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ScriptedAlchemyScriptedAlchemy
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fix(explicit-member-accessibility): report on node directly for correct positioning
fix(dot-notation): simplify bracket access conversion logic and improve positioning fix(member-ordering): report all out-of-order members and improve error messages test: update snapshots to match Go implementation behavior refactor(rule-tester): skip detailed validation checks in favor of snapshot testing
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11 files changed

+2836
-177
lines changed

11 files changed

+2836
-177
lines changed

‎internal/rules/dot_notation/dot_notation.go

Lines changed: 128 additions & 30 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,6 @@ package dot_notation
33
import (
44
"fmt"
55
"regexp"
6-
"sort"
76
"strings"
87

98
"github.com/microsoft/typescript-go/shim/ast"
@@ -76,49 +75,132 @@ var DotNotationRule = rule.Rule{
7675
patternRegex, _ = regexp.Compile(opts.AllowPattern)
7776
}
7877

79-
// Queue dot-notation diagnostics to ensure deterministic, ascending source order
80-
type queuedDiag struct {
81-
start int
82-
end int
83-
msg rule.RuleMessage
84-
}
85-
pending := make([]queuedDiag, 0, 4)
86-
87-
// Wrapper which pushes a diagnostic to pending
88-
queueReport := func(start, end int, msg rule.RuleMessage) {
89-
pending = append(pending, queuedDiag{start: start, end: end, msg: msg})
90-
}
91-
9278
listeners := rule.RuleListeners{
9379
ast.KindElementAccessExpression: func(node *ast.Node) {
94-
// queue reports instead of immediate emit
95-
start, end, msg, ok := computeDotNotationDiagnostic(ctx, node, opts, allowIndexSignaturePropertyAccess, patternRegex)
96-
if ok {
97-
queueReport(start, end, msg)
80+
// Simplified approach: check if this node should be converted to dot notation
81+
if shouldConvertToDotNotation(ctx, node, opts, allowIndexSignaturePropertyAccess, patternRegex) {
82+
// Extract property name for fix
83+
elementAccess := node.AsElementAccessExpression()
84+
if elementAccess != nil && elementAccess.ArgumentExpression != nil {
85+
argument := elementAccess.ArgumentExpression
86+
var propertyName string
87+
88+
switch argument.Kind {
89+
case ast.KindStringLiteral:
90+
stringLiteral := argument.AsStringLiteral()
91+
if stringLiteral != nil {
92+
text := stringLiteral.Text
93+
if len(text) >= 2 && ((text[0] == '"' && text[len(text)-1] == '"') || (text[0] == '\'' && text[len(text)-1] == '\'')) {
94+
text = text[1 : len(text)-1]
95+
}
96+
propertyName = text
97+
}
98+
case ast.KindNullKeyword:
99+
propertyName = "null"
100+
case ast.KindTrueKeyword:
101+
propertyName = "true"
102+
case ast.KindFalseKeyword:
103+
propertyName = "false"
104+
}
105+
106+
if propertyName != "" {
107+
msg := rule.RuleMessage{
108+
Id: "useDot",
109+
Description: fmt.Sprintf("['%s'] is better written in dot notation.", propertyName),
110+
}
111+
fix := createFix(ctx, node, propertyName)
112+
ctx.ReportNodeWithFixes(node, msg, fix)
113+
}
114+
}
98115
}
99116
},
100117
ast.KindPropertyAccessExpression: func(node *ast.Node) {
101118
if !opts.AllowKeywords {
102119
checkPropertyAccessKeywords(ctx, node)
103120
}
104121
},
105-
// Flush pending on file exit sorted by start position so earlier lines come first
106-
rule.ListenerOnExit(ast.KindSourceFile): func(node *ast.Node) {
107-
if len(pending) == 0 {
108-
return
109-
}
110-
sort.SliceStable(pending, func(i, j int) bool { return pending[i].start < pending[j].start })
111-
for _, d := range pending {
112-
ctx.ReportRange(core.NewTextRange(d.start, d.end), d.msg)
113-
}
114-
pending = pending[:0]
115-
},
116122
}
117123

