[JSON] Trailing comments are not handled #5263
Description
We use the js expression parser (which shares the same printer with JSON) to parse binding syntax in HTML, but the trailing comments are removed (reported by #5259 (comment)).
Prettier 1.14.3
Playground link
--parser jsonInput:
Output:
Error: Comment "TODO: use id when links will be provided by API" was not printed. Please report this error!
at https://prettier.io/lib/standalone.js:10671:13
at Array.forEach (<anonymous>)
at ensureAllCommentsPrinted (https://prettier.io/lib/standalone.js:10669:15)
at coreFormat (https://prettier.io/lib/standalone.js:10719:3)
at format (https://prettier.io/lib/standalone.js:10874:16)
at formatWithCursor (https://prettier.io/lib/standalone.js:10886:12)
at https://prettier.io/lib/standalone.js:21134:15
at Object.format (https://prettier.io/lib/standalone.js:21142:12)
at formatCode (https://prettier.io/worker.js:188:21)
at handleMessage (https://prettier.io/worker.js:139:18)Expected behavior:
Comments are printed.
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Issues with how Prettier prints commentsIssues affecting JSONPlease open a new issue and fill out the template instead of commenting.Code is printed in a way that alters the AST, breaks syntax, or is a significant regression. Urgent!Issues with an accompanying pull request. These issues will probably be fixed soon!
index /* TODO: use id when links will be provided by API */