fix: support v10

lib/rules/no-deprecated-modulo-syntax.ts

@@ -13,7 +13,7 @@ import {
   getMessageSyntaxVersions,
   NodeTypes
 } from '../utils/message-compiler/utils'
-import { parse } from '../utils/message-compiler/parser'
+import { parse } from '../utils/message-compiler/parser-v9'
 import { traverseNode } from '../utils/message-compiler/traverser'
 import {
   createRule,
@@ -75,8 +75,6 @@ function create(context: RuleContext): RuleListener {
     }
     if (messageSyntaxVersions.v9) {
       verifyForV9(message, reportNode, getReportOffset)
-    } else if (messageSyntaxVersions.v8) {
-      return
     }
   }
 

lib/rules/prefer-linked-key-with-paren.ts

@@ -42,7 +42,7 @@ function create(context: RuleContext): RuleListener {
   const sourceCode = getSourceCode(context)
   const messageSyntaxVersions = getMessageSyntaxVersions(context)
 
-  function verifyForV9(
+  function verifyForNewSyntax(
     message: string,
     reportNode: JSONAST.JSONStringLiteral | YAMLAST.YAMLScalar,
     getReportOffset: GetReportOffset
@@ -134,14 +134,16 @@ function create(context: RuleContext): RuleListener {
     if (messageSyntaxVersions.reportIfMissingSetting()) {
       return
     }
-    if (messageSyntaxVersions.v9 && messageSyntaxVersions.v8) {
+    const newSyntax = messageSyntaxVersions.v9 || messageSyntaxVersions.v10
+    const v8Syntax = messageSyntaxVersions.v8
+    if (newSyntax && v8Syntax) {
       // This rule cannot support two versions in the same project.
       return
     }
 
-    if (messageSyntaxVersions.v9) {
-      verifyForV9(message, reportNode, getReportOffset)
-    } else if (messageSyntaxVersions.v8) {
+    if (newSyntax) {
+      verifyForNewSyntax(message, reportNode, getReportOffset)
+    } else if (v8Syntax) {
       verifyForV8(message, reportNode, getReportOffset)
     }
   }

lib/rules/valid-message-syntax.ts

@@ -14,6 +14,7 @@ import {
   getReportIndex
 } from '../utils/message-compiler/utils'
 import { parse } from '../utils/message-compiler/parser'
+import { parse as parseForV9 } from '../utils/message-compiler/parser-v9'
 import { parse as parseForV8 } from '../utils/message-compiler/parser-v8'
 import type { CompileError } from '@intlify/message-compiler'
 import { createRule } from '../utils/rule'
@@ -27,9 +28,16 @@ function create(context: RuleContext): RuleListener {
   const messageSyntaxVersions = getMessageSyntaxVersions(context)
 
   function* extractMessageErrors(message: string) {
-    if (messageSyntaxVersions.v9) {
-      yield* parse(message).errors
+    // v10 and v9 generate nearly identical errors so only one of them will be returned.
+    const errorsForV10OrV9: CompileError[] = []
+    if (messageSyntaxVersions.v10) {
+      errorsForV10OrV9.push(...parse(message).errors)
     }
+    if (messageSyntaxVersions.v9 && !errorsForV10OrV9.length) {
+      errorsForV10OrV9.push(...parseForV9(message).errors)
+    }
+    yield* errorsForV10OrV9
+
     if (messageSyntaxVersions.v8) {
       yield* parseForV8(message).errors
     }

lib/utils/collect-linked-keys.ts

@@ -6,6 +6,7 @@ import type { ResourceNode } from '@intlify/message-compiler'
 import { traverseNode } from './message-compiler/traverser'
 import type { I18nLocaleMessageDictionary, RuleContext } from '../types'
 import { parse } from './message-compiler/parser'
+import { parse as parseForV9 } from './message-compiler/parser-v9'
 import { parse as parseForV8 } from './message-compiler/parser-v8'
 import type { MessageSyntaxVersions } from './message-compiler/utils'
 import { NodeTypes } from './message-compiler/utils'
@@ -27,9 +28,12 @@ function* extractUsedKeysFromLinks(
     if (typeof value === 'object') {
       yield* extractUsedKeysFromLinks(value, messageSyntaxVersions)
     } else if (typeof value === 'string') {
-      if (messageSyntaxVersions.v9) {
+      if (messageSyntaxVersions.v10) {
         yield* extractUsedKeysFromAST(parse(value).ast)
       }
+      if (messageSyntaxVersions.v9) {
+        yield* extractUsedKeysFromAST(parseForV9(value).ast)
+      }
       if (messageSyntaxVersions.v8) {
         yield* extractUsedKeysFromAST(parseForV8(value).ast)
       }

