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TypeError: Cannot read properties of undefined (reading 'type') #15912

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epmatsw opened this issue Jan 12, 2024 · 2 comments · Fixed by #15915
Closed

TypeError: Cannot read properties of undefined (reading 'type') #15912

epmatsw opened this issue Jan 12, 2024 · 2 comments · Fixed by #15915
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lang:javascript Issues affecting JS locked-due-to-inactivity Please open a new issue and fill out the template instead of commenting. priority:high Code is printed in a way that alters the AST, breaks syntax, or is a significant regression. Urgent! type:bug Issues identifying ugly output, or a defect in the program

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@epmatsw
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epmatsw commented Jan 12, 2024

Prettier 3.2.0
Playground link

--parser typescript

Input:

test()
	.test2()
	.test2(thing?.something);

Output:

TypeError: Cannot read properties of undefined (reading 'type')
    at Jn (https://prettier.io/lib/plugins/estree.js:7:16595)
    at be (https://prettier.io/lib/plugins/estree.js:9:605)
    at be (https://prettier.io/lib/plugins/estree.js:10:289)
    at https://prettier.io/lib/plugins/estree.js:36:14282
    at Array.every (<anonymous>)
    at https://prettier.io/lib/plugins/estree.js:36:14273
    at Array.some (<anonymous>)
    at Oi (https://prettier.io/lib/plugins/estree.js:36:14252)
    at Kr (https://prettier.io/lib/plugins/estree.js:36:14852)
    at Ta (https://prettier.io/lib/plugins/estree.js:36:58423)

Expected output:

Not exactly sure, it's an error.

Why?

This was not an error in 3.1.x.
@sosukesuzuki
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Thank you! I'll look into this

@sosukesuzuki sosukesuzuki mentioned this issue Jan 12, 2024
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@sosukesuzuki sosukesuzuki added type:bug Issues identifying ugly output, or a defect in the program priority:high Code is printed in a way that alters the AST, breaks syntax, or is a significant regression. Urgent! lang:javascript Issues affecting JS labels Jan 12, 2024
@sosukesuzuki
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Fixed https://github.com/prettier/prettier/releases/tag/3.2.1

@Mozartuss Mozartuss mentioned this issue Jan 12, 2024
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@github-actions github-actions bot added the locked-due-to-inactivity Please open a new issue and fill out the template instead of commenting. label Apr 12, 2024
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Apr 12, 2024
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lang:javascript Issues affecting JS locked-due-to-inactivity Please open a new issue and fill out the template instead of commenting. priority:high Code is printed in a way that alters the AST, breaks syntax, or is a significant regression. Urgent! type:bug Issues identifying ugly output, or a defect in the program
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Fix formatting error on member chain sosukesuzuki/prettier
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@epmatsw @sosukesuzuki