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- // https://youtu.be/uhRWMGBjlO8?t=537
- //
- // 1. readdir
- // 2. for each entry
- // a. if a non-empty directory, recurse
- // b. if an empty directory, move to random hidden file name in $TEMP
- // c. unlink/rmdir $TEMP
- //
- // This works around the fact that unlink/rmdir is non-atomic and takes
- // a non-deterministic amount of time to complete.
- //
- // However, it is HELLA SLOW, like 2-10x slower than a naive recursive rm.
- import { basename, parse, resolve } from 'path';
- import { defaultTmp, defaultTmpSync } from './default-tmp.js';
- import { ignoreENOENT, ignoreENOENTSync } from './ignore-enoent.js';
- import { chmodSync, lstatSync, promises as fsPromises, renameSync, rmdirSync, unlinkSync, } from './fs.js';
- const { lstat, rename, unlink, rmdir, chmod } = fsPromises;
- import { readdirOrError, readdirOrErrorSync } from './readdir-or-error.js';
- // crypto.randomBytes is much slower, and Math.random() is enough here
- const uniqueFilename = (path) => `.${basename(path)}.${Math.random()}`;
- const unlinkFixEPERM = async (path) => unlink(path).catch((er) => {
- if (er.code === 'EPERM') {
- return chmod(path, 0o666).then(() => unlink(path), er2 => {
- if (er2.code === 'ENOENT') {
- return;
- }
- throw er;
- });
- }
- else if (er.code === 'ENOENT') {
- return;
- }
- throw er;
- });
- const unlinkFixEPERMSync = (path) => {
- try {
- unlinkSync(path);
- }
- catch (er) {
- if (er?.code === 'EPERM') {
- try {
- return chmodSync(path, 0o666);
- }
- catch (er2) {
- if (er2?.code === 'ENOENT') {
- return;
- }
- throw er;
- }
- }
- else if (er?.code === 'ENOENT') {
- return;
- }
- throw er;
- }
- };
- export const rimrafMoveRemove = async (path, opt) => {
- if (opt?.signal?.aborted) {
- throw opt.signal.reason;
- }
- try {
- return await rimrafMoveRemoveDir(path, opt, await lstat(path));
- }
- catch (er) {
- if (er?.code === 'ENOENT')
- return true;
- throw er;
- }
- };
- const rimrafMoveRemoveDir = async (path, opt, ent) => {
- if (opt?.signal?.aborted) {
- throw opt.signal.reason;
- }
- if (!opt.tmp) {
- return rimrafMoveRemoveDir(path, { ...opt, tmp: await defaultTmp(path) }, ent);
- }
- if (path === opt.tmp && parse(path).root !== path) {
- throw new Error('cannot delete temp directory used for deletion');
- }
- const entries = ent.isDirectory() ? await readdirOrError(path) : null;
- if (!Array.isArray(entries)) {
- // this can only happen if lstat/readdir lied, or if the dir was
- // swapped out with a file at just the right moment.
- /* c8 ignore start */
- if (entries) {
- if (entries.code === 'ENOENT') {
- return true;
- }
- if (entries.code !== 'ENOTDIR') {
- throw entries;
- }
- }
- /* c8 ignore stop */
- if (opt.filter && !(await opt.filter(path, ent))) {
- return false;
- }
- await ignoreENOENT(tmpUnlink(path, opt.tmp, unlinkFixEPERM));
- return true;
- }
- const removedAll = (await Promise.all(entries.map(ent => rimrafMoveRemoveDir(resolve(path, ent.name), opt, ent)))).reduce((a, b) => a && b, true);
- if (!removedAll) {
- return false;
- }
- // we don't ever ACTUALLY try to unlink /, because that can never work
- // but when preserveRoot is false, we could be operating on it.
- // No need to check if preserveRoot is not false.
- if (opt.preserveRoot === false && path === parse(path).root) {
- return false;
- }
- if (opt.filter && !(await opt.filter(path, ent))) {
- return false;
- }
- await ignoreENOENT(tmpUnlink(path, opt.tmp, rmdir));
- return true;
- };
- const tmpUnlink = async (path, tmp, rm) => {
- const tmpFile = resolve(tmp, uniqueFilename(path));
- await rename(path, tmpFile);
- return await rm(tmpFile);
- };
- export const rimrafMoveRemoveSync = (path, opt) => {
- if (opt?.signal?.aborted) {
- throw opt.signal.reason;
- }
- try {
- return rimrafMoveRemoveDirSync(path, opt, lstatSync(path));
- }
- catch (er) {
- if (er?.code === 'ENOENT')
- return true;
- throw er;
- }
- };
- const rimrafMoveRemoveDirSync = (path, opt, ent) => {
- if (opt?.signal?.aborted) {
- throw opt.signal.reason;
- }
- if (!opt.tmp) {
- return rimrafMoveRemoveDirSync(path, { ...opt, tmp: defaultTmpSync(path) }, ent);
- }
- const tmp = opt.tmp;
- if (path === opt.tmp && parse(path).root !== path) {
- throw new Error('cannot delete temp directory used for deletion');
- }
- const entries = ent.isDirectory() ? readdirOrErrorSync(path) : null;
- if (!Array.isArray(entries)) {
- // this can only happen if lstat/readdir lied, or if the dir was
- // swapped out with a file at just the right moment.
- /* c8 ignore start */
- if (entries) {
- if (entries.code === 'ENOENT') {
- return true;
- }
- if (entries.code !== 'ENOTDIR') {
- throw entries;
- }
- }
- /* c8 ignore stop */
- if (opt.filter && !opt.filter(path, ent)) {
- return false;
- }
- ignoreENOENTSync(() => tmpUnlinkSync(path, tmp, unlinkFixEPERMSync));
- return true;
- }
- let removedAll = true;
- for (const ent of entries) {
- const p = resolve(path, ent.name);
- removedAll = rimrafMoveRemoveDirSync(p, opt, ent) && removedAll;
- }
- if (!removedAll) {
- return false;
- }
- if (opt.preserveRoot === false && path === parse(path).root) {
- return false;
- }
- if (opt.filter && !opt.filter(path, ent)) {
- return false;
- }
- ignoreENOENTSync(() => tmpUnlinkSync(path, tmp, rmdirSync));
- return true;
- };
- const tmpUnlinkSync = (path, tmp, rmSync) => {
- const tmpFile = resolve(tmp, uniqueFilename(path));
- renameSync(path, tmpFile);
- return rmSync(tmpFile);
- };
- //# sourceMappingURL=rimraf-move-remove.js.map
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