lucent-laravel/front/js/svelte/records/Preview.js

import Mustache from "mustache";
import {stripHtml} from "../../helpers";
import {getContext} from "svelte";

export function previewTitle(record) {
    const channel = getContext("channel");
    let schema = channel.schemas.find((aSchema) => aSchema.name === record?.schema);

    if (!schema?.titleTemplate) {
        return noTemplate(schema, record);
    }

    let template = Mustache.parse(schema.titleTemplate);
    let render = Mustache.render(schema.titleTemplate, record.data);

    if (!render || render === "") {
        return noTemplate(schema, record);
    }

    return stripHtml(render.slice(0, 300));
}

function noTemplate(schema, record) {
    if (schema?.type === "files") {
        return record._file.path;
    }

    let title = stripHtml(
        record?.data[schema.fields.filter((f) => f.info.name === "text")[0]?.name]
    ).slice(0, 300);
    if (title === "") {
        return "Untitled";
    }

    return title;
}