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basic-usage-examples.js
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basic-usage-examples.js
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const Table = require('../src/table');
const colors = require('@colors/colors/safe');
const { hyperlink } = require('../src/utils');
// prettier-ignore
// Disable prettier so that examples are formatted more clearly
module.exports = function (runTest) {
function it(name, fn) {
let result = fn();
runTest(name, result[0], result[1], result[2]);
}
it('Basic Usage', function () {
function makeTable() {
// By default, headers will be red, and borders will be grey
let table = new Table({ head: ['a', 'b'] });
table.push(['c', 'd']);
return table;
}
let expected = [
colors.gray('┌───') + colors.gray('┬───┐'),
colors.gray('│') + colors.red(' a ') + colors.gray('│') + colors.red(' b ') + colors.gray('│'),
colors.gray('├───') + colors.gray('┼───┤'),
colors.gray('│') + ' c ' + colors.gray('│') + ' d ' + colors.gray('│'),
colors.gray('└───') + colors.gray('┴───┘'),
];
return [makeTable, expected, 'basic-usage-with-colors'];
});
it('Basic Usage - disable colors - (used often in the examples and tests)', function () {
function makeTable() {
// For most of these examples, and most of the unit tests we disable colors.
// It makes unit tests easier to write/understand, and allows these pages to
// display the examples as text instead of screen shots.
let table = new Table({
head: ['Rel', 'Change', 'By', 'When'],
style: {
head: [], //disable colors in header cells
border: [], //disable colors for the border
},
colWidths: [6, 21, 25, 17], //set the widths of each column (optional)
});
table.push(
['v0.1', 'Testing something cool', 'rauchg@gmail.com', '7 minutes ago'],
['v0.1', 'Testing something cool', 'rauchg@gmail.com', '8 minutes ago']
);
return table;
}
let expected = [
'┌──────┬─────────────────────┬─────────────────────────┬─────────────────┐',
'│ Rel │ Change │ By │ When │',
'├──────┼─────────────────────┼─────────────────────────┼─────────────────┤',
'│ v0.1 │ Testing something … │ rauchg@gmail.com │ 7 minutes ago │',
'├──────┼─────────────────────┼─────────────────────────┼─────────────────┤',
'│ v0.1 │ Testing something … │ rauchg@gmail.com │ 8 minutes ago │',
'└──────┴─────────────────────┴─────────────────────────┴─────────────────┘',
];
return [makeTable, expected];
});
it('Create vertical tables by adding objects a that specify key-value pairs', function () {
function makeTable() {
let table = new Table({
style: { 'padding-left': 0, 'padding-right': 0, head: [], border: [] },
});
table.push(
{ 'v0.1': 'Testing something cool' },
{ 'v0.1': 'Testing something cool' }
);
return table;
}
let expected = [
'┌────┬──────────────────────┐',
'│v0.1│Testing something cool│',
'├────┼──────────────────────┤',
'│v0.1│Testing something cool│',
'└────┴──────────────────────┘',
];
return [makeTable, expected];
});
it('Cross tables are similar to vertical tables, but include an empty string for the first header', function () {
function makeTable() {
let table = new Table({
head: ['', 'Header 1', 'Header 2'],
style: { 'padding-left': 0, 'padding-right': 0, head: [], border: [] },
}); // clear styles to prevent color output
table.push(
{ 'Header 3': ['v0.1', 'Testing something cool'] },
{ 'Header 4': ['v0.1', 'Testing something cool'] }
);
return table;
}
let expected = [
'┌────────┬────────┬──────────────────────┐',
'│ │Header 1│Header 2 │',
'├────────┼────────┼──────────────────────┤',
'│Header 3│v0.1 │Testing something cool│',
'├────────┼────────┼──────────────────────┤',
'│Header 4│v0.1 │Testing something cool│',
'└────────┴────────┴──────────────────────┘',
];
return [makeTable, expected];
