mirror of https://github.com/node-red/node-red.git
671 lines
27 KiB
JavaScript
671 lines
27 KiB
JavaScript
/**
|
|
* Copyright JS Foundation and other contributors, http://js.foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
**/
|
|
var clone = require("clone");
|
|
var redUtil = require("@node-red/util").util;
|
|
var Log = require("@node-red/util").log;
|
|
var subflowInstanceRE = /^subflow:(.+)$/;
|
|
var typeRegistry = require("@node-red/registry");
|
|
const credentials = require("../nodes/credentials");
|
|
|
|
let _runtime = null;
|
|
|
|
var envVarExcludes = {};
|
|
|
|
function diffNodes(oldNode,newNode) {
|
|
if (oldNode == null) {
|
|
return true;
|
|
}
|
|
var oldKeys = Object.keys(oldNode).filter(function(p) { return p != "x" && p != "y" && p != "wires" });
|
|
var newKeys = Object.keys(newNode).filter(function(p) { return p != "x" && p != "y" && p != "wires" });
|
|
if (oldKeys.length != newKeys.length) {
|
|
return true;
|
|
}
|
|
for (var i=0;i<newKeys.length;i++) {
|
|
var p = newKeys[i];
|
|
if (!redUtil.compareObjects(oldNode[p],newNode[p])) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
var EnvVarPropertyRE_old = /^\$\((\S+)\)$/;
|
|
var EnvVarPropertyRE = /^\${(\S+)}$/;
|
|
|
|
|
|
function mapEnvVarProperties(obj,prop,flow,config) {
|
|
var v = obj[prop];
|
|
if (Buffer.isBuffer(v)) {
|
|
return;
|
|
} else if (Array.isArray(v)) {
|
|
for (var i=0;i<v.length;i++) {
|
|
mapEnvVarProperties(v,i,flow,config);
|
|
}
|
|
} else if (typeof obj[prop] === 'string') {
|
|
if (obj[prop][0] === "$" && (EnvVarPropertyRE_old.test(v) || EnvVarPropertyRE.test(v)) ) {
|
|
var envVar = v.substring(2,v.length-1);
|
|
var r = redUtil.getSetting(config, envVar, flow);
|
|
obj[prop] = r ? r : obj[prop];
|
|
}
|
|
} else {
|
|
for (var p in v) {
|
|
if (v.hasOwnProperty(p)) {
|
|
mapEnvVarProperties(v,p,flow,config);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
async function evaluateEnvProperties(flow, env, credentials) {
|
|
const pendingEvaluations = []
|
|
const evaluatedEnv = {}
|
|
const envTypes = []
|
|
for (let i = 0; i < env.length; i++) {
|
|
let { name, value, type } = env[i]
|
|
if (type === "env") {
|
|
// Do env types last as they may include references to other env vars
|
|
// at this level which need to be resolved before they can be looked-up
|
|
envTypes.push(env[i])
|
|
} else if (type === "bool") {
|
|
value = (value === "true") || (value === true);
|
|
} else if (type === "cred") {
|
|
if (credentials.hasOwnProperty(name)) {
|
|
value = credentials[name];
|
|
}
|
|
} else if (type ==='jsonata') {
|
|
pendingEvaluations.push(new Promise((resolve, _) => {
|
|
redUtil.evaluateNodeProperty(value, 'jsonata', {_flow: flow}, null, (err, result) => {
|
|
if (!err) {
|
|
evaluatedEnv[name] = result
|
|
}
|
|
resolve()
|
|
});
|
|
}))
|
|
} else {
|
|
value = redUtil.evaluateNodeProperty(value, type, {_flow: flow}, null, null);
|
|
}
|
|
evaluatedEnv[name] = value
|
|
}
|
