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typescript-ts-mode: align ternary-chain branches (bug#78187)

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* lisp/progmodes/typescript-ts-mode.el:
(typescript-ts-mode--indent-rules): Make sure each new ternary
branch is aligned with the previous one.
* test/lisp/progmodes/typescript-ts-mode-resources/indent.erts:
(Chained ternary expressions): New test.
This commit is contained in:
Konstantin Kharlamov 2025-05-01 20:28:29 +07:00 • committed by Yuan Fu
parent 16bfbc6fe3
commit c80fbe3f23
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GPG key ID: 56E19BC57664A442
2 changed files with 10 additions and 1 deletions
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2
lisp/progmodes/typescript-ts-mode.el
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@ -118,7 +118,7 @@ Argument LANGUAGE is either `typescript' or `tsx'."
((and (parent-is "comment") c-ts-common-looking-at-star) ((and (parent-is "comment") c-ts-common-looking-at-star)
c-ts-common-comment-start-after-first-star -1) c-ts-common-comment-start-after-first-star -1)
((parent-is "comment") prev-adaptive-prefix 0) ((parent-is "comment") prev-adaptive-prefix 0)
((parent-is "ternary_expression") parent-bol typescript-ts-mode-indent-offset) ((parent-is "ternary_expression") standalone-parent typescript-ts-mode-indent-offset)
((parent-is "member_expression") parent-bol typescript-ts-mode-indent-offset) ((parent-is "member_expression") parent-bol typescript-ts-mode-indent-offset)
((parent-is "named_imports") parent-bol typescript-ts-mode-indent-offset) ((parent-is "named_imports") parent-bol typescript-ts-mode-indent-offset)
((parent-is "statement_block") parent-bol typescript-ts-mode-indent-offset) ((parent-is "statement_block") parent-bol typescript-ts-mode-indent-offset)

9
test/lisp/progmodes/typescript-ts-mode-resources/indent.erts
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@ -93,6 +93,15 @@ const foo = () => {
}; };
=-=-= =-=-=
Name: Chained ternary expressions
=-=
const a = cond1 ? 1
: cond2 ? 2
: cond3 ? 3
: 4;
=-=-=
Code: Code:
(lambda () (lambda ()
(setq indent-tabs-mode nil) (setq indent-tabs-mode nil)