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630b6d4101
Mobile app crash
[DiffFetcher] [SEVERE] [2024-09-14 01:03:33.632159] type 'List<dynamic>' is not a subtype of type 'int?'
⤷ type: _StackTrace
⤷ error: #0 PubMagicMetadata.fromMap (package:photos/models/metadata/file_magic.dart:91)
ce5354e19d/mobile/lib/models/metadata/file_magic.dart (L91)
43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
/**
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* Throw an exception if the given value is `null` or `undefined`.
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*
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* This is different from TypeScript's built in null assertion operator `!` in
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* that `ensure` involves a runtime check, and will throw if the given value is
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* null-ish. On the other hand the TypeScript null assertion is only an
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* indication to the type system and does not involve any runtime checks.
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*/
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export const ensure = <T>(v: T | null | undefined): T => {
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if (v === null) throw new Error("Required value was null");
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if (v === undefined) throw new Error("Required value was undefined");
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return v;
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};
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/**
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* Throw an exception if the given value is not a string.
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*/
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export const ensureString = (v: unknown): string => {
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if (typeof v != "string")
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throw new Error(`Expected a string, instead found ${String(v)}`);
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return v;
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};
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/**
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* Throw an exception if the given value is not a number.
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*/
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export const ensureNumber = (v: unknown): number => {
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if (typeof v != "number")
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throw new Error(`Expected a number, instead found ${String(v)}`);
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return v;
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};
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/**
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* Throw an exception if the given value is not an integral number.
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*/
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export const ensureInteger = (v: unknown): number => {
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if (typeof v != "number")
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throw new Error(`Expected a number, instead found ${String(v)}`);
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if (!Number.isInteger(v))
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throw new Error(`Expected an integer, instead found ${v}`);
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return v;
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};
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