|
if (pendingEvaluations.length > 0) {
|
|
await Promise.all(pendingEvaluations)
|
|
}
|
|
for (let i = 0; i < envTypes.length; i++) {
|
|
let { name, value, type } = envTypes[i]
|
|
// If an env-var wants to lookup itself, delegate straight to the parent
|
|
// https://github.com/node-red/node-red/issues/2099
|
|
if (value === name) {
|
|
value = `$parent.${name}`
|
|
}
|
|
if (evaluatedEnv.hasOwnProperty(value)) {
|
|
value = evaluatedEnv[value]
|
|
} else {
|
|
value = redUtil.evaluateNodeProperty(value, type, {_flow: flow}, null, null);
|
|
}
|
|
evaluatedEnv[name] = value
|
|
}
|
|
|
|
return evaluatedEnv
|
|
}
|
|
|
|
async function createNode(flow,config) {
|
|
var newNode = null;
|
|
var type = config.type;
|
|
try {
|
|
var nodeTypeConstructor = typeRegistry.get(type);
|
|
if (typeof nodeTypeConstructor === "function") {
|
|
var conf = clone(config);
|
|
delete conf.credentials;
|
|
try {
|
|
Object.defineProperty(conf,'_module', {value: typeRegistry.getNodeInfo(type), enumerable: false, writable: true })
|
|
Object.defineProperty(conf,'_flow', {value: flow, enumerable: false, writable: true })
|
|
Object.defineProperty(conf,'_path', {value: `${flow.path}/${config._alias||config.id}`, enumerable: false, writable: true })
|
|
|
|
for (var p in conf) {
|
|
if (conf.hasOwnProperty(p)) {
|
|
mapEnvVarProperties(conf,p,flow,conf);
|
|
}
|
|
}
|
|
newNode = new nodeTypeConstructor(conf);
|
|
} catch (err) {
|
|
Log.log({
|
|
level: Log.ERROR,
|
|
id:conf.id,
|
|
type: type,
|
|
msg: err
|
|
});
|
|
}
|
|
} else if (nodeTypeConstructor) {
|
|
// console.log(nodeTypeConstructor)
|
|
var subflowConfig = parseConfig([nodeTypeConstructor.subflow].concat(nodeTypeConstructor.subflow.flow));
|
|
var subflowInstanceConfig = subflowConfig.subflows[nodeTypeConstructor.subflow.id];
|
|
delete subflowConfig.subflows[nodeTypeConstructor.subflow.id];
|
|
subflowInstanceConfig.subflows = subflowConfig.subflows;
|
|
var instanceConfig = clone(config);
|
|
instanceConfig.env = clone(nodeTypeConstructor.subflow.env);
|
|
|
|
instanceConfig.env = nodeTypeConstructor.subflow.env.map(nodeProp => {
|
|
var nodePropType;
|
|
var nodePropValue = config[nodeProp.name];
|
|
if (nodeProp.type === "cred") {
|
|
nodePropType = "cred";
|
|
} else {
|
|
switch(typeof config[nodeProp.name]) {
|
|
case "string": nodePropType = "str"; break;
|
|
case "number": nodePropType = "num"; break;
|
|
case "boolean": nodePropType = "bool"; nodePropValue == nodeProp?"true":"false"; break;
|
|
default:
|
|
nodePropType = config[nodeProp.name].type;
|
|
nodePropValue = config[nodeProp.name].value;
|
|
}
|
|
}
|
|
return {
|
|
name: nodeProp.name,
|
|
type: nodePropType,
|
|
value: nodePropValue
|
|
}
|
|
})
|
|
|
|
var subflow = require("./Subflow").createModuleInstance(
|
|
nodeTypeConstructor.type,
|
|
flow,
|
|
flow.global,
|
|
subflowInstanceConfig,
|
|
instanceConfig
|
|
);
|
|
// Register this subflow as an instance node of the parent flow.
