node-red/nodes/core/analysis/72-sentiment.html

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<script type="text/x-red" data-template-name="sentiment">
    <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
    <div class="form-tips">Adds <b>msg.sentiment.score</b> as the anaylsis result.
    </div>
</script>

<script type="text/x-red" data-help-name="sentiment">
    <p>Analyses the <b>msg.payload</b> and adds a <b>msg.sentiment</b> object that contains the resulting AFINN-111 sentiment score as <b>msg.sentiment.score</b>.</p>
    <p>A score greater than zero is positive and less than zero is negative.</p>
    <p>The score typically ranges from -5 to +5, but can go higher and lower.</p>
    <p>See <a href="https://github.com/thisandagain/sentiment/blob/master/README.md" target="_new">the Sentiment docs here</a>.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('sentiment',{
        category: 'analysis-function',
        color:"#E6E0F8",
        defaults: {
            name: {value:""},
        },
        inputs:1,
        outputs:1,
        icon: "arrow-in.png",
        label: function() {
            return this.name||"sentiment";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>