114 lines
4.1 KiB
JavaScript
114 lines
4.1 KiB
JavaScript
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/**@license
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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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* http://terminal.jcubic.pl
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*
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* utility that renders simple ascii table, like the one from mysql cli tool
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* it was first created for leash shell https://leash.jcubic.pl
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*
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* usage:
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*
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* var arr = [[1,2,3,4,5], ["lorem", "ipsum", "dolor", "sit", "amet"]];
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* term.echo(ascii_table(arr));
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* // or
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* term.echo(ascii_table(arr, true)); // this will render first row as header
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*
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* Copyright (c) 2018-2019 Jakub Jankiewicz <https://jcubic.pl/me>
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* Released under the MIT license
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*
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*/
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/* global define, module, global, wcwidth, require */
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(function(factory) {
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var root = typeof window !== 'undefined' ? window : global;
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if (typeof define === 'function' && define.amd) {
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// AMD. Register as an anonymous module.
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define(['wcwidth'], function(wcwidth) {
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return (root.ascii_table = factory(wcwidth));
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});
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} else if (typeof module === 'object' && module.exports) {
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// Node/CommonJS
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module.exports = factory(require('wcwidth'));
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} else {
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root.ascii_table = factory(root.wcwidth);
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}
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})(function(wcwidth, undefined) {
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var strlen = (function() {
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if (typeof wcwidth === 'undefined') {
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return function(string) {
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return string.length;
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};
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} else {
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return wcwidth;
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}
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})();
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function ascii_table(array, header) {
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if (!array.length) {
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return '';
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}
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for (var i = array.length - 1; i >= 0; i--) {
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var row = array[i];
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var stacks = [];
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for (var j = 0; j < row.length; j++) {
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var new_lines = row[j].toString().replace(/\r/g).split("\n");
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row[j] = new_lines.shift();
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stacks.push(new_lines);
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}
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var stack_lengths = stacks.map(function(column) {
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return column.length;
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});
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var new_rows_count = Math.max.apply(Math, stack_lengths);
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for (var k = new_rows_count - 1; k >= 0; k--) {
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array.splice(i + 1, 0, stacks.map(function(column) {
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return column[k] || "";
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}));
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}
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}
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var lengths = array[0].map(function(_, i) {
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var col = array.map(function(row) {
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if (row[i] != undefined) {
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var len = strlen(row[i]);
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if (row[i].match(/\t/g)) {
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// tab is 4 spaces
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len += row[i].match(/\t/g).length*3;
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}
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return len;
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} else {
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return 0;
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}
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});
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return Math.max.apply(Math, col);
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});
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// column padding
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array = array.map(function(row) {
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return '| ' + row.map(function(item, i) {
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var size = strlen(item);
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if (item.match(/\t/g)) {
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// tab is 4 spaces
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size += item.match(/\t/g).length*3;
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}
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if (size < lengths[i]) {
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item += new Array(lengths[i] - size + 1).join(' ');
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}
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return item;
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}).join(' | ') + ' |';
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});
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array = array.map(function(line) {
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return line.replace(/&(?![^;]+;)/g, '&');
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});
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var sep = '+' + lengths.map(function(length) {
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return new Array(length + 3).join('-');
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}).join('+') + '+';
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if (header) {
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return sep + '\n' + array[0] + '\n' + sep + '\n' +
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array.slice(1).join('\n') + '\n' + sep;
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} else {
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return sep + '\n' + array.join('\n') + '\n' + sep;
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}
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}
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return ascii_table;
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});
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