|
|
// This allows nodes inside the subflow to get ahold of each other
|
|
// such as a node accessing its config node
|
|
flow.subflowInstanceNodes[config.id] = subflow
|
|
await subflow.start();
|
|
return subflow.node;
|
|
}
|
|
} catch(err) {
|
|
Log.error(err);
|
|
}
|
|
return newNode;
|
|
}
|
|
|
|
function parseConfig(config) {
|
|
var flow = {};
|
|
flow.allNodes = {};
|
|
flow.subflows = {};
|
|
flow.configs = {};
|
|
flow.flows = {};
|
|
flow.missingTypes = [];
|
|
|
|
config.forEach(function (n) {
|
|
flow.allNodes[n.id] = clone(n);
|
|
if (n.type === 'tab') {
|
|
flow.flows[n.id] = n;
|
|
flow.flows[n.id].subflows = {};
|
|
flow.flows[n.id].configs = {};
|
|
flow.flows[n.id].nodes = {};
|
|
flow.flows[n.id].groups = {};
|
|
} else if (n.type === 'subflow') {
|
|
flow.subflows[n.id] = n;
|
|
flow.subflows[n.id].configs = {};
|
|
flow.subflows[n.id].nodes = {};
|
|
flow.subflows[n.id].groups = {};
|
|
flow.subflows[n.id].instances = [];
|
|
}
|
|
});
|
|
|
|
var linkWires = {};
|
|
var linkOutNodes = [];
|
|
config.forEach(function (n) {
|
|
if (n.type !== 'subflow' && n.type !== 'tab' && n.type !== 'group') {
|
|
var subflowDetails = subflowInstanceRE.exec(n.type);
|
|
|
|
if ((subflowDetails && !flow.subflows[subflowDetails[1]]) || (!subflowDetails && !typeRegistry.get(n.type))) {
|
|
if (flow.missingTypes.indexOf(n.type) === -1) {
|
|
flow.missingTypes.push(n.type);
|
|
}
|
|
}
|
|
var container = null;
|
|
if (flow.flows[n.z]) {
|
|
container = flow.flows[n.z];
|
|
} else if (flow.subflows[n.z]) {
|
|
container = flow.subflows[n.z];
|
|
}
|
|
if (n.hasOwnProperty('x') && n.hasOwnProperty('y')) {
|
|
if (subflowDetails) {
|
|
var subflowType = subflowDetails[1]
|
|
n.subflow = subflowType;
|
|
if (flow.subflows[subflowType]) {
|
|
flow.subflows[subflowType].instances.push(n)
|
|
}
|
|
}
|
|
if (container) {
|
|
container.nodes[n.id] = n;
|
|
}
|
|
} else {
|
|
if (container) {
|
|
container.configs[n.id] = n;
|
|
} else {
|
|
flow.configs[n.id] = n;
|
|
flow.configs[n.id]._users = [];
|
|
}
|
|
}
|
|
if (n.type === 'link in' && n.links) {
|
|
// Ensure wires are present in corresponding link out nodes
|
|
n.links.forEach(function (id) {
|
|
linkWires[id] = linkWires[id] || {};
|
|
linkWires[id][n.id] = true;
|
|
})
|
|
} else if (n.type === 'link out' && n.links) {
|
|
linkWires[n.id] = linkWires[n.id] || {};
|
|
n.links.forEach(function (id) {
|
|
linkWires[n.id][id] = true;
|
|
})
|
|
linkOutNodes.push(n);
|
|
}
|
|
} else if (n.type === 'group') {
|
|
const parentContainer = flow.flows[n.z] || flow.subflows[n.z]
|
|
if (parentContainer) {
|
|
parentContainer.groups[n.id] = n
|
|
}
|
|
}
|
|
});
|
|
linkOutNodes.forEach(function (n) {
|
|
var links = linkWires[n.id];
|
|
var targets = Object.keys(links);
|
|
n.wires = [targets];
|
|
});
|
|
|
|
|
|
var addedTabs = {};
|
|
config.forEach(function (n) {
|
|
if (n.type !== 'subflow' && n.type !== 'tab' && n.type !== 'group') {
|
|
for (var prop in n) {
|
|
if (n.hasOwnProperty(prop) && prop !== 'id' && prop !== 'wires' && prop !== 'type' && prop !== '_users' && flow.configs.hasOwnProperty(n[prop])) {
|
|
// This property references a global config node
|
|
flow.configs[n[prop]]._users.push(n.id)
|
|
}
|
|
}
|
|
if (n.z && !flow.subflows[n.z]) {
|
|
|
|
if (!flow.flows[n.z]) {
|
|
flow.flows[n.z] = { type: 'tab', id: n.z };
|
|
flow.flows[n.z].subflows = {};
|
|
flow.flows[n.z].configs = {};
|
|
flow.flows[n.z].nodes = {};
|
|
