🚀 Grammar-Aware Code Formatter: Structure through separation (supports Go, JavaScript, TypeScript, JSX, and TSX)
go
formatter
code-formatter
javascript
typescript
jsx
tsx
perf: Precompile regular expressions
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-7
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-7
formatter.go
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-7
formatter.go
···
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"strings"
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)
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+
var (
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closingBracePattern = regexp.MustCompile(`^\s*[\}\)]`)
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openingBracePattern = regexp.MustCompile(`[\{\(]\s*$`)
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caseLabelPattern = regexp.MustCompile(`^\s*(case\s+.*|default\s*):\s*$`)
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commentOnlyPattern = regexp.MustCompile(`^\s*//`)
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packageLinePattern = regexp.MustCompile(`^package\s+`)
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)
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+
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type CommentMode int
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const (
···
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var result []string
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-
closingBracePattern := regexp.MustCompile(`^\s*[\}\)]`)
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openingBracePattern := regexp.MustCompile(`[\{\(]\s*$`)
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caseLabelPattern := regexp.MustCompile(`^\s*(case\s+.*|default\s*):\s*$`)
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commentOnlyPattern := regexp.MustCompile(`^\s*//`)
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packageLinePattern := regexp.MustCompile(`^package\s+`)
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previousWasOpenBrace := false
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previousType := ""
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previousWasComment := false
···
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}
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func (f *Formatter) findNextNonCommentLine(lines []string, startIndex int) int {
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commentOnlyPattern := regexp.MustCompile(`^\s*//`)
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-
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for index := startIndex; index < len(lines); index++ {
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trimmed := strings.TrimSpace(lines[index])
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