js/template-curly-spacing ​
We can embed expressions in template strings with using a pair of ${ and }.
This rule can force usage of spacing within the curly brace pair according to style guides.
let hello = `hello, ${people.name}!`;Rule Details ​
This rule aims to maintain consistency around the spacing inside of template literals.
Options ​
{
"template-curly-spacing": ["error", "never"]
}This rule has one option which has either "never" or "always" as value.
"never"(by default) - Disallows spaces inside of the curly brace pair."always"- Requires one or more spaces inside of the curly brace pair.
Examples ​
never ​
Examples of incorrect code for this rule with the default "never" option:
::: incorrect
/*eslint template-curly-spacing: "error"*/
`hello, ${ people.name}!`;
`hello, ${people.name }!`;
`hello, ${ people.name }!`;:::
Examples of correct code for this rule with the default "never" option:
::: correct
/*eslint template-curly-spacing: "error"*/
`hello, ${people.name}!`;
`hello, ${
people.name
}!`;:::
always ​
Examples of incorrect code for this rule with the "always" option:
::: incorrect
/*eslint template-curly-spacing: ["error", "always"]*/
`hello, ${ people.name}!`;
`hello, ${people.name }!`;
`hello, ${people.name}!`;:::
Examples of correct code for this rule with the "always" option:
::: correct
/*eslint template-curly-spacing: ["error", "always"]*/
`hello, ${ people.name }!`;
`hello, ${
people.name
}!`;:::
When Not To Use It ​
If you don't want to be notified about usage of spacing inside of template strings, then it's safe to disable this rule.