Use relative imports in lib

Use relative imports in lib to avoid an issue with webpack thinking
absolute imports inside @clusterio/lib are for a separate module and
giving out warnings for it being missing in package.json.

packages/lib/command.js

@@ -7,8 +7,8 @@
  * @module lib/command
  */
 "use strict";
-const libLink = require("@clusterio/lib/link");
-const libErrors = require("@clusterio/lib/errors");
+const libLink = require("./link");
+const libErrors = require("./errors");
 
 /**
  * Represents a command that can be runned by clusterioctl

packages/lib/config/classes.js

@@ -4,7 +4,7 @@
 const events = require("events");
 
 const isDeepStrictEqual = require("../is_deep_strict_equal");
-const { basicType } = require("@clusterio/lib/helpers");
+const { basicType } = require("../helpers");
 
 
 /**

packages/lib/database.js

@@ -8,7 +8,7 @@
 "use strict";
 const fs = require("fs-extra");
 
-const { basicType } = require("@clusterio/lib/helpers");
+const { basicType } = require("./helpers");
 
 
 /**

packages/lib/factorio/export.js

@@ -6,7 +6,7 @@ const ini = require("ini");
 const Jimp = require("jimp");
 const JSZip = require("jszip");
 
-const libBuildMod = require("@clusterio/lib/build_mod");
+const libBuildMod = require("../build_mod");
 
 /**
  * Generate the export mod needed for exportData

packages/lib/factorio/patch.js

@@ -7,7 +7,7 @@ const JSZip = require("jszip");
 const path = require("path");
 const semver = require("semver");
 
-const libHash = require("@clusterio/lib/hash");
+const libHash = require("../hash");
 
 
 const knownScenarios = {

packages/lib/factorio/server.js

@@ -9,9 +9,9 @@ const crypto = require("crypto");
 
 const ini = require("ini");
 const rconClient = require("rcon-client");
-const libErrors = require("@clusterio/lib/errors");
-const { logger } = require("@clusterio/lib/logging");
-const { escapeRegExp } = require("@clusterio/lib/helpers");
+const libErrors = require("../errors");
+const { logger } = require("../logging");
+const { escapeRegExp } = require("../helpers");
 
 
 /**

packages/lib/link/connectors.js

@@ -3,9 +3,9 @@
 const events = require("events");
 const WebSocket = require("isomorphic-ws");
 
-const libSchema = require("@clusterio/lib/schema");
-const libErrors = require("@clusterio/lib/errors");
-const { logger } = require("@clusterio/lib/logging");
+const libSchema = require("../schema");
+const libErrors = require("../errors");
+const { logger } = require("../logging");
 
 
 /**

packages/lib/link/link.js

@@ -1,9 +1,9 @@
 // Implementation of Link class
 "use strict";
 
-const libSchema = require("@clusterio/lib/schema");
-const libErrors = require("@clusterio/lib/errors");
-const { logger } = require("@clusterio/lib/logging");
+const libSchema = require("../schema");
+const libErrors = require("../errors");
+const { logger } = require("../logging");
 const messages = require("./messages");
 
 // Some definitions for the terminology used here:

packages/lib/link/messages.js

@@ -1,8 +1,8 @@
 // Message definitions for links
 "use strict";
-const libSchema = require("@clusterio/lib/schema");
-const libErrors = require("@clusterio/lib/errors");
-const { logger } = require("@clusterio/lib/logging");
+const libSchema = require("../schema");
+const libErrors = require("../errors");
+const { logger } = require("../logging");
 
 class MissingLinkHandlerError extends Error {
 	constructor(type, source, target) {

packages/lib/logging_utils.js

@@ -4,8 +4,8 @@ const Transport = require("winston-transport");
 const { LEVEL, MESSAGE } = require("triple-beam");
 const chalk = require("chalk");
 
-const libLink = require("@clusterio/lib/link");
-const libErrors = require("@clusterio/lib/errors");
+const libLink = require("./link");
+const libErrors = require("./errors");
 
 
 /**

packages/lib/plugin_loader.js

@@ -5,7 +5,7 @@
  */
 "use strict";
 
-const libErrors = require("@clusterio/lib/errors");
+const libErrors = require("./errors");
 const path = require("path");
 
 

packages/lib/shared_commands.js

@@ -6,9 +6,9 @@
 const fs = require("fs-extra");
 const path = require("path");
 
-const libConfig = require("@clusterio/lib/config");
-const { logger } = require("@clusterio/lib/logging");
-const libHelpers = require("@clusterio/lib/helpers");
+const libConfig = require("./config");
+const { logger } = require("./logging");
+const libHelpers = require("./helpers");
 
 
 function print(...content) {