89 lines
2.0 KiB
Markdown
89 lines
2.0 KiB
Markdown
|
# 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.
|
||
|
|
|