working now

.eslintrc

@@ -0,0 +1,20 @@
+{
+    "extends": "eslint:recommended",
+    "env": {
+        "node": true
+    },
+    "parserOptions": {
+        "ecmaVersion": 6,
+        "sourceType": "module",
+        "ecmaFeatures": {
+        }
+    },
+    "rules": {
+        "semi": 2
+    },
+    "globals": {
+        "Promise": 1,
+        "panto": 1,
+        "Map": 1
+    }
+}

.gitignore

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+*DS_Store
+._*
+*.swp
+*.pyc
+node-debug.log
+npm-debug.log
+node_modules
+bower_components
+.svn
+test/**/out

.travis.yml

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+language: node_js
+before_install:
+  - npm install -g eslint
+sudo: false
+node_js:
+  - stable
+after_script:
+  - npm install -g istanbul
+  - npm run coveralls

README.md

@@ -1,2 +1,20 @@
 # load-panto-transformers
-Automatically load panto transformers
+[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Dependency status][david-dm-image]][david-dm-url] [![Dev Dependency status][david-dm-dev-image]][david-dm-dev-url] [![Coverage Status][coveralls-image]][coveralls-url]
+
+Automatically load panto transformers, inspired by [load-grunt-tasks](https://www.npmjs.com/package/load-grunt-tasks).
+
+```js
+require('load-panto-transformers')(panto);
+``
+
+[npm-url]: https://npmjs.org/package/load-panto-transformers
+[downloads-image]: http://img.shields.io/npm/dm/load-panto-transformers.svg
+[npm-image]: http://img.shields.io/npm/v/load-panto-transformers.svg
+[travis-url]: https://travis-ci.org/pantojs/load-panto-transformers
+[travis-image]: http://img.shields.io/travis/pantojs/load-panto-transformers.svg
+[david-dm-url]:https://david-dm.org/pantojs/load-panto-transformers
+[david-dm-image]:https://david-dm.org/pantojs/load-panto-transformers.svg
+[david-dm-dev-url]:https://david-dm.org/pantojs/load-panto-transformers#info=devDependencies
+[david-dm-dev-image]:https://david-dm.org/pantojs/load-panto-transformers/dev-status.svg
+[coveralls-image]:https://coveralls.io/repos/github/pantojs/load-panto-transformers/badge.svg?branch=master
+[coveralls-url]:https://coveralls.io/github/pantojs/load-panto-transformers?branch=master

index.js

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+/**
+ * Copyright (C) 2016 pantojs.xyz
+ * index.js
+ *
+ * changelog
+ * 2016-07-31[22:42:28]:revised
+ *
+ * @author yanni4night@gmail.com
+ * @version 0.1.0
+ * @since 0.1.0
+ */
+
+'use strict';
+const path = require('path');
+const pkgUp = require('pkg-up');
+const multimatch = require('multimatch');
+const camelCase = require('lodash/camelCase');
+const arrify = require('arrify');
+
+module.exports = (panto, opts) => {
+    opts = opts || {};
+
+    const pattern = arrify(opts.pattern || ['panto-transformer-*']);
+    let config = opts.config || pkgUp.sync();
+    const scope = arrify(opts.scope || ['dependencies', 'devDependencies', 'peerDependencies',
+        'optionalDependencies'
+    ]);
+
+    if (typeof config === 'string') {
+        config = require(path.resolve(config));
+    }
+
+    const names = scope.reduce((result, prop) => {
+        const deps = config[prop] || [];
+        return result.concat(Array.isArray(deps) ? deps : Object.keys(deps));
+    }, []);
+
+    multimatch(names, pattern).forEach(pkgName => {
+        panto.loadTransformer(camelCase(pkgName.replace('panto-transformer-', '')), require(pkgName));
+    });
+};

package.json

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+{
+  "name": "load-panto-transformers",
+  "version": "0.1.0",
+  "description": "Automatically load panto transformers",
+  "main": "index.js",
+  "scripts": {
+    "test": "eslint index.js && ./node_modules/.bin/mocha",
+    "coveralls": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
+  },
+  "pre-commit": "test",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/pantojs/load-panto-transformers.git"
+  },
+  "engines": {
+    "node": ">=6.0.0"
+  },
+  "keywords": [
+    "panto",
+    "load",
+    "transformer"
+  ],
+  "author": "yanni4night@gmail.com",
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/pantojs/load-panto-transformers/issues"
+  },
+  "homepage": "https://github.com/pantojs/load-panto-transformers#readme",
+  "dependencies": {
+    "arrify": "^1.0.1",
+    "lodash": "^4.14.1",
+    "multimatch": "^2.1.0",
+    "pkg-up": "^1.0.0"
+  },
+  "devDependencies": {
+    "coveralls": "^2.11.12",
+    "mocha": "^2.5.3",
+    "mocha-lcov-reporter": "^1.2.0",
+    "panto": "0.0.30",
+    "panto-transformer-css-sprites": "0.0.4",
+    "panto-transformer-filter": "^0.1.4",
+    "pre-commit": "^1.1.3"
+  }
+}

test/test.js

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+/**
+ * Copyright (C) 2016 pantojs.xyz
+ * test.js
+ *
+ * changelog
+ * 2016-07-31[22:57:35]:revised
+ *
+ * @author yanni4night@gmail.com
+ * @version 0.1.0
+ * @since 0.1.0
+ */
+'use strict';
+const assert = require('assert');
+const load = require('../');
+const panto = require('panto');
+
+describe('load-panto-transformer', () => {
+    describe('#load', () => {
+        it('should load filter', () => {
+            load(panto);
+            const s = panto.$('*.js');
+            assert.ok(s.filter, 'has filter');
+            assert.ok(s.cssSprites, 'has cssSprites');
+        });
+    });
+});