refactor: creators

build/concurrent.js

@@ -0,0 +1,8 @@
+module.exports = async function concurrent(inputs, task, jobs = require('os').cpus().length) {
+  const workers = new Array(jobs).fill(Promise.resolve(0));
+  inputs.forEach((input, i) => {
+    // then= :)
+    workers[i % jobs] = workers[i % jobs].then(async (code) => await task(input) || code);
+  });
+  return (await Promise.all(workers)).find((code) => code !== 0) || 0;
+};

build/publish.js

@@ -1,43 +1,150 @@
+const {Buffer} = require('buffer');
 const {exec} = require('child_process');
+const {createHash} = require('crypto');
+const {createReadStream} = require('fs');
+const {cp, mkdir, writeFile} = require('fs/promises');
 const {join} = require('path');
 
-const {processCode, spawnWith} = require('@flecks/core/src/server');
+const {
+  processCode,
+  spawnWith,
+} = require('@flecks/core/src/server');
+const Arborist = require('@npmcli/arborist');
 const {glob} = require('glob');
 
+const concurrent = require('./concurrent');
+
 const {
   FLECKS_CORE_ROOT = process.cwd(),
 } = process.env;
 
-const args = ['npm', 'publish', '--provenance'];
+const args = ['npm', 'publish', ...process.argv.slice(2)];
+const bumpedVersions = {};
+const creators = ['create-app', 'create-fleck'];
+const localVersions = {};
+const packCache = join(FLECKS_CORE_ROOT, 'node_modules', '.cache', '@flecks', 'publish');
 const {workspaces} = require(join(FLECKS_CORE_ROOT, 'package.json'));
 
