diff --git a/.gitignore b/.gitignore
index 67835df..cb17d0a 100755
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 coverage
-dist
 node_modules
 *.log
 .*
diff --git a/dist/bin/create-index.js b/dist/bin/create-index.js
new file mode 100644
index 0000000..d30013a
--- /dev/null
+++ b/dist/bin/create-index.js
@@ -0,0 +1,70 @@
+#!/usr/bin/env node
+
+/* eslint-disable filenames/match-regex */
+"use strict";
+
+var _yargs = _interopRequireDefault(require("yargs"));
+
+var _utilities = require("../utilities");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const argv = _yargs.default.demand(1).options({
+  recursive: {
+    alias: 'r',
+    default: false,
+    description: 'Create/update index files recursively. Halts on any unsafe "index.js" files.',
+    type: 'boolean'
+  }
+}).options({
+  ignoreUnsafe: {
+    alias: 'i',
+    default: false,
+    description: 'Ignores unsafe "index.js" files instead of halting.',
+    type: 'boolean'
+  }
+}).options({
+  ignoreDirectories: {
+    alias: 'd',
+    default: false,
+    description: 'Ignores importing directories into the index file, even if they have a safe "index.js".',
+    type: 'boolean'
+  }
+}).options({
+  update: {
+    alias: 'u',
+    default: false,
+    description: 'Updates only previously created index files (recursively).',
+    type: 'boolean'
+  }
+}).options({
+  banner: {
+    description: 'Add a custom banner at the top of the index file',
+    type: 'string'
+  }
+}).options({
+  extensions: {
+    alias: 'x',
+    default: ['js'],
+    description: 'Allows some extensions to be parsed as valid source. First extension will always be preferred to homonyms with another allowed extension.',
+    type: 'array'
+  }
+}).options({
+  outputFile: {
+    alias: 'o',
+    default: 'index.js',
+    description: 'Output file',
+    type: 'string'
+  }
+}).example('create-index ./src ./src/utilities', 'Creates or updates an existing create-index index file in the target (./src, ./src/utilities) directories.').example('create-index --update ./src ./tests', 'Finds all create-index index files in the target directories and descending directories. Updates found index files.').example('create-index ./src --extensions js jsx', 'Creates or updates an existing create-index index file in the target (./src) directory for both .js and .jsx extensions.').argv;
+
+(0, _utilities.writeIndexCli)(argv._, {
+  banner: argv.banner,
+  extensions: argv.extensions,
+  ignoreDirectories: argv.ignoreDirectories,
+  ignoreUnsafe: argv.ignoreUnsafe,
+  outputFile: argv.outputFile,
+  recursive: argv.recursive,
+  updateIndex: argv.update
+});
+//# sourceMappingURL=create-index.js.map
\ No newline at end of file
diff --git a/dist/bin/create-index.js.map b/dist/bin/create-index.js.map
new file mode 100644
index 0000000..f6ec939
--- /dev/null
+++ b/dist/bin/create-index.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/bin/create-index.js"],"names":["argv","yargs","demand","options","recursive","alias","default","description","type","ignoreUnsafe","ignoreDirectories","update","banner","extensions","outputFile","example","_","updateIndex"],"mappings":"AAAA;;AAEA;;;AAEA;;AACA;;;;AAIA,MAAMA,IAAI,GAAGC,eACVC,MADU,CACH,CADG,EAEVC,OAFU,CAEF;AACPC,EAAAA,SAAS,EAAE;AACTC,IAAAA,KAAK,EAAE,GADE;AAETC,IAAAA,OAAO,EAAE,KAFA;AAGTC,IAAAA,WAAW,EAAE,8EAHJ;AAITC,IAAAA,IAAI,EAAE;AAJG;AADJ,CAFE,EAUVL,OAVU,CAUF;AACPM,EAAAA,YAAY,EAAE;AACZJ,IAAAA,KAAK,EAAE,GADK;AAEZC,IAAAA,OAAO,EAAE,KAFG;AAGZC,IAAAA,WAAW,EAAE,qDAHD;AAIZC,IAAAA,IAAI,EAAE;AAJM;AADP,CAVE,EAkBVL,OAlBU,CAkBF;AACPO,EAAAA,iBAAiB,EAAE;AACjBL,IAAAA,KAAK,EAAE,GADU;AAEjBC,IAAAA,OAAO,EAAE,KAFQ;AAGjBC,IAAAA,WAAW,EAAE,yFAHI;AAIjBC,IAAAA,IAAI,EAAE;AAJW;AADZ,CAlBE,EA0BVL,OA1BU,CA0BF;AACPQ,EAAAA,MAAM,EAAE;AACNN,IAAAA,KAAK,EAAE,GADD;AAENC,IAAAA,OAAO,EAAE,KAFH;AAGNC,IAAAA,WAAW,EAAE,4DAHP;AAINC,IAAAA,IAAI,EAAE;AAJA;AADD,CA1BE,EAkCVL,OAlCU,CAkCF;AACPS,EAAAA,MAAM,EAAE;AACNL,IAAAA,WAAW,EAAE,kDADP;AAENC,IAAAA,IAAI,EAAE;AAFA;AADD,CAlCE,EAwCVL,OAxCU,CAwCF;AACPU,EAAAA,UAAU,EAAE;AACVR,IAAAA,KAAK,EAAE,GADG;AAEVC,IAAAA,OAAO,EAAE,CAAC,IAAD,CAFC;AAGVC,IAAAA,WAAW,EAAE,2IAHH;AAIVC,IAAAA,IAAI,EAAE;AAJI;AADL,CAxCE,EAgDVL,OAhDU,CAgDF;AACPW,EAAAA,UAAU,EAAE;AACVT,IAAAA,KAAK,EAAE,GADG;AAEVC,IAAAA,OAAO,EAAE,UAFC;AAGVC,IAAAA,WAAW,EAAE,aAHH;AAIVC,IAAAA,IAAI,EAAE;AAJI;AADL,CAhDE,EAwDVO,OAxDU,CAyDT,oCAzDS,EA0DT,4GA1DS,EA4DVA,OA5DU,CA6DT,qCA7DS,EA8DT,qHA9DS,EAgEVA,OAhEU,CAiET,wCAjES,EAkET,0HAlES,EAoEVf,IApEH;;AAsEA,8BAAcA,IAAI,CAACgB,CAAnB,EAAsB;AACpBJ,EAAAA,MAAM,EAAEZ,IAAI,CAACY,MADO;AAEpBC,EAAAA,UAAU,EAAEb,IAAI,CAACa,UAFG;AAGpBH,EAAAA,iBAAiB,EAAEV,IAAI,CAACU,iBAHJ;AAIpBD,EAAAA,YAAY,EAAET,IAAI,CAACS,YAJC;AAKpBK,EAAAA,UAAU,EAAEd,IAAI,CAACc,UALG;AAMpBV,EAAAA,SAAS,EAAEJ,IAAI,CAACI,SANI;AAOpBa,EAAAA,WAAW,EAAEjB,IAAI,CAACW;AAPE,CAAtB","sourcesContent":["#!/usr/bin/env node\n\n/* eslint-disable filenames/match-regex */\n\nimport yargs from 'yargs';\nimport {\n  writeIndexCli,\n} from '../utilities';\n\nconst argv = yargs\n  .demand(1)\n  .options({\n    recursive: {\n      alias: 'r',\n      default: false,\n      description: 'Create/update index files recursively. Halts on any unsafe \"index.js\" files.',\n      type: 'boolean',\n    },\n  })\n  .options({\n    ignoreUnsafe: {\n      alias: 'i',\n      default: false,\n      description: 'Ignores unsafe \"index.js\" files instead of halting.',\n      type: 'boolean',\n    },\n  })\n  .options({\n    ignoreDirectories: {\n      alias: 'd',\n      default: false,\n      description: 'Ignores importing directories into the index file, even if they have a safe \"index.js\".',\n      type: 'boolean',\n    },\n  })\n  .options({\n    update: {\n      alias: 'u',\n      default: false,\n      description: 'Updates only previously created index files (recursively).',\n      type: 'boolean',\n    },\n  })\n  .options({\n    banner: {\n      description: 'Add a custom banner at the top of the index file',\n      type: 'string',\n    },\n  })\n  .options({\n    extensions: {\n      alias: 'x',\n      default: ['js'],\n      description: 'Allows some extensions to be parsed as valid source. First extension will always be preferred to homonyms with another allowed extension.',\n      type: 'array',\n    },\n  })\n  .options({\n    outputFile: {\n      alias: 'o',\n      default: 'index.js',\n      description: 'Output file',\n      type: 'string',\n    },\n  })\n  .example(\n    'create-index ./src ./src/utilities',\n    'Creates or updates an existing create-index index file in the target (./src, ./src/utilities) directories.',\n  )\n  .example(\n    'create-index --update ./src ./tests',\n    'Finds all create-index index files in the target directories and descending directories. Updates found index files.',\n  )\n  .example(\n    'create-index ./src --extensions js jsx',\n    'Creates or updates an existing create-index index file in the target (./src) directory for both .js and .jsx extensions.',\n  )\n  .argv;\n\nwriteIndexCli(argv._, {\n  banner: argv.banner,\n  extensions: argv.extensions,\n  ignoreDirectories: argv.ignoreDirectories,\n  ignoreUnsafe: argv.ignoreUnsafe,\n  outputFile: argv.outputFile,\n  recursive: argv.recursive,\n  updateIndex: argv.update,\n});\n"],"file":"create-index.js"}
