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Follow symlink support for readdirp #5082

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Follow symlink support for readdirp #5082

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a60970b
Add support for following symlinks during directory walk
mevatron Mar 10, 2024
3e2d915
Merge branch 'develop' into pr/add-follow-symlink-support
mevatron Jun 19, 2024
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18 changes: 16 additions & 2 deletions packages/@ionic/utils-fs/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -344,6 +344,16 @@ export interface WalkerOptions {
* @return `true` to include file path, otherwise it is excluded
*/
readonly pathFilter?: (p: string) => boolean;

/**
* Follow symlinks during walk.
*
* Additionally, the `IONIC_UTILS_FS_FOLLOW_SYMLINKS` environment variable can
* be used to set this option as `true` or `false`.
*
* @default false
*/
readonly followSymlinks?: boolean;
}

export interface Walker extends stream.Readable {
Expand All @@ -360,14 +370,18 @@ export class Walker extends stream.Readable {

_read() {
const p = this.paths.shift();
const { pathFilter } = this.options;
const { pathFilter, followSymlinks } = this.options;

if (!p) {
this.push(null);
return;
}

fs.lstat(p, (err, stats) => {
const envFollowSymlinks = process.env.IONIC_UTILS_FS_FOLLOW_SYMLINKS &&
process.env.IONIC_UTILS_FS_FOLLOW_SYMLINKS === 'true' ||
process.env.IONIC_UTILS_FS_FOLLOW_SYMLINKS === '1';
const finalPath = (followSymlinks || envFollowSymlinks) ? fs.realpathSync(p) : p;
fs.lstat(finalPath, (err, stats) => {
if (err) {
this.emit('error', err);
return;
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