});
it('Stylize the table with custom border characters', function () {
function makeTable() {
let table = new Table({
chars: {
top: '═',
'top-mid': '╤',
'top-left': '╔',
'top-right': '╗',
bottom: '═',
'bottom-mid': '╧',
'bottom-left': '╚',
'bottom-right': '╝',
left: '║',
'left-mid': '╟',
right: '║',
'right-mid': '╢',
},
style: {
head: [],
border: [],
},
});
table.push(
['foo', 'bar', 'baz'],
['frob', 'bar', 'quuz']
);
return table;
}
let expected = [
'╔══════╤═════╤══════╗',
'║ foo │ bar │ baz ║',
'╟──────┼─────┼──────╢',
'║ frob │ bar │ quuz ║',
'╚══════╧═════╧══════╝',
];
return [makeTable, expected];
});
it('Use ansi colors (i.e. colors.js) to style text within the cells at will, even across multiple lines', function () {
function makeTable() {
let table = new Table({ style: { border: [], header: [] } });
table.push([colors.red('Hello\nhow\nare\nyou?'), colors.blue('I\nam\nfine\nthanks!')]);
return table;
}
let expected = [
'┌───────┬─────────┐',
'│ ' + colors.red('Hello') + ' │ ' + colors.blue('I') + ' │',
'│ ' + colors.red('how') + ' │ ' + colors.blue('am') + ' │',
'│ ' + colors.red('are') + ' │ ' + colors.blue('fine') + ' │',
'│ ' + colors.red('you?') + ' │ ' + colors.blue('thanks!') + ' │',
'└───────┴─────────┘',
];
return [makeTable, expected, 'multi-line-colors'];
});
it('Set `wordWrap` to true to wrap text on word boundaries', function () {
function makeTable() {
let table = new Table({
style: { border: [], header: [] },
colWidths: [7, 9], // Requires fixed column widths
wordWrap: true,
});
table.push([
'Hello how are you?',
'I am fine thanks! Looooooong',
['Words that exceed', 'the colWidth will', 'be truncated.'].join('\n'),
['Text is only', 'wrapped for', 'fixed width', 'columns.'].join('\n'),
]);
return table;
}
let expected = [
'┌───────┬─────────┬───────────────────┬──────────────┐',
'│ Hello │ I am │ Words that exceed │ Text is only │',
'│ how │ fine │ the colWidth will │ wrapped for │',
'│ are │ thanks! │ be truncated. │ fixed width │',
'│ you? │ Looooo… │ │ columns. │',
'└───────┴─────────┴───────────────────┴──────────────┘',
];
return [makeTable, expected];
});
it('Using `wordWrap`, set `wrapOnWordBoundary` to false to ignore word boundaries', function () {
function makeTable() {
const table = new Table({
style: { border: [], header: [] },
colWidths: [3, 3], // colWidths must all be greater than 2!!!!
wordWrap: true,
wrapOnWordBoundary: false,
});
table.push(['Wrap', 'Text']);
return table;
}
let expected = [
'┌───┬───┐',
'│ W │ T │',
'│ r │ e │',
'│ a │ x │',
'│ p │ t │',
'└───┴───┘',
];
return [makeTable, expected];
});
it('Supports hyperlinking cell content using the href option', () => {
function link(text) {
return hyperlink('http://example.com', text);
}
function makeTable() {
const table = new Table({
colWidths: [11, 5, 5],
style: { border: [], head: [] },
wordWrap: true,
wrapOnWordBoundary: false,
});
const href = 'http://example.com';
table.push(
[{ content: 'Text Link', href }, { content: 'Hello Link', href }, { href }],
[{ href, colSpan: 3 }]
);
return table;
}
let expected = [
'┌───────────┬─────┬─────┐',
`│ ${link('Text Link')} │ ${link('Hel')} │ ${link('htt')} │`,
`│ │ ${link('lo ')} │ ${link('p:/')} │`,
`│ │ ${link('Lin')} │ ${link('/ex')} │`,
`│ │ ${link('k')} │ ${link('amp')} │`,
`│ │ │ ${link('le.')} │`,
`│ │ │ ${link('com')} │`,
'├───────────┴─────┴─────┤',
`│ ${link('http://example.com')} │`,
'└───────────────────────┘',
];
return [makeTable, expected];
});
};
/* Expectation - ready to be copy/pasted and filled in. DO NOT DELETE THIS
let expected = [
'┌──┬───┬──┬──┐'
, '│ │ │ │ │'
, '├──┼───┼──┼──┤'
, '│ │ … │ │ │'
, '├──┼───┼──┼──┤'
, '│ │ … │ │ │'
, '└──┴───┴──┴──┘'
];
*/
// Jest Snapshot v1, https://goo.gl/fbAQLP