-(async () => {
-  const paths = (await Promise.all(workspaces.map((path) => glob(join(FLECKS_CORE_ROOT, path)))))
-    .flat();
-  const cpus = new Array(require('os').cpus().length).fill(Promise.resolve(0));
-  paths.forEach((cwd, i) => {
-    // then= :)
-    cpus[i % cpus.length] = cpus[i % cpus.length]
-      .then(async (code) => {
-        const {name, version} = require(join(cwd, 'package.json'));
-        const [localVersion, remoteVersion] = await Promise.all([
-          version,
-          new Promise((resolve, reject) => {
-            exec(`npm view ${name} version`, (error, stdout) => {
-              if (error) {
-                reject(error)
-                return;
-              }
-              resolve(stdout.trim());
-            });
-          }),
-        ]);
-        if (localVersion === remoteVersion) {
-          return code;
-        }
-        const publishCode = await processCode(spawnWith(args, {cwd: join(cwd, 'dist', 'fleck')}));
-        return publishCode || code;
-      });
+const run = (cmd) => (
+  new Promise((resolve) => {
+    exec(cmd, (error, stdout) => {
+      if (error) {
+        resolve(undefined)
+        return;
+      }
+      resolve(stdout.trim());
+    });
+  })
+);
+
+// Get integrity sums for creator dependencies.
+const packPkg = async (pkg) => {
+  await processCode(spawnWith(
+    ['npm', 'pack', '--pack-destination', packCache],
+    {cwd: join(FLECKS_CORE_ROOT, 'packages', pkg, 'dist', 'fleck'), stdio: 'ignore'},
+  ));
+};
+
+const bumpDependencies = (dependencies) => (
+  Object.fromEntries(
+    Object.entries(dependencies)
+      .map(([pkg, version]) => ([pkg, localVersions[pkg] || version])),
+  )
+);
+
+const integrityForPkg = async (pkg) => {
+  const pack = join(packCache, `flecks-${pkg.split('/')[1]}-${localVersions[pkg]}.tgz`);
+  const buffers = [];
+  // eslint-disable-next-line no-restricted-syntax
+  for await (const data of createReadStream(pack).pipe(createHash('sha512'))) {
+    buffers.push(data);
+  }
+  return `sha512-${Buffer.concat(buffers).toString('base64')}`;
+};
+
+const shrinkwrap = async (path) => {
+  const arb = new Arborist({
+    path,
+    registry: await run('npm config get registry'),
   });
-  process.exitCode = (await Promise.all(cpus)).find((code) => code !== 0) || 0;
+  const {meta} = await arb.buildIdealTree({saveType: 'prod'});
+  const shrinkwrap = await meta.commit();
+  shrinkwrap.packages = Object.fromEntries(
+    await Promise.all(
+      Object.entries(shrinkwrap.packages)
+        .map(async ([pkg, config]) => {
+          if (pkg.match(/node_modules\/@flecks\/[^/]+$/)) {
+            if (config.dependencies) {
+              config.dependencies = bumpDependencies(config.dependencies);
+            }
+            if (config.devDependencies) {
+              config.devDependencies = bumpDependencies(config.devDependencies);
+            }
+            const subpkg = pkg.split('/').slice(1).join('/');
+            config.version = localVersions[subpkg];
+            config.integrity = await integrityForPkg(subpkg);
+          }
+          return [pkg, config];
+        }),
+    ),
+  );
+  return shrinkwrap;
+};
+
+const shrinkwrapsAndPublish = async (creator) => {
+  const dist = join(FLECKS_CORE_ROOT, 'packages', creator, 'dist', 'fleck');
+  const fakePackage = join(packCache, creator);
+  await mkdir(fakePackage, {recursive: true});
+  // Get a shrinkwrap from template package.json and insert it as a package-lock.json.
+  await cp(join(dist, 'template', 'package.json.noconflict'), join(fakePackage, 'package.json'));
+  await writeFile(
+    join(dist, 'template', 'package-lock.json.noconflict'),
+    JSON.stringify(await shrinkwrap(fakePackage), null, 2),
+  );
+  // Get a shrinkwrap from the built creator and insert it as shrinkwrap.
+  await writeFile(
+    join(dist, 'npm-shrinkwrap.json'),
+    JSON.stringify(await shrinkwrap(dist), null, 2),
+  );
+  // Publish.
+  await processCode(spawnWith(args, {cwd: dist}));
+};
+
+(async () => {
+  await concurrent(
+    (await Promise.all(workspaces.map((path) => glob(join(FLECKS_CORE_ROOT, path))))).flat(),
+    async (cwd) => {
+      const {name, version} = require(join(cwd, 'package.json'));
+      const [localVersion, remoteVersion] = await Promise.all([
+        version,
+        run(`npm view ${name} version`),
+      ]);
+      localVersions[name] = version;
+      if (localVersion === remoteVersion) {
+        return undefined;
+      }
+      bumpedVersions[name] = version;
+      // Skip creators for now.
+      if (creators.some((creator) => name.endsWith(creator))) {
+        return undefined;
+      }
+      return processCode(spawnWith(args, {cwd: join(cwd, 'dist', 'fleck')}));
+    },
+  );
+  // No creators? Bail.
+  if (!bumpedVersions['@flecks/create-app'] && !bumpedVersions['@flecks/create-app']) {
+    return;
+  }
+  // Pack dependencies.
+  await mkdir(packCache, {recursive: true});
+  const dependencies = ['build', 'core', 'fleck', 'server'];
+  await Promise.all(dependencies.map(packPkg));
+  if (bumpedVersions['@flecks/create-fleck']) {
+    await shrinkwrapsAndPublish('create-fleck');
+  }
+  if (bumpedVersions['@flecks/create-app']) {
+    // Needs packed create-fleck for package lock.
+    await packPkg('create-fleck');
+    await shrinkwrapsAndPublish('create-app');
+  }
 })();

build/tasks.js

@@ -3,21 +3,18 @@ const {join} = require('path');
 const {processCode, spawnWith} = require('@flecks/core/src/server');
 const {glob} = require('glob');
 
+const concurrent = require('./concurrent');
+
 const {
   FLECKS_CORE_ROOT = process.cwd(),
 } = process.env;
 
-const args = ['npm', 'run', ...process.argv.slice(2)];
+const args = process.argv.slice(2);
 const {workspaces} = require(join(FLECKS_CORE_ROOT, 'package.json'));
 