\ No newline at end of file
diff --git a/dist/index.js b/dist/index.js
new file mode 100644
index 0000000..553a9d6
--- /dev/null
+++ b/dist/index.js
@@ -0,0 +1,20 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "findIndexFiles", {
+  enumerable: true,
+  get: function () {
+    return _utilities.findIndexFiles;
+  }
+});
+Object.defineProperty(exports, "writeIndex", {
+  enumerable: true,
+  get: function () {
+    return _utilities.writeIndex;
+  }
+});
+
+var _utilities = require("./utilities");
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/dist/index.js.map b/dist/index.js.map
new file mode 100644
index 0000000..290bdf2
--- /dev/null
+++ b/dist/index.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../src/index.js"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;AAAA","sourcesContent":["export {\n  findIndexFiles,\n  writeIndex,\n} from './utilities';\n"],"file":"index.js"}
\ No newline at end of file
diff --git a/dist/utilities/constants.js b/dist/utilities/constants.js
new file mode 100644
index 0000000..6c6249a
--- /dev/null
+++ b/dist/utilities/constants.js
@@ -0,0 +1,9 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CREATE_INDEX_PATTERN = void 0;
+const CREATE_INDEX_PATTERN = /(?:^|[\n\r]+)\/\/ @create-index\s?({.*})?[\n\r]+/;
+exports.CREATE_INDEX_PATTERN = CREATE_INDEX_PATTERN;
+//# sourceMappingURL=constants.js.map
\ No newline at end of file
diff --git a/dist/utilities/constants.js.map b/dist/utilities/constants.js.map
new file mode 100644
index 0000000..2ef54b9
--- /dev/null
+++ b/dist/utilities/constants.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/constants.js"],"names":["CREATE_INDEX_PATTERN"],"mappings":";;;;;;AAAO,MAAMA,oBAAoB,GAAG,kDAA7B","sourcesContent":["export const CREATE_INDEX_PATTERN = /(?:^|[\\n\\r]+)\\/\\/ @create-index\\s?({.*})?[\\n\\r]+/;\n"],"file":"constants.js"}
\ No newline at end of file
diff --git a/dist/utilities/createIndexCode.js b/dist/utilities/createIndexCode.js
new file mode 100644
index 0000000..575d117
--- /dev/null
+++ b/dist/utilities/createIndexCode.js
@@ -0,0 +1,62 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _lodash = _interopRequireDefault(require("lodash"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const safeVariableName = fileName => {
+  const indexOfDot = fileName.indexOf('.');
+
+  if (indexOfDot === -1) {
+    return fileName;
+  } else {
+    return fileName.slice(0, indexOfDot);
+  }
+};
+
+const buildExportBlock = files => {
+  let importBlock;
+  importBlock = _lodash.default.map(files, fileName => {
+    if (fileName.indexOf(".") == -1) return "export * as " + safeVariableName(fileName) + "  from './" + fileName + "';";
+    return "export { default as " + safeVariableName(fileName) + " } from './" + fileName + "';";
+  });
+  importBlock = importBlock.join('\n');
+  return importBlock;
+};
+
+var _default = function _default(filePaths) {
+  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  let code;
+  let configCode;
+  code = '';
+  configCode = '';
+
+  if (options.banner) {
+    const banners = _lodash.default.isArray(options.banner) ? options.banner : [options.banner];
+    banners.forEach(banner => {
+      code += banner + '\n';
+    });
+    code += '\n';
+  }
+
+  if (options.config && _lodash.default.size(options.config) > 0) {
+    configCode += ' ' + JSON.stringify(options.config);
+  }
+
+  code += '// @create-index' + configCode + '\n\n';
+
+  if (filePaths.length) {
+    const sortedFilePaths = filePaths.sort();
+    code += buildExportBlock(sortedFilePaths) + '\n\n';
+  }
+
+  return code;
+};
+
+exports.default = _default;
+//# sourceMappingURL=createIndexCode.js.map
\ No newline at end of file
diff --git a/dist/utilities/createIndexCode.js.map b/dist/utilities/createIndexCode.js.map
new file mode 100644
index 0000000..49778b6
--- /dev/null
+++ b/dist/utilities/createIndexCode.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/createIndexCode.js"],"names":["safeVariableName","fileName","indexOfDot","indexOf","slice","buildExportBlock","files","importBlock","_","map","join","filePaths","options","code","configCode","banner","banners","isArray","forEach","config","size","JSON","stringify","length","sortedFilePaths","sort"],"mappings":";;;;;;;AAAA;;;;AAEA,MAAMA,gBAAgB,GAAIC,QAAD,IAAc;AACrC,QAAMC,UAAU,GAAGD,QAAQ,CAACE,OAAT,CAAiB,GAAjB,CAAnB;;AAEA,MAAID,UAAU,KAAK,CAAC,CAApB,EAAuB;AACrB,WAAOD,QAAP;AACD,GAFD,MAEO;AACL,WAAOA,QAAQ,CAACG,KAAT,CAAe,CAAf,EAAkBF,UAAlB,CAAP;AACD;AACF,CARD;;AAUA,MAAMG,gBAAgB,GAAIC,KAAD,IAAW;AAClC,MAAIC,WAAJ;AAEAA,EAAAA,WAAW,GAAGC,gBAAEC,GAAF,CAAMH,KAAN,EAAcL,QAAD,IAAc;AACvC,QAAIA,QAAQ,CAACE,OAAT,CAAiB,GAAjB,KAAyB,CAAC,CAA9B,EACE,OACE,iBACAH,gBAAgB,CAACC,QAAD,CADhB,GAEA,YAFA,GAGAA,QAHA,GAIA,IALF;AAOF,WACE,yBACAD,gBAAgB,CAACC,QAAD,CADhB,GAEA,aAFA,GAGAA,QAHA,GAIA,IALF;AAOD,GAhBa,CAAd;AAkBAM,EAAAA,WAAW,GAAGA,WAAW,CAACG,IAAZ,CAAiB,IAAjB,CAAd;AAEA,SAAOH,WAAP;AACD,CAxBD;;eA0Be,kBAACI,SAAD,EAA6B;AAAA,MAAjBC,OAAiB,uEAAP,EAAO;AAC1C,MAAIC,IAAJ;AACA,MAAIC,UAAJ;AAEAD,EAAAA,IAAI,GAAG,EAAP;AACAC,EAAAA,UAAU,GAAG,EAAb;;AAEA,MAAIF,OAAO,CAACG,MAAZ,EAAoB;AAClB,UAAMC,OAAO,GAAGR,gBAAES,OAAF,CAAUL,OAAO,CAACG,MAAlB,IAA4BH,OAAO,CAACG,MAApC,GAA6C,CAACH,OAAO,CAACG,MAAT,CAA7D;AAEAC,IAAAA,OAAO,CAACE,OAAR,CAAiBH,MAAD,IAAY;AAC1BF,MAAAA,IAAI,IAAIE,MAAM,GAAG,IAAjB;AACD,KAFD;AAIAF,IAAAA,IAAI,IAAI,IAAR;AACD;;AAED,MAAID,OAAO,CAACO,MAAR,IAAkBX,gBAAEY,IAAF,CAAOR,OAAO,CAACO,MAAf,IAAyB,CAA/C,EAAkD;AAChDL,IAAAA,UAAU,IAAI,MAAMO,IAAI,CAACC,SAAL,CAAeV,OAAO,CAACO,MAAvB,CAApB;AACD;;AAEDN,EAAAA,IAAI,IAAI,qBAAqBC,UAArB,GAAkC,MAA1C;;AAEA,MAAIH,SAAS,CAACY,MAAd,EAAsB;AACpB,UAAMC,eAAe,GAAGb,SAAS,CAACc,IAAV,EAAxB;AAEAZ,IAAAA,IAAI,IAAIR,gBAAgB,CAACmB,eAAD,CAAhB,GAAoC,MAA5C;AACD;;AAED,SAAOX,IAAP;AACD,C","sourcesContent":["import _ from 'lodash';\n\nconst safeVariableName = (fileName) => {\n  const indexOfDot = fileName.indexOf('.');\n\n  if (indexOfDot === -1) {\n    return fileName;\n  } else {\n    return fileName.slice(0, indexOfDot);\n  }\n};\n\nconst buildExportBlock = (files) => {\n  let importBlock;\n\n  importBlock = _.map(files, (fileName) => {\n    if (fileName.indexOf(\".\") == -1)\n      return (\n        \"export * as \" +\n        safeVariableName(fileName) +\n        \"  from './\" +\n        fileName +\n        \"';\"\n      );\n    return (\n      \"export { default as \" +\n      safeVariableName(fileName) +\n      \" } from './\" +\n      fileName +\n      \"';\"\n    );\n  });\n\n  importBlock = importBlock.join('\\n');\n\n  return importBlock;\n};\n\nexport default (filePaths, options = {}) => {\n  let code;\n  let configCode;\n\n  code = '';\n  configCode = '';\n\n  if (options.banner) {\n    const banners = _.isArray(options.banner) ? options.banner : [options.banner];\n\n    banners.forEach((banner) => {\n      code += banner + '\\n';\n    });\n\n    code += '\\n';\n  }\n\n  if (options.config && _.size(options.config) > 0) {\n    configCode += ' ' + JSON.stringify(options.config);\n  }\n\n  code += '// @create-index' + configCode + '\\n\\n';\n\n  if (filePaths.length) {\n    const sortedFilePaths = filePaths.sort();\n\n    code += buildExportBlock(sortedFilePaths) + '\\n\\n';\n  }\n\n  return code;\n};\n"],"file":"createIndexCode.js"}
