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