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Defend against missing files in the hashing logic #907

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Defend against missing files in the hashing logic #907

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26 changes: 19 additions & 7 deletions packages/hasher/src/FileHasher.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ export class FileHasher {
const stats = stat(files, { cwd: this.options.root }) ?? {};

for (const file of files) {
const stat = stats[file];
const stat = stats[file] || { mtime: 0n, size: 0 };

const info = this.#store[file];
if (info && stat.mtime === info.mtime && stat.size == info.size) {
Expand All @@ -107,12 +107,24 @@ export class FileHasher {
const updatedHashes = fastHash(updatedFiles, { cwd: this.options.root, concurrency: 4 }) ?? {};

for (const [file, hash] of Object.entries(updatedHashes)) {
const stat = fs.statSync(path.join(this.options.root, file), { bigint: true });
this.#store[file] = {
mtime: stat.mtimeMs,
size: Number(stat.size),
hash: hash ?? "",
};
try {
const stat = fs.statSync(path.join(this.options.root, file), { bigint: true });
this.#store[file] = {
mtime: stat.mtimeMs,
size: Number(stat.size),
hash: hash ?? "",
};
} catch (e: any) {
if (e.code === "ENOENT") {
this.#store[file] = {
mtime: 0n,
size: 0,
hash: hash ?? "",
};
} else {
throw e;
}
}
hashes[file] = hash ?? "";
}

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