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cache the roots not the files

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Jonathan Kelley 2025-01-28 22:53:29 -08:00
parent 01addf7215
commit 6095cc4363
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GPG key ID: 1FBB50F7EB0A08BE
5 changed files with 60 additions and 24 deletions
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29
src/incremental.ts
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@ -7,9 +7,28 @@ import path from "path";
// import { exists } from "./utils";
// import { Packages } from "./workspace";
export async function saveMtimes(targetDirs: string[]): Promise<Map<string, number>> {
let cache = new Map<string, number>();
let stack = targetDirs.slice();
export type MtimeData = {
roots: Array<string>,
times: Map<string, number>
};
export async function saveMtimes(targetDirs: string[]): Promise<MtimeData> {
let times = new Map<string, number>();
let stack = new Array<string>();
// Collect all the incremental files
for (const dir of targetDirs) {
for (const maybeProfile of await fs.promises.readdir(dir)) {
const profileDir = path.join(dir, maybeProfile);
const incrementalDir = path.join(profileDir, "incremental");
if (fs.existsSync(incrementalDir)) {
stack.push(incrementalDir);
}
}
}
// Save the stack as the roots - we cache these directly
let roots = stack.slice();
while (stack.length > 0) {
const dirName = stack.pop()!;
@ -21,10 +40,10 @@ export async function saveMtimes(targetDirs: string[]): Promise<Map<string, numb
} else {
const fileName = path.join(dirName, dirent.name);
const { mtime } = await fs.promises.stat(fileName);
cache.set(fileName, mtime.getTime());
times.set(fileName, mtime.getTime());
}
}
}
return cache;
return { roots, times: times };
}