lib/utils/message-compiler/parser-v8.ts

@@ -17,6 +17,7 @@ import type {
 } from '@intlify/message-compiler'
 import { sortedLastIndex } from 'lodash'
 import { NodeTypes } from './utils'
+import type { ModuloNamedNode } from './parser-v9'
 
 export function parse(code: string): {
   ast: ResourceNode
@@ -207,7 +208,7 @@ function parseAST(code: string, errors: CompileError[]): ResourceNode {
           node = listNode
         }
         if (!node) {
-          const namedNode: NamedNode = {
+          const namedNode: ModuloNamedNode = {
             type: NodeTypes.Named,
             key: trimmedKeyValue,
             ...ctx.getNodeLoc(endOffset - 1, placeholderEndOffset)

lib/utils/message-compiler/parser-v9.ts

@@ -0,0 +1,59 @@
+/**
+ * A simplified version of the message parser that handles messages like vue-i18n v8.
+ * This parser probably has poor performance.
+ */
+import type {
+  CompileError,
+  NamedNode,
+  ResourceNode
+} from '@intlify/message-compiler'
+import { NodeTypes } from './utils'
+import { parse as baseParse } from './parser'
+import type { MessageElementNode } from './traverser'
+import { traverseNode } from './traverser'
+
+// The deprecated Rails i18n format.
+export type ModuloNamedNode = NamedNode & { modulo?: boolean }
+
+export function parse(code: string): {
+  ast: ResourceNode
+  errors: CompileError[]
+} {
+  const { ast, errors } = baseParse(code)
+
+  traverseNode(ast, node => {
+    if (node.type === NodeTypes.Message) {
+      transformModuloNamedNode(node.items)
+    }
+  })
+  return {
+    ast,
+    errors
+  }
+
+  function transformModuloNamedNode(nodes: MessageElementNode[]) {
+    // Converts nodes with a '%' before the brackets into modulo nodes.
+    for (let index = nodes.length - 1; index >= 1; index--) {
+      const node = nodes[index]
+      if (
+        node.type !== NodeTypes.Named ||
+        code[node.loc!.start.offset - 1] !== '%'
+      )
+        continue
+
+      const prev = nodes[index - 1]
+      if (prev.type !== NodeTypes.Text || !prev.value?.endsWith('%')) continue
+
+      node.modulo = true
+
+      prev.loc!.end.offset -= 1
+      prev.loc!.end.column -= 1
+      prev.end! -= 1
+      prev.value = prev.value!.slice(0, -1)
+      if (prev.start === prev.end) {
+        nodes.splice(index - 1, 1)
+        index--
+      }
+    }
+  }
+}

lib/utils/message-compiler/traverser.ts

@@ -11,13 +11,15 @@ import type {
   TextNode
 } from '@intlify/message-compiler'
 import { NodeTypes } from './utils'
+import type { ModuloNamedNode } from './parser-v9'
 
-type MessageElementNode =
+export type MessageElementNode =
   | TextNode
   | NamedNode
   | ListNode
   | LiteralNode
   | LinkedNode
+  | ModuloNamedNode
 type MessageASTNode =
   | ResourceNode
   | PluralNode

lib/utils/message-compiler/utils.ts

@@ -19,6 +19,7 @@ export const NodeTypes = {
 export type MessageSyntaxVersions = {
   v8: boolean
   v9: boolean
+  v10: boolean
   isNotSet: boolean
   reportIfMissingSetting: () => boolean
 }
@@ -37,6 +38,7 @@ export function getMessageSyntaxVersions(
     return {
       v8: true,
       v9: true,
+      v10: true,
       isNotSet: true,
       reportIfMissingSetting: () => {
         if (!puttedSettingsError.has(context)) {
@@ -54,7 +56,8 @@ export function getMessageSyntaxVersions(
   const range = new Range(messageSyntaxVersion)
   return {
     v8: intersects(range, '^8.0.0 || <=8.0.0'),
-    v9: intersects(range, '>=9.0.0-0'),
+    v9: intersects(range, '^9.0.0-0'),
+    v10: intersects(range, '>=10.0.0-0'),
     isNotSet: false,
     reportIfMissingSetting: () => false
   }

package.json

@@ -61,7 +61,7 @@
   "dependencies": {
     "@eslint/eslintrc": "^3.0.0",
     "@intlify/core-base": "^10.0.0",
-    "@intlify/message-compiler": "^10.0.0",
+    "@intlify/message-compiler": "^10.0.5",
     "debug": "^4.3.4",
     "eslint-compat-utils": "^0.6.0",
     "glob": "^10.3.3",

tests/lib/rules/no-deprecated-modulo-syntax.ts

@@ -18,7 +18,7 @@ const tester = new RuleTester({
   languageOptions: { parser: vueParser, ecmaVersion: 2015 }
 })
 
-tester.run('no-deprecated-module-syntax', rule as never, {
+tester.run('no-deprecated-modulo-syntax', rule as never, {
   valid: [
     // text only
     {