		@@ -5,2 +5,12 @@ # Change Log

		<a name="2.1.0"></a>
		# [2.1.0](https://github.com/peerigon/parse-domain/compare/v2.0.0...v2.1.0) (2018-05-30)


		### Features

		* Use trie data structure to decrease file size ([#33](https://github.com/peerigon/parse-domain/issues/33)) ([59f951b](https://github.com/peerigon/parse-domain/commit/59f951b))



		<a name="2.0.0"></a>
		@@ -7,0 +17,0 @@ # [2.0.0](https://github.com/peerigon/parse-domain/compare/v1.2.0...v2.0.0) (2017-12-03)

lib/parseDomain.js

		"use strict";

		const knownTlds = require("./tld.js");
		const normalize = require("./normalize.js");
		const lookUp = require("./tries/lookUp");
		const icannTrie = require("../lists/icann.complete");
		const privateTrie = require("../lists/private.complete");

		const urlParts = /^(https?:\/\/)?([^/]@)?(.+?)(:\d{2,5})?([/?].)?$/; // 1 = protocol, 2 = auth, 3 = domain, 4 = port, 5 = path
		const dot = /\./g;
		const emptyArr = [];

		function matchTld(domain, options) {
		let tld = null;

		// for potentially unrecognized tlds, try matching against custom tlds
		if (options.customTlds) {
		// try matching against a built regexp of custom tlds
		tld = domain.match(options.customTlds);
		const tld = domain.match(options.customTlds);

		if (tld !== null) {
		return tld[0];
		}
		}

		// If no custom tlds, check if tld is supported
		if (tld === null) {
		tld = domain.match(options.privateTlds ? knownTlds : knownTlds.icann);
		if (tld === null) {
		return null;
		const tries = (options.privateTlds ? [privateTrie] : emptyArr).concat(icannTrie);

		for (const trie of tries) {
		const tld = lookUp(trie, domain);

		if (tld !== null) {
		return "." + tld;
		}
		}

		return tld[0];
		return null;
		}
		@@ -28,0 +35,0 @@

package.json

		{
		"name": "parse-domain",
		"version": "2.0.0",
		"version": "2.1.0",
		"description": "Splits an url into sub-domain, domain and effective top-level-domain",
		@@ -9,5 +9,3 @@ "main": "./lib/parseDomain.js",
		"posttest": "eslint lib test",
		"download-tld": "curl https://publicsuffix.org/list/public_suffix_list.dat > lib/build/tld.txt",
		"build-regex": "node lib/build/buildRegex.js",
		"update-regex": "npm run download-tld && npm run build-regex && npm run test",
		"postinstall": "node scripts/build-tries.js",
		"release": "standard-version"
		@@ -32,5 +30,10 @@ },
		"license": "Unlicense",
		"dependencies": {},
		"dependencies": {
		"chai": "^4.1.2",
		"fs-copy-file-sync": "^1.1.1",
		"got": "^8.0.1",
		"mkdirp": "^0.5.1",
		"mocha": "^4.0.1"
		},
		"devDependencies": {
		"chai": "^4.1.2",
		"eslint": "^4.12.1",
		@@ -40,3 +43,2 @@ "eslint-config-peerigon": "^12.0.1",
		"eslint-plugin-jsdoc": "^3.2.0",
		"mocha": "^4.0.1",
		"nyc": "^11.3.0",
		@@ -46,4 +48,8 @@ "standard-version": "^4.2.0"
		"files": [
		"lib"
		"lib",
		"scripts",
		"lists",
		"test",
		"build/tries/pre"
		]
		}

README.md

		@@ -13,2 +13,4 @@ parse-domain

		This module uses a [trie](https://en.wikipedia.org/wiki/Trie) data structure under the hood to ensure the smallest possible library size and the fastest lookup. The library is roughly 30KB minified and gzipped. Since publicsuffix.org is frequently updated, the data structure is built on `npm install` as a `postinstall` hook. If something goes wrong during that step, the library falls back to a prebuilt list that has been built at the time of publishing.

		<br />
		@@ -20,3 +22,3 @@
		```sh
		npm install --save parse-domain
		npm install parse-domain
		```
		@@ -23,0 +25,0 @@

lib/build/buildRegex.js

lib/build/tld.txt

lib/tld.js

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