight/package.json                      |  5 ---
 package.json                                  | 32 +++++++++------
 rollup.config.js                              | 25 +++++------
 src/index.js                                  | 41 +++++++++++++++++++
 src/lightweight.mjs                           | 22 ----------
 src/main.mjs                                  |  7 ++++
 src/node.js                                   | 39 ------------------
 test/clients.mjs                              |  6 +--
 test/compress.mjs                             | 34 +++++++++++++++
 ...{lightweight.test-d.ts => index.test-d.ts} |  2 +-
 14 files changed, 120 insertions(+), 102 deletions(-)
 rename {lightweight => dist}/index.d.ts (100%)
 create mode 100644 dist/package.json
 delete mode 100644 lightweight/package.json
 create mode 100644 src/index.js
 delete mode 100644 src/lightweight.mjs
 create mode 100644 src/main.mjs
 delete mode 100644 src/node.js
 create mode 100644 test/compress.mjs
 rename test/{lightweight.test-d.ts => index.test-d.ts} (91%)

diff --git a/.gitignore b/.gitignore
index d4b907e..de4b5b2 100755
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,4 @@ coverage
 .env
 .envrc
 stats.html
-src/node.mjs
-lightweight/index.js
-lightweight/index-bundled.d.ts
+dist/index.js
diff --git a/lightweight/index.d.ts b/dist/index.d.ts
similarity index 100%
rename from lightweight/index.d.ts
rename to dist/index.d.ts
diff --git a/dist/package.json b/dist/package.json
new file mode 100644
index 0000000..3dbc1ca
--- /dev/null
+++ b/dist/package.json
@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}
diff --git a/index.html b/index.html
index f61bccc..6fb9caf 100644
--- a/index.html
+++ b/index.html
@@ -58,7 +58,7 @@
     }
   </script>
   <script type="module">
-    import microlink from './lightweight/index.js'
+    import microlink from './dist/index.js'
 
     function getBrowser() {
         var ua=navigator.userAgent,tem,M=ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
diff --git a/lightweight/package.json b/lightweight/package.json
deleted file mode 100644
index 73be0af..0000000
--- a/lightweight/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "main": "index.js",
-  "type": "module",
-  "types": "index-bundled.d.ts"
-}
diff --git a/package.json b/package.json
index d28f644..f6c5264 100644
--- a/package.json
+++ b/package.json
@@ -3,10 +3,12 @@
   "description": "Browser functions as Service. Interacting with browser pages, remotely.",
   "homepage": "https://function.microlink.io",
   "version": "0.2.2",
-  "types": "lightweight/index.d.ts",
+  "types": "dist/index.d.ts",
   "exports": {
-    "require": "./src/node.js",
-    "default": "./lightweight/index.js"
+    "types": "./dist/index.d.ts",
+    "require": "./src/index.js",
+    "import": "./src/main.mjs",
+    "default": "./src/main.mjs"
   },
   "author": {
     "email": "josefrancisco.verdu@gmail.com",
@@ -32,7 +34,7 @@
   ],
   "dependencies": {
     "@microlink/mql": "~0.15.1",
-    "base64-url": "~2.3.3"
+    "lz-ts": "~1.1.2"
   },
   "devDependencies": {
     "@commitlint/cli": "latest",
@@ -54,26 +56,23 @@
     "puppeteer-core": "latest",
     "rollup": "latest",
     "rollup-plugin-filesize": "latest",
-    "rollup-plugin-rewrite": "latest",
-    "rollup-plugin-visualizer": "latest",
     "simple-git-hooks": "latest",
     "standard": "latest",
     "standard-version": "latest",
-    "stream-to-promise": "latest",
     "tsd": "latest"
   },
   "engines": {
     "node": ">= 18"
   },
   "files": [
-    "lightweight",
-    "src/factory.js",
-    "src/node.js"
+    "dist",
+    "src/index.js",
+    "src/main.mjs"
   ],
   "scripts": {
     "build": "rollup -c rollup.config.js --bundleConfigAsCjs",
     "clean": "rm -rf node_modules",
-    "clean:build": "rm -rf lightweight/index.js",
+    "clean:build": "rm -rf dist/index.js",
     "contributors": "(npx git-authors-cli && npx finepack && git add package.json && git commit -m 'build: contributors' --no-verify) || true",
     "dev": "npm run build -- -w",
     "lint": "standard && tsd",
@@ -119,11 +118,18 @@
   },
   "standard": {
     "ignore": [
-      "lightweight/index.js",
-      "src/node.mjs"
+      "dist/index.js"
     ]
   },
   "tsd": {
+    "compilerOptions": {
+      "baseUrl": ".",
+      "paths": {
+        "@microlink/function": [
+          "./dist/index.d.ts"
+        ]
+      }
+    },
     "directory": "test"
   }
 }
diff --git a/rollup.config.js b/rollup.config.js
index af4d40b..972f479 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,5 +1,4 @@
 import nodeResolve from '@rollup/plugin-node-resolve'
-import { visualizer } from 'rollup-plugin-visualizer'
 import commonjs from '@rollup/plugin-commonjs'
 import filesize from 'rollup-plugin-filesize'
 import replace from '@rollup/plugin-replace'
@@ -23,24 +22,22 @@ const build = ({ input, output, plugins = [], compress }) => {
             comments: false
           }
         }),
-      filesize(),
-      visualizer()
-    ]
+      filesize()
+    ].filter(Boolean)
   }
 }
 
