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Improved argument injections handling
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src/main/kotlin/com/intellij/StyledComponents/InjectionUtils.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,40 +1,86 @@ | ||
| package com.intellij.styledComponents | ||
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| import com.intellij.lang.javascript.JSTokenTypes | ||
| import com.intellij.lang.javascript.psi.JSExpression | ||
| import com.intellij.lang.javascript.psi.ecma6.JSStringTemplateExpression | ||
| import com.intellij.openapi.util.Key | ||
| import com.intellij.openapi.util.TextRange | ||
| import com.intellij.openapi.util.registry.Registry | ||
| import com.intellij.psi.PsiElement | ||
| import com.intellij.psi.PsiLanguageInjectionHost | ||
| import com.intellij.psi.PsiRecursiveElementWalkingVisitor | ||
| import com.intellij.util.ArrayUtil | ||
| import com.intellij.util.containers.ContainerUtil | ||
| import java.util.* | ||
| import kotlin.math.max | ||
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| private const val EXTERNAL_FRAGMENT = "EXTERNAL_FRAGMENT" | ||
| private const val EXPERIMENTAL_INJECTIONS = "styled.components.experimental.injections" | ||
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| fun getInjectionPlaces(quotedLiteral: PsiElement): List<StringPlace> { | ||
| if (quotedLiteral is JSStringTemplateExpression) { | ||
| val ranges = quotedLiteral.stringRanges | ||
| val arguments = quotedLiteral.arguments | ||
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| fun getInjectionPlaces(myQuotedLiteral: PsiElement): List<StringPlace> { | ||
| if (myQuotedLiteral is JSStringTemplateExpression) { | ||
| val templateExpression = myQuotedLiteral | ||
| val ranges = templateExpression.stringRanges | ||
| if (ranges.isNotEmpty()) { | ||
| val result = ArrayList<StringPlace>(ranges.size) | ||
| val quotedLiteralNode = myQuotedLiteral.getNode() | ||
| val backquote = quotedLiteralNode.findChildByType(JSTokenTypes.BACKQUOTE) | ||
| val backquoteOffset = if (backquote != null) backquote.startOffset - quotedLiteralNode.startOffset else -1 | ||
| var lastArgumentIndex = -1 | ||
|
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| for (i in ranges.indices) { | ||
| val range = ranges[i] | ||
| val prefix = if (i == 0 && range.startOffset > backquoteOffset + 1) EXTERNAL_FRAGMENT else null | ||
| val suffix = if (i < ranges.size - 1 || range.endOffset < myQuotedLiteral.getTextLength() - 1) EXTERNAL_FRAGMENT else null | ||
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| // styled.div`padding: ${'none'}${'IGNORED_ARGUMENT'}${'display'}: none;` | ||
| // |_________|_______|____________________|___________|______| | ||
| // Text Suffix Ignored Prefix Text | ||
| // |__________________| |__________________| | ||
| // 1 fragment 2 fragment | ||
|
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| var currentIndex = adjustPrecedingArgumentIndex(lastArgumentIndex, range, arguments) | ||
| val prefix = if (currentIndex != lastArgumentIndex) | ||
| getArgumentPlaceholder(arguments.elementAtOrNull(currentIndex)) else null | ||
|
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| val suffix = getArgumentPlaceholder(arguments.elementAtOrNull(++currentIndex)) | ||
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| lastArgumentIndex = currentIndex | ||
| result.add(StringPlace(prefix, range, suffix)) | ||
| } | ||
| return result | ||
| } | ||
| if (!ArrayUtil.isEmpty(templateExpression.arguments)) { | ||
| if (!ArrayUtil.isEmpty(arguments)) { | ||
| return ContainerUtil.emptyList() | ||
| } | ||
| } | ||
| val endOffset = Math.max(myQuotedLiteral.textLength - 1, 1) | ||
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| val endOffset = max(quotedLiteral.textLength - 1, 1) | ||
| return listOf(StringPlace(null, TextRange.create(1, endOffset), null)) | ||
| } | ||
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| private fun adjustPrecedingArgumentIndex(startIndex: Int, range: TextRange, arguments: Array<JSExpression>): Int { | ||
| var current = startIndex | ||
|
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| while (true) { | ||
| val argument = arguments.getOrNull(current + 1) | ||
| if (argument == null || argument.textRangeInParent.startOffset > range.endOffset) return current | ||
| current++ | ||
| } | ||
| } | ||
|
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| private fun getArgumentPlaceholder(argumentExpression: JSExpression?): String? { | ||
| if (argumentExpression == null) return null | ||
| else if (!Registry.`is`(EXPERIMENTAL_INJECTIONS)) return EXTERNAL_FRAGMENT | ||
|
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| var hasChildInjection = false | ||
| argumentExpression.accept(object : PsiRecursiveElementWalkingVisitor() { | ||
| override fun visitElement(element: PsiElement?) { | ||
| if (element is PsiLanguageInjectionHost && StyledComponentsInjector.matchInjectionTarget(element) != null) { | ||
| hasChildInjection = true | ||
| stopWalking() | ||
| } | ||
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| super.visitElement(element) | ||
| } | ||
| }) | ||
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| return if (hasChildInjection) null else EXTERNAL_FRAGMENT | ||
| } | ||
|
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| data class StringPlace(val prefix: String?, val range: TextRange, val suffix: String?) |
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