233 lines
6.7 KiB
JavaScript
233 lines
6.7 KiB
JavaScript
var each = require('./each');
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var strWidth = require('./strWidth');
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var map = require('./map');
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var repeat = require('./repeat');
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var cloneDeep = require('./cloneDeep');
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var defaults = require('./defaults');
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var trim = require('./trim');
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var rtrim = require('./rtrim');
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var filter = require('./filter');
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exports = function(rows) {
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var options =
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arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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rows = cloneDeep(rows);
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options.border = options.border || {};
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defaults(options.border, defBorder);
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options.columns = getColumns(rows);
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padData(rows, options);
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return render(rows, options);
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};
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function padData(rows, options) {
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var columnCount = options.columns.length;
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for (var i = 0, len = rows.length; i < len; i++) {
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while (rows[i].length < columnCount) {
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rows[i].push('');
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}
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}
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return loopData(rows, function(data, row, column) {
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var _options$columns$colu = options.columns[column],
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paddingLeft = _options$columns$colu.paddingLeft,
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width = _options$columns$colu.width,
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paddingRight = _options$columns$colu.paddingRight;
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return (
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repeat(' ', paddingLeft) +
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data +
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repeat(' ', width - strWidth(data) - paddingRight)
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);
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});
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}
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function loopData(rows, handler) {
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for (var i = 0, len = rows.length; i < len; i++) {
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var row = rows[i];
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for (var j = 0, _len = row.length; j < _len; j++) {
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var data = handler(row[j], i, j);
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if (data) {
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row[j] = data;
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}
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}
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}
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}
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function getColumns(rows) {
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var columns = [];
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var paddingLeft = 1;
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var paddingRight = 1;
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loopData(rows, function(data, row, column) {
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columns[column] = columns[column] || {
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width: paddingLeft + paddingRight,
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paddingLeft: paddingLeft,
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paddingRight: paddingRight
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};
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var width = strWidth(data) + paddingLeft + paddingRight;
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if (width > columns[column].width) {
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columns[column].width = width;
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}
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});
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return columns;
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}
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function render(rows, options) {
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var ret = '';
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ret += renderBorder('top', options);
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each(rows, function(row, idx) {
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ret += renderRow(row, options);
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if (idx === rows.length - 1) {
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ret += renderBorder('bottom', options);
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} else {
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ret += renderBorder('join', options);
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}
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});
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return ret;
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}
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function renderRow(columns, options) {
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var border = options.border;
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return (
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border.bodyLeft +
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columns.join(border.bodyJoin) +
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border.bodyRight +
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'\n'
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);
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}
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function renderBorder(type, options) {
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var border = options.border,
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columns = options.columns;
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var left = border[type + 'Left'];
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var right = border[type + 'Right'];
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var body = border[type + 'Body'];
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var join = border[type + 'Join'];
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var ret = map(columns, function(column) {
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return repeat(body, column.width);
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}).join(join);
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ret = left + ret + right;
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if (type !== 'bottom') {
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ret += '\n';
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}
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return ret;
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}
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exports.parse = function(table) {
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var options =
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arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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options.border = options.border || {};
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defaults(options.border, defBorder);
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var lines = splitLines(table, options.border);
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return parseLines(lines, options);
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};
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function splitLines(table, border) {
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var lines = table.split(/\n/);
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var trimLines = [];
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var chars = ' ';
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each(border, function(val) {
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return (chars += val);
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});
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each(lines, function(line, idx) {
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line = trim(line);
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line = trim(line, chars);
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trimLines[idx] = line;
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});
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return filter(lines, function(line, idx) {
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return trimLines[idx] !== '';
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});
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}
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function parseLines(lines, options) {
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var border = options.border;
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var maxLen = 0;
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each(lines, function(line) {
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var len = strWidth(line);
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if (len > maxLen) {
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maxLen = len;
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}
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});
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lines = map(lines, function(line) {
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return line + repeat(' ', maxLen - strWidth(line));
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});
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var start = -1;
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var end = -1;
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var firstLine = lines[0];
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if (border.bodyLeft) {
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start = firstLine.indexOf(border.bodyLeft);
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}
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if (border.bodyRight) {
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end = firstLine.lastIndexOf(border.bodyRight);
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}
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lines = map(lines, function(line) {
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if (start > -1) {
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if (end > -1) {
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line = line.slice(start + 1, end);
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} else {
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line = line.slice(start + 1);
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}
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}
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return line;
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});
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maxLen = lines[0].length;
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var rows = [];
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var rowCount = lines.length;
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var column = [];
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var _loop = function() {
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var isSeparator = true;
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var isFakeColumn = false;
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for (var r = 0; r < rowCount; r++) {
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column[r] = column[r] || '';
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var c = lines[r][i] || '';
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if (c !== border.bodyJoin) {
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isSeparator = false;
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}
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column[r] += lines[r][i];
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}
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if (isSeparator || i === maxLen - 1) {
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var emptyLineCount = 0;
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each(column, function(data) {
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data = rtrim(data, ' ' + border.bodyJoin);
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if (data === '') {
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emptyLineCount++;
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}
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});
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if (emptyLineCount >= rowCount - 1) {
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isFakeColumn = true;
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}
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if (isSeparator) {
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column = map(column, function(data) {
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return data.slice(0, data.length - 1);
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});
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}
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column = map(column, function(data) {
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return trim(data);
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});
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for (var _r = 0; _r < rowCount; _r++) {
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var row = rows[_r] || [];
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var data = column[_r];
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if (isFakeColumn) {
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if (row.length !== 0 && data) {
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row[row.length - 1] += border.bodyJoin + data;
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}
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} else {
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row.push(data);
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}
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rows[_r] = row;
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}
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column = [];
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}
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};
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for (var i = 0; i < maxLen; i++) {
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_loop();
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}
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return rows;
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}
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var defBorder = {
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topBody: '─',
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topJoin: '┬',
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topLeft: '┌',
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topRight: '┐',
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bottomBody: '─',
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bottomJoin: '┴',
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bottomLeft: '└',
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bottomRight: '┘',
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bodyLeft: '│',
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bodyRight: '│',
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bodyJoin: '│',
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joinBody: '─',
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joinLeft: '├',
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joinRight: '┤',
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joinJoin: '┼'
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};
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module.exports = exports;
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