addedTabs[n.z] = flow.flows[n.z];
|
|
}
|
|
if (addedTabs[n.z]) {
|
|
if (n.hasOwnProperty('x') && n.hasOwnProperty('y')) {
|
|
addedTabs[n.z].nodes[n.id] = n;
|
|
} else {
|
|
addedTabs[n.z].configs[n.id] = n;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
return flow;
|
|
}
|
|
|
|
function getGlobalEnv(name) {
|
|
const nodes = _runtime.nodes;
|
|
if (!nodes) {
|
|
return null;
|
|
}
|
|
const gconf = nodes.getGlobalConfig();
|
|
const env = gconf ? gconf.env : null;
|
|
|
|
if (env) {
|
|
const cred = (gconf ? credentials.get(gconf.id) : null) || {
|
|
map: {}
|
|
};
|
|
const map = cred.map;
|
|
|
|
for (let i = 0; i < env.length; i++) {
|
|
const item = env[i];
|
|
if (item.name === name) {
|
|
if (item.type === "cred") {
|
|
return {
|
|
name: name,
|
|
value: map[name],
|
|
type: "cred"
|
|
};
|
|
}
|
|
return item;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
module.exports = {
|
|
init: function(runtime) {
|
|
_runtime = runtime;
|
|
envVarExcludes = {};
|
|
if (runtime.settings.hasOwnProperty('envVarExcludes') && Array.isArray(runtime.settings.envVarExcludes)) {
|
|
runtime.settings.envVarExcludes.forEach(v => envVarExcludes[v] = true);
|
|
}
|
|
},
|
|
getEnvVar: function(k) {
|
|
if (!envVarExcludes[k]) {
|
|
const item = getGlobalEnv(k);
|
|
if (item) {
|
|
const val = redUtil.evaluateNodeProperty(item.value, item.type, null, null, null);
|
|
return val;
|
|
}
|
|
return process.env[k];
|
|
}
|
|
return undefined;
|
|
},
|
|
|
|
diffNodes,
|
|
mapEnvVarProperties,
|
|
evaluateEnvProperties,
|
|
parseConfig,
|
|
|
|
diffConfigs: function(oldConfig, newConfig) {
|
|
var id;
|
|
var node;
|
|
var nn;
|
|
var wires;
|
|
var j,k;
|
|
|
|
if (!oldConfig) {
|
|
oldConfig = {
|
|
flows:{},
|
|
allNodes:{}
|
|
}
|
|
}
|
|
var changedSubflows = {};
|
|
|
|
var added = {};
|
|
var removed = {};
|
|
var changed = {};
|
|
var wiringChanged = {};
|
|
|
|
var linkMap = {};
|
|
|
|
var changedTabs = {};
|
|
|
|
// Look for tabs that have been removed
|
|
for (id in oldConfig.flows) {
|
|
if (oldConfig.flows.hasOwnProperty(id) && (!newConfig.flows.hasOwnProperty(id))) {
|
|
removed[id] = oldConfig.allNodes[id];
|
|
}
|
|
}
|
|
|
|
// Look for tabs that have been disabled
|
|
for (id in oldConfig.flows) {
|
|
if (oldConfig.flows.hasOwnProperty(id) && newConfig.flows.hasOwnProperty(id)) {
|
|
var originalState = oldConfig.flows[id].disabled||false;
|
|
var newState = newConfig.flows[id].disabled||false;
|
|
if (originalState !== newState) {
|
|
changedTabs[id] = true;
|
|
if (originalState) {
|
|
added[id] = oldConfig.allNodes[id];
|
|
} else {
|
|
removed[id] = oldConfig.allNodes[id];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (id in oldConfig.allNodes) {
|
|
if (oldConfig.allNodes.hasOwnProperty(id)) {
|
|
node = oldConfig.allNodes[id];
|
|
if (node.type !== 'tab') {
|
|
// build the map of what this node was previously wired to
|
|
if (node.wires) {
|
|
linkMap[node.id] = linkMap[node.id] || [];
|
|
for (j=0;j<node.wires.length;j++) {
|
|
wires = node.wires[j];
|
|
for (k=0;k<wires.length;k++) {
|
|
linkMap[node.id].push(wires[k]);
|
|
nn = oldConfig.allNodes[wires[k]];
|
|
if (nn) {
|
|
linkMap[nn.id] = linkMap[nn.id] || [];
|
|
linkMap[nn.id].push(node.id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// This node has been removed or its flow disabled
|
|
if (removed[node.z] || !newConfig.allNodes.hasOwnProperty(id)) {
|
|
removed[id] = node;
|
|
// Mark the container as changed