\ No newline at end of file
diff --git a/dist/utilities/findIndexFiles.js b/dist/utilities/findIndexFiles.js
new file mode 100644
index 0000000..d13ac8b
--- /dev/null
+++ b/dist/utilities/findIndexFiles.js
@@ -0,0 +1,36 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _path = _interopRequireDefault(require("path"));
+
+var _lodash = _interopRequireDefault(require("lodash"));
+
+var _glob = _interopRequireDefault(require("glob"));
+
+var _validateTargetDirectory = _interopRequireDefault(require("./validateTargetDirectory"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = function _default(directoryPath) {
+  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  let fileName;
+  let targetDirectories;
+  fileName = options.fileName || 'index.js';
+  fileName = './**/' + fileName;
+  targetDirectories = _glob.default.sync(_path.default.join(directoryPath, fileName));
+  targetDirectories = _lodash.default.filter(targetDirectories, targetDirectoryPath => {
+    return (0, _validateTargetDirectory.default)(_path.default.dirname(targetDirectoryPath), {
+      outputFile: options.fileName,
+      silent: options.silent
+    });
+  });
+  targetDirectories = _lodash.default.map(targetDirectories, _path.default.dirname);
+  return targetDirectories;
+};
+
+exports.default = _default;
+//# sourceMappingURL=findIndexFiles.js.map
\ No newline at end of file
diff --git a/dist/utilities/findIndexFiles.js.map b/dist/utilities/findIndexFiles.js.map
new file mode 100644
index 0000000..824ebcb
--- /dev/null
+++ b/dist/utilities/findIndexFiles.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/findIndexFiles.js"],"names":["directoryPath","options","fileName","targetDirectories","glob","sync","path","join","_","filter","targetDirectoryPath","dirname","outputFile","silent","map"],"mappings":";;;;;;;AAAA;;AACA;;AACA;;AACA;;;;eAEe,kBAACA,aAAD,EAAiC;AAAA,MAAjBC,OAAiB,uEAAP,EAAO;AAC9C,MAAIC,QAAJ;AACA,MAAIC,iBAAJ;AAEAD,EAAAA,QAAQ,GAAGD,OAAO,CAACC,QAAR,IAAoB,UAA/B;AACAA,EAAAA,QAAQ,GAAG,UAAUA,QAArB;AAEAC,EAAAA,iBAAiB,GAAGC,cAAKC,IAAL,CAAUC,cAAKC,IAAL,CAAUP,aAAV,EAAyBE,QAAzB,CAAV,CAApB;AAEAC,EAAAA,iBAAiB,GAAGK,gBAAEC,MAAF,CAASN,iBAAT,EAA6BO,mBAAD,IAAyB;AACvE,WAAO,sCAAwBJ,cAAKK,OAAL,CAAaD,mBAAb,CAAxB,EAA2D;AAChEE,MAAAA,UAAU,EAAEX,OAAO,CAACC,QAD4C;AAEhEW,MAAAA,MAAM,EAAEZ,OAAO,CAACY;AAFgD,KAA3D,CAAP;AAID,GALmB,CAApB;AAOAV,EAAAA,iBAAiB,GAAGK,gBAAEM,GAAF,CAAMX,iBAAN,EAAyBG,cAAKK,OAA9B,CAApB;AAEA,SAAOR,iBAAP;AACD,C","sourcesContent":["import path from 'path';\nimport _ from 'lodash';\nimport glob from 'glob';\nimport validateTargetDirectory from './validateTargetDirectory';\n\nexport default (directoryPath, options = {}) => {\n  let fileName;\n  let targetDirectories;\n\n  fileName = options.fileName || 'index.js';\n  fileName = './**/' + fileName;\n\n  targetDirectories = glob.sync(path.join(directoryPath, fileName));\n\n  targetDirectories = _.filter(targetDirectories, (targetDirectoryPath) => {\n    return validateTargetDirectory(path.dirname(targetDirectoryPath), {\n      outputFile: options.fileName,\n      silent: options.silent,\n    });\n  });\n\n  targetDirectories = _.map(targetDirectories, path.dirname);\n\n  return targetDirectories;\n};\n"],"file":"findIndexFiles.js"}
\ No newline at end of file
diff --git a/dist/utilities/hasIndex.js b/dist/utilities/hasIndex.js
new file mode 100644
index 0000000..7e70bdf
--- /dev/null
+++ b/dist/utilities/hasIndex.js
@@ -0,0 +1,29 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _fs = _interopRequireDefault(require("fs"));
+
+var _path = _interopRequireDefault(require("path"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = function _default(directoryPath) {
+  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+  const indexPath = _path.default.resolve(directoryPath, options.outputFile || 'index.js');
+
+  try {
+    _fs.default.statSync(indexPath);
+
+    return true;
+  } catch {
+    return false;
+  }
+};
+
+exports.default = _default;
+//# sourceMappingURL=hasIndex.js.map
\ No newline at end of file
diff --git a/dist/utilities/hasIndex.js.map b/dist/utilities/hasIndex.js.map
new file mode 100644
index 0000000..f47005a
--- /dev/null
+++ b/dist/utilities/hasIndex.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/hasIndex.js"],"names":["directoryPath","options","indexPath","path","resolve","outputFile","fs","statSync"],"mappings":";;;;;;;AAAA;;AACA;;;;eAEe,kBAACA,aAAD,EAAiC;AAAA,MAAjBC,OAAiB,uEAAP,EAAO;;AAC9C,QAAMC,SAAS,GAAGC,cAAKC,OAAL,CAAaJ,aAAb,EAA4BC,OAAO,CAACI,UAAR,IAAsB,UAAlD,CAAlB;;AAEA,MAAI;AACFC,gBAAGC,QAAH,CAAYL,SAAZ;;AAEA,WAAO,IAAP;AACD,GAJD,CAIE,MAAM;AACN,WAAO,KAAP;AACD;AACF,C","sourcesContent":["import fs from 'fs';\nimport path from 'path';\n\nexport default (directoryPath, options = {}) => {\n  const indexPath = path.resolve(directoryPath, options.outputFile || 'index.js');\n\n  try {\n    fs.statSync(indexPath);\n\n    return true;\n  } catch {\n    return false;\n  }\n};\n"],"file":"hasIndex.js"}
\ No newline at end of file
diff --git a/dist/utilities/index.js b/dist/utilities/index.js
new file mode 100644
index 0000000..611900d
--- /dev/null
+++ b/dist/utilities/index.js
@@ -0,0 +1,72 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "createIndexCode", {
+  enumerable: true,
+  get: function () {
+    return _createIndexCode2.default;
+  }
+});
+Object.defineProperty(exports, "findIndexFiles", {
+  enumerable: true,
+  get: function () {
+    return _findIndexFiles2.default;
+  }
+});
+Object.defineProperty(exports, "log", {
+  enumerable: true,
+  get: function () {
+    return _log2.default;
+  }
+});
+Object.defineProperty(exports, "readDirectory", {
+  enumerable: true,
+  get: function () {
+    return _readDirectory2.default;
+  }
+});
+Object.defineProperty(exports, "sortByDepth", {
+  enumerable: true,
+  get: function () {
+    return _sortByDepth2.default;
+  }
+});
+Object.defineProperty(exports, "validateTargetDirectory", {
+  enumerable: true,
+  get: function () {
