forked from lix-project/lix-website
87 lines
2.4 KiB
JavaScript
87 lines
2.4 KiB
JavaScript
module.exports = function (rows_, opts) {
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if (!opts) opts = {};
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var hsep = opts.hsep === undefined ? ' ' : opts.hsep;
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var align = opts.align || [];
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var stringLength = opts.stringLength
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|| function (s) { return String(s).length; }
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;
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var dotsizes = reduce(rows_, function (acc, row) {
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forEach(row, function (c, ix) {
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var n = dotindex(c);
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if (!acc[ix] || n > acc[ix]) acc[ix] = n;
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});
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return acc;
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}, []);
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var rows = map(rows_, function (row) {
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return map(row, function (c_, ix) {
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var c = String(c_);
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if (align[ix] === '.') {
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var index = dotindex(c);
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var size = dotsizes[ix] + (/\./.test(c) ? 1 : 2)
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- (stringLength(c) - index)
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;
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return c + Array(size).join(' ');
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}
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else return c;
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});
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});
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var sizes = reduce(rows, function (acc, row) {
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forEach(row, function (c, ix) {
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var n = stringLength(c);
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if (!acc[ix] || n > acc[ix]) acc[ix] = n;
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});
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return acc;
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}, []);
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return map(rows, function (row) {
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return map(row, function (c, ix) {
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var n = (sizes[ix] - stringLength(c)) || 0;
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var s = Array(Math.max(n + 1, 1)).join(' ');
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if (align[ix] === 'r' || align[ix] === '.') {
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return s + c;
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}
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if (align[ix] === 'c') {
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return Array(Math.ceil(n / 2 + 1)).join(' ')
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+ c + Array(Math.floor(n / 2 + 1)).join(' ')
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;
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}
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return c + s;
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}).join(hsep).replace(/\s+$/, '');
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}).join('\n');
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};
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function dotindex (c) {
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var m = /\.[^.]*$/.exec(c);
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return m ? m.index + 1 : c.length;
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}
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function reduce (xs, f, init) {
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if (xs.reduce) return xs.reduce(f, init);
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var i = 0;
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var acc = arguments.length >= 3 ? init : xs[i++];
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for (; i < xs.length; i++) {
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f(acc, xs[i], i);
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}
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return acc;
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}
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function forEach (xs, f) {
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if (xs.forEach) return xs.forEach(f);
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for (var i = 0; i < xs.length; i++) {
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f.call(xs, xs[i], i);
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}
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}
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function map (xs, f) {
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if (xs.map) return xs.map(f);
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var res = [];
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for (var i = 0; i < xs.length; i++) {
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res.push(f.call(xs, xs[i], i));
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}
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return res;
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}
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