 const builds = [
-  /* This build is just for testing using ESM interface */
-  build({
-    input: './src/node.js',
-    output: { file: 'src/node.mjs', format: 'es' },
-    plugins: [commonjs()]
-  }),
   build({
-    compress: true,
-    input: 'src/lightweight.mjs',
-    output: { file: 'lightweight/index.js', format: 'es' },
-    plugins: [nodeResolve()]
+    compress: false,
+    input: 'src/index.js',
+    output: { file: 'dist/index.js', format: 'es' },
+    plugins: [
+      nodeResolve({
+        mainFields: ['browser', 'module', 'main']
+      }),
+      commonjs({ strictRequires: 'auto' })
+    ]
   })
 ]
 
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..6aaf02b
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,41 @@
+'use strict'
+
+const mql = require('@microlink/mql')
+
+let toCompress
+
+try {
+  const { promisify } = require('util')
+  const { brotliCompress } = require('zlib')
+  const compress = promisify(brotliCompress)
+  toCompress = async code =>
+    `br#${(await compress(code.toString())).toString('base64url')}`
+} catch {
+  const { compressToURI } = require('lz-ts')
+  toCompress = code => Promise.resolve(`lz#${compressToURI(code.toString())}`)
+}
+
+const fn = (code, mqlOpts, gotOpts) => {
+  const compressed = toCompress(code)
+
+  return async (url, opts) => {
+    const { data } = await mql(
+      url,
+      {
+        function: await compressed,
+        meta: false,
+        ...mqlOpts,
+        ...opts
+      },
+      gotOpts
+    )
+
+    return data.function
+  }
+}
+
+fn.compress = toCompress
+fn.mql = mql
+fn.version = require('../package.json').version
+
+module.exports = fn
diff --git a/src/lightweight.mjs b/src/lightweight.mjs
deleted file mode 100644
index 3a5a2f3..0000000
--- a/src/lightweight.mjs
+++ /dev/null
@@ -1,22 +0,0 @@
-import mql from '@microlink/mql'
-
-const fn = (code, mqlOpts, gotOpts) => async (url, opts) => {
-  const { data } = await mql(
-    url,
-    {
-      function: code.toString(),
-      meta: false,
-      ...mqlOpts,
-      ...opts
-    },
-    gotOpts
-  )
-
-  return data.function
-}
-
-fn.mql = mql
-fn.render = mql.render
-fn.version = require('../package.json').version
-
-export default fn
diff --git a/src/main.mjs b/src/main.mjs
new file mode 100644
index 0000000..448e58a
--- /dev/null
+++ b/src/main.mjs
@@ -0,0 +1,7 @@
+import fn from '../dist/index.js'
+
+export const compress = fn.compress
+export const mql = fn.mql
+export const version = fn.version
+
+export default fn
diff --git a/src/node.js b/src/node.js
deleted file mode 100644
index c6607ed..0000000
--- a/src/node.js
+++ /dev/null
@@ -1,39 +0,0 @@
-'use strict'
-
-const { escape } = require('base64-url')
-const { promisify } = require('util')
-const mql = require('@microlink/mql')
-const zlib = require('zlib')
-
-const brotliCompress = promisify(zlib.brotliCompress)
-
-const toCompress = code =>
-  brotliCompress(code.toString()).then(
-    data => `br#${escape(data.toString('base64'))}`
-  )
-
-const fn = (code, mqlOpts, gotOpts) => {
-  const compress = toCompress(code)
-
-  return async (url, opts) => {
-    const { data } = await mql(
-      url,
-      {
-        function: await compress,
-        meta: false,
-        ping: false,
-        ...mqlOpts,
-        ...opts
-      },
-      gotOpts
-    )
-
-    return data.function
-  }
-}
-
-fn.mql = mql
-fn.render = mql.render
-fn.version = require('../package.json').version
-
-module.exports = fn
diff --git a/test/clients.mjs b/test/clients.mjs
index f4ca6ff..497d445 100644
--- a/test/clients.mjs
+++ b/test/clients.mjs
@@ -1,7 +1,5 @@
-import ligtweight from '../lightweight/index.js'
-import node from '../src/node.mjs'
+import esm from '../dist/index.js'
 