+    return _validateTargetDirectory2.default;
+  }
+});
+Object.defineProperty(exports, "writeIndex", {
+  enumerable: true,
+  get: function () {
+    return _writeIndex2.default;
+  }
+});
+Object.defineProperty(exports, "writeIndexCli", {
+  enumerable: true,
+  get: function () {
+    return _writeIndexCli2.default;
+  }
+});
+
+var _createIndexCode2 = _interopRequireDefault(require("./createIndexCode"));
+
+var _findIndexFiles2 = _interopRequireDefault(require("./findIndexFiles"));
+
+var _log2 = _interopRequireDefault(require("./log"));
+
+var _readDirectory2 = _interopRequireDefault(require("./readDirectory"));
+
+var _sortByDepth2 = _interopRequireDefault(require("./sortByDepth"));
+
+var _validateTargetDirectory2 = _interopRequireDefault(require("./validateTargetDirectory"));
+
+var _writeIndex2 = _interopRequireDefault(require("./writeIndex"));
+
+var _writeIndexCli2 = _interopRequireDefault(require("./writeIndexCli"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/dist/utilities/index.js.map b/dist/utilities/index.js.map
new file mode 100644
index 0000000..a6d0119
--- /dev/null
+++ b/dist/utilities/index.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":[],"names":[],"mappings":"","sourcesContent":[],"file":"index.js"}
\ No newline at end of file
diff --git a/dist/utilities/log.js b/dist/utilities/log.js
new file mode 100644
index 0000000..17f6b58
--- /dev/null
+++ b/dist/utilities/log.js
@@ -0,0 +1,24 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _chalk = _interopRequireDefault(require("chalk"));
+
+var _moment = _interopRequireDefault(require("moment"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = function _default() {
+  for (var _len = arguments.length, append = new Array(_len), _key = 0; _key < _len; _key++) {
+    append[_key] = arguments[_key];
+  }
+
+  // eslint-disable-next-line no-console
+  console.log(_chalk.default.dim('[' + (0, _moment.default)().format('HH:mm:ss') + ']'), ...append);
+};
+
+exports.default = _default;
+//# sourceMappingURL=log.js.map
\ No newline at end of file
diff --git a/dist/utilities/log.js.map b/dist/utilities/log.js.map
new file mode 100644
index 0000000..e9ac1b9
--- /dev/null
+++ b/dist/utilities/log.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/log.js"],"names":["append","console","log","chalk","dim","format"],"mappings":";;;;;;;AAAA;;AACA;;;;eAEe,oBAAe;AAAA,oCAAXA,MAAW;AAAXA,IAAAA,MAAW;AAAA;;AAC5B;AACAC,EAAAA,OAAO,CAACC,GAAR,CAAYC,eAAMC,GAAN,CAAU,MAAM,uBAASC,MAAT,CAAgB,UAAhB,CAAN,GAAoC,GAA9C,CAAZ,EAAgE,GAAGL,MAAnE;AACD,C","sourcesContent":["import chalk from 'chalk';\nimport moment from 'moment';\n\nexport default (...append) => {\n  // eslint-disable-next-line no-console\n  console.log(chalk.dim('[' + moment().format('HH:mm:ss') + ']'), ...append);\n};\n"],"file":"log.js"}
\ No newline at end of file
diff --git a/dist/utilities/readDirectory.js b/dist/utilities/readDirectory.js
new file mode 100644
index 0000000..82dd258
--- /dev/null
+++ b/dist/utilities/readDirectory.js
@@ -0,0 +1,139 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _fs = _interopRequireDefault(require("fs"));
+
+var _path = _interopRequireDefault(require("path"));
+
+var _lodash = _interopRequireDefault(require("lodash"));
+
+var _hasIndex = _interopRequireDefault(require("./hasIndex"));
+
+var _validateTargetDirectory = _interopRequireDefault(require("./validateTargetDirectory"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const hasNoExtension = fileName => {
+  const matches = fileName.match(/\./g);
+  return !matches;
+};
+
+const hasMultipleExtensions = fileName => {
+  const matches = fileName.match(/\./g);
+  return matches && matches.length > 1;
+};
+
+const isSafeName = fileName => {
+  return /^[_a-z][\w.]*$/i.test(fileName);
+};
+
+const stripExtension = fileName => {
+  const pos = fileName.lastIndexOf('.');
+
+  if (pos === -1) {
+    return fileName;
+  }
+
+  return fileName.slice(0, Math.max(0, pos));
+};
+
+const removeDuplicates = (files, preferredExtension) => {
+  return _lodash.default.filter(files, fileName => {
+    const withoutExtension = stripExtension(fileName);
+    const mainAlternative = withoutExtension + '.' + preferredExtension;
+
+    if (mainAlternative === fileName) {
+      return true;
+    }
+
+    return !_lodash.default.includes(files, mainAlternative);
+  });
+};
+
+const removeIgnoredFiles = function (files) {
+  let ignorePatterns = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+
+  if (ignorePatterns.length === 0) {
+    return files;
+  }
+
+  const patterns = ignorePatterns.map(pattern => {
+    if (_lodash.default.startsWith(pattern, '/') && _lodash.default.endsWith(pattern, '/')) {
+      const patternWithoutSlashes = pattern.slice(1, -1);
+      return new RegExp(patternWithoutSlashes);
+    }
+
+    return new RegExp(pattern);
+  });
+  return _lodash.default.filter(files, fileName => {
+    let pattern;
+
+    for (pattern of patterns) {
+      if (fileName.match(pattern) !== null) {
+        return false;
+      }
+    }
+
+    return true;
+  });
+};
+
+var _default = function _default(directoryPath) {
+  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+  if (!(0, _validateTargetDirectory.default)(directoryPath, options)) {
+    return false;
+  }
+
+  const _options$extensions = options.extensions,
+        extensions = _options$extensions === void 0 ? ['js'] : _options$extensions,
+        _options$config = options.config,
+        config = _options$config === void 0 ? {} : _options$config,
+        _options$ignoreDirect = options.ignoreDirectories,
+        ignoreDirectories = _options$ignoreDirect === void 0 ? false : _options$ignoreDirect;
+  let children;
+  children = _fs.default.readdirSync(directoryPath);
+  children = _lodash.default.filter(children, fileName => {
+    const absolutePath = _path.default.resolve(directoryPath, fileName);
+
+    const isDirectory = _fs.default.statSync(absolutePath).isDirectory();
+
+    if (!isSafeName(fileName)) {
+      return false;
+    }
+
+    if (hasNoExtension(fileName) && !isDirectory) {
+      return false;
+    }
+
+    if (hasMultipleExtensions(fileName)) {
+      return false;
+    }
+
+    if (_lodash.default.startsWith(fileName, options.outputFile || 'index.js')) {
+      return false;
+    }
+
+    if (!isDirectory && !extensions.some(extension => {
+      return _lodash.default.endsWith(fileName, '.' + extension);
+    })) {
+      return false;
+    }
+
+    if (isDirectory && (!(0, _hasIndex.default)(absolutePath, options) || ignoreDirectories)) {
+      return false;
+    }
+
+    return true;
+  });
+  children = removeDuplicates(children, extensions[0]);
+  children = removeIgnoredFiles(children, config.ignore);
+  return children.sort();
+};
+
