useTemplate (since v0.7.0)
This rule is recommended by Rome.
Template literals are preferred over string concatenation.
Examples
Invalid
console.log(foo + "baz");style/useTemplate.js:1:13 lint/style/useTemplate FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Template literals are preferred over string concatenation.
> 1 │ console.log(foo + "baz");
│ ^^^^^^^^^^^
2 │
ℹ Suggested fix: Use a TemplateLiteral.
1 │ - console.log(foo·+·"baz");
1 │ + console.log(`${foo}baz`);
2 2 │
console.log(1 * 2 + "foo");style/useTemplate.js:1:13 lint/style/useTemplate FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Template literals are preferred over string concatenation.
> 1 │ console.log(1 * 2 + "foo");
│ ^^^^^^^^^^^^^
2 │
ℹ Suggested fix: Use a TemplateLiteral.
1 │ - console.log(1·*·2·+·"foo");
1 │ + console.log(`${1·*·2}foo`);
2 2 │
console.log(1 + "foo" + 2 + "bar" + "baz" + 3);style/useTemplate.js:1:13 lint/style/useTemplate FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Template literals are preferred over string concatenation.
> 1 │ console.log(1 + "foo" + 2 + "bar" + "baz" + 3);
│ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2 │
ℹ Suggested fix: Use a TemplateLiteral.
1 │ - console.log(1·+·"foo"·+·2·+·"bar"·+·"baz"·+·3);
1 │ + console.log(`${1}foo${2}barbaz${3}`);
2 2 │
console.log((1 + "foo") * 2);style/useTemplate.js:1:14 lint/style/useTemplate FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Template literals are preferred over string concatenation.
> 1 │ console.log((1 + "foo") * 2);
│ ^^^^^^^^^
2 │
ℹ Suggested fix: Use a TemplateLiteral.
1 │ - console.log((1·+·"foo")·*·2);
1 │ + console.log((`${1}foo`)·*·2);
2 2 │
console.log("foo" + 1);style/useTemplate.js:1:13 lint/style/useTemplate FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Template literals are preferred over string concatenation.
> 1 │ console.log("foo" + 1);
│ ^^^^^^^^^
2 │
ℹ Suggested fix: Use a TemplateLiteral.
1 │ - console.log("foo"·+·1);
1 │ + console.log(`foo${1}`);
2 2 │
Valid
console.log("foo" + "bar");
console.log(foo() + "\n");