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dc9fa81346
and add tests and update messages
283 lines
13 KiB
HTML
283 lines
13 KiB
HTML
<!--
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Copyright JS Foundation and other contributors, http://js.foundation
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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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<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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<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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<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>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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<script type="text/x-red" data-help-name="join">
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to reverse the split that was performed.</p>
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<h3>Inputs</h3>
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<dl class="message-properties">
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<dt class="optional">parts<span class="property-type">object</span></dt>
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<dd>To automatically join a sequence of messages, they should all have
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this property set. The <b>split</b> node generates this property but it
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can be manually created. It has the following properties:
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<ul>
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<li><code>id</code> - an identifier for the group of messages</li>
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<li><code>index</code> - the position within the group</li>
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<li><code>count</code> - the total number of messages in the group</li>
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<li><code>type</code> - the type of message - string/array/object</li>
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<li><code>ch</code> - for a string, the character used to split</li>
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<li><code>key</code> - for an object, the key of the property this message was created from</li>
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<li><code>len</code> - for an array, the length of each array section</li>
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</ul>
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</dd>
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<dt class="optional">complete</dt>
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<h3>Details</h3>
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of messages in a variety of ways.</p>
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<ul>
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<li>a <b>string</b> - created by joining the selected 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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<p>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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