node-red-watchdirectory.html

<script type="text/javascript">
    RED.nodes.registerType('watch-directory',{
        category: 'storage',
        color: 'burlywood',
        defaults: {
            folder: {value:"", required: true},
            folderType:{value:"str"},
            recursive: {value:0},
            typeEvent: {value:"create"},
            ignoreInitial: {value:true},
            ignoredFiles: {value:"",validate: RED.validators.typedInput("ignoredFilesType")},
            ignoredFilesType:   { value:"re" },
            name: {value:""}
        },
        inputs:0,
        outputs:1,
        icon: "font-awesome/fa-eye",
        label: function() {
            return this.name|| this.folder  || "watch-directory";
        },
        oneditprepare: function() {
            $("#node-input-folder").typedInput({
                default: 'str',
                types: ['flow','global','str','jsonata','env'],
                typeField: $("#node-input-folderType")
            });

            $("#node-input-ignoredFiles").typedInput({
                default: this.ignoredFilesType || 're',
                types:['re'],
                typeField: $("#node-input-ignoredFilesType")})
        },
        onsave: function(){
            this.ignoredFilesType = $("#node-input-ignoredFilesType").val()
        }
    });
</script>

<script type="text/html" data-template-name="watch-directory">
    <div class="form-row">
        <label for="node-input-folder"><i class="fa fa-folder-open"></i> Folder</label>
        <input type="text" id="node-input-folder" placeholder="Path to watching folder">
        <input type="hidden" id="node-input-folderType">
    </div>
    <div class="form-row">
        <label for="node-input-typeEvent"><i class="fa fa-rss"></i> Type events</label>
        <select id="node-input-typeEvent">
            <option value="create">Create</option>
            <option value="update">Update</option>
            <option value="delete">Delete</option>
        </select>
    </div>
    <div class="form-row">
        <label for="node-input-ignoredFiles"><i class="fa fa-file-excel-o"></i> Ignore files</label>
        <input type="text" id="node-input-ignoredFiles" placeholder="Regex for exclude files">
        <input type="hidden" id="node-input-ignoredFilesType">
    </div>
     <div class="form-row">
        <label for="node-input-recursive"><i class="fa fa-sitemap"></i> Depth</label>
         <input type="number" id="node-input-recursive" style="display: inline-block; width: auto; vertical-align: top;">
    </div>
    <div class="form-row">
        <label for="node-input-ignoreInitial">&nbsp;</label>            
        <input type="checkbox" id="node-input-ignoreInitial" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-input-ignoreInitial" style="width: auto"><i class="fa fa-reply-all" style="transform: scaleX(-1);"></i> On start ignore files in folder</label>
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span>Name</span></label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
</script>

<script type="text/html" data-help-name="watch-directory">
    <p>A simple node that watch directory for detect add, change and delete file / folder. 
        Wrapper for <a href='https://github.com/paulmillr/chokidar' target="_blank">chokidar</a></p>

    <h3>Properties</h3>
    <dl class="message-properties">
        <dt>folder<span class="property-type">string</span></dt>
        <dd>Path of directory to watch</dd>
        <dt>type event<span class="property-type">select</span></dt>
        <dd>Type of event who fire the flow</dd>
        <dt>ignored files<span class="property-type">regex</span></dt>
        <dd>(Optional) regex that match file name to exclude (check only on name.ext, not on all path)</dd>
        <dt>recursive<span class="property-type">number</span></dt>
        <dd>Depth of folders to watch</dd>
        <dt>On start ignore files in folder<span class="property-type">boolean</span></dt>
        <dd>If they are file in watching directory at start, ignore them</dd>
    </dl>

    <h3>Outputs</h3>
    <dl class="message-properties">
        <dt>file
            <span class="property-type">string</span>
        </dt>
        <dd>the name of the file, with extension</dd> 

        <dt>filedir
            <span class="property-type">string</span>
        </dt>
        <dd>the directory of the file</dd> 

        <dt>filename
            <span class="property-type">string</span>
        </dt>
        <dd>the complete path to the file (filedir + file)</dd> 
       
        <dt>payload
            <span class="property-type">string</span>
        </dt>
        <dd>like filename : the complete path to the file (filedir + file)</dd> 
    </dl>

    <h3>Details</h3>
    <p>This plugin it's a wrapper for chokidar. I thing that everything it's clear, if it not :
        <a href="https://github.com/fatoldsun00/node-red-contrib-watchdirectory/issues" target="_blank">Try to open an issue on my github</a></p>
</script>