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118 lines
3.2 KiB
118 lines
3.2 KiB
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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exports = function(rows) {
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rows = cloneDeep(rows);
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var options = {
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border: defBorder
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};
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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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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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