node-red
This commit is contained in:
gongwenxin
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/**
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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 fs = require('fs');
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var runtime;
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function init(_runtime) {
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runtime = _runtime;
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}
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function getEntry(type,path) {
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var examples = runtime.nodes.getNodeExampleFlows()||{};
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var result = [];
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if (path === "") {
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return Promise.resolve(Object.keys(examples));
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} else {
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path = path.replace(/\/$/,"");
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var parts = path.split("/");
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var module = parts.shift();
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if (module[0] === "@") {
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module = module+"/"+parts.shift();
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}
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if (examples.hasOwnProperty(module)) {
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examples = examples[module];
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examples = parts.reduce(function(ex,k) {
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if (ex) {
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if (ex.d && ex.d[k]) {
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return ex.d[k]
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}
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if (ex.f && ex.f.indexOf(k) > -1) {
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return runtime.nodes.getNodeExampleFlowPath(module,parts.join("/"));
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}
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} else {
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return null;
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}
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},examples);
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if (!examples) {
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return new Promise(function (resolve,reject) {
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var error = new Error("not_found");
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error.code = "not_found";
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return reject(error);
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});
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} else if (typeof examples === 'string') {
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return new Promise(function(resolve,reject) {
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try {
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fs.readFile(examples,'utf8',function(err, data) {
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runtime.log.audit({event: "library.get",library:"_examples",type:"flow",path:path});
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if (err) {
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return reject(err);
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}
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return resolve(data);
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})
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} catch(err) {
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return reject(err);
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}
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});
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} else {
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if (examples.d) {
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for (var d in examples.d) {
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if (examples.d.hasOwnProperty(d)) {
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result.push(d);
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}
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}
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}
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if (examples.f) {
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examples.f.forEach(function(f) {
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result.push({fn:f})
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})
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}
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return Promise.resolve(result);
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}
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} else {
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return new Promise(function (resolve,reject) {
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var error = new Error("not_found");
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error.code = "not_found";
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return reject(error);
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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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id: "examples",
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label: "editor:library.types.examples",
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icon: "font-awesome/fa-life-ring",
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types: ["flows"],
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readOnly: true,
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init: init,
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getEntry: getEntry
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}
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@@ -0,0 +1,184 @@
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/**
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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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const {events,log} = require("@node-red/util")
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const knownTypes = {};
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const libraries = {};
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const libraryConfigs = {};
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const libraryPlugins = {};
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// Libraries defined in the settings file. Their configurations
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// cannot be modified in the editor.
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let runtimeLibraries = [];
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// Libraries defined by the user in the editor.
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let userLibraries = [];
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let runtime;
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function init(_runtime) {
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runtime = _runtime;
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events.removeListener("registry:plugin-added",onPluginAdded);
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events.on("registry:plugin-added",onPluginAdded);
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knownTypes.flows = 'node-red';
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libraries["local"] = require("./local");
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libraries["local"].init(runtime);
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libraryConfigs["local"] = libraries["local"]
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libraries["examples"] = require("./examples");
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libraries["examples"].init(runtime);
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libraryConfigs["examples"] = libraries["examples"]
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try {
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runtimeLibraries = runtime.settings.editorTheme.library.sources;
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} catch(err) {
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runtimeLibraries = [];
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}
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// userLibraries = runtime.settings.get("library")
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}
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function onPluginAdded(id) {
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const plugin = runtime.plugins.getPlugin(id);
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if (plugin.type === "node-red-library-source") {
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libraryPlugins[plugin.id] = plugin;
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runtimeLibraries.forEach(library => {
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if (library.type === id) {
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library.local = false;
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if (!/^[a-z0-9-_]+$/.test(library.id)) {
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log.warn(log._("library.failedToInit",{error:log._("library.invalidProperty",{prop:"id",value:library.id})}));
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return;
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}
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try {
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libraries[library.id] = new plugin.class(library)
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libraryConfigs[library.id] = library;
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libraryConfigs[library.id].type = id;
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if (libraries[library.id].init) {
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libraries[library.id].init().catch(err => {
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delete libraries[library.id];
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delete libraryConfigs[library.id];
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log.warn(log._("library.failedToInit",{library:library.id, error:err.toString()}));
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});
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}
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} catch(err) {
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log.warn(log._("library.failedToInit",{library:library.id, error:err.toString()}));
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}
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}
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})
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}
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}
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function registerType(id,type) {
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// TODO: would like to enforce this, but currently the tests register the same type multiple
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// times and have no way to remove themselves.
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// if (knownTypes.hasOwnProperty(type)) {
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// throw new Error(`Library type '${type}' already registered by ${id}'`)
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// }
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knownTypes[type] = id;
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}
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function getEntry(library,type,path) {
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if (!knownTypes.hasOwnProperty(type)) {
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throw new Error(log._("library.unknownType",{type: type}))
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}
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if (libraries.hasOwnProperty(library)) {
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return libraries[library].getEntry(type,path);
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} else {
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throw new Error(log._("library.unknownLibrary",{library: library}))
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}
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}
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function saveEntry(library,type,path,meta,body) {
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if (!knownTypes.hasOwnProperty(type)) {
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throw new Error(log._("library.unknownType",{type: type}))
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}
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if (libraries.hasOwnProperty(library)) {
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if (libraries[library].saveEntry) {
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return libraries[library].saveEntry(type,path,meta,body);
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} else {
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throw new Error(log._("library.readOnly",{library: library}))
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}
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} else {
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throw new Error(log._("library.unknownLibrary",{library: library}))
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}
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}
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function getLibraries() {
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const libraryList = []
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for (let id in libraries) {
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if (libraries.hasOwnProperty(id)) {
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var config = getConfig(id);
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// Don't include the full configuration of each library when providing
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// the list of all libraries
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delete config.config;
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libraryList.push(config);
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}
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}
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return libraryList;
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}
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function getConfig(id) {
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var lib = {
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id: id,
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label: libraryConfigs[id].label || id,
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user: false,
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icon: libraryConfigs[id].icon
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}
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if (libraryConfigs[id].types) {
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lib.types = libraryConfigs[id].types
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}
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if (libraryConfigs[id].readOnly) {
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lib.readOnly = libraryConfigs[id].readOnly
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}
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if (libraryConfigs[id].type) {
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lib.type = libraryConfigs[id].type;
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var def = libraryPlugins[lib.type];
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if (def && def.defaults) {
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lib.config = {};
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for (var d in def.defaults) {
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if (def.defaults.hasOwnProperty(d)) {
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if (def.defaults[d].type !== 'password') {
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lib.config[d] = libraryConfigs[id][d];
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} else if (!!libraryConfigs[id][d]) {
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lib.config["has_"+d] = true;
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}
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}
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}
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}
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}
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return lib;
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}
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module.exports = {
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init: init,
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getLibraries: getLibraries,
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// getConfig: getConfig,
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register: registerType,
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getEntry: getEntry,
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saveEntry: saveEntry
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}
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@@ -0,0 +1,39 @@
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/**
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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 runtime;
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var storage;
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function init(_runtime) {
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runtime = _runtime;
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storage = runtime.storage;
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}
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function getEntry(type,path) {
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return storage.getLibraryEntry(type,path);
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}
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function saveEntry(type,path,meta,body) {
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return storage.saveLibraryEntry(type,path,meta,body);
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}
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module.exports = {
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id: "local",
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label: "editor:library.types.local",
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icon: "font-awesome/fa-hdd-o",
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init: init,
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getEntry: getEntry,
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saveEntry: saveEntry
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}
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