phylojs/lib/io/writers/nexus.js

A simple typescript library for phylogenetic trees

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.writeNexus = void 0;
const newick_1 = require("./newick");
/** Writes tree in .nexus format. Undefined branch lengths set to 0.
 * @param {tree} tree The tree to write
 * @param {boolean} annotate Boolean to include annotations. Default is true.
 */
function writeNexus(tree, annotationWriter = _annotation => '') {
    let nexusStr = '#NEXUS\n\nbegin trees;\n';
    if (tree.root !== undefined)
        nexusStr +=
            `\ttree tree_1 = [&R] ${(0, newick_1.newickRecurse)(tree.root, annotationWriter)};` +
                '\n';
    nexusStr += 'end;';
    return nexusStr;
}
exports.writeNexus = writeNexus;