Dia antes primera install

node_modules/unpack-string/.npmignore

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+node_modules/
+_private/
+npm-debug*

node_modules/unpack-string/.travis.yml

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+language: node_js
+node_js:
+  - "6"

node_modules/unpack-string/README.md

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+# unpack-string
+
+[![Build Status](https://api.travis-ci.org/DiegoZoracKy/unpack-string.svg)](https://travis-ci.org/DiegoZoracKy/unpack-string)
+
+Unpacks the content found within a text, delimited by an opening char and a closing char, e.g., *'Can extract (**only the content found here within these parentheses**)'*
+
+**Node.js** and **Browser** ready.
+
+## Installation
+
+```bash
+npm install unpack-string
+```
+
+## Usage
+
+It will extract the content found within the *opening char* and the *closing char* defined as parameters. If the parameter **openingChar** is not passed in, it will try to guess the first occurrence of some of these known chars `'([{<'`, and, when the parameter **closingChar** is not passed in, it will try to guess some of these chars `')]}>'`, to match the **openingChar**.
+
+## Examples
+
+```javascript
+const unpackString = require('unpack-string');
+
+const str = 'Can extract (only the content [found {here} within] these parentheses)!!';
+
+{
+	const result = unpackString(str);
+
+	// Guessing openingChar and closingChar. "()" in that case.
+	// result === 'only the content [found {here} within] these parentheses'
+}
+
+{
+	const openingChar = '[';
+	const result = unpackString(str, openingChar);
+
+	// Guessing closingChar: "]"
+	// result === 'found {here} within'
+}
+
+{
+	const openingChar = '{';
+	const closingChar = ']';
+	const result = unpackString(str, openingChar, closingChar);
+
+	// Defining any openingChar and closingChar
+	// result === 'here} within'
+}
+```

node_modules/unpack-string/lib/unpack-string.js

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+'use strict';
+
+/**
+ * Unpacks the content found within a text, delimited by an opening char and a closing char, e.g., "Can extract (only the content found here within these parentheses)"
+ * @param  {String} str         Input String
+ * @param  {String} openingChar Opening char e.g. "(", "[", "{". If nothing is passed in it will try to guess some known opening chars: '([{<'
+ * @param  {String} closingChar Closing char e.g. ")", "]", "}". If nothing is passed in it will try to guess some known closing chars: ')]}>'
+ * @return {String}             The content found within the opening char and the closing char
+ */
+function unpackString(str, openingChar, closingChar) {
+
+	let knownOpeningChars = '([{<';
+	let knownClosingChars = ')]}>';
+
+	let indexStart;
+	let indexEnd;
+	let skip = 0;
+
+	for (let i = 0; i < str.length; i++) {
+		const char = str[i];
+
+		if (!openingChar) {
+			if (knownOpeningChars.indexOf(char) < 0) {
+				continue;
+			}
+
+			openingChar = char;
+		}
+
+		closingChar = closingChar || knownClosingChars[knownOpeningChars.indexOf(openingChar)];
+
+		let matchOpeningChar = char === openingChar;
+		let matchClosingChar = char === closingChar;
+
+		if (typeof(indexStart) === 'undefined' && matchOpeningChar) {
+			indexStart = i;
+			continue;
+		}
+
+		if (matchOpeningChar) {
+			skip += 1;
+			continue;
+		}
+
+		if (skip && matchClosingChar) {
+			skip -= 1;
+			continue;
+		}
+
+		if (matchClosingChar) {
+			indexEnd = i;
+			break;
+		}
+	}
+
+	return str.substring(indexStart + 1, indexEnd);
+}
+
+if (typeof module !== 'undefined' && module.exports) {
+    module.exports = unpackString;
+}

node_modules/unpack-string/package.json

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+{
+  "name": "unpack-string",
+  "version": "0.0.2",
+  "description": "Unpacks the content found within a text, delimited by an opening char and a closing char, e.g., 'Can extract (only the content found here within these parentheses)'",
+  "main": "lib/unpack-string.js",
+  "author": {
+    "name": "Diego ZoracKy",
+    "email": "diego.zoracky@gmail.com",
+    "url": "https://github.com/DiegoZoracKy/"
+  },
+  "scripts": {
+    "test": "mocha ./test/main.test.js"
+  },
+  "keywords": [
+    "unpack",
+    "string",
+    "brackets",
+    "parentheses"
+  ],
+  "license": "MIT",
+  "devDependencies": {
+    "chai": "^4.0.0",
+    "mocha": "^3.4.2"
+  }
+}

node_modules/unpack-string/test/main.test.js

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+'use strict';
+
+const unpackString = require(`../`);
+const assert = require(`assert`);
+
+describe(`unpack-string`, function() {
+
+	const input = 'Can extract (only the content [found {here} within] these parentheses)!!';
+
+	it(`Must get the content found within "()" by guessing the opening char and the closing char`, function() {
+		const expected = 'only the content [found {here} within] these parentheses';
+		const result = unpackString(input);
+		assert.equal(result, expected);
+	});
+
+	it(`Must get the content found within "[]", defining the opening char parameter and letting it guess the closing char`, function() {
+		const expected = 'found {here} within';
+		const result = unpackString(input, '[');
+		assert.equal(result, expected);
+	});
+
+	it(`Must get the content found within "{}", defining the opening char and the closing char parameters`, function() {
+		const expected = 'here';
+		const result = unpackString(input, '{', '}');
+		assert.equal(result, expected);
+	});
+
+	it(`Must get the content found within "[}", defining the opening char and the closing char parameters`, function() {
+		const expected = 'found {here';
+		const result = unpackString(input, '[', '}');
+		assert.equal(result, expected);
+	});
+
+	it(`Must get the content found within "})", defining the opening char and the closing char parameters`, function() {
+		const expected = ' within] these parentheses';
+		const result = unpackString(input, '}', ')');
+		assert.equal(result, expected);
+	});
+});