+exports.default = _default;
+//# sourceMappingURL=readDirectory.js.map
\ No newline at end of file
diff --git a/dist/utilities/readDirectory.js.map b/dist/utilities/readDirectory.js.map
new file mode 100644
index 0000000..bd83771
--- /dev/null
+++ b/dist/utilities/readDirectory.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/readDirectory.js"],"names":["hasNoExtension","fileName","matches","match","hasMultipleExtensions","length","isSafeName","test","stripExtension","pos","lastIndexOf","slice","Math","max","removeDuplicates","files","preferredExtension","_","filter","withoutExtension","mainAlternative","includes","removeIgnoredFiles","ignorePatterns","patterns","map","pattern","startsWith","endsWith","patternWithoutSlashes","RegExp","directoryPath","options","extensions","config","ignoreDirectories","children","fs","readdirSync","absolutePath","path","resolve","isDirectory","statSync","outputFile","some","extension","ignore","sort"],"mappings":";;;;;;;AAAA;;AACA;;AACA;;AACA;;AACA;;;;AAEA,MAAMA,cAAc,GAAIC,QAAD,IAAc;AACnC,QAAMC,OAAO,GAAGD,QAAQ,CAACE,KAAT,CAAe,KAAf,CAAhB;AAEA,SAAO,CAACD,OAAR;AACD,CAJD;;AAMA,MAAME,qBAAqB,GAAIH,QAAD,IAAc;AAC1C,QAAMC,OAAO,GAAGD,QAAQ,CAACE,KAAT,CAAe,KAAf,CAAhB;AAEA,SAAOD,OAAO,IAAIA,OAAO,CAACG,MAAR,GAAiB,CAAnC;AACD,CAJD;;AAMA,MAAMC,UAAU,GAAIL,QAAD,IAAc;AAC/B,SAAO,kBAAkBM,IAAlB,CAAuBN,QAAvB,CAAP;AACD,CAFD;;AAIA,MAAMO,cAAc,GAAIP,QAAD,IAAc;AACnC,QAAMQ,GAAG,GAAGR,QAAQ,CAACS,WAAT,CAAqB,GAArB,CAAZ;;AAEA,MAAID,GAAG,KAAK,CAAC,CAAb,EAAgB;AACd,WAAOR,QAAP;AACD;;AAED,SAAOA,QAAQ,CAACU,KAAT,CAAe,CAAf,EAAkBC,IAAI,CAACC,GAAL,CAAS,CAAT,EAAYJ,GAAZ,CAAlB,CAAP;AACD,CARD;;AAUA,MAAMK,gBAAgB,GAAG,CAACC,KAAD,EAAQC,kBAAR,KAA+B;AACtD,SAAOC,gBAAEC,MAAF,CAASH,KAAT,EAAiBd,QAAD,IAAc;AACnC,UAAMkB,gBAAgB,GAAGX,cAAc,CAACP,QAAD,CAAvC;AACA,UAAMmB,eAAe,GAAGD,gBAAgB,GAAG,GAAnB,GAAyBH,kBAAjD;;AAEA,QAAII,eAAe,KAAKnB,QAAxB,EAAkC;AAChC,aAAO,IAAP;AACD;;AAED,WAAO,CAACgB,gBAAEI,QAAF,CAAWN,KAAX,EAAkBK,eAAlB,CAAR;AACD,GATM,CAAP;AAUD,CAXD;;AAaA,MAAME,kBAAkB,GAAG,UAACP,KAAD,EAAgC;AAAA,MAAxBQ,cAAwB,uEAAP,EAAO;;AACzD,MAAIA,cAAc,CAAClB,MAAf,KAA0B,CAA9B,EAAiC;AAC/B,WAAOU,KAAP;AACD;;AAED,QAAMS,QAAQ,GAAGD,cAAc,CAACE,GAAf,CAAoBC,OAAD,IAAa;AAC/C,QAAIT,gBAAEU,UAAF,CAAaD,OAAb,EAAsB,GAAtB,KAA8BT,gBAAEW,QAAF,CAAWF,OAAX,EAAoB,GAApB,CAAlC,EAA4D;AAC1D,YAAMG,qBAAqB,GAAGH,OAAO,CAACf,KAAR,CAAc,CAAd,EAAiB,CAAC,CAAlB,CAA9B;AAEA,aAAO,IAAImB,MAAJ,CAAWD,qBAAX,CAAP;AACD;;AAED,WAAO,IAAIC,MAAJ,CAAWJ,OAAX,CAAP;AACD,GARgB,CAAjB;AAUA,SAAOT,gBAAEC,MAAF,CAASH,KAAT,EAAiBd,QAAD,IAAc;AACnC,QAAIyB,OAAJ;;AAEA,SAAKA,OAAL,IAAgBF,QAAhB,EAA0B;AACxB,UAAIvB,QAAQ,CAACE,KAAT,CAAeuB,OAAf,MAA4B,IAAhC,EAAsC;AACpC,eAAO,KAAP;AACD;AACF;;AAED,WAAO,IAAP;AACD,GAVM,CAAP;AAWD,CA1BD;;eA4Be,kBAACK,aAAD,EAAiC;AAAA,MAAjBC,OAAiB,uEAAP,EAAO;;AAC9C,MAAI,CAAC,sCAAwBD,aAAxB,EAAuCC,OAAvC,CAAL,EAAsD;AACpD,WAAO,KAAP;AACD;;AAED,8BAIIA,OAJJ,CACEC,UADF;AAAA,QACEA,UADF,oCACe,CAAC,IAAD,CADf;AAAA,0BAIID,OAJJ,CAEEE,MAFF;AAAA,QAEEA,MAFF,gCAEW,EAFX;AAAA,gCAIIF,OAJJ,CAGEG,iBAHF;AAAA,QAGEA,iBAHF,sCAGsB,KAHtB;AAMA,MAAIC,QAAJ;AAEAA,EAAAA,QAAQ,GAAGC,YAAGC,WAAH,CAAeP,aAAf,CAAX;AAEAK,EAAAA,QAAQ,GAAGnB,gBAAEC,MAAF,CAASkB,QAAT,EAAoBnC,QAAD,IAAc;AAC1C,UAAMsC,YAAY,GAAGC,cAAKC,OAAL,CAAaV,aAAb,EAA4B9B,QAA5B,CAArB;;AACA,UAAMyC,WAAW,GAAGL,YAAGM,QAAH,CAAYJ,YAAZ,EAA0BG,WAA1B,EAApB;;AAEA,QAAI,CAACpC,UAAU,CAACL,QAAD,CAAf,EAA2B;AACzB,aAAO,KAAP;AACD;;AAED,QAAID,cAAc,CAACC,QAAD,CAAd,IAA4B,CAACyC,WAAjC,EAA8C;AAC5C,aAAO,KAAP;AACD;;AAED,QAAItC,qBAAqB,CAACH,QAAD,CAAzB,EAAqC;AACnC,aAAO,KAAP;AACD;;AAED,QAAIgB,gBAAEU,UAAF,CAAa1B,QAAb,EAAuB+B,OAAO,CAACY,UAAR,IAAsB,UAA7C,CAAJ,EAA8D;AAC5D,aAAO,KAAP;AACD;;AAED,QAAI,CAACF,WAAD,IAAgB,CAACT,UAAU,CAACY,IAAX,CAAiBC,SAAD,IAAe;AAClD,aAAO7B,gBAAEW,QAAF,CAAW3B,QAAX,EAAqB,MAAM6C,SAA3B,CAAP;AACD,KAFoB,CAArB,EAEI;AACF,aAAO,KAAP;AACD;;AAED,QAAIJ,WAAW,KAAK,CAAC,uBAASH,YAAT,EAAuBP,OAAvB,CAAD,IAAoCG,iBAAzC,CAAf,EAA4E;AAC1E,aAAO,KAAP;AACD;;AAED,WAAO,IAAP;AACD,GA/BU,CAAX;AAiCAC,EAAAA,QAAQ,GAAGtB,gBAAgB,CAACsB,QAAD,EAAWH,UAAU,CAAC,CAAD,CAArB,CAA3B;AACAG,EAAAA,QAAQ,GAAGd,kBAAkB,CAACc,QAAD,EAAWF,MAAM,CAACa,MAAlB,CAA7B;AAEA,SAAOX,QAAQ,CAACY,IAAT,EAAP;AACD,C","sourcesContent":["import fs from 'fs';\nimport path from 'path';\nimport _ from 'lodash';\nimport hasIndex from './hasIndex';\nimport validateTargetDirectory from './validateTargetDirectory';\n\nconst hasNoExtension = (fileName) => {\n  const matches = fileName.match(/\\./g);\n\n  return !matches;\n};\n\nconst hasMultipleExtensions = (fileName) => {\n  const matches = fileName.match(/\\./g);\n\n  return matches && matches.length > 1;\n};\n\nconst isSafeName = (fileName) => {\n  return /^[_a-z][\\w.]*$/i.test(fileName);\n};\n\nconst stripExtension = (fileName) => {\n  const pos = fileName.lastIndexOf('.');\n\n  if (pos === -1) {\n    return fileName;\n  }\n\n  return fileName.slice(0, Math.max(0, pos));\n};\n\nconst removeDuplicates = (files, preferredExtension) => {\n  return _.filter(files, (fileName) => {\n    const withoutExtension = stripExtension(fileName);\n    const mainAlternative = withoutExtension + '.' + preferredExtension;\n\n    if (mainAlternative === fileName) {\n      return true;\n    }\n\n    return !_.includes(files, mainAlternative);\n  });\n};\n\nconst removeIgnoredFiles = (files, ignorePatterns = []) => {\n  if (ignorePatterns.length === 0) {\n    return files;\n  }\n\n  const patterns = ignorePatterns.map((pattern) => {\n    if (_.startsWith(pattern, '/') && _.endsWith(pattern, '/')) {\n      const patternWithoutSlashes = pattern.slice(1, -1);\n\n      return new RegExp(patternWithoutSlashes);\n    }\n\n    return new RegExp(pattern);\n  });\n\n  return _.filter(files, (fileName) => {\n    let pattern;\n\n    for (pattern of patterns) {\n      if (fileName.match(pattern) !== null) {\n        return false;\n      }\n    }\n\n    return true;\n  });\n};\n\nexport default (directoryPath, options = {}) => {\n  if (!validateTargetDirectory(directoryPath, options)) {\n    return false;\n  }\n\n  const {\n    extensions = ['js'],\n    config = {},\n    ignoreDirectories = false,\n  } = options;\n\n  let children;\n\n  children = fs.readdirSync(directoryPath);\n\n  children = _.filter(children, (fileName) => {\n    const absolutePath = path.resolve(directoryPath, fileName);\n    const isDirectory = fs.statSync(absolutePath).isDirectory();\n\n    if (!isSafeName(fileName)) {\n      return false;\n    }\n\n    if (hasNoExtension(fileName) && !isDirectory) {\n      return false;\n    }\n\n    if (hasMultipleExtensions(fileName)) {\n      return false;\n    }\n\n    if (_.startsWith(fileName, options.outputFile || 'index.js')) {\n      return false;\n    }\n\n    if (!isDirectory && !extensions.some((extension) => {\n      return _.endsWith(fileName, '.' + extension);\n    })) {\n      return false;\n    }\n\n    if (isDirectory && (!hasIndex(absolutePath, options) || ignoreDirectories)) {\n      return false;\n    }\n\n    return true;\n  });\n\n  children = removeDuplicates(children, extensions[0]);\n  children = removeIgnoredFiles(children, config.ignore);\n\n  return children.sort();\n};\n"],"file":"readDirectory.js"}
