replace jest with ava

node_modules/code-excerpt/readme.md

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+# code-excerpt [![Build Status](https://travis-ci.org/vadimdemedes/code-excerpt.svg?branch=master)](https://travis-ci.org/vadimdemedes/code-excerpt)
+
+> Extract code excerpts
+
+
+## Install
+
+```
+$ npm install --save code-excerpt
+```
+
+
+## Usage
+
+```js
+const codeExcerpt = require('code-excerpt');
+
+const source = `
+'use strict';
+
+function someFunc() {}
+
+module.exports = () => {
+	const a = 1;
+	const b = 2;
+	const c = 3;
+
+	someFunc();
+};
+`.trim();
+
+const excerpt = codeExcerpt(source, 5);
+//=> [
+//	{line: 2, value: ''},
+//	{line: 3, value: 'function someFunc() {}'},
+//	{line: 4, value: ''},
+//	{line: 5, value: 'module.exports = () => {'},
+//	{line: 6, value: '  const a = 1;'},
+//	{line: 7, value: '  const b = 2;'},
+//	{line: 8, value: '  const c = 3;'}
+// ]
+```
+
+
+## API
+
+### codeExcerpt(source, line, [options])
+
+#### source
+
+Type: `string`
+
+Source code.
+
+#### line
+
+Type: `number`
+
+Line number to extract excerpt for.
+
+#### options
+
+##### around
+
+Type: `number`<br>
+Default: `3`
+
+Number of surrounding lines to extract.
+
+
+## License
+
+MIT © [Vadim Demedes](https://github.com/vadimdemedes)