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- # reduce-function-call [](https://travis-ci.org/MoOx/reduce-function-call)
- > Reduce function calls in a string, using a callback
- ---
- [Professionally supported reduce-function-call is now available](https://tidelift.com/subscription/pkg/npm-reduce-function-call?utm_source=npm-reduce-function-call&utm_medium=referral&utm_campaign=readme)
- ---
- ## Installation
- ```console
- 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.
- ```console
- git clone https://github.com/MoOx/reduce-function-call.git
- git checkout -b patch-1
- npm install
- npm test
- ```
- ---
- ## [Changelog](CHANGELOG.md)
- ## [License](LICENSE)
- ---
- ## Security contact information
- To report a security vulnerability, please use the
- [Tidelift security contact](https://tidelift.com/security). Tidelift will
- coordinate the fix and disclosure.
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