---
---

const do_search = function() {
    // data
    var pages = [
    {% for post in site.posts %}
    {
        "id": "{{ post.url | slufigy }}",
        "title": {{ post.title | jsonify }},
        "content": {{ post.content | strip_html | jsonify }},
        "url": "{{ post.url | xml_escape }}"
    }
    {% unless forloop.last %},{% endunless %}
    {% endfor %}
    ];

    var mylunr = function (config) {
        var builder = new lunr.Builder
          builder.pipeline.add(
            lunr.trimmer
          );
        config.call(builder, builder);
        return builder.build();
    }

    // index
    const idx = mylunr(function () {
    this.ref('url');
    this.field('title');
    this.field('content');
    pages.forEach(function (doc) {
        this.add(doc);
    }, this);
    });

    function do_search(queryterm) {
        const result = idx.search(queryterm);
        return result.map(r => pages.find((p) => p.id === r.ref));
    }

    return do_search;
}();