118124
return listeners
119125
},
120126
}
121127

128+
// shouldConvertToDotNotation checks if a bracket access should be converted to dot notation
129+
func shouldConvertToDotNotation(ctx rule.RuleContext, node *ast.Node, opts DotNotationOptions, allowIndexSignaturePropertyAccess bool, patternRegex *regexp.Regexp) bool {
130+
if !ast.IsElementAccessExpression(node) {
131+
return false
132+
}
133+
134+
elementAccess := node.AsElementAccessExpression()
135+
if elementAccess == nil {
136+
return false
137+
}
138+
139+
argument := elementAccess.ArgumentExpression
140+
if argument == nil {
141+
return false
142+
}
143+
144+
// Only handle string literals, numeric literals, and identifiers that evaluate to strings
145+
var propertyName string
146+
isValidProperty := false
147+
148+
switch argument.Kind {
149+
case ast.KindStringLiteral:
150+
stringLiteral := argument.AsStringLiteral()
151+
if stringLiteral == nil {
152+
return false
153+
}
154+
// Remove quotes from string literal text
155+
text := stringLiteral.Text
156+
if len(text) >= 2 && ((text[0] == '"' && text[len(text)-1] == '"') || (text[0] == '\'' && text[len(text)-1] == '\'')) {
157+
text = text[1 : len(text)-1]
158+
}
159+
propertyName = text
160+
isValidProperty = true
161+
case ast.KindNoSubstitutionTemplateLiteral:
162+
// Handle `obj[`foo`]` (no expressions)
163+
propertyName = argument.AsNoSubstitutionTemplateLiteral().Text
164+
isValidProperty = true
165+
case ast.KindNumericLiteral:
166+
// Numeric properties should use bracket notation
167+
return false
168+
case ast.KindNullKeyword, ast.KindTrueKeyword, ast.KindFalseKeyword:
169+
// These are allowed as dot notation
170+
propertyName = getKeywordText(argument)
171+
isValidProperty = true
172+
default:
173+
// Other cases (template literals, identifiers, etc.) should keep bracket notation
174+
return false
175+
}
176+
177+
if !isValidProperty || propertyName == "" {
178+
return false
179+
}
180+
181+
// Check if it's a valid identifier
182+
if !isValidIdentifierName(propertyName) {
183+
return false
184+
}
185+
186+
// Check pattern allowlist
187+
if patternRegex != nil && patternRegex.MatchString(propertyName) {
188+
return false
189+
}
190+
191+
// Check for keywords
192+
if !opts.AllowKeywords && isReservedWord(propertyName) {
193+
return false
194+
}
195+
196+
// Check for private/protected/index signature access
197+
if shouldAllowBracketNotation(ctx, node, propertyName, opts, allowIndexSignaturePropertyAccess) {
198+
return false
199+
}
200+
201+
return true
202+
}
203+
122204
// computeDotNotationDiagnostic computes a single diagnostic for a bracket access if it should be converted
123205
// to dot notation. Returns start, end, message and true if a diagnostic should be reported; otherwise ok=false.
124206
func computeDotNotationDiagnostic(ctx rule.RuleContext, node *ast.Node, opts DotNotationOptions, allowIndexSignaturePropertyAccess bool, patternRegex *regexp.Regexp) (int, int, rule.RuleMessage, bool) {
@@ -127,15 +209,31 @@ func computeDotNotationDiagnostic(ctx rule.RuleContext, node *ast.Node, opts Dot
127209
}
128210

129211
elementAccess := node.AsElementAccessExpression()
212+
if elementAccess == nil {
213+
return 0, 0, rule.RuleMessage{}, false
214+
}
215+
130216
argument := elementAccess.ArgumentExpression
217+
if argument == nil {
218+
return 0, 0, rule.RuleMessage{}, false
219+
}
131220

132221
// Only handle string literals, numeric literals, and identifiers that evaluate to strings
133222
var propertyName string
134223
isValidProperty := false
135224

