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Unexpected string concatenation of literals. Open
infoWindowContent.push(['<div class="info_content">' + "<h3><a href='/posts/" + markers[i]["id"] + "'" + 'target="_blank" rel="noopener noreferrer">' + markers[i]["marker_title"] + '</a></h3>' + '<p>'+ window.authors[i] + '</p>' + '</div>']);
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Disallow unnecessary concatenation of strings (no-useless-concat)
It's unnecessary to concatenate two strings together, such as:
var foo = "a" + "b";
This code is likely the result of refactoring where a variable was removed from the concatenation (such as "a" + b + "b"
). In such a case, the concatenation isn't important and the code can be rewritten as:
var foo = "ab";
Rule Details
This rule aims to flag the concatenation of 2 literals when they could be combined into a single literal. Literals can be strings or template literals.
Examples of incorrect code for this rule:
/*eslint no-useless-concat: "error"*/
/*eslint-env es6*/
// these are the same as "10"
var a = `some` + `string`;
var a = '1' + '0';
var a = '1' + `0`;
var a = `1` + '0';
var a = `1` + `0`;
Examples of correct code for this rule:
/*eslint no-useless-concat: "error"*/
// when a non string is included
var c = a + b;
var c = '1' + a;
var a = 1 + '1';
var c = 1 - 2;
// when the string concatenation is multiline
var c = "foo" +
"bar";
When Not To Use It
If you don't want to be notified about unnecessary string concatenation, you can safely disable this rule. Source: http://eslint.org/docs/rules/
Unexpected string concatenation of literals. Open
infoWindowContent.push(['<div class="info_content">' + "<h3><a href='/posts/" + markers[i]["id"] + "'" + 'target="_blank" rel="noopener noreferrer">' + markers[i]["marker_title"] + '</a></h3>' + '<p>'+ window.authors[i] + '</p>' + '</div>']);
- Read upRead up
- Exclude checks
Disallow unnecessary concatenation of strings (no-useless-concat)
It's unnecessary to concatenate two strings together, such as:
var foo = "a" + "b";
This code is likely the result of refactoring where a variable was removed from the concatenation (such as "a" + b + "b"
). In such a case, the concatenation isn't important and the code can be rewritten as:
var foo = "ab";
Rule Details
This rule aims to flag the concatenation of 2 literals when they could be combined into a single literal. Literals can be strings or template literals.
Examples of incorrect code for this rule:
/*eslint no-useless-concat: "error"*/
/*eslint-env es6*/
// these are the same as "10"
var a = `some` + `string`;
var a = '1' + '0';
var a = '1' + `0`;
var a = `1` + '0';
var a = `1` + `0`;
Examples of correct code for this rule:
/*eslint no-useless-concat: "error"*/
// when a non string is included
var c = a + b;
var c = '1' + a;
var a = 1 + '1';
var c = 1 - 2;
// when the string concatenation is multiline
var c = "foo" +
"bar";
When Not To Use It
If you don't want to be notified about unnecessary string concatenation, you can safely disable this rule. Source: http://eslint.org/docs/rules/
end
at 7, 3 is not aligned with def
at 5, 1. Open
end
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This cop checks whether the end keywords of method definitions are aligned properly.
Two modes are supported through the EnforcedStyleAlignWith configuration
parameter. If it's set to start_of_line
(which is the default), the
end
shall be aligned with the start of the line where the def
keyword is. If it's set to def
, the end
shall be aligned with the
def
keyword.
Example: EnforcedStyleAlignWith: startofline (default)
# bad
private def foo
end
# good
private def foo
end
Example: EnforcedStyleAlignWith: def
# bad
private def foo
end
# good
private def foo
end
Use ==
if you meant to do a comparison or wrap the expression in parentheses to indicate you meant to assign in a condition. Open
if spring = lockfile.specs.detect { |spec| spec.name == "spring" }
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This cop checks for assignments in the conditions of if/while/until.
Example:
# bad
if some_var = true
do_something
end
Example:
# good
if some_var == true
do_something
end