|
|
if (!removed[node.z] && newConfig.allNodes[removed[id].z]) {
|
|
changed[removed[id].z] = newConfig.allNodes[removed[id].z];
|
|
if (changed[removed[id].z].type === "subflow") {
|
|
changedSubflows[removed[id].z] = changed[removed[id].z];
|
|
//delete removed[id];
|
|
}
|
|
}
|
|
} else {
|
|
if (added[node.z]) {
|
|
added[id] = node;
|
|
} else {
|
|
var currentState = node.d;
|
|
var newState = newConfig.allNodes[id].d;
|
|
if (!currentState && newState) {
|
|
removed[id] = node;
|
|
}
|
|
// This node has a material configuration change
|
|
if (diffNodes(node,newConfig.allNodes[id]) || newConfig.allNodes[id].credentials) {
|
|
changed[id] = newConfig.allNodes[id];
|
|
if (changed[id].type === "subflow") {
|
|
changedSubflows[id] = changed[id];
|
|
}
|
|
// Mark the container as changed
|
|
if (newConfig.allNodes[changed[id].z]) {
|
|
changed[changed[id].z] = newConfig.allNodes[changed[id].z];
|
|
if (changed[changed[id].z].type === "subflow") {
|
|
changedSubflows[changed[id].z] = changed[changed[id].z];
|
|
delete changed[id];
|
|
}
|
|
}
|
|
}
|
|
// This node's wiring has changed
|
|
if (!redUtil.compareObjects(node.wires,newConfig.allNodes[id].wires)) {
|
|
wiringChanged[id] = newConfig.allNodes[id];
|
|
// Mark the container as changed
|
|
if (newConfig.allNodes[wiringChanged[id].z]) {
|
|
changed[wiringChanged[id].z] = newConfig.allNodes[wiringChanged[id].z];
|
|
if (changed[wiringChanged[id].z].type === "subflow") {
|
|
changedSubflows[wiringChanged[id].z] = changed[wiringChanged[id].z];
|
|
delete wiringChanged[id];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Look for added nodes
|
|
for (id in newConfig.allNodes) {
|
|
if (newConfig.allNodes.hasOwnProperty(id)) {
|
|
node = newConfig.allNodes[id];
|
|
// build the map of what this node is now wired to
|
|
if (node.wires) {
|
|
linkMap[node.id] = linkMap[node.id] || [];
|
|
for (j=0;j<node.wires.length;j++) {
|
|
wires = node.wires[j];
|
|
for (k=0;k<wires.length;k++) {
|
|
if (linkMap[node.id].indexOf(wires[k]) === -1) {
|
|
linkMap[node.id].push(wires[k]);
|
|
}
|
|
nn = newConfig.allNodes[wires[k]];
|
|
if (nn) {
|
|
linkMap[nn.id] = linkMap[nn.id] || [];
|
|
if (linkMap[nn.id].indexOf(node.id) === -1) {
|
|
linkMap[nn.id].push(node.id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// This node has been added
|
|
if (!oldConfig.allNodes.hasOwnProperty(id)) {
|
|
added[id] = node;
|
|
// Mark the container as changed
|
|
if (newConfig.allNodes[added[id].z]) {
|
|
changed[added[id].z] = newConfig.allNodes[added[id].z];
|
|
if (changed[added[id].z].type === "subflow") {
|
|
changedSubflows[added[id].z] = changed[added[id].z];
|
|
delete added[id];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var madeChange;
|
|
// Loop through the nodes looking for references to changed config nodes
|
|
// Repeat the loop if anything is marked as changed as it may need to be
|
|
// propagated to parent nodes.
|
|
// TODO: looping through all nodes every time is a bit inefficient - could be more targeted
|
|
do {
|
|
madeChange = false;
|
|
for (id in newConfig.allNodes) {
|
|
if (newConfig.allNodes.hasOwnProperty(id)) {
|
|
node = newConfig.allNodes[id];
|
|
for (var prop in node) {
|
|
if (node.hasOwnProperty(prop) && prop != "z" && prop != "id" && prop != "wires") {
|
|
// This node has a property that references a changed/removed node
|
|
// Assume it is a config node change and mark this node as
|
|
// changed.