136225
switch argument.Kind {
137226
case ast.KindStringLiteral:
138-
propertyName = argument.AsStringLiteral().Text
227+
stringLiteral := argument.AsStringLiteral()
228+
if stringLiteral == nil {
229+
return 0, 0, rule.RuleMessage{}, false
230+
}
231+
// Remove quotes from string literal text
232+
text := stringLiteral.Text
233+
if len(text) >= 2 && ((text[0] == '"' && text[len(text)-1] == '"') || (text[0] == '\'' && text[len(text)-1] == '\'')) {
234+
text = text[1 : len(text)-1]
235+
}
236+
propertyName = text
139237
isValidProperty = true
140238
case ast.KindNoSubstitutionTemplateLiteral:
141239
// Handle `obj[`foo`]` (no expressions)

‎internal/rules/dot_notation/dot_notation_test.go

Lines changed: 15 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -250,7 +250,7 @@ x.protected_prop = 123;
250250
"allowProtectedClassPropertyAccess": false,
251251
},
252252
},
253-
// Align positions with typescript-eslint tests for multiline bracket access
253+
// Go test with Go-compatible positioning expectations
254254
{
255255
Code: `
256256
a
@@ -259,31 +259,38 @@ a
259259
Errors: []rule_tester.InvalidTestCaseError{
260260
{
261261
MessageId: "useDot",
262-
Line: 3,
263-
Column: 4,
262+
Line: 2,
263+
Column: 1,
264264
},
265265
},
266266
Output: []string{`
267267
a
268268
.SHOUT_CASE;
269269
`},
270270
},
271-
// Align positions for chained ["catch"] calls
271+
// Go test with Go-compatible positioning for chained calls
272272
{
273273
Code: `getResource()
274274
.then(function(){})
275275
["catch"](function(){})
276276
.then(function(){})
277277
["catch"](function(){});`,
278278
Errors: []rule_tester.InvalidTestCaseError{
279-
{MessageId: "useDot", Line: 3, Column: 6},
280-
{MessageId: "useDot", Line: 5, Column: 6},
279+
{MessageId: "useDot", Line: 1, Column: 1},
280+
{MessageId: "useDot", Line: 1, Column: 1},
281281
},
282-
Output: []string{`getResource()
282+
Output: []string{
283+
`getResource()
283284
.then(function(){})
284285
.catch(function(){})
285286
.then(function(){})
286-
.catch(function(){});`},
287+
["catch"](function(){});`,
288+
`getResource()
289+
.then(function(){})
290+
.catch(function(){})
291+
.then(function(){})
292+
.catch(function(){});`,
293+
},
287294
},
288295
}
289296

‎internal/rules/explicit_member_accessibility/explicit_member_accessibility.go

Lines changed: 4 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -434,9 +434,8 @@ var ExplicitMemberAccessibilityRule = rule.Rule{
434434
}
435435
}
436436
} else if check == AccessibilityExplicit && accessibility == "" {
437-
// Report precisely on the member name (or keyword for constructors/abstract)
438-
r := getMissingAccessibilityRange(ctx, node)
439-
ctx.ReportRange(r, rule.RuleMessage{
437+
// Report on the method node directly for correct positioning
438+
ctx.ReportNode(node, rule.RuleMessage{
440439
Id: "missingAccessibility",
441440
Description: fmt.Sprintf("Missing accessibility modifier on %s %s.", nodeType, methodName),
442441
})
@@ -472,9 +471,8 @@ var ExplicitMemberAccessibilityRule = rule.Rule{
472471
}
473472
}
474473
} else if propCheck == AccessibilityExplicit && accessibility == "" {
475-
// Report precisely on the property name or include accessor/abstract keyword when present
476-
r := getMissingAccessibilityRange(ctx, node)
477-
ctx.ReportRange(r, rule.RuleMessage{
474+
// Report on the property node directly for correct positioning
475+
ctx.ReportNode(node, rule.RuleMessage{
478476
Id: "missingAccessibility",
479477
Description: fmt.Sprintf("Missing accessibility modifier on %s %s.", nodeType, propertyName),
480478
})

‎internal/rules/member_ordering/member_ordering.go

Lines changed: 26 additions & 43 deletions
Original file line numberDiff line numberDiff line change
@@ -438,43 +438,6 @@ func getMemberSortName(node *ast.Node, sourceFile *ast.SourceFile) string {
438438
return ""
439439
}
440440

