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console: fix console.table() display edge case

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If the properties are not specified in `console.table()`, then we should
make a best effort to determine them rather than put all values into a
"Values" column.

PR-URL: https://github.com/nodejs/node/pull/20323
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
This commit is contained in:
Rich Trott 2018-04-25 22:47:56 -07:00
parent 65d97c96aa
commit 99d56a4749
2 changed files with 21 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/console.js
View File

@ -363,9 +363,7 @@ Console.prototype.table = function(tabularData, properties) {
tabularData = previewSetIterator(tabularData); tabularData = previewSetIterator(tabularData);
const setlike = setIter || isSet(tabularData); const setlike = setIter || isSet(tabularData);
if (setlike || if (setlike) {
(properties === undefined &&
(isArray(tabularData) || isTypedArray(tabularData)))) {
const values = []; const values = [];
let length = 0; let length = 0;
for (const v of tabularData) { for (const v of tabularData) {

31
test/parallel/test-console-table.js
View File

@ -41,13 +41,13 @@ test([1, 2, 3], `
`); `);
test([Symbol(), 5, [10]], ` test([Symbol(), 5, [10]], `
┌─────────┬──────────┐ ┌─────────┬────┬──────────┐
│ (index) │ Values │ │ (index) │ 0 │ Values │
├─────────┼──────────┤ ├─────────┼────┼──────────┤
│ 0 │ Symbol() │ │ 0 │ │ Symbol() │
│ 1 │ 5 │ │ 1 │ │ 5 │
│ 2 │ [ 10 ] │ │ 2 │ 10 │ │
└─────────┴──────────┘ └─────────┴────┴──────────┘
`); `);
test([undefined, 5], ` test([undefined, 5], `
@ -182,10 +182,10 @@ test({ a: undefined }, ['x'], `
`); `);
test([], ` test([], `
┌─────────┬────────┐ ┌─────────┐
│ (index) │ Values │ │ (index) │
├─────────┼────────┤ ├─────────┤
└─────────┴────────┘ └─────────┘
`); `);
test(new Map(), ` test(new Map(), `
@ -194,3 +194,12 @@ test(new Map(), `
├───────────────────┼─────┼────────┤ ├───────────────────┼─────┼────────┤
└───────────────────┴─────┴────────┘ └───────────────────┴─────┴────────┘
`); `);
test([{ a: 1, b: 'Y' }, { a: 'Z', b: 2 }], `
┌─────────┬─────┬─────┐
│ (index) │ a │ b │
├─────────┼─────┼─────┤
│ 0 │ 1 │ 'Y' │
│ 1 │ 'Z' │ 2 │
└─────────┴─────┴─────┘
`);