\ No newline at end of file
diff --git a/dist/utilities/readIndexConfig.js b/dist/utilities/readIndexConfig.js
new file mode 100644
index 0000000..2a3f666
--- /dev/null
+++ b/dist/utilities/readIndexConfig.js
@@ -0,0 +1,48 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _fs = _interopRequireDefault(require("fs"));
+
+var _path = _interopRequireDefault(require("path"));
+
+var _hasIndex = _interopRequireDefault(require("./hasIndex"));
+
+var _constants = require("./constants");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = function _default(directoryPath) {
+  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+  if (!(0, _hasIndex.default)(directoryPath, options)) {
+    return {};
+  }
+
+  const indexPath = _path.default.resolve(directoryPath, options.outputFile || 'index.js');
+
+  const indexContents = _fs.default.readFileSync(indexPath, 'utf-8');
+
+  const found = indexContents.match(_constants.CREATE_INDEX_PATTERN);
+  const configLine = typeof found[1] === 'string' ? found[1].trim() : '';
+
+  if (configLine.length === 0) {
+    return {};
+  }
+
+  let config;
+
+  try {
+    config = JSON.parse(configLine);
+  } catch {
+    throw new Error('"' + indexPath + '" contains invalid configuration object.\n' + 'Configuration object must be a valid JSON.');
+  }
+
+  return config;
+};
+
+exports.default = _default;
+//# sourceMappingURL=readIndexConfig.js.map
\ No newline at end of file
diff --git a/dist/utilities/readIndexConfig.js.map b/dist/utilities/readIndexConfig.js.map
new file mode 100644
index 0000000..96fc305
--- /dev/null
+++ b/dist/utilities/readIndexConfig.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/readIndexConfig.js"],"names":["directoryPath","options","indexPath","path","resolve","outputFile","indexContents","fs","readFileSync","found","match","CREATE_INDEX_PATTERN","configLine","trim","length","config","JSON","parse","Error"],"mappings":";;;;;;;AAAA;;AACA;;AACA;;AACA;;;;eAEe,kBAACA,aAAD,EAAiC;AAAA,MAAjBC,OAAiB,uEAAP,EAAO;;AAC9C,MAAI,CAAC,uBAASD,aAAT,EAAwBC,OAAxB,CAAL,EAAuC;AACrC,WAAO,EAAP;AACD;;AAED,QAAMC,SAAS,GAAGC,cAAKC,OAAL,CAAaJ,aAAb,EAA4BC,OAAO,CAACI,UAAR,IAAsB,UAAlD,CAAlB;;AACA,QAAMC,aAAa,GAAGC,YAAGC,YAAH,CAAgBN,SAAhB,EAA2B,OAA3B,CAAtB;;AACA,QAAMO,KAAK,GAAGH,aAAa,CAACI,KAAd,CAAoBC,+BAApB,CAAd;AACA,QAAMC,UAAU,GAAG,OAAOH,KAAK,CAAC,CAAD,CAAZ,KAAoB,QAApB,GAA+BA,KAAK,CAAC,CAAD,CAAL,CAASI,IAAT,EAA/B,GAAiD,EAApE;;AAEA,MAAID,UAAU,CAACE,MAAX,KAAsB,CAA1B,EAA6B;AAC3B,WAAO,EAAP;AACD;;AAED,MAAIC,MAAJ;;AAEA,MAAI;AACFA,IAAAA,MAAM,GAAGC,IAAI,CAACC,KAAL,CAAWL,UAAX,CAAT;AACD,GAFD,CAEE,MAAM;AACN,UAAM,IAAIM,KAAJ,CACJ,MAAMhB,SAAN,GAAkB,4CAAlB,GACA,4CAFI,CAAN;AAID;;AAED,SAAOa,MAAP;AACD,C","sourcesContent":["import fs from 'fs';\nimport path from 'path';\nimport hasIndex from './hasIndex';\nimport {CREATE_INDEX_PATTERN} from './constants';\n\nexport default (directoryPath, options = {}) => {\n  if (!hasIndex(directoryPath, options)) {\n    return {};\n  }\n\n  const indexPath = path.resolve(directoryPath, options.outputFile || 'index.js');\n  const indexContents = fs.readFileSync(indexPath, 'utf-8');\n  const found = indexContents.match(CREATE_INDEX_PATTERN);\n  const configLine = typeof found[1] === 'string' ? found[1].trim() : '';\n\n  if (configLine.length === 0) {\n    return {};\n  }\n\n  let config;\n\n  try {\n    config = JSON.parse(configLine);\n  } catch {\n    throw new Error(\n      '\"' + indexPath + '\" contains invalid configuration object.\\n' +\n      'Configuration object must be a valid JSON.',\n    );\n  }\n\n  return config;\n};\n"],"file":"readIndexConfig.js"}
\ No newline at end of file
diff --git a/dist/utilities/sortByDepth.js b/dist/utilities/sortByDepth.js
new file mode 100644
index 0000000..01f5820
--- /dev/null
+++ b/dist/utilities/sortByDepth.js
@@ -0,0 +1,19 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _lodash = _interopRequireDefault(require("lodash"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = paths => {
+  return _lodash.default.sortBy(paths, path => {
+    return -path.split('/').length;
+  });
+};
+
+exports.default = _default;
+//# sourceMappingURL=sortByDepth.js.map
\ No newline at end of file
diff --git a/dist/utilities/sortByDepth.js.map b/dist/utilities/sortByDepth.js.map
new file mode 100644
index 0000000..a734f33
--- /dev/null
+++ b/dist/utilities/sortByDepth.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/sortByDepth.js"],"names":["paths","_","sortBy","path","split","length"],"mappings":";;;;;;;AAAA;;;;eAEgBA,KAAD,IAAW;AACxB,SAAOC,gBAAEC,MAAF,CAASF,KAAT,EAAiBG,IAAD,IAAU;AAC/B,WAAO,CAACA,IAAI,CAACC,KAAL,CAAW,GAAX,EAAgBC,MAAxB;AACD,GAFM,CAAP;AAGD,C","sourcesContent":["import _ from 'lodash';\n\nexport default (paths) => {\n  return _.sortBy(paths, (path) => {\n    return -path.split('/').length;\n  });\n};\n"],"file":"sortByDepth.js"}
\ No newline at end of file
diff --git a/dist/utilities/validateTargetDirectory.js b/dist/utilities/validateTargetDirectory.js
new file mode 100644
index 0000000..ecd0949
--- /dev/null
+++ b/dist/utilities/validateTargetDirectory.js
@@ -0,0 +1,61 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _fs = _interopRequireDefault(require("fs"));
+
+var _path = _interopRequireDefault(require("path"));
+
+var _constants = require("./constants");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = function _default(targetDirectory) {
+  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  const silent = options.silent;
+  let stats;
+
+  try {
+    stats = _fs.default.statSync(targetDirectory);
+  } catch {
+    if (silent) {
+      return false;
+    } else {
+      throw new Error('Directory "' + targetDirectory + '" does not exist.');
+    }
+  }
+
+  if (!stats.isDirectory()) {
+    if (silent) {
+      return false;
+    } else {
+      throw new Error('"' + targetDirectory + '" is not a directory.');
+    }
+  }
+
+  const indexFilePath = _path.default.resolve(targetDirectory, './' + (options.outputFile || 'index.js'));
+
+  try {
+    _fs.default.statSync(indexFilePath);
+  } catch {
+    return true;
+  }
+
+  const indexFile = _fs.default.readFileSync(indexFilePath, 'utf8');
+
+  if (!indexFile.match(_constants.CREATE_INDEX_PATTERN)) {
+    if (silent) {
+      return false;
+    } else {
+      throw new Error('"' + indexFilePath + '" unsafe index.');
+    }
+  }
+
+  return true;
+};
+
+exports.default = _default;
+//# sourceMappingURL=validateTargetDirectory.js.map
\ No newline at end of file
diff --git a/dist/utilities/validateTargetDirectory.js.map b/dist/utilities/validateTargetDirectory.js.map
