om/public/routes/createMessage.js

var tagArray = [];
const data=[];
const CreateMsgRouter = {
	template: `
<div class="content card om-card">
	<h4>Neue Nachricht erstellen</h4>

	<b-field>
        <b-input placeholder="User" id="user"></b-input>
    </b-field>

	<b-field>
        <b-input placeholder="Betreff" id="subject"></b-input>
    </b-field>

	<b-field label="Tags">
		<b-taginput
            id="tag"
			v-model="selected"
			:data=taglist
			autocomplete
			allow-new:false
			icon="label"
			placeholder="#"
			@typing="getFilteredTags"
            @input="saveTagsToArray">
		</b-taginput>
	</b-field>

	<b-field>
        <b-input placeholder="Nachricht" id="message" type="textarea"></b-input>
    </b-field>

	<b-button @click="$router.go(-1)">ABBRECHEN</b-button>
	<b-button type="is-primary" @click="createMsg">SENDEN</b-button>

</div>
`,
	data: function () {
		return {
			selected: [],
			taglist: data,
		};
	},
	methods: {
        saveTagsToArray: function() {
              tagArray = this.selected;
            console.info(tagArray);
        },
		createMsg: function () {
			var _subject = $("#subject").val();
			var _message = $("#message").val();
			var _tag = tagArray;
			var _user = $("#user").val();
			//console.log("Message Created: " + _tag + " " + _message + " " + _user);
			$.ajax({
				url: "api/msg",
				data: {
					subject: _subject,
					message: _message,
					user: _user,
					tag: _tag
				},
				method: "POST"
			}).done(have_result).fail(have_error);

			function have_result(res) {
				//console.log(res);
                router.push('/home')
			}

			function have_error(err) {
				console.log("error: " + err.responseText);
				console.log(err);
			}
		},
		getFilteredTags(text) {
			this.taglist = data.filter((option) => {
				return option
					.toString()
					.toLowerCase()
					.indexOf(text.toLowerCase()) >= 0
			})
        },
        list_tags: function () {
                $.ajax({url: "api/tag/ids",method: "GET"})
                    .done(jd => {
                        // NICHT SO wg. Vue: _messagelist = jd;
                        console.log("DATA: "+data);
                        if(data == ""){
                            _taglist.splice(0, _taglist.length);
                            _taglist.push.apply(_taglist, jd);
                            console.log("tag: jd: " + jd);
                            for (var e in jd) {
                                if (!_tags[jd[e]]) {
                                    get_insert_tag(jd[e]);
                                }
                            }
                        }
                    }).fail(function (e, f, g) {
                        console.log("err: " + e + f + g);
                    });
            }
	},
	mounted: function () {
        //this.list_tags();
		if ($(this).bootstrapMaterialDesign)
			$(this).bootstrapMaterialDesign();
	},
};

function get_insert_tag(id){
    $.ajax({ url: "api/tag/"+id, method: "GET" }).done(function (tag) {
        data.push("#" + tag.name);
        console.log("Array:"+this.data);
    }).fail(function (e, f, g) {
        console.log("cannot load " + id + ".json: " + e + f + g);
    })
}