 export default [
-  { constructor: node, target: 'node' },
-  { constructor: ligtweight, target: 'lightweight' }
+  { constructor: esm, target: 'esm' }
 ]
diff --git a/test/compress.mjs b/test/compress.mjs
new file mode 100644
index 0000000..991adc3
--- /dev/null
+++ b/test/compress.mjs
@@ -0,0 +1,34 @@
+import { brotliDecompress } from 'zlib'
+import { createRequire } from 'module'
+import { promisify } from 'util'
+import test from 'ava'
+
+const require = createRequire(import.meta.url)
+const { decompressFromURI, compressToURI } = require('lz-ts')
+const fn = require('../src/index.js')
+
+const decompress = promisify(brotliDecompress)
+const code = '({ page }) => page.title()'
+
+test('compress is exported', t => {
+  t.is(typeof fn.compress, 'function')
+})
+
+test('node.js selects brotli compression', async t => {
+  const compressed = await fn.compress(code)
+  t.true(compressed.startsWith('br#'))
+})
+
+test('brotli roundtrip produces original code', async t => {
+  const compressed = await fn.compress(code)
+  const payload = compressed.slice(3)
+  const decompressed = (await decompress(Buffer.from(payload, 'base64url'))).toString()
+  t.is(decompressed, code)
+})
+
+test('lz roundtrip produces original code', t => {
+  const compressed = `lz#${compressToURI(code)}`
+  t.true(compressed.startsWith('lz#'))
+  const payload = compressed.slice(3)
+  t.is(decompressFromURI(payload), code)
+})
diff --git a/test/lightweight.test-d.ts b/test/index.test-d.ts
similarity index 91%
rename from test/lightweight.test-d.ts
rename to test/index.test-d.ts
index 0366d00..72b0d69 100644
--- a/test/lightweight.test-d.ts
+++ b/test/index.test-d.ts
@@ -1,4 +1,4 @@
-import microlinkFn from '../lightweight'
+import microlinkFn from '@microlink/function'
 
 /** definition */
 

From 0acb0a0732c4ad1c746ab82a0b2e5ed1f9c0cfd3 Mon Sep 17 00:00:00 2001
From: Kiko Beats <josefrancisco.verdu@gmail.com>
Date: Tue, 17 Mar 2026 10:56:46 +0100
Subject: [PATCH 3/3] chore: add tinyspawn

