@ministryofjustice/hmpps-digital-prison-reporting-frontend/dpr/setUpNunjucksFilters.js

The Digital Prison Reporting Frontend contains templates and code to help display data effectively in UI applications.

import nunjucks from 'nunjucks';
import nunjucksDate from 'nunjucks-date';
import { sanitiseHtml } from './utils/sanitizeHtml.js';

const setUpNunjucksFilters = (env) => {
    env.addFilter('addRequiredAttributeToAll', addRequiredAttributeToAll);
    env.addFilter('json', stringifyJson);
    env.addFilter('capitaliseSentence', capitaliseSentence);
    // Namespace our own filters
    env.addFilter('dpr.findError', findError);
    env.addFilter('dpr.spacesToDash', spacesToDash);
    env.addFilter('dpr.safe', safe);
    nunjucksDate.setDefaultFormat('DD/MM/YYYY');
    nunjucksDate.install(env, 'dprDate');
};
const findError = (errs, errToFind) => {
    const error = errs?.find(err => err.href.slice(1) === errToFind)?.text;
    return error ? { text: error } : null;
};
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const stringifyJson = (jsonObj) => {
    return JSON.stringify(jsonObj, null, 2);
};
const capitaliseSentence = (text) => {
    return text.charAt(0).toUpperCase() + text.substring(1).toLowerCase();
};
const addRequiredAttributeToAll = (items) => {
    return items.map(i => ({
        ...i,
        attributes: {
            required: true,
        },
    }));
};
const spacesToDash = (text) => {
    return text?.replace(/ /g, '-') ?? '';
};
const safe = (text) => {
    const sanitized = sanitiseHtml(text);
    return new nunjucks.runtime.SafeString(sanitized);
};

export { setUpNunjucksFilters as default, setUpNunjucksFilters };
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