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https://github.com/vrtmrz/obsidian-livesync.git
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vorotamoroz
21d904cfd6
Use the packaged Commonlib type import and add regression coverage for every Obsidian vault and storage write method. Verify that fractional timestamps are floored without mutating caller-owned options.
26 lines
1.3 KiB
TypeScript
26 lines
1.3 KiB
TypeScript
import type { UXDataWriteOptions } from "@vrtmrz/livesync-commonlib/compat/common/types";
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/**
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* Coerce the timestamp fields of a write-options object to integer milliseconds.
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*
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* On mobile, Obsidian forwards `mtime`/`ctime` to Capacitor's
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* Filesystem.setTimes, whose native binding casts the value to a Java `Long`.
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* A non-integer (float) timestamp makes that cast throw
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* `ClassCastException: Double cannot be cast to Long`, which crashes the app on
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* launch as soon as such a document is replicated in. Float timestamps can
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* enter the database from any client that stores `fs.Stats.mtimeMs` without
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* flooring. Flooring at the storage boundary guarantees every Obsidian write
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* carries an integer, so a float timestamp already present in the mesh cannot
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* brick the app.
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*
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* Returns a shallow copy so the caller's options object is not mutated; passes
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* `undefined` through unchanged.
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*/
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export function toIntegerTimestamps(options?: UXDataWriteOptions): UXDataWriteOptions | undefined {
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if (!options) return options;
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const sanitized: UXDataWriteOptions = { ...options };
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if (typeof sanitized.mtime === "number") sanitized.mtime = Math.floor(sanitized.mtime);
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if (typeof sanitized.ctime === "number") sanitized.ctime = Math.floor(sanitized.ctime);
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return sanitized;
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}
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