Move Factorio server implementation to host

Move Factorio related code in lib that's only used by the host into the
host package.

test/integration/export.js

@@ -2,17 +2,18 @@
 const assert = require("assert").strict;
 const path = require("path");
 
-const lib = require("@clusterio/lib");
+const { _exportLocale } = require("@clusterio/host/src/export");
+const { FactorioServer } = require("@clusterio/host/src/server");
 
 
 describe("Integration of lib/factorio/export", function() {
 	describe("exportLocale()", function() {
 		it("returns a nested Map with base game locale information", async function() {
 			let writePath = path.join("temp", "test", "server");
-			let testServer = new lib.FactorioServer("factorio", writePath, {});
+			let testServer = new FactorioServer("factorio", writePath, {});
 			await testServer.init();
 
-			let locale = await lib._exportLocale(testServer, new Map(), ["base"], "en");
+			let locale = await _exportLocale(testServer, new Map(), ["base"], "en");
 
 			assert(locale instanceof Map, "locale is not a map");
 			assert.equal(locale.get("entity-name.fish"), "Fish");

test/integration/patch.js

@@ -4,7 +4,7 @@ const fs = require("fs-extra");
 const JSZip = require("jszip");
 const path = require("path");
 
-const lib = require("@clusterio/lib");
+const { patch } = require("@clusterio/host/src/patch");
 
 const { slowTest } = require("./index");
 
@@ -17,7 +17,7 @@ describe("Integration of lib/factorio/patch", function() {
 		let savePath = path.join("temp", "test", "integration", "saves", "test.zip");
 		it("should patch a freeplay game", async function() {
 			slowTest(this);
-			await lib.patch(savePath, [{
+			await patch(savePath, [{
 				name: "test",
 				version: "1.0.0",
 				dependencies: {},
@@ -39,7 +39,7 @@ describe("Integration of lib/factorio/patch", function() {
 		});
 		it("should remove old modules in a save", async function() {
 			slowTest(this);
-			await lib.patch(savePath, []);
+			await patch(savePath, []);
 			let zip = await JSZip.loadAsync(await fs.readFile(savePath));
 			assert.equal(zip.file("test/modules/test/test.lua"), null);
 		});

test/integration/server.js

@@ -5,15 +5,16 @@ const fs = require("fs-extra");
 const path = require("path");
 
 const lib = require("@clusterio/lib");
+const { FactorioServer, _getVersion } = require("@clusterio/host/src/server");
 const { logger } = lib;
 
 const { slowTest } = require("./index");
 
 
-describe("Integration of lib/factorio/server", function() {
+describe("Integration of host/src/server", function() {
 	describe("_getVersion()", function() {
 		it("should get a version from factorio's changelog.txt", async function() {
-			let version = await lib._getVersion(path.join("factorio", "data", "changelog.txt"));
+			let version = await _getVersion(path.join("factorio", "data", "changelog.txt"));
 			if (!/^\d+\.\d+\.\d+$/.test(version)) {
 				assert.fail(`Detected version '${version}' does not followed the format x.y.z`);
 			}
@@ -22,7 +23,7 @@ describe("Integration of lib/factorio/server", function() {
 
 	describe("class FactorioServer", function() {
 		let writePath = path.join("temp", "test", "integration");
-		let server = new lib.FactorioServer("factorio", writePath, {});
+		let server = new FactorioServer("factorio", writePath, {});
 		let logFile;
 
 		before(async function() {