prompto.writer.YAMLWriter.js Maven / Gradle / Ivy

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var yaml = require("/js/lib/js-yaml.min.js", null, null, function(m) { return {id: m, uri: m}; });

function convert(obj) {
    /* global intrinsic */
    if(obj instanceof intrinsic.List)
        return convertList(obj);
    else if(obj instanceof intrinsic.Document)
        return convertDocument(obj);
    else
        return obj
}

function convertList(obj) {
    return obj.map(function(item) { return convert(item);});
}

function convertDocument(obj) {
    var values = {};
    Object.getOwnPropertyNames(obj).forEach(function (key) {
        var value = obj[key];
        values[key] = convert(value);
    }, this);
    return values;
}

exports.yamlWrite = function (docs) {
    return docs.map(function(doc) {
        var raw = convertDocument(doc);
        return yaml.safeDump(raw);
    }).join("---\n");
};