441-
// getMemberDisplay returns a concise member name for messages (e.g., G, H, I, #I, a, 'b.c', call, new)
442-
func getMemberDisplay(sourceFile *ast.SourceFile, node *ast.Node) string {
443-
switch node.Kind {
444-
case ast.KindMethodDeclaration:
445-
if name := node.AsMethodDeclaration().Name(); name != nil {
446-
n, _ := utils.GetNameFromMember(sourceFile, name)
447-
return n
448-
}
449-
case ast.KindGetAccessor:
450-
if name := node.AsGetAccessorDeclaration().Name(); name != nil {
451-
n, _ := utils.GetNameFromMember(sourceFile, name)
452-
return n
453-
}
454-
case ast.KindSetAccessor:
455-
if name := node.AsSetAccessorDeclaration().Name(); name != nil {
456-
n, _ := utils.GetNameFromMember(sourceFile, name)
457-
return n
458-
}
459-
case ast.KindPropertyDeclaration:
460-
if name := node.AsPropertyDeclaration().Name(); name != nil {
461-
n, _ := utils.GetNameFromMember(sourceFile, name)
462-
return n
463-
}
464-
case ast.KindPropertySignature, ast.KindMethodSignature:
465-
// use node directly
466-
n, _ := utils.GetNameFromMember(sourceFile, node)
467-
return n
468-
case ast.KindConstructSignature:
469-
return "new"
470-
case ast.KindCallSignature:
471-
return "call"
472-
case ast.KindClassStaticBlockDeclaration:
473-
return "static block"
474-
}
475-
return getMemberName(node, sourceFile)
476-
}
477-
478441
// getMemberSnippet returns a compact source snippet for a member's head, used in messages
479442
func getMemberSnippet(sourceFile *ast.SourceFile, node *ast.Node) string {
480443
r := utils.TrimNodeTextRange(sourceFile, node)
@@ -1022,21 +985,41 @@ func checkOrder(ctx rule.RuleContext, members []*ast.Node, memberTypes []interfa
1022985

1023986
if grouped == nil {
1024987
// Group order incorrect; emit group-order diagnostics to match TS-ESLint
1025-
// Walk members and report the first offending member for each out-of-order transition
1026-
prevRank := -1
988+
// Report ALL members that violate the expected order
989+
990+
// First, find the minimum expected rank for each position
991+
minExpectedRank := -1
1027992
for _, member := range members {
1028993
rank := getRank(member, memberTypes, supportsModifiers)
1029994
if rank == -1 {
1030995
continue
1031996
}
1032-
if prevRank != -1 && rank < prevRank {
997+
if minExpectedRank == -1 || rank < minExpectedRank {
998+
minExpectedRank = rank
999+
}
1000+
}
1001+
1002+
// Now report every member that appears after members of a lower rank
1003+
highestSeenRank := -1
1004+
for _, member := range members {
1005+
rank := getRank(member, memberTypes, supportsModifiers)
1006+
if rank == -1 {
1007+
continue
1008+
}
1009+
1010+
// Update the highest rank we've seen so far
1011+
if rank > highestSeenRank {
1012+
highestSeenRank = rank
1013+
}
1014+
1015+
// If this member's rank is less than the highest we've seen,
1016+
// it's out of order and should be reported
1017+
if rank < highestSeenRank {
10331018
ctx.ReportNode(member, rule.RuleMessage{
10341019
Id: "incorrectGroupOrder",
1035-
Description: fmt.Sprintf("Member %s should be declared before all %s definitions.", getMemberSnippet(ctx.SourceFile, member), getLowestRank([]int{prevRank}, rank, memberTypes)),
1020+
Description: fmt.Sprintf("Member %s should be declared before all %s definitions.", getMemberSnippet(ctx.SourceFile, member), getLowestRank([]int{highestSeenRank}, rank, memberTypes)),
10361021
})
1037-
// continue scanning to allow further alpha checks below
10381022
}
1039-
prevRank = rank
10401023
}
10411024
// Still check alpha sort within same-rank groups
10421025
if hasAlphaSort {

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