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fediversity.eu/node_modules/fs-extra/lib/ensure/symlink.js
2024-03-26 16:28:28 +01:00

68 lines
1.7 KiB
JavaScript

'use strict'
const u = require('universalify').fromPromise
const path = require('path')
const fs = require('../fs')
const { mkdirs, mkdirsSync } = require('../mkdirs')
const { symlinkPaths, symlinkPathsSync } = require('./symlink-paths')
const { symlinkType, symlinkTypeSync } = require('./symlink-type')
const { pathExists } = require('../path-exists')
const { areIdentical } = require('../util/stat')
async function createSymlink (srcpath, dstpath, type) {
let stats
try {
stats = await fs.lstat(dstpath)
} catch { }
if (stats && stats.isSymbolicLink()) {
const [srcStat, dstStat] = await Promise.all([
fs.stat