 (async () => {
-  const paths = (await Promise.all(workspaces.map((path) => glob(join(FLECKS_CORE_ROOT, path)))))
-    .flat();
-  const cpus = new Array(require('os').cpus().length).fill(Promise.resolve(0));
-  paths.forEach((cwd, i) => {
-    // then= :)
-    cpus[i % cpus.length] = cpus[i % cpus.length]
-      .then(async (code) => (await processCode(spawnWith(args, {cwd}))) || code);
-  });
-  process.exitCode = (await Promise.all(cpus)).find((code) => code !== 0) || 0;
+  process.exitCode = await concurrent(
+    (await Promise.all(workspaces.map((path) => glob(join(FLECKS_CORE_ROOT, path))))).flat(),
+    (cwd) => processCode(spawnWith(args, {cwd})),
+  );
 })();

package.json

@@ -7,17 +7,20 @@
     "url": "git+https://github.com/cha0s/flecks.git"
   },
   "scripts": {
-    "build": "node build/tasks build",
+    "build": "node build/tasks npm run build",
     "ci": "act -j verify",
     "dox:bump": "npm run dox:gh-pages && cd dox && git add . && git commit -m $(git -C .. rev-parse HEAD) && git push origin gh-pages",
     "dox:gh-pages": "flecks dox docusaurus && cd website && DOCUSAURUS_GENERATED_FILES_DIR_NAME=node_modules/.cache/docusaurus node_modules/.bin/docusaurus build --out-dir ../dox-tmp && cd .. && rm -rf dox/* && mv dox-tmp/* dox && rmdir dox-tmp",
     "dox:serve": "flecks dox docusaurus && cd website && DOCUSAURUS_GENERATED_FILES_DIR_NAME=node_modules/.cache/docusaurus node_modules/.bin/docusaurus build --no-minify --out-dir ../dox-tmp && node_modules/.bin/docusaurus serve --dir ../dox-tmp",
     "dox": "flecks dox docusaurus && cd website && DOCUSAURUS_GENERATED_FILES_DIR_NAME=node_modules/.cache/docusaurus node_modules/.bin/docusaurus",
-    "lint": "node build/tasks lint",
-    "publish": "node build/publish",
-    "test": "node build/tasks -- test -t 300000"
+    "lint": "node build/tasks npm run lint",
+    "publish": "node build/publish --provenance",
+    "test": "node build/tasks npm run -- test -t 300000"
   },
   "workspaces": [
     "packages/*"
-  ]
+  ],
+  "devDependencies": {
+    "@npmcli/arborist": "^7.3.1"
+  }
 }

packages/build/build/commands.js

@@ -19,21 +19,20 @@ const {
   isStringLiteral,
   stringLiteral,
 } = require('@babel/types');
+const addPathsToYml = require('@flecks/core/build/add-paths-to-yml');
 const D = require('@flecks/core/build/debug');
 const {
   add,
   binaryPath,
+  loadYml,
   lockFile,
   spawnWith,
 } = require('@flecks/core/src/server');
 const chokidar = require('chokidar');
 const {glob} = require('glob');
-const {load: loadYml} = require('js-yaml');
 const {paperwork} = require('precinct');
 const {rimraf} = require('rimraf');
 
-const addPathsToYml = require('./add-paths-to-yml');
-
 const {
   FLECKS_CORE_ROOT = process.cwd(),
 } = process.env;
@@ -236,6 +235,7 @@ exports.commands = (program, flecks) => {
             ...(target ? {FLECKS_CORE_BUILD_LIST: target} : {}),
             ...(hot ? {FLECKS_ENV__flecks_server__hot: 'true'} : {}),
           },
+          // @todo This kills the pnpm. Let's use a real IPC channel.
           useFork: true,
           ...rest,
         };

packages/build/build/load-config.js

@@ -1,17 +1,18 @@
 const {readFile} = require('fs/promises');
 const {join} = require('path');
 
+const {loadYml} = require('@flecks/core/src/server');
+
 const D = require('@flecks/core/build/debug');
 
 const debug = D('@flecks/build/build/load-config');
 
 module.exports = async function loadConfig(root) {
   try {
-    const {load} = require('js-yaml');
     const filename = join(root, 'build', 'flecks.yml');
     const buffer = await readFile(filename, 'utf8');
     debug('parsing configuration from YML...');
-    return ['YML', load(buffer, {filename})];
+    return ['YML', loadYml(buffer, {filename})];
   }
   catch (error) {
     if ('ENOENT' !== error.code) {

packages/build/package.json

@@ -55,7 +55,6 @@
     "glob": "^10.3.10",
     "globals": "^13.23.0",
     "graceful-fs": "^4.2.11",
-    "js-yaml": "4.1.0",
     "mocha": "^10.2.0",
     "precinct": "^11.0.5",
     "rimraf": "^5.0.5",

