mirror of
https://github.com/node-red/node-red.git
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213 lines
9.5 KiB
HTML
213 lines
9.5 KiB
HTML
<!DOCTYPE html>
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<!--
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Copyright 2016 IBM Corp.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<script type="text/x-red" data-template-name="split">
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<div class="form-row">
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<label for="node-input-splt"><i class="fa fa-scissors"></i> Split</label>
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<input type="text" id="node-input-splt" placeholder="character to split strings on : e.g. \n">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<script type="text/x-red" data-help-name="split">
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<p>A function that splits <code>msg.payload</code> into multiple messages.</p>
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<p>The behaviour is determined by the type of <code>msg.payload</code>:</p>
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<ul>
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<li><b>string</b> - a message is sent for each part of the string after it is split using the specified character, by default a newline (<code>\n</code>).
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<li><b>array</b> - a message is sent for each element of the array</li>
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<li><b>object</b> - a message is sent for each key/value pair of the object. <code>msg.parts.key</code> is set to the key of the property.</li>
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</ul>
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<p>Each message is sent with the <code>msg.parts</code> property set. This is
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an object that provides any subsequent <i>join</i> node the necessary information
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for it to reassemble the messages back into a single one. The object has the following
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properties:</p>
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<ul>
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<li><b>id</b> - an identifier for the group of messages</li>
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<li><b>index</b> - the position within the group</li>
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<li><b>count</b> - the total number of messages in the group</li>
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<li><b>type</b> - the type of message - string/array/object</li>
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<li><b>ch</b> - for a string, the character used to split</li>
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<li><b>key</b> - for an object, the key of the property this message was created from</li>
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</ul>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('split',{
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category: 'function',
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color:"#E2D96E",
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defaults: {
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name: {value:""},
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splt: {value:"\\n"}
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},
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inputs:1,
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outputs:1,
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icon: "split.png",
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label: function() {
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return this.name||"split";
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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<script type="text/x-red" data-template-name="join">
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<div class="form-row">
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<label>Mode</label>
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<select id="node-input-mode" style="width:200px;">
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<option value="auto">automatic</option>
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<option value="custom">manual</option>
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</select>
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</div>
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<div class="node-row-custom">
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<div class="form-row node-row-property">
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<label>Combine each </label>
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<input type="text" id="node-input-property" style="width:70%;">
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<input type="hidden" id="node-input-propertyType">
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</div>
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<div class="form-row">
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<label>to create </label>
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<select id="node-input-build" style="width:200px;">
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<option id="node-input-build-string" value="string">a String</option>
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<option value="array">an Array</option>
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<option value="object">a key/value Object</option>
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<option value="merged">a merged Object</option>
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</select>
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</div>
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<div class="form-row node-row-key">
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<label style="vertical-align: top; margin-top: 7px;">using</label>
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<div style="display:inline-block">
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<input type="text" id="node-input-key" style="width:300px;">
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<div style="margin-top: 7px;">as the property key</div>
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</div>
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</div>
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<div class="form-row node-row-joiner">
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<label for="node-input-joiner">joined using</label>
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<input type="text" id="node-input-joiner" style="width: 40px">
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</div>
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<div class="form-row node-row-trigger">
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<label style="width: auto;">Send the message:</label>
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<ul>
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<li style="height: 40px;">
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<label style="width: 280px;" for="node-input-count">After a fixed number of messages:</label> <input id="node-input-count" placeholder="count" type="text" style="width: 75px;">
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</li>
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<li style="height: 40px;">
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<label style="width: 280px;" for="node-input-timeout">After a timeout following the first message:</label> <input id="node-input-timeout" placeholder="seconds" type="text" style="width: 75px;">
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</li>
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<li style="height: 40px;">
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<label style="width: auto; padding-top: 6px;">After a message with the <code>msg.complete</code> property set</label>
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</li>
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</ul>
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</div>
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</div>
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<div class="form-tips form-tips-auto hide">This mode assumes this node is either
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paired with a <i>split</i> node or the received messages will have a properly
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configured <code>msg.parts</code> property.</div>
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</script>
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<script type="text/x-red" data-help-name="join">
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<p>A function that joins a sequence of messages into a single message.</p>
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<p>When paired with the <b>split</b> node, it will automatically join the messages
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to reverse the split that was performed.</p>
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<p>The node can join either a specific property of each received message or,
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if the output type is not string, the entire message.</p>
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<p>The type of the resulting message property can be:</p>
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<ul>
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<li>a <b>string</b> - created by joining the property of each message with the specified join character.</li>
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<li>an <b>array</b>.</li>
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<li>a <b>key/value object</b> - created by using a property of each message to determine the key under which
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the required value is stored.</li>
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<li>a <b>merged object</b> - created by merging the property of each message under a single object.</li>
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</ul>
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The other properties of the output message are taken from the last message received before the result is sent.</p>
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<p>A <i>count</i> can be set for how many messages should be received before generating the output message</p>
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<p>A <i>timeout</i> can be set to trigger sending the new message using whatever has been received so far.</p>
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<p>If a message is received with the <b>msg.complete</b> property set, the output message is sent.</p>
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<p>The automatic behaviour relies on the received messages to have <b>msg.parts</b> set. The split node generates
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this property, but can be manually created. It has the following properties:</p>
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<ul>
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<li><b>id</b> - an identifier for the group of messages</li>
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<li><b>index</b> - the position within the group</li>
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<li><b>count</b> - the total number of messages in the group</li>
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<li><b>type</b> - the type of message - string/array/object</li>
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<li><b>ch</b> - for a string, the character used to split</li>
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<li><b>key</b> - for an object, the key of the property this message was created from</li>
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</ul>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('join',{
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category: 'function',
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color:"#E2D96E",
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defaults: {
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name: {value:""},
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mode: {value:"auto"},
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build: { value:"string"},
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property: { value: "payload"},
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propertyType: { value:"msg"},
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key: {value:"topic"},
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joiner: { value:"\\n"},
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timeout: {value:""},
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count: {value:""}
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},
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inputs:1,
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outputs:1,
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icon: "join.png",
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label: function() {
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return this.name||"join";
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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},
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oneditprepare: function() {
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$("#node-input-mode").change(function(e) {
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var val = $(this).val();
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$(".node-row-custom").toggle(val==='custom');
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$(".form-tips-auto").toggle(val==='auto');
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});
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$("#node-input-build").change(function(e) {
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var val = $(this).val();
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$(".node-row-key").toggle(val==='object');
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$(".node-row-joiner").toggle(val==='string');
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$(".node-row-trigger").toggle(val!=='auto');
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if (val === 'string') {
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$("#node-input-property").typedInput('types',['msg']);
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} else {
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$("#node-input-property").typedInput('types',['msg', {value:"full",label:"complete message",hasValue:false}]);
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}
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})
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$("#node-input-property").typedInput({
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typeField: $("#node-input-propertyType"),
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types:['msg', {value:"full",label:"complete message",hasValue:false}]
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})
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$("#node-input-key").typedInput({
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types:['msg', {value:"merge",label:"",hasValue: false}]
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})
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$("#node-input-build").change();
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$("#node-input-mode").change();
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}
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});
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</script>
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