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+# reduce-function-call [![Build Status](https://travis-ci.org/MoOx/reduce-function-call.png)](https://travis-ci.org/MoOx/reduce-function-call)
+
+> Reduce function calls in a string, using a callback
+
+## Installation
+
+```bash
+npm install reduce-function-call
+```
+
+## Usage
+
+```js
+var reduceFunctionCall = require("reduce-function-call")
+
+reduceFunctionCall("foo(1)", "foo", function(body) {
+  // body === "1"
+  return parseInt(body, 10) + 1
+})
+// "2"
+
+var nothingOrUpper = function(body, functionIdentifier) {
+  // ignore empty value
+  if (body === "") {
+    return functionIdentifier + "()"
+  }
+
+  return body.toUpperCase()
+}
+
+reduceFunctionCall("bar()", "bar", nothingOrUpper)
+// "bar()"
+
+reduceFunctionCall("upper(baz)", "upper", nothingOrUpper)
+// "BAZ"
+
+reduceFunctionCall("math(math(2 + 2) * 4 + math(2 + 2)) and other things", "math", function(body, functionIdentifier, call) {
+  try {
+    return eval(body)
+  }
+  catch (e) {
+    return call
+  }
+})
+// "20 and other things"
+
+reduceFunctionCall("sha bla blah() blaa bla() abla() aabla() blaaa()", /\b([a-z]?bla[a-z]?)\(/, function(body, functionIdentifier) {
+  if (functionIdentifier === "bla") {
+    return "ABRACADABRA"
+  }
+  return functionIdentifier.replace("bla", "!")
+}
+// "sha bla !h blaa ABRACADABRA a! aabla() blaaa()"
+```
+
+See [unit tests](test/index.js) for others examples.
+
+## Contributing
+
+Work on a branch, install dev-dependencies, respect coding style & run tests before submitting a bug fix or a feature.
+
+```bash
+git clone https://github.com/MoOx/reduce-function-call.git
+git checkout -b patch-1
+npm install
+npm test
+```
+
+## [Changelog](CHANGELOG.md)
+
+## [License](LICENSE-MIT)