22 lines
571 B
TypeScript
22 lines
571 B
TypeScript
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import { renameSync, unlinkSync, writeFileSync } from "node:fs";
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export function writeFileAtomically(filePath: string, content: string): void {
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const tempPath = `${filePath}.tmp`;
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writeFileSync(tempPath, content, "utf-8");
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try {
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renameSync(tempPath, filePath);
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} catch (error) {
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const isPermissionError =
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error instanceof Error && (error.message.includes("EPERM") || error.message.includes("EACCES"));
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if (process.platform === "win32" && isPermissionError) {
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unlinkSync(filePath);
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renameSync(tempPath, filePath);
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return;
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}
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throw error;
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}
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}
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