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fix excessive gleam.mjs generation #3300

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merged 1 commit into from
Jun 22, 2024

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ofekd
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@ofekd ofekd commented Jun 20, 2024

This patch fixes excessive generation by checking for file existence.

An earlier attempt (#3238) had done this by checking for empty modules, noting in its commit message that file existence checks will cause old gleam.mjs to never be updated when a new version is available. I have since learned that that was incorrect, as new versions of gleam delete build folders created by previous versions.

closes #3178

@ofekd ofekd force-pushed the fix-gleammjs-generation-2 branch 2 times, most recently from 76f1f64 to 39a7960 Compare June 20, 2024 15:39
This patch fixes excessive generation by checking for file existence.

An earlier attempt (gleam-lang#3238) had done this by checking for empty `modules`,
noting in its commit message that file existence checks will cause old
`gleam.mjs` to never be updated when a new version is available. I have
since learned that that was incorrect, as new versions of `gleam` delete
`build` folders created by previous versions.

closes gleam-lang#3178
@ofekd ofekd force-pushed the fix-gleammjs-generation-2 branch from 39a7960 to 3b0492c Compare June 20, 2024 16:09
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Lovely!! Thank you

@lpil lpil merged commit 9755365 into gleam-lang:main Jun 22, 2024
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gleam build generates gleam.mjs and gleam.d.mts even if they already exist
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