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Don't escape valid Unicode characters in strings

See original GitHub issue

TypeScript Version: 3.7.4

Code

const sf = createSourceFile(
  'aaa',
  'const a: string = "哈哈"',
  ScriptTarget.Latest
)
// try to do sth in transfrom.
const result = transform(sf, [])
const printer = createPrinter()
const printed = printer.printNode(
  EmitHint.SourceFile,
  result.transformed[0],
  sf
)
console.log(printed)

Expected behavior: const a: string = “哈哈”

Actual behavior: const a: string = “\u54C8\u54C8”;

I am trying to use compiler api to do some transform. but the Printer seems could not generate the decoded unicode characters. wonder how to do this right?

Issue Analytics

State:
Created 4 years ago
Reactions:6
Comments:6 (3 by maintainers)

Top GitHub Comments

11reactions

git9amcommented, Mar 11, 2020

Hitting same issue. Our workaround:

    let content = printer.printFile(file);
    content = unescape(content.replace(/\\u/g, "%u"));

0reactions

DanielRosenwassercommented, Jan 14, 2020

No, it was strictly ease of implementation at the time. I’m marking this as Difficult because any contribution needs very thorough test code.

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