mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
259 lines
9.3 KiB
JavaScript
259 lines
9.3 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var path = require("path");
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var fs = require("fs");
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var registry = require("./registry");
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var library = require("./library");
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var log;
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var exec;
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var events;
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var child_process = require('child_process');
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var npmCommand = process.platform === 'win32' ? 'npm.cmd' : 'npm';
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var paletteEditorEnabled = false;
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var settings;
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var moduleRe = /^(@[^/]+?[/])?[^/]+?$/;
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var slashRe = process.platform === "win32" ? /\\|[/]/ : /[/]/;
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function init(runtime) {
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events = runtime.events;
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settings = runtime.settings;
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log = runtime.log;
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exec = runtime.exec;
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}
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var activePromise = Promise.resolve();
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function checkModulePath(folder) {
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var moduleName;
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var err;
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var fullPath = path.resolve(folder);
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var packageFile = path.join(fullPath,'package.json');
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try {
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var pkg = require(packageFile);
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moduleName = pkg.name;
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if (!pkg['node-red']) {
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// TODO: nls
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err = new Error("Invalid Node-RED module");
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err.code = 'invalid_module';
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throw err;
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}
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} catch(err2) {
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err = new Error("Module not found");
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err.code = 404;
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throw err;
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}
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return moduleName;
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}
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function checkExistingModule(module,version) {
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var info = registry.getModuleInfo(module);
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if (info) {
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if (!version || info.version === version) {
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var err = new Error("Module already loaded");
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err.code = "module_already_loaded";
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throw err;
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}
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return true;
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}
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return false;
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}
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function installModule(module,version) {
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activePromise = activePromise.then(() => {
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//TODO: ensure module is 'safe'
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return new Promise((resolve,reject) => {
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var installName = module;
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var isUpgrade = false;
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try {
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if (moduleRe.test(module)) {
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// Simple module name - assume it can be npm installed
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if (version) {
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installName += "@"+version;
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}
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} else if (slashRe.test(module)) {
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// A path - check if there's a valid package.json
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installName = module;
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module = checkModulePath(module);
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}
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isUpgrade = checkExistingModule(module,version);
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} catch(err) {
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return reject(err);
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}
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if (!isUpgrade) {
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log.info(log._("server.install.installing",{name: module,version: version||"latest"}));
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} else {
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log.info(log._("server.install.upgrading",{name: module,version: version||"latest"}));
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}
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var installDir = settings.userDir || process.env.NODE_RED_HOME || ".";
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var args = ['install','--save','--save-prefix="~"','--production',installName];
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log.trace(npmCommand + JSON.stringify(args));
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exec.run(npmCommand,args,{
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cwd: installDir
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}, true).then(result => {
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if (!isUpgrade) {
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log.info(log._("server.install.installed",{name:module}));
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resolve(require("./index").addModule(module).then(reportAddedModules));
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} else {
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log.info(log._("server.install.upgraded",{name:module, version:version}));
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events.emit("runtime-event",{id:"restart-required",payload:{type:"warning",text:"notification.warnings.restartRequired"},retain:true});
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resolve(require("./registry").setModulePendingUpdated(module,version));
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}
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}).catch(result => {
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var output = result.stderr;
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var e;
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var lookFor404 = new RegExp(" 404 .*"+module,"m");
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var lookForVersionNotFound = new RegExp("version not found: "+module+"@"+version,"m");
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if (lookFor404.test(output)) {
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log.warn(log._("server.install.install-failed-not-found",{name:module}));
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e = new Error("Module not found");
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e.code = 404;
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reject(e);
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} else if (isUpgrade && lookForVersionNotFound.test(output)) {
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log.warn(log._("server.install.upgrade-failed-not-found",{name:module}));
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e = new Error("Module not found");
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e.code = 404;
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reject(e);
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} else {
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log.warn(log._("server.install.install-failed-long",{name:module}));
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log.warn("------------------------------------------");
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log.warn(output);
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log.warn("------------------------------------------");
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reject(new Error(log._("server.install.install-failed")));
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}
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})
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});
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}).catch(err => {
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// In case of error, reset activePromise to be resolvable
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activePromise = Promise.resolve();
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throw err;
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});
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return activePromise;
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}
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function reportAddedModules(info) {
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//comms.publish("node/added",info.nodes,false);
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if (info.nodes.length > 0) {
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log.info(log._("server.added-types"));
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for (var i=0;i<info.nodes.length;i++) {
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for (var j=0;j<info.nodes[i].types.length;j++) {
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log.info(" - "+
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(info.nodes[i].module?info.nodes[i].module+":":"")+
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info.nodes[i].types[j]+
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(info.nodes[i].err?" : "+info.nodes[i].err:"")
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);
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}
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}
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}
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return info;
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}
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function reportRemovedModules(removedNodes) {
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//comms.publish("node/removed",removedNodes,false);
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log.info(log._("server.removed-types"));
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for (var j=0;j<removedNodes.length;j++) {
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for (var i=0;i<removedNodes[j].types.length;i++) {
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log.info(" - "+(removedNodes[j].module?removedNodes[j].module+":":"")+removedNodes[j].types[i]);
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}
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}
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return removedNodes;
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}
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function uninstallModule(module) {
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activePromise = activePromise.then(() => {
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return new Promise((resolve,reject) => {
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if (/[\s;]/.test(module)) {
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reject(new Error(log._("server.install.invalid")));
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return;
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}
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var installDir = settings.userDir || process.env.NODE_RED_HOME || ".";
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var moduleDir = path.join(installDir,"node_modules",module);
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try {
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fs.statSync(moduleDir);
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} catch(err) {
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return reject(new Error(log._("server.install.uninstall-failed",{name:module})));
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}
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var list = registry.removeModule(module);
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log.info(log._("server.install.uninstalling",{name:module}));
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var args = ['remove','--save',module];
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log.trace(npmCommand + JSON.stringify(args));
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exec.run(npmCommand,args,{
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cwd: installDir,
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},true).then(result => {
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log.info(log._("server.install.uninstalled",{name:module}));
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reportRemovedModules(list);
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library.removeExamplesDir(module);
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resolve(list);
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}).catch(result => {
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var output = result.stderr;
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log.warn(log._("server.install.uninstall-failed-long",{name:module}));
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log.warn("------------------------------------------");
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log.warn(output.toString());
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log.warn("------------------------------------------");
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reject(new Error(log._("server.install.uninstall-failed",{name:module})));
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});
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});
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}).catch(err => {
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// In case of error, reset activePromise to be resolvable
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activePromise = Promise.resolve();
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throw err;
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});
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return activePromise;
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}
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function checkPrereq() {
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if (settings.hasOwnProperty('editorTheme') &&
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settings.editorTheme.hasOwnProperty('palette') &&
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settings.editorTheme.palette.hasOwnProperty('editable') &&
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settings.editorTheme.palette.editable === false
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) {
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log.info(log._("server.palette-editor.disabled"));
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paletteEditorEnabled = false;
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return Promise.resolve();
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} else {
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return new Promise(resolve => {
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child_process.execFile(npmCommand,['-v'],function(err) {
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if (err) {
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log.info(log._("server.palette-editor.npm-not-found"));
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paletteEditorEnabled = false;
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} else {
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paletteEditorEnabled = true;
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}
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resolve();
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});
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})
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}
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}
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module.exports = {
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init: init,
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checkPrereq: checkPrereq,
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installModule: installModule,
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uninstallModule: uninstallModule,
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paletteEditorEnabled: function() {
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return paletteEditorEnabled
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}
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}
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