Fix use of undefined in Decimal operations at start of game #20
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Sometimes, at the start of the game, undefined values were being passed into Decimal methods. This implicitly converts them to be 0 in the current version of break_eternity.js, but that behaviour should not be relied on as the TypeScript types for Decimal methods state that they do not support undefined values. As a result, this commit fixes many instances where, at the start of the game, some multipliers are set to zero due to this issue. This commit intentionally uses ?? instead of || as the author does not know what types are used - if it's possible that the left hand side could be a number (not a Decimal) then || shouldn't be used (if the left hand side was zero). However, if [old browser support] is required, || should be used instead of ?? (assuming the types are correct). This commit also uses Decimal.dOne and Decimal.dZero when needed instead of constructing new Decimal instances. [old browser support]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator#browser_compatibility
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Reviewers - please double check the default values I used. I've tried my best to use either 0 or 1 in the right places, but I may have mixed some places up. |
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Sometimes, at the start of the game, undefined values were being passed into Decimal methods. This implicitly converts them to be 0 in the current version of break_eternity.js, but that behaviour should not be relied on as the TypeScript types for Decimal methods state that they do not support undefined values.
As a result, this commit fixes many instances where, at the start of the game, some multipliers are set to zero due to this issue.
This commit intentionally uses ?? instead of || as the author does not know what types are used - if it's possible that the left hand side could be a number (not a Decimal) then || shouldn't be used (if the left hand side was zero). However, if old browser support is required, || should be used instead of ?? (assuming the types are correct).
This commit also uses Decimal.dOne and Decimal.dZero when needed instead of constructing new Decimal instances.