to avoid conflicts with #912 we changed isPrettier2 from a function t…

…o a constant checked at the loading of the module

src/common/backward-compatibility.js

@@ -1,46 +1,46 @@
 import { util } from 'prettier';
 import { prettierVersionSatisfies } from './util.js';
 
-export const isPrettier2 = () => prettierVersionSatisfies('^2.3.0');
+export const isPrettier2 = prettierVersionSatisfies('^2.3.0');
 
 // The functions in this file will never be 100% covered in a single run
 // since it depends on the version of Prettier being used.
 // Mocking the behaviour will introduce a lot of maintenance in the tests.
 
 export function isNextLineEmpty(text, startIndex) {
-  return isPrettier2()
+  return isPrettier2
     ? util.isNextLineEmptyAfterIndex(text, startIndex)
     : util.isNextLineEmpty(text, startIndex); // V3 deprecated `isNextLineEmptyAfterIndex`
 }
 
 export function getNextNonSpaceNonCommentCharacterIndex(text, node, locEnd) {
-  return isPrettier2()
+  return isPrettier2
     ? util.getNextNonSpaceNonCommentCharacterIndex(text, node, locEnd)
     : util.getNextNonSpaceNonCommentCharacterIndex(text, locEnd(node)); // V3 signature changed
 }
 
 export function getNextNonSpaceNonCommentCharacter(text, node, locEnd) {
-  return isPrettier2()
+  return isPrettier2
     ? text.charAt(
         util.getNextNonSpaceNonCommentCharacterIndex(text, node, locEnd)
       )
     : util.getNextNonSpaceNonCommentCharacter(text, locEnd(node)); // V3 exposes this function directly
 }
 
 export function isFirst(path, _, index) {
-  return isPrettier2() ? index === 0 : path.isFirst;
+  return isPrettier2 ? index === 0 : path.isFirst;
 }
 
 export function isLast(path, key, index) {
-  return isPrettier2()
+  return isPrettier2
     ? index === path.getParentNode()[key].length - 1
     : path.isLast;
 }
 
 export function previous(path, key, index) {
-  return isPrettier2() ? path.getParentNode()[key][index - 1] : path.previous;
+  return isPrettier2 ? path.getParentNode()[key][index - 1] : path.previous;
 }
 
 export function next(path, key, index) {
-  return isPrettier2() ? path.getParentNode()[key][index + 1] : path.next;
+  return isPrettier2 ? path.getParentNode()[key][index + 1] : path.next;
 }

src/common/printer-helpers.js

@@ -33,7 +33,7 @@ export const printComments = (node, path, options, filter = () => true) => {
   // since it depends on the version of Prettier being used.
   // Mocking the behaviour will introduce a lot of maintenance in the tests.
   /* c8 ignore start */
-  return isPrettier2()
+  return isPrettier2
     ? document.parts // Prettier V2
     : document; // Prettier V3
   /* c8 ignore stop */