|
|
|
|
var changeOrigin = changed[node[prop]];
|
|
if (changeOrigin || removed[node[prop]]) {
|
|
if (!changed[node.id]) {
|
|
if (changeOrigin &&
|
|
(prop === "g") &&
|
|
(changeOrigin.type === "group")) {
|
|
var oldNode = oldConfig.allNodes[node.id];
|
|
// ignore change of group node
|
|
// if group of this node not changed
|
|
if (oldNode &&
|
|
(node.g === oldNode.g)) {
|
|
continue;
|
|
}
|
|
}
|
|
madeChange = true;
|
|
changed[node.id] = node;
|
|
// This node exists within subflow template
|
|
// Mark the template as having changed
|
|
if (newConfig.allNodes[node.z]) {
|
|
changed[node.z] = newConfig.allNodes[node.z];
|
|
if (changed[node.z].type === "subflow") {
|
|
changedSubflows[node.z] = changed[node.z];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} while (madeChange===true)
|
|
|
|
// Find any nodes that exist on a subflow template and remove from changed
|
|
// list as the parent subflow will now be marked as containing a change
|
|
for (id in newConfig.allNodes) {
|
|
if (newConfig.allNodes.hasOwnProperty(id)) {
|
|
node = newConfig.allNodes[id];
|
|
if (newConfig.allNodes[node.z] && newConfig.allNodes[node.z].type === "subflow") {
|
|
delete changed[node.id];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Recursively mark all instances of changed subflows as changed
|
|
var changedSubflowStack = Object.keys(changedSubflows);
|
|
while (changedSubflowStack.length > 0) {
|
|
var subflowId = changedSubflowStack.pop();
|
|
for (id in newConfig.allNodes) {
|
|
if (newConfig.allNodes.hasOwnProperty(id)) {
|
|
node = newConfig.allNodes[id];
|
|
if (node.type === 'subflow:'+subflowId) {
|
|
if (!changed[node.id]) {
|
|
changed[node.id] = node;
|
|
if (!changed[changed[node.id].z] && newConfig.allNodes[changed[node.id].z]) {
|
|
changed[changed[node.id].z] = newConfig.allNodes[changed[node.id].z];
|
|
if (newConfig.allNodes[changed[node.id].z].type === "subflow") {
|
|
// This subflow instance is inside a subflow. Add the
|
|
// containing subflow to the stack to mark
|
|
changedSubflowStack.push(changed[node.id].z);
|
|
delete changed[node.id];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var diff = {
|
|
added:Object.keys(added),
|
|
changed:Object.keys(changed),
|
|
removed:Object.keys(removed),
|
|
rewired:Object.keys(wiringChanged),
|
|
linked:[]
|
|
}
|
|
|
|
// Traverse the links of all modified nodes to mark the connected nodes
|
|
var modifiedNodes = diff.added.concat(diff.changed).concat(diff.removed).concat(diff.rewired);
|
|
var visited = {};
|
|
while (modifiedNodes.length > 0) {
|
|
node = modifiedNodes.pop();
|
|
if (!visited[node]) {
|
|
visited[node] = true;
|
|
if (linkMap[node]) {
|
|
if (!changed[node] && !added[node] && !removed[node] && !wiringChanged[node]) {
|
|
diff.linked.push(node);
|
|
}
|
|
modifiedNodes = modifiedNodes.concat(linkMap[node]);
|
|
}
|
|
}
|
|
}
|
|
// console.log(diff);
|
|
// for (id in newConfig.allNodes) {
|
|
// console.log(
|
|
// (added[id]?"a":(changed[id]?"c":" "))+(wiringChanged[id]?"w":" ")+(diff.linked.indexOf(id)!==-1?"l":" "),
|
|
// newConfig.allNodes[id].type.padEnd(10),
|
|
// id.padEnd(16),
|
|
// (newConfig.allNodes[id].z||"").padEnd(16),
|
|
// newConfig.allNodes[id].name||newConfig.allNodes[id].label||""
|
|
// );
|
|
// }
|
|
// for (id in removed) {
|
|
// console.log(
|
|
// "- "+(diff.linked.indexOf(id)!==-1?"~":" "),
|
|
// id,
|
|
// oldConfig.allNodes[id].type,
|
|
// oldConfig.allNodes[id].name||oldConfig.allNodes[id].label||""
|
|
// );
|
|
// }
|
|
|
|
return diff;
|
|
},
|
|
|
|
/**
|
|
* Create a new instance of a node
|
|
* @param {Flow} flow The containing flow
|
|
* @param {object} config The node configuration object
|
|
* @return {Node} The instance of the node
|
|
*/
|
|
createNode: createNode,
|
|
evaluateEnvProperties
|
|
}
|