New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
explicit-length-check
: Use 'non-zero': 'greater-than'
by default
#850
Merged
sindresorhus
merged 2 commits into
sindresorhus:master
from
EvgenyOrekhov:702-explicit-length-check-greater-than-by-default
Oct 6, 2020
Merged
Changes from all commits
Commits
Show all changes
2 commits
Select commit
Hold shift + click to select a range
File filter
Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,6 +1,6 @@ | ||
# Enforce explicitly comparing the `length` property of a value | ||
|
||
Enforce explicitly checking the length of a value array in an `if` condition, rather than checking the truthiness of the length. | ||
Enforce explicitly checking the length of a value array in an `if` condition, rather than checking the truthiness of the length, and enforce comparison style. | ||
|
||
This rule is partly fixable. | ||
|
||
|
@@ -10,21 +10,21 @@ This rule is partly fixable. | |
if (string.length) {} | ||
if (array.length) {} | ||
if (!array.length) {} | ||
if (array.length !== 0) {} | ||
``` | ||
|
||
### Pass | ||
|
||
```js | ||
if (string.length > 0) {} | ||
if (array.length > 0) {} | ||
if (array.length !== 0) {} | ||
if (array.length === 0) {} | ||
``` | ||
|
||
|
||
## Zero comparisons | ||
|
||
Enforce comparison with `!== 0` when checking for zero length. | ||
Enforce comparison with `=== 0` when checking for zero length. | ||
|
||
### Fail | ||
|
||
|
@@ -35,13 +35,13 @@ if (string.length < 1) {} | |
### Pass | ||
|
||
```js | ||
if (array.length !== 0) {} | ||
if (array.length === 0) {} | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I believe this was a typo because this section talks about zero comparisons. So I fixed it. |
||
``` | ||
|
||
|
||
## Non-zero comparisons | ||
|
||
You can define your preferred way of checking non-zero length by providing a `non-zero` option: | ||
You can define your preferred way of checking non-zero length by providing a `non-zero` option (`greater-than` by default): | ||
|
||
```js | ||
{ | ||
|
@@ -53,9 +53,9 @@ You can define your preferred way of checking non-zero length by providing a `no | |
|
||
The `non-zero` option can be configured with one of the following: | ||
|
||
- `greater-than` (default) | ||
- Enforces non-zero to be checked with: `array.length > 0` | ||
- `not-equal` | ||
- Enforces non-zero to be checked with: `array.length !== 0` | ||
- `greater-than` | ||
- Enforces non-zero to be checked with: `array.length > 0` | ||
- `greater-than-or-equal` | ||
- Enforces non-zero to be checked with: `array.length >= 1` |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
I believe this was a typo because this section talks about zero comparisons. So I fixed it.