new file mode 100644
index 0000000..f8299ba
--- /dev/null
+++ b/dist/utilities/validateTargetDirectory.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/validateTargetDirectory.js"],"names":["targetDirectory","options","silent","stats","fs","statSync","Error","isDirectory","indexFilePath","path","resolve","outputFile","indexFile","readFileSync","match","CREATE_INDEX_PATTERN"],"mappings":";;;;;;;AAAA;;AACA;;AACA;;;;eAEe,kBAACA,eAAD,EAAmC;AAAA,MAAjBC,OAAiB,uEAAP,EAAO;AAChD,QAAMC,MAAM,GAAGD,OAAO,CAACC,MAAvB;AACA,MAAIC,KAAJ;;AAEA,MAAI;AACFA,IAAAA,KAAK,GAAGC,YAAGC,QAAH,CAAYL,eAAZ,CAAR;AACD,GAFD,CAEE,MAAM;AACN,QAAIE,MAAJ,EAAY;AACV,aAAO,KAAP;AACD,KAFD,MAEO;AACL,YAAM,IAAII,KAAJ,CAAU,gBAAgBN,eAAhB,GAAkC,mBAA5C,CAAN;AACD;AACF;;AAED,MAAI,CAACG,KAAK,CAACI,WAAN,EAAL,EAA0B;AACxB,QAAIL,MAAJ,EAAY;AACV,aAAO,KAAP;AACD,KAFD,MAEO;AACL,YAAM,IAAII,KAAJ,CAAU,MAAMN,eAAN,GAAwB,uBAAlC,CAAN;AACD;AACF;;AAED,QAAMQ,aAAa,GAAGC,cAAKC,OAAL,CAAaV,eAAb,EAA8B,QAAQC,OAAO,CAACU,UAAR,IAAsB,UAA9B,CAA9B,CAAtB;;AAEA,MAAI;AACFP,gBAAGC,QAAH,CAAYG,aAAZ;AACD,GAFD,CAEE,MAAM;AACN,WAAO,IAAP;AACD;;AAED,QAAMI,SAAS,GAAGR,YAAGS,YAAH,CAAgBL,aAAhB,EAA+B,MAA/B,CAAlB;;AAEA,MAAI,CAACI,SAAS,CAACE,KAAV,CAAgBC,+BAAhB,CAAL,EAA4C;AAC1C,QAAIb,MAAJ,EAAY;AACV,aAAO,KAAP;AACD,KAFD,MAEO;AACL,YAAM,IAAII,KAAJ,CAAU,MAAME,aAAN,GAAsB,iBAAhC,CAAN;AACD;AACF;;AAED,SAAO,IAAP;AACD,C","sourcesContent":["import fs from 'fs';\nimport path from 'path';\nimport {CREATE_INDEX_PATTERN} from './constants';\n\nexport default (targetDirectory, options = {}) => {\n  const silent = options.silent;\n  let stats;\n\n  try {\n    stats = fs.statSync(targetDirectory);\n  } catch {\n    if (silent) {\n      return false;\n    } else {\n      throw new Error('Directory \"' + targetDirectory + '\" does not exist.');\n    }\n  }\n\n  if (!stats.isDirectory()) {\n    if (silent) {\n      return false;\n    } else {\n      throw new Error('\"' + targetDirectory + '\" is not a directory.');\n    }\n  }\n\n  const indexFilePath = path.resolve(targetDirectory, './' + (options.outputFile || 'index.js'));\n\n  try {\n    fs.statSync(indexFilePath);\n  } catch {\n    return true;\n  }\n\n  const indexFile = fs.readFileSync(indexFilePath, 'utf8');\n\n  if (!indexFile.match(CREATE_INDEX_PATTERN)) {\n    if (silent) {\n      return false;\n    } else {\n      throw new Error('\"' + indexFilePath + '\" unsafe index.');\n    }\n  }\n\n  return true;\n};\n\n"],"file":"validateTargetDirectory.js"}
\ No newline at end of file
diff --git a/dist/utilities/writeIndex.js b/dist/utilities/writeIndex.js
new file mode 100644
index 0000000..84c17c1
--- /dev/null
+++ b/dist/utilities/writeIndex.js
@@ -0,0 +1,50 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _fs = _interopRequireDefault(require("fs"));
+
+var _path = _interopRequireDefault(require("path"));
+
+var _lodash = _interopRequireDefault(require("lodash"));
+
+var _createIndexCode = _interopRequireDefault(require("./createIndexCode"));
+
+var _validateTargetDirectory = _interopRequireDefault(require("./validateTargetDirectory"));
+
+var _readDirectory = _interopRequireDefault(require("./readDirectory"));
+
+var _readIndexConfig = _interopRequireDefault(require("./readIndexConfig"));
+
+var _sortByDepth = _interopRequireDefault(require("./sortByDepth"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = function _default(directoryPaths) {
+  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  const sortedDirectoryPaths = (0, _sortByDepth.default)(directoryPaths).filter(directoryPath => {
+    return (0, _validateTargetDirectory.default)(directoryPath, {
+      outputFile: options.outputFile,
+      silent: options.ignoreUnsafe
+    });
+  });
+
+  _lodash.default.forEach(sortedDirectoryPaths, directoryPath => {
+    const config = (0, _readIndexConfig.default)(directoryPath, options);
+    const optionsWithConfig = Object.assign({}, options, {
+      config
+    });
+    const siblings = (0, _readDirectory.default)(directoryPath, optionsWithConfig);
+    const indexCode = (0, _createIndexCode.default)(siblings, optionsWithConfig);
+
+    const indexFilePath = _path.default.resolve(directoryPath, options.outputFile || 'index.js');
+
+    _fs.default.writeFileSync(indexFilePath, indexCode);
+  });
+};
+
+exports.default = _default;
+//# sourceMappingURL=writeIndex.js.map
\ No newline at end of file
diff --git a/dist/utilities/writeIndex.js.map b/dist/utilities/writeIndex.js.map
new file mode 100644
index 0000000..e8f0c23
--- /dev/null
+++ b/dist/utilities/writeIndex.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/utilities/writeIndex.js"],"names":["directoryPaths","options","sortedDirectoryPaths","filter","directoryPath","outputFile","silent","ignoreUnsafe","_","forEach","config","optionsWithConfig","Object","assign","siblings","indexCode","indexFilePath","path","resolve","fs","writeFileSync"],"mappings":";;;;;;;AAAA;;AACA;;AACA;;AACA;;AACA;;AACA;;AACA;;AACA;;;;eAEe,kBAACA,cAAD,EAAkC;AAAA,MAAjBC,OAAiB,uEAAP,EAAO;AAC/C,QAAMC,oBAAoB,GAAG,0BAAYF,cAAZ,EAC1BG,MAD0B,CAClBC,aAAD,IAAmB;AACzB,WAAO,sCAAwBA,aAAxB,EAAuC;AAACC,MAAAA,UAAU,EAAEJ,OAAO,CAACI,UAArB;AAC5CC,MAAAA,MAAM,EAAEL,OAAO,CAACM;AAD4B,KAAvC,CAAP;AAED,GAJ0B,CAA7B;;AAMAC,kBAAEC,OAAF,CAAUP,oBAAV,EAAiCE,aAAD,IAAmB;AACjD,UAAMM,MAAM,GAAG,8BAAgBN,aAAhB,EAA+BH,OAA/B,CAAf;AACA,UAAMU,iBAAiB,GAAGC,MAAM,CAACC,MAAP,CAAc,EAAd,EAAkBZ,OAAlB,EAA2B;AAACS,MAAAA;AAAD,KAA3B,CAA1B;AACA,UAAMI,QAAQ,GAAG,4BAAcV,aAAd,EAA6BO,iBAA7B,CAAjB;AACA,UAAMI,SAAS,GAAG,8BAAgBD,QAAhB,EAA0BH,iBAA1B,CAAlB;;AACA,UAAMK,aAAa,GAAGC,cAAKC,OAAL,CAAad,aAAb,EAA4BH,OAAO,CAACI,UAAR,IAAsB,UAAlD,CAAtB;;AAEAc,gBAAGC,aAAH,CAAiBJ,aAAjB,EAAgCD,SAAhC;AACD,GARD;AASD,C","sourcesContent":["import fs from 'fs';\nimport path from 'path';\nimport _ from 'lodash';\nimport createIndexCode from './createIndexCode';\nimport validateTargetDirectory from './validateTargetDirectory';\nimport readDirectory from './readDirectory';\nimport readIndexConfig from './readIndexConfig';\nimport sortByDepth from './sortByDepth';\n\nexport default (directoryPaths, options = {}) => {\n  const sortedDirectoryPaths = sortByDepth(directoryPaths)\n    .filter((directoryPath) => {\n      return validateTargetDirectory(directoryPath, {outputFile: options.outputFile,\n        silent: options.ignoreUnsafe});\n    });\n\n  _.forEach(sortedDirectoryPaths, (directoryPath) => {\n    const config = readIndexConfig(directoryPath, options);\n    const optionsWithConfig = Object.assign({}, options, {config});\n    const siblings = readDirectory(directoryPath, optionsWithConfig);\n    const indexCode = createIndexCode(siblings, optionsWithConfig);\n    const indexFilePath = path.resolve(directoryPath, options.outputFile || 'index.js');\n\n    fs.writeFileSync(indexFilePath, indexCode);\n  });\n};\n"],"file":"writeIndex.js"}
\ No newline at end of file
