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TC39 Advances Temporal to Stage 4 Alongside Several ECMAScript Proposals
TC39’s March 2026 meeting advanced eight ECMAScript proposals, including Temporal reaching Stage 4 and securing its place in the ECMAScript 2026 specification.
@pnpm/lockfile.fs
Advanced tools
Read/write pnpm-lock.yaml files
Reads and writes the wanted (pnpm-lock.yaml) and current (node_modules/.pnpm-lock.yaml) lockfile files of pnpm.
Lockfile files are the state files of the node_modules installed via pnpm. They are like
the package-lock.json of npm or the yarn.lock of Yarn.
pnpm add @pnpm/lockfile.fs
readWantedLockfile(pkgPath, opts) => Promise<Lockfile>Reads the pnpm-lock.yaml file from the root of the package.
pkgPath - Path - the path to the projectopts.ignoreIncompatible - Boolean - false by default. If true, throws an error
if the lockfile file format is not compatible with the current library.readCurrentLockfile(virtualStoreDir, opts) => Promise<Lockfile>Reads the lockfile file from <virtualStoreDir>/lock.yaml.
existsNonEmptyWantedLockfile(pkgPath) => Promise<Boolean>Returns true if a pnpm-lock.yaml exists in the root of the package.
writeLockfiles(opts) => Promise<void>Writes the wanted/current lockfile files. When they are empty, removes them.
opts.wantedLockfileopts.wantedLockfileDiropts.currentLockfileopts.currentLockfileDir[opts.forceSharedFormat]writeWantedLockfile(pkgPath, wantedLockfile) => Promise<void>Writes the wanted lockfile file only. Sometimes it is needed just to update the wanted lockfile
without touching node_modules.
writeCurrentLockfile(virtualStoreDir, currentLockfile) => Promise<void>Writes the current lockfile file only.
FAQs
Read/write pnpm-lock.yaml files
The npm package @pnpm/lockfile.fs receives a total of 91,269 weekly downloads. As such, @pnpm/lockfile.fs popularity was classified as popular.
We found that @pnpm/lockfile.fs demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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