---
 dist/package.json        |  3 --
 package.json             | 21 ++++++--------
 {dist => src}/index.d.ts |  0
 src/index.mjs            | 10 +++++++
 src/main.mjs             |  7 -----
 test/clients.mjs         |  5 ----
 test/compress.mjs        | 17 +++++++++++-
 test/index.mjs           | 60 +++++++++++++++++-----------------------
 8 files changed, 59 insertions(+), 64 deletions(-)
 delete mode 100644 dist/package.json
 rename {dist => src}/index.d.ts (100%)
 create mode 100644 src/index.mjs
 delete mode 100644 src/main.mjs
 delete mode 100644 test/clients.mjs

diff --git a/dist/package.json b/dist/package.json
deleted file mode 100644
index 3dbc1ca..0000000
--- a/dist/package.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}
diff --git a/package.json b/package.json
index f6c5264..247f3a8 100644
--- a/package.json
+++ b/package.json
@@ -3,12 +3,12 @@
   "description": "Browser functions as Service. Interacting with browser pages, remotely.",
   "homepage": "https://function.microlink.io",
   "version": "0.2.2",
-  "types": "dist/index.d.ts",
+  "types": "src/index.d.ts",
   "exports": {
-    "types": "./dist/index.d.ts",
+    "types": "./src/index.d.ts",
     "require": "./src/index.js",
-    "import": "./src/main.mjs",
-    "default": "./src/main.mjs"
+    "import": "./src/index.mjs",
+    "default": "./src/index.mjs"
   },
   "author": {
     "email": "josefrancisco.verdu@gmail.com",
@@ -59,15 +59,14 @@
     "simple-git-hooks": "latest",
     "standard": "latest",
     "standard-version": "latest",
+    "tinyspawn": "latest",
     "tsd": "latest"
   },
   "engines": {
     "node": ">= 18"
   },
   "files": [
-    "dist",
-    "src/index.js",
-    "src/main.mjs"
+    "src"
   ],
   "scripts": {
     "build": "rollup -c rollup.config.js --bundleConfigAsCjs",
@@ -87,10 +86,6 @@
   },
   "license": "MIT",
   "ava": {
-    "files": [
-      "test/**/*",
-      "!test/clients.mjs"
-    ],
     "timeout": "1m"
   },
   "commitlint": {
@@ -118,7 +113,7 @@
   },
   "standard": {
     "ignore": [
-      "dist/index.js"
+      "dist"
     ]
   },
   "tsd": {
@@ -126,7 +121,7 @@
       "baseUrl": ".",
       "paths": {
         "@microlink/function": [
-          "./dist/index.d.ts"
+          "./src/index.d.ts"
         ]
       }
     },
diff --git a/dist/index.d.ts b/src/index.d.ts
similarity index 100%
rename from dist/index.d.ts
rename to src/index.d.ts
diff --git a/src/index.mjs b/src/index.mjs
new file mode 100644
index 0000000..c63889e
--- /dev/null
+++ b/src/index.mjs
@@ -0,0 +1,10 @@
+import { createRequire } from 'module'
+
+const require = createRequire(import.meta.url)
+const fn = require('./index.js')
+
+export const compress = fn.compress
+export const mql = fn.mql
+export const version = fn.version
+
+export default fn
diff --git a/src/main.mjs b/src/main.mjs
deleted file mode 100644
index 448e58a..0000000
--- a/src/main.mjs
+++ /dev/null
@@ -1,7 +0,0 @@
-import fn from '../dist/index.js'
-
-export const compress = fn.compress
-export const mql = fn.mql
-export const version = fn.version
-
-export default fn
diff --git a/test/clients.mjs b/test/clients.mjs
deleted file mode 100644
index 497d445..0000000
--- a/test/clients.mjs
+++ /dev/null
@@ -1,5 +0,0 @@
-import esm from '../dist/index.js'
-
-export default [
-  { constructor: esm, target: 'esm' }
-]
diff --git a/test/compress.mjs b/test/compress.mjs
index 991adc3..19e389a 100644
--- a/test/compress.mjs
+++ b/test/compress.mjs
@@ -5,7 +5,7 @@ import test from 'ava'
 