packages/build/src/server.js

@@ -1,10 +1,6 @@
 /* eslint-disable global-require */
 
-const {dump: dumpYml, load: loadYml} = require('js-yaml');
-
 module.exports = {
-  dumpYml,
-  loadYml,
   rimraf: require('rimraf').rimraf,
   webpack: require('webpack'),
   ...require('../build/webpack'),

packages/build/test/server/yml.js

@@ -1,7 +1,7 @@
-import addPathsToYml from '@flecks/build/build/add-paths-to-yml';
+import addPathsToYml from '@flecks/core/build/add-paths-to-yml';
+import {loadYml} from '@flecks/core/server';
 import {expect} from 'chai';
 import {readFile, writeFile} from 'fs/promises';
-import {load as loadYml} from 'js-yaml';
 
 it('can add paths to YML', async () => {
   await writeFile(

packages/core/build/add-paths-to-yml.js

@@ -9,7 +9,7 @@ const {
 
 module.exports = async (paths, root) => {
   const ymlPath = join(root || FLECKS_CORE_ROOT, 'build', 'flecks.yml');
-  let yml = loadYml(await readFile(ymlPath));
+  let yml = loadYml(await readFile(ymlPath)) || {};
   yml = Object.fromEntries(Object.entries(yml).concat(paths.map((path) => [path, {}])));
   await writeFile(ymlPath, dumpYml(yml, {sortKeys: true}));
 };

packages/core/build/move.js

@@ -0,0 +1,16 @@
+const {basename, dirname, join} = require('path');
+
+const {JsonStream} = require('./stream');
+const FileTree = require('./tree');
+
+exports.move = async (name, source) => {
+  const fileTree = await FileTree.loadFrom(source);
+  // Renamed to avoid conflicts.
+  fileTree.glob('**/*.noconflict')
+    .forEach((path) => {
+      fileTree.move(path, join(dirname(path), basename(path, '.noconflict')));
+    });
+  // Add project name to `package.json`.
+  fileTree.pipe('package.json', new JsonStream((json) => ({name, ...json})));
+  return fileTree;
+};

packages/core/build/stream.js

@@ -1,57 +1,70 @@
 // eslint-disable-next-line max-classes-per-file
+const {dump: dumpYml, load: loadYml} = require('js-yaml');
 const JsonParse = require('jsonparse');
 const {Transform} = require('stream');
 
 exports.JsonStream = class JsonStream extends Transform {
 
-  constructor() {
+  constructor(decorator) {
     super();
-    const self = this;
-    this.done = undefined;
     this.parser = new JsonParse();
+    const self = this;
     this.parser.onValue = function onValue(O) {
       if (0 === this.stack.length) {
-        self.push(JSON.stringify(O));
-        self.done();
+        self.transformed = JSON.stringify(decorator(O));
       }
     };
+    this.transformed = undefined;
+  }
+
+  // eslint-disable-next-line no-underscore-dangle
+  _flush(done) {
+    this.push(this.transformed);
+    done();
   }
 
   // eslint-disable-next-line no-underscore-dangle
   _transform(chunk, encoding, done) {
-    this.done = done;
     this.parser.write(chunk);
-  }
-
-};
-
-exports.JsonStream.PrettyPrint = class extends Transform {
-
-  constructor(indent = 2) {
-    super();
-    this.indent = indent;
-  }
-
-  // eslint-disable-next-line no-underscore-dangle
-  async _transform(chunk, encoding, done) {
-    this.push(JSON.stringify(JSON.parse(chunk), null, this.indent));
     done();
   }
 
 };
 
-exports.transform = (fn, opts = {}) => {
-  class EasyTransform extends Transform {
-
-    constructor() {
-      super(opts);
-    }
-
-    // eslint-disable-next-line no-underscore-dangle, class-methods-use-this
-    _transform(chunk, encoding, done) {
-      fn(chunk, encoding, done, this);
-    }
+exports.JsonStream.PrettyPrint = class extends exports.JsonStream {
 
