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36 lines
1.1 KiB
36 lines
1.1 KiB
module.exports = function archy (obj, prefix, opts) {
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if (prefix === undefined) prefix = '';
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if (!opts) opts = {};
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var chr = function (s) {
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var chars = {
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'│' : '|',
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'└' : '`',
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'├' : '+',
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'─' : '-',
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'┬' : '-'
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};
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return opts.unicode === false ? chars[s] : s;
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};
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if (typeof obj === 'string') obj = { label : obj };
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var nodes = obj.nodes || [];
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var lines = (obj.label || '').split('\n');
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var splitter = '\n' + prefix + (nodes.length ? chr('│') : ' ') + ' ';
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return prefix
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+ lines.join(splitter) + '\n'
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+ nodes.map(function (node, ix) {
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var last = ix === nodes.length - 1;
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var more = node.nodes && node.nodes.length;
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var prefix_ = prefix + (last ? ' ' : chr('│')) + ' ';
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return prefix
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+ (last ? chr('└') : chr('├')) + chr('─')
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+ (more ? chr('┬') : chr('─')) + ' '
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+ archy(node, prefix_, opts).slice(prefix.length + 2)
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;
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}).join('')
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;
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};
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