@restorecommerce/handlebars-helperized/lib/helpers/custom-helpers.js

Opinionated handlebars based templating engine for rendering e-mail like content

import hbs from 'handlebars';
const customHandlebarsExtensions = (opts) => {
    // increment a given numerical string by one
    hbs.registerHelper('increment', (value, hash) => {
        const toIncrement = parseInt(value, 10);
        if (isNaN(toIncrement))
            return '0';
        return toIncrement + 1;
    });
    /**
     * Throws back an error to the caller of the render request!
     * eg:
     * {{#if some.data.expected.to.exist }}
     *  <p>{{ some.data.expected.to.exist }}</p>
     * {{else}}
     *  {{throw 'Important data missing, abort rendering!'}}
     * {{/if}}
     */
    hbs.registerHelper('throw', (value, hash) => {
        throw new class extends Error {
            details = hash;
        }(value);
    });
};
export { customHandlebarsExtensions };
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