+  constructor(decorator, indent = 2) {
+    super(decorator);
+    const self = this;
+    this.parser.onValue = function onValue(O) {
+      if (0 === this.stack.length) {
+        self.transformed = JSON.stringify(O, null, indent);
+      }
+    };
   }
-  return new EasyTransform();
+
+};
+
+exports.YamlStream = class YamlStream extends Transform {
+
+  constructor(decorator, options = {dump: {}, load: {}}) {
+    super();
+    this.buffers = [];
+    this.decorator = decorator;
+    this.options = options;
+  }
+
+  // eslint-disable-next-line no-underscore-dangle
+  _flush(done) {
+    const yml = loadYml(Buffer.concat(this.buffers).toString(), this.options.load);
+    this.push(dumpYml(this.decorator(yml), this.options.dump));
+    done();
+  }
+
+  // eslint-disable-next-line no-underscore-dangle
+  _transform(chunk, encoding, done) {
+    this.buffers.push(chunk);
+    done();
+  }
+
 };

packages/core/build/tree.js

@@ -1,10 +1,12 @@
 const {createReadStream, createWriteStream} = require('fs');
 const {mkdir, stat} = require('fs/promises');
 
-const {glob, JsonStream} = require('@flecks/core/server');
+const {glob} = require('glob');
 const minimatch = require('minimatch');
 const {dirname, join} = require('path');
 
+const {JsonStream} = require('./stream');
+
 module.exports = class FileTree {
 
   constructor(files = {}) {
@@ -19,6 +21,12 @@ module.exports = class FileTree {
     this.files[path] = stream;
   }
 
+  delete(path) {
+    if (this.files[path]) {
+      delete this.files[path];
+    }
+  }
+
   glob(glob) {
     return Object.keys(this.files).filter((path) => minimatch(path, glob, {dot: true}));
   }
@@ -41,6 +49,13 @@ module.exports = class FileTree {
     );
   }
 
+  move(from, to) {
+    if (this.files[from]) {
+      this.files[to] = this.files[from];
+      this.delete(from);
+    }
+  }
+
   pipe(path, stream) {
     this.files[path] = this.files[path] ? this.files[path].pipe(stream) : undefined;
   }

packages/core/package.json

@@ -26,8 +26,10 @@
   "dependencies": {
     "debug": "4.3.1",
     "glob": "^10.3.10",
+    "js-yaml": "4.1.0",
     "jsonparse": "^1.3.1",
     "lodash.get": "^4.4.2",
+    "minimatch": "^5.0.1",
     "set-value": "^4.1.0",
     "source-map-support": "0.5.19",
     "supports-color": "9.2.1"

packages/core/src/server/index.js

@@ -1,7 +1,11 @@
 /* eslint-disable global-require */
 
+const {dump: dumpYml, load: loadYml} = require('js-yaml');
+
 module.exports = {
+  dumpYml,
   glob: require('glob').glob,
+  loadYml,
   ...require('../../build/stream'),
   ...require('./package-manager'),
   ...require('./process'),

packages/create-app/build/cli.js

@@ -1,19 +1,17 @@
 #!/usr/bin/env node
 
+const {stat} = require('fs/promises');
 const {join} = require('path');
 
+const {move} = require('@flecks/core/build/move');
 const {
   build,
   install,
-  transform,
-} = require('@flecks/core/server');
+  YamlStream,
+} = require('@flecks/core/src/server');
 const {program} = require('commander');
-const {dump: dumpYml, load: loadYml} = require('js-yaml');
 const validate = require('validate-npm-package-name');
 
-// const build = require('./build');
-const {move, testDestination} = require('./move');
-
 const {
   FLECKS_CORE_ROOT = process.cwd(),
 } = process.env;
@@ -32,22 +30,23 @@ const {
       }
       const destination = join(FLECKS_CORE_ROOT, app);
       const name = app.startsWith('@') ? app : `@${app}/monorepo`;
-      if (!await testDestination(destination)) {
+      try {
+        await stat(destination);
         const error = new Error(
           `@flecks/create-app: destination '${destination} already exists: aborting`,
         );
         error.code = 129;
         throw error;
       }
+      // eslint-disable-next-line no-empty
+      catch (error) {}
       const fileTree = await move(name, join(__dirname, '..', 'template'));
       fileTree.pipe(
         'build/flecks.yml',
-        transform((chunk, encoding, done, stream) => {
-          const yml = loadYml(chunk);
-          yml['@flecks/core'].id = app;
-          stream.push(dumpYml(yml, {forceQuotes: true, sortKeys: true}));
-          done();
-        }),
+        new YamlStream(
+          (yml) => ({...yml, '@flecks/core': {id: app}}),
+          {dump: {forceQuotes: true, sortKeys: true}},
+        ),
       );
       // Write the tree.
       await fileTree.writeTo(destination);

