mirror of https://github.com/node-red/node-red.git
63 lines
2.5 KiB
HTML
63 lines
2.5 KiB
HTML
<!--
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Copyright 2015 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="catch">
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
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<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
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</div>
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</script>
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<script type="text/x-red" data-help-name="catch">
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<p>Catch errors thrown by nodes on the same tab.</p>
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<p>If a node throws a error whilst handling a message, the flow will typically
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halt. This node can be used to catch those errors and handle them with a
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dedicated flow.</p>
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<p>The node will catch errors thrown by any node on the same tab. If there
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are multiple catch nodes on a tab, they will all get triggered.</p>
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<p>If an error is thrown within a subflow, the error will get handled by any
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catch nodes within the subflow. If none exists, the error is propagated
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up to the tab the subflow instance is on.</p>
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<p>The message sent by this node will be the original message if the node that
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threw the error provided it. The message will have an <code>error</code>
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property with the following attributes:
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<ul>
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<li><code>message</code> : the error message</li>
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<li><code>source.id</code> : the id of the node that threw the error</li>
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<li><code>source.type</code> : the type of the node that threw the error</li>
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</ul>
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</p>
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<p>If the message already had a <code>error</code> property, it is copied to <code>_error</code>.</p>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('catch',{
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category: 'input',
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color:"#e49191",
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defaults: {
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name: {value:""}
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},
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inputs:0,
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outputs:1,
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icon: "alert.png",
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label: function() {
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return this.name||this._("catch.catch");
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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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