twing/dist/cjs/lib/helpers/get-filter.js

First-class Twig engine for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getFilter = void 0;
/**
 * Get a filter by name.
 *
 * @param {string} name The filter name
 *
 * @return {TwingFilter|false} A TwingFilter instance or false if the filter does not exist
 */
const getFilter = (filters, name) => {
    const result = filters.get(name);
    if (result) {
        return result;
    }
    for (let [pattern, filter] of filters) {
        let count = 0;
        pattern = pattern.replace(/\*/g, function () {
            count++;
            return '(.*?)';
        });
        if (count) {
            const regExp = new RegExp('^' + pattern + '$', 'g');
            const match = regExp.exec(name);
            const matches = [];
            if (match) {
                for (let i = 1; i <= count; i++) {
                    matches.push(match[i]);
                }
                filter.nativeArguments = matches;
                return filter;
            }
        }
    }
    return null;
};
exports.getFilter = getFilter;