packages/create-app/build/move.js

@@ -1,39 +0,0 @@
-const {stat} = require('fs/promises');
-const {basename, dirname, join} = require('path');
-
-const {transform} = require('@flecks/core/server');
-
-const FileTree = require('./tree');
-
-exports.testDestination = async (destination) => {
-  try {
-    await stat(destination);
-    return false;
-  }
-  catch (error) {
-    if ('ENOENT' !== error.code) {
-      throw error;
-    }
-    return true;
-  }
-};
-
-exports.move = async (name, source) => {
-  const fileTree = await FileTree.loadFrom(source);
-  // Renamed to avoid conflicts.
-  const {files} = fileTree;
-  fileTree.glob('**/*.noconflict')
-    .forEach((path) => {
-      files[join(dirname(path), basename(path, '.noconflict'))] = files[path];
-      delete files[path];
-    });
-  // Add project name to `package.json`.
-  fileTree.pipe(
-    'package.json',
-    transform((chunk, encoding, done, stream) => {
-      stream.push(JSON.stringify({name, ...JSON.parse(chunk)}));
-      done();
-    }),
-  );
-  return fileTree;
-};

packages/create-app/package.json

@@ -22,14 +22,13 @@
     "create-app": "./build/cli.js"
   },
   "files": [
+    "npm-shrinkwrap.json",
     "server.js",
     "template"
   ],
   "dependencies": {
     "@flecks/core": "^4.0.2",
     "commander": "11.1.0",
-    "js-yaml": "4.1.0",
-    "minimatch": "^5.0.1",
     "validate-npm-package-name": "^3.0.0"
   },
   "devDependencies": {

packages/create-app/src/server.js

@@ -1 +1,5 @@
-export {default as validate} from 'validate-npm-package-name';
+/* eslint-disable global-require */
+
+module.exports = {
+  validate: require('validate-npm-package-name'),
+};

packages/create-app/template/build/flecks.yml

@@ -1,3 +1 @@
-'@flecks/build': {}
-'@flecks/core': {}
 '@flecks/server': {}

packages/create-app/template/package.json.noconflict

@@ -11,12 +11,11 @@
     "start": "DEBUG=@flecks/*,-*:silly npm run dev"
   },
   "dependencies": {
-    "@flecks/core": "^3.0.0",
-    "@flecks/server": "^3.0.0"
+    "@flecks/server": "^4.0.0"
   },
   "devDependencies": {
-    "@flecks/build": "^3.0.0",
-    "@flecks/create-fleck": "^3.0.0",
+    "@flecks/build": "^4.0.0",
+    "@flecks/create-fleck": "^4.0.0",
     "patch-package": "^8.0.0"
   }
 }

packages/create-fleck/build/cli.js

@@ -1,115 +1,97 @@
 #!/usr/bin/env node
+/* eslint-disable camelcase */
 
-const {stat} = require('fs/promises');
-const {join} = require('path');
+const {
+  basename,
+  dirname,
+  join,
+  relative,
+  sep,
+} = require('path');
 
-const addPathsToYml = require('@flecks/build/build/add-paths-to-yml');
+const addPathsToYml = require('@flecks/core/build/add-paths-to-yml');
 const {program} = require('commander');
+const {move} = require('@flecks/core/build/move');
 const {
   build,
   install,
-  transform,
-} = require('@flecks/core/server');
-const {move, testDestination} = require('@flecks/create-app/build/move');
-const {validate} = require('@flecks/create-app/src/server');
+  JsonStream,
+} = require('@flecks/core/src/server');
 
 const {
   FLECKS_CORE_ROOT = process.cwd(),
 } = process.env;
 
