Raw strings forced on a separate line by indent rule

[lwasyl]

KtLint 0.36.0

Raw strings don't seem to play well with indent experimental rule. For example this:

description = """
    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Mauris lacus arcu, blandit non semper elementum,
    """.trimIndent(),

reports an error: [experimental:indent] Missing newline after "="

This (weird) formatting:

description =
"""
    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Mauris lacus arcu, blandit non semper elementum,
    """.trimIndent(),

reports wrong indentation for the first """, however this:

description =
    """
    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Mauris lacus arcu, blandit non semper elementum,
    """.trimIndent(),

is automatically reformatted by IntellIJ to the previous variant (with first """ not indented)

[henrikbarium]

This behavior is especially annoying when using single-line raw strings, e.g. as function arguments. (Using named parameters makes it even worse.)

data class Example(val string: String)
val e = Example(string = """a"b"c""")

The above code snippet is auto-formatted by ktlint into the following.

data class Example(val string: String)
val e = Example(string =
        """a"b"c""")

However, this is not valid according to ktlint, so it also includes some errors.

• Missing newline before ")"
• Missing newline after "("

Running ktlint with auto formatting again then gives the following.

data class Person(val name: String)
val p = Person(
    name =
        """a"b"c"""
)

This is quite a lot worse than the initial code example, especially if we add more arguments (which may even contain raw strings).

[adwsingh]

I was planning to work on this, if nobody has already started.

[romtsn]

@MehWhatever would be awesome, most likely it's just commenting out these lines:

ktlint/ktlint-ruleset-standard/src/main/kotlin/com/pinterest/ktlint/ruleset/standard/IndentationRule.kt

Lines 336 to 339 in 94b62e2

	// force """ to be on a separate line
	if (!node.nextCodeLeaf().isRawString()) {
	return
	}

But I'm not sure, definitely needs some testing.

[cortinico]

Adding another example to this issue. The following line:

val html = """<span style="color:red;">my span</span>"""

Gets reformatted by ktlint v0.37.2 to this:

val html =
    """<span style="color:red;">my span</span>"""