chore(linker): remove meaningless re-assignment to isFileInThisChunk

[hyf0]

isPartInThisChunk could only be true while isFileInThisChunk = true. So the isFileInThisChunk = true in

esbuild/internal/linker/linker.go

Lines 3759 to 3760 in e08ee89

	if isPartInThisChunk {
	isFileInThisChunk = true

seems meaningless.

See

esbuild/internal/linker/linker.go

Lines 3732 to 3784 in e08ee89

	isFileInThisChunk := chunk.entryBits.Equals(file.EntryBits)
	// Wrapped files can't be split because they are all inside the wrapper
	canFileBeSplit := repr.Meta.Wrap == graph.WrapNone
	// Make sure the generated call to "__export(exports, ...)" comes first
	// before anything else in this file
	if canFileBeSplit && isFileInThisChunk && repr.AST.Parts[js_ast.NSExportPartIndex].IsLive {
	jsParts = appendOrExtendPartRange(jsParts, sourceIndex, js_ast.NSExportPartIndex)
	}
	for partIndex, part := range repr.AST.Parts {
	isPartInThisChunk := isFileInThisChunk && repr.AST.Parts[partIndex].IsLive
	// Also traverse any files imported by this part
	for _, importRecordIndex := range part.ImportRecordIndices {
	record := &repr.AST.ImportRecords[importRecordIndex]
	if record.SourceIndex.IsValid() && (record.Kind == ast.ImportStmt || isPartInThisChunk) {
	if c.isExternalDynamicImport(record, sourceIndex) {
	// Don't follow import() dependencies
	continue
	}
	visit(record.SourceIndex.GetIndex())
	}
	}
	// Then include this part after the files it imports
	if isPartInThisChunk {
	isFileInThisChunk = true
	if canFileBeSplit && uint32(partIndex) != js_ast.NSExportPartIndex && c.shouldIncludePart(repr, part) {
	if sourceIndex == runtime.SourceIndex {
	jsPartsPrefix = appendOrExtendPartRange(jsPartsPrefix, sourceIndex, uint32(partIndex))
	} else {
	jsParts = appendOrExtendPartRange(jsParts, sourceIndex, uint32(partIndex))
	}
	}
	}
	}
	if isFileInThisChunk {
	js = append(js, sourceIndex)
	// CommonJS files are all-or-nothing so all parts must be contiguous
	if !canFileBeSplit {
	jsPartsPrefix = append(jsPartsPrefix, partRange{
	sourceIndex: sourceIndex,
	partIndexBegin: 0,
	partIndexEnd: uint32(len(repr.AST.Parts)),
	})
	}
	}
	}
	}

for more details.