-const checkIsMonorepo = async () => {
-  try {
-    await stat(join(FLECKS_CORE_ROOT, 'packages'));
-    return true;
-  }
-  catch (error) {
-    if ('ENOENT' !== error.code) {
-      throw error;
-    }
-    return false;
-  }
-};
-
-const monorepoScope = async () => {
-  try {
-    const {name} = require(join(FLECKS_CORE_ROOT, 'package.json'));
-    const [scope] = name.split('/');
-    return scope;
-  }
-  catch (error) {
-    if ('MODULE_NOT_FOUND' !== error.code) {
-      throw error;
-    }
-    return undefined;
-  }
-};
-
-const target = async (fleck) => {
-  const {errors} = validate(fleck);
-  if (errors) {
-    throw new Error(`@flecks/create-fleck: invalid fleck name: ${errors.join(', ')}`);
-  }
-  const parts = fleck.split('/');
-  let pkg;
-  let scope;
-  if (1 === parts.length) {
-    pkg = fleck;
-    if (await checkIsMonorepo()) {
-      scope = await monorepoScope();
-    }
-    return [scope, pkg];
-  }
-  return parts;
-};
+const {
+  npm_config_local_prefix,
+  npm_config_scope,
+  npm_package_json,
+} = process.env;
 
 (async () => {
-  program.argument('<fleck>', 'name of the fleck to create');
+  program.argument('[path]', "the path of the fleck (e.g.: 'packages/foobar')");
   program.option('--no-add', 'do not add an entry to `build/flecks.yml`');
-  program.option('--no-alias', 'do not alias the fleck in `build/flecks.yml`');
-  program.addOption(
-    program.createOption('-pm,--package-manager <binary>', 'package manager binary')
-      .choices(['npm', 'bun', 'pnpm', 'yarn']),
-  );
-  program.action(async (fleck, {alias, add, packageManager}) => {
+  program.option('--no-inherit-version', 'do not inherit root package version');
+  program.option('--alias', 'alias the fleck in `build/flecks.yml`');
+  program.option('--dry-run', 'just say what would be done without actually doing it');
+  program.action(async (
+    path,
+    {
+      alias,
+      add,
+      inheritVersion,
+      packageManager,
+    },
+  ) => {
     try {
-      const isMonorepo = await checkIsMonorepo();
-      const [scope, pkg] = await target(fleck);
-      const name = [scope, pkg].filter((e) => !!e).join('/');
-      const destination = join(
-        join(...[FLECKS_CORE_ROOT].concat(isMonorepo ? ['packages'] : [])),
-        pkg,
-      );
-      if (!await testDestination(destination)) {
-        const error = new Error(
-          `@flecks/create-fleck: destination '${destination} already exists: aborting`,
-        );
-        error.code = 129;
-        throw error;
+      if (!npm_config_local_prefix && !path) {
+        throw new Error('name required');
       }
+      const root = npm_config_local_prefix || FLECKS_CORE_ROOT;
+      let rootJson;
+      try {
+        rootJson = require(join(root, 'package.json'));
+      }
+      // eslint-disable-next-line no-empty
+      catch (error) {}
+      let scope;
+      if (npm_config_scope) {
+        scope = npm_config_scope;
+      }
+      else if (rootJson?.name) {
+        const inferredScope = rootJson.name.split('/')[0] || '';
+        if (inferredScope.startsWith('@')) {
+          scope = inferredScope;
+        }
+      }
+      const local = basename(path || root);
+      const name = scope ? `${scope}/${local}` : local;
       const fileTree = await move(name, join(__dirname, '..', 'template'));
-      if (isMonorepo) {
-        const {version} = require(join(FLECKS_CORE_ROOT, 'package.json'));
+      if (inheritVersion && rootJson?.version) {
         // Inherit version from monorepo root.
-        fileTree.pipe(
-          'package.json',
-          transform((chunk, encoding, done, stream) => {
-            stream.push(JSON.stringify({...JSON.parse(chunk), version}));
-            done();
-          }),
-        );
+        const {version} = rootJson;
+        fileTree.pipe('package.json', new JsonStream((json) => ({...json, version})));
       }
       // Write the tree.
+      const destination = path ? join(root, path) : dirname(npm_package_json);
       await fileTree.writeTo(destination);
       // Install and build.
       await install({cwd: destination, packageManager});
       await build({cwd: destination, packageManager});
-      if (isMonorepo && add) {
-        await addPathsToYml([[name].concat(alias ? `./packages/${pkg}` : []).join(':')]);
+      if (add) {
+        const maybeAliasedPath = [name]
+          .concat(alias ? `.${sep}${relative(root, destination)}` : [])
+          .join(':');
+        try {
+          await addPathsToYml([maybeAliasedPath], root);
+        }
+        // eslint-disable-next-line no-empty
+        catch (error) {}
       }
     }
     catch (error) {
       // eslint-disable-next-line no-console
-      console.error('Creation failed:', error);
+      console.error('creation failed:', error);
     }
   });
   await program.parseAsync(process.argv);