diff --git a/dist/utilities/writeIndexCli.js b/dist/utilities/writeIndexCli.js
new file mode 100644
index 0000000..843d568
--- /dev/null
+++ b/dist/utilities/writeIndexCli.js
@@ -0,0 +1,105 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _fs = _interopRequireDefault(require("fs"));
+
+var _path = _interopRequireDefault(require("path"));
+
+var _lodash = _interopRequireDefault(require("lodash"));
+
+var _chalk = _interopRequireDefault(require("chalk"));
+
+var _createIndexCode = _interopRequireDefault(require("./createIndexCode"));
+
+var _validateTargetDirectory = _interopRequireDefault(require("./validateTargetDirectory"));
+
+var _readDirectory = _interopRequireDefault(require("./readDirectory"));
+
+var _readIndexConfig = _interopRequireDefault(require("./readIndexConfig"));
+
+var _sortByDepth = _interopRequireDefault(require("./sortByDepth"));
+
+var _log = _interopRequireDefault(require("./log"));
+
+var _findIndexFiles = _interopRequireDefault(require("./findIndexFiles"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = function _default(directoryPaths) {
+  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  let sortedDirectoryPaths;
+  sortedDirectoryPaths = (0, _sortByDepth.default)(directoryPaths);
+  (0, _log.default)('Target directories', sortedDirectoryPaths);
+  (0, _log.default)('Output file', options.outputFile);
+
+  if (options.updateIndex) {
+    (0, _log.default)('Update index:', options.updateIndex ? _chalk.default.green('true') : _chalk.default.red('false'));
+  } else {
+    (0, _log.default)('Recursive:', options.recursive ? _chalk.default.green('true') : _chalk.default.red('false'));
+    (0, _log.default)('Ignore unsafe:', options.ignoreUnsafe ? _chalk.default.green('true') : _chalk.default.red('false'));
+    (0, _log.default)('Extensions:', _chalk.default.green(options.extensions));
+  }
+
+  if (options.updateIndex || options.recursive) {
+    sortedDirectoryPaths = _lodash.default.map(sortedDirectoryPaths, directory => {
+      return (0, _findIndexFiles.default)(directory, {
+        fileName: options.updateIndex ? options.outputFile || 'index.js' : '*',
+        silent: options.updateIndex || options.ignoreUnsafe
+      });
+    });
+    sortedDirectoryPaths = _lodash.default.flatten(sortedDirectoryPaths);
+    sortedDirectoryPaths = _lodash.default.uniq(sortedDirectoryPaths);
+    sortedDirectoryPaths = (0, _sortByDepth.default)(sortedDirectoryPaths);
+    (0, _log.default)('Updating index files in:', sortedDirectoryPaths.reverse().join(', '));
+  }
+
+  sortedDirectoryPaths = sortedDirectoryPaths.filter(directoryPath => {
+    return (0, _validateTargetDirectory.default)(directoryPath, {
+      outputFile: options.outputFile,
+      silent: options.ignoreUnsafe
+    });
+  });
+
+  _lodash.default.forEach(sortedDirectoryPaths, directoryPath => {
+    let existingIndexCode;
+    const config = (0, _readIndexConfig.default)(directoryPath, options);
+    const siblings = (0, _readDirectory.default)(directoryPath, {
+      config,
+      extensions: options.extensions,
+      ignoreDirectories: options.ignoreDirectories,
+      silent: options.ignoreUnsafe
+    });
+    const indexCode = (0, _createIndexCode.default)(siblings, {
+      banner: options.banner,
+      config
+    });
+
+    const indexFilePath = _path.default.resolve(directoryPath, options.outputFile || 'index.js');
+
+    try {
+      existingIndexCode = _fs.default.readFileSync(indexFilePath, 'utf8');
+      /* eslint-disable no-empty */
+    } catch {}
+    /* eslint-enable no-empty */
+
+
+    _fs.default.writeFileSync(indexFilePath, indexCode);
+
+    if (existingIndexCode && existingIndexCode === indexCode) {
+      (0, _log.default)(indexFilePath, _chalk.default.yellow('[index has not changed]'));
+    } else if (existingIndexCode && existingIndexCode !== indexCode) {
+      (0, _log.default)(indexFilePath, _chalk.default.green('[updated index]'));
+    } else {
+      (0, _log.default)(indexFilePath, _chalk.default.green('[created index]'));
+    }
+  });
+
+  (0, _log.default)('Done');
+};
+
+exports.default = _default;
+//# sourceMappingURL=writeIndexCli.js.map
\ No newline at end of file
diff --git a/dist/utilities/writeIndexCli.js.map b/dist/utilities/writeIndexCli.js.map
new file mode 100644
index 0000000..89e14f0
--- /dev/null
+++ b/dist/utilities/writeIndexCli.js.map
@@ -0,0 +1 @@
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chalk.green('true') : chalk.red('false'));\n  } else {\n    log('Recursive:', options.recursive ? chalk.green('true') : chalk.red('false'));\n    log('Ignore unsafe:', options.ignoreUnsafe ? chalk.green('true') : chalk.red('false'));\n    log('Extensions:', chalk.green(options.extensions));\n  }\n\n  if (options.updateIndex || options.recursive) {\n    sortedDirectoryPaths = _.map(sortedDirectoryPaths, (directory) => {\n      return findIndexFiles(directory, {\n        fileName: options.updateIndex ? options.outputFile || 'index.js' : '*',\n        silent: options.updateIndex || options.ignoreUnsafe,\n      });\n    });\n    sortedDirectoryPaths = _.flatten(sortedDirectoryPaths);\n    sortedDirectoryPaths = _.uniq(sortedDirectoryPaths);\n    sortedDirectoryPaths = sortByDepth(sortedDirectoryPaths);\n\n    log('Updating index files in:', sortedDirectoryPaths.reverse().join(', '));\n  }\n\n  sortedDirectoryPaths = sortedDirectoryPaths.filter((directoryPath) => {\n    return validateTargetDirectory(directoryPath, {outputFile: options.outputFile,\n      silent: options.ignoreUnsafe});\n  });\n\n  _.forEach(sortedDirectoryPaths, (directoryPath) => {\n    let existingIndexCode;\n\n    const config = readIndexConfig(directoryPath, options);\n\n    const siblings = readDirectory(directoryPath, {\n      config,\n      extensions: options.extensions,\n      ignoreDirectories: options.ignoreDirectories,\n      silent: options.ignoreUnsafe,\n    });\n\n    const indexCode = createIndexCode(siblings, {\n      banner: options.banner,\n      config,\n    });\n\n    const indexFilePath = path.resolve(directoryPath, options.outputFile || 'index.js');\n\n    try {\n      existingIndexCode = fs.readFileSync(indexFilePath, 'utf8');\n\n      /* eslint-disable no-empty */\n    } catch {\n\n    }\n\n    /* eslint-enable no-empty */\n\n    fs.writeFileSync(indexFilePath, indexCode);\n\n    if (existingIndexCode && existingIndexCode === indexCode) {\n      log(indexFilePath, chalk.yellow('[index has not changed]'));\n    } else if (existingIndexCode && existingIndexCode !== indexCode) {\n      log(indexFilePath, chalk.green('[updated index]'));\n    } else {\n      log(indexFilePath, chalk.green('[created index]'));\n    }\n  });\n\n  log('Done');\n};\n"],"file":"writeIndexCli.js"}
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