 const require = createRequire(import.meta.url)
 const { decompressFromURI, compressToURI } = require('lz-ts')
-const fn = require('../src/index.js')
+const fn = require('@microlink/function')
 
 const decompress = promisify(brotliDecompress)
 const code = '({ page }) => page.title()'
@@ -26,6 +26,21 @@ test('brotli roundtrip produces original code', async t => {
   t.is(decompressed, code)
 })
 
+test('falls back to lz-string when zlib is unavailable', async t => {
+  const { execFileSync } = await import('child_process')
+  const result = execFileSync(process.execPath, ['-e', `
+    const Module = require('module')
+    const originalLoad = Module._load
+    Module._load = function (id, parent, isMain) {
+      if (id === 'zlib') throw new Error('not available')
+      return originalLoad(id, parent, isMain)
+    }
+    const fn = require(${JSON.stringify(require.resolve('@microlink/function'))})
+    fn.compress('({ page }) => page.title()').then(r => process.stdout.write(r))
+  `], { encoding: 'utf8' })
+  t.true(result.startsWith('lz#'))
+})
+
 test('lz roundtrip produces original code', t => {
   const compressed = `lz#${compressToURI(code)}`
   t.true(compressed.startsWith('lz#'))
diff --git a/test/index.mjs b/test/index.mjs
index 9af7844..688f982 100644
--- a/test/index.mjs
+++ b/test/index.mjs
@@ -1,52 +1,42 @@
 'use strict'
 
+import microlink from '@microlink/function'
 import test from 'ava'
 
-import clients from './clients.mjs'
+const ENDPOINT = 'http://localhost:3000'
 
-clients.forEach(({ constructor: microlink, target }) => {
-  test(`${target} » interact with the page`, async t => {
-    const getTitle = ({ page }) => page.title()
+test('interact with the page', async t => {
+  const getTitle = ({ page }) => page.title()
 
-    const myFn = microlink(getTitle)
+  const myFn = microlink(getTitle, { endpoint: ENDPOINT })
 
-    const result = await myFn('https://example.com', { force: true })
+  const result = await myFn('https://example.com', { force: true })
 
-    t.deepEqual(result, {
-      isFulfilled: true,
-      isRejected: false,
-      value: 'Example Domain'
-    })
-  })
-
-  test(`${target} » interact with the response`, async t => {
-    const getTitle = ({ response }) => response.status()
+  t.true(result.isFulfilled)
+  t.is(result.value, 'Example Domain')
+})
 
-    const myFn = microlink(getTitle)
+test.only('interact with the response', async t => {
+  const getTitle = ({ response }) => response.status()
 
-    const result = await myFn('https://example.com', { force: true })
+  const myFn = microlink(getTitle, { endpoint: ENDPOINT })
 
-    t.deepEqual(result, {
-      isFulfilled: true,
-      isRejected: false,
-      value: 200
-    })
-  })
+  const result = await myFn('https://example.com', { force: true })
 
-  test(`${target} » interact with user specific parameters`, async t => {
-    const getTitle = ({ greetings }) => greetings
+  t.true(result.isFulfilled)
+  t.is(result.value, 200)
+})
 
-    const myFn = microlink(getTitle)
+test('interact with user specific parameters', async t => {
+  const getTitle = ({ greetings }) => greetings
 
-    const result = await myFn('https://example.com', {
-      greetings: 'hello world',
-      force: true
-    })
+  const myFn = microlink(getTitle, { endpoint: ENDPOINT })
 
-    t.deepEqual(result, {
-      isFulfilled: true,
-      isRejected: false,
-      value: 'hello world'
-    })
+  const result = await myFn('https://example.com', {
+    greetings: 'hello world',
+    force: true
   })
+
+  t.true(result.isFulfilled)
+  t.is(result.value, 'hello world')
 })