packages/create-fleck/package.json

@@ -22,15 +22,15 @@
     "create-fleck": "./build/cli.js"
   },
   "files": [
+    "npm-shrinkwrap.json",
     "template"
   ],
   "dependencies": {
-    "@flecks/build": "^4.0.2",
     "@flecks/core": "^4.0.2",
-    "@flecks/create-app": "^4.0.2",
     "commander": "11.1.0"
   },
   "devDependencies": {
+    "@flecks/build": "^4.0.2",
     "@flecks/fleck": "^4.0.2"
   }
 }

packages/create-fleck/template/package.json.noconflict

@@ -11,10 +11,10 @@
     "index.js"
   ],
   "dependencies": {
-    "@flecks/core": "^3.0.0"
+    "@flecks/core": "^4.0.0"
   },
   "devDependencies": {
-    "@flecks/build": "^3.0.0",
-    "@flecks/fleck": "^3.0.0"
+    "@flecks/build": "^4.0.0",
+    "@flecks/fleck": "^4.0.0"
   }
 }

packages/docker/build/plugin.js

@@ -1,4 +1,4 @@
-const {dumpYml} = require('@flecks/build/src/server');
+const {dumpYml} = require('@flecks/core/src/server');
 
 const {generateComposeConfig, generateDockerFile} = require('./generate');
 

packages/server/build/flecks.bootstrap.js

@@ -1,5 +1,7 @@
 const {banner} = require('@flecks/build/src/server');
 
+exports.dependencies = ['@flecks/build'];
+
 exports.hooks = {
   '@flecks/build.config.alter': ({server}, env, argv, flecks) => {
     if (server) {

packages/web/src/server/config.js

@@ -1,3 +1,4 @@
+import {Buffer} from 'buffer';
 import {Transform} from 'stream';
 
 const {
@@ -14,26 +15,42 @@ class InlineConfig extends Transform {
 
   constructor(flecks, req) {
     super();
+    this.buffers = [];
     this.flecks = flecks;
     this.req = req;
   }
 
   // eslint-disable-next-line no-underscore-dangle
-  async _transform(chunk, encoding, done) {
-    const string = chunk.toString('utf8');
+  async _flush(done) {
+    const string = Buffer.concat(this.buffers).toString();
     const {appMountId} = this.flecks.get('@flecks/web');
-    const rendered = string.replaceAll(
-      '<body>',
-      [
+    const hideAttributes = 'production' === NODE_ENV ? 'data-flecks="ignore"' : '';
+    this.push(
+      string.replaceAll(
         '<body>',
-        `<div id="${appMountId}-container">`,
-        `<script${'production' === NODE_ENV ? 'data-flecks="ignore"' : ''}>window.document.querySelector('#${appMountId}-container').style.display = 'none'</script>`,
-        `<script data-flecks="ignore">${await configSource(this.flecks, this.req)}</script>`,
-        `<div id="${appMountId}"></div>`,
-        '</div>',
-      ].join(''),
+        /* eslint-disable indent */
+        [
+          '<body>',
+            `<div id="${appMountId}-container">`,
+              `<script${hideAttributes}>`,
+                `window.document.querySelector('#${appMountId}-container').style.display = 'none'`,
+              '</script>',
+              '<script data-flecks="ignore">',
+                await configSource(this.flecks, this.req),
+              '</script>',
+              `<div id="${appMountId}"></div>`,
+            '</div>',
+        ].join(''),
+        /* eslint-enable indent */
+      ),
     );
-    this.push(rendered);
+    this.buffers = [];
+    done();
+  }
+
+  // eslint-disable-next-line no-underscore-dangle
+  _transform(chunk, encoding, done) {
+    this.buffers.push(chunk);
     done();
   }