node-red-contrib--cron-pkjq/cron-node.html

Scheduler for Node red with CRON syntax.

<script type="text/javascript">
    RED.nodes.registerType('cron', {
        category: "input",
        icon: "timer.png",
        color: "#a6bbcf",
        outputs: 1,
        defaults: {
            name: { value: "" },
            cronExpression: { value: "* * * * *", required: true },
            fireAtStartup: { value: false },
        },

        label: function() {
            return this.name || "cron: " + this.cronExpression
        },
    });
</script>

<script type="text/x-red" data-template-name="cron">
    <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>
    <br>

	<div class="form-row">
        <label for="node-input-cronExpression"><i class="fa fa-clock-o"></i> Cron expression</label>
        <input type="text" id="node-input-cronExpression" placeholder="[s] m h Day Month Weak">
    </div>

    <div class="form-row">
        <label for="node-input-fireAtStartup">&nbsp;</label>
        <input type="checkbox" id="node-input-fireAtStartup" style="display:inline-block; width:15px; vertical-align:baseline;">
        <span> Force fire once at startup</span>
    </div>
</script>

<script type="text/x-red" data-help-name="cron">
    <p>Cron</p>

    <p style="padding-top:10px"><b>Settings</b>:</p>
    <ul>
        <li><code>second</code> [0 - 59] <i>optional</i></li>
        <li><code>minute</code> [0 - 59]</li>
        <li><code>hour</code> [0 - 23]</li>
        <li><code>day of month</code> [1 - 31]</li>
        <li><code>month</code> [1 - 12]</li>
            <small>
                <div style="margin-left:15px">
                    <i>
                        <div>jan, feb, mar</div>
                        <div>apr, may, jun</div>
                        <div>jul, aug, sep</div>
                        <div>oct, nov, dec</div>
                    </i>
                </div>
            </small>
        <li><code>day of week</code> [0 - 7] (0 and 7 is Sun)</li>
            <small>
                <div style="margin-left:15px">
                    <i><font color="firebrick">sun</font>, mon, tue, wed, thu, fri, <font color="firebrick">sat, sun</font></i>
                </div>
            </small>
    </ul>
    <br>
    <span>Use <a href='https://crontab.guru'>crontab.guru</a> to decode cron syntaxis.</span>
    <br>
    <small>Supports mixed use of ranges and range increments (L, W and # characters are not supported currently).</small>
    <br>
    <br>

    <p style="padding-top:10px"><b>Output</b>:</p>
    <ul>
        <li><code>msg.payload</code> - is timestamp from execution.</li>
        <li><code>msg.firedAtStartup</code> - flag is exist and set when event generated at startup. (if it's used).</li>
    </ul>

    <footer style="padding-top:20px;"><small>Based on <a href='https://www.npmjs.com/package/cron-pkjq'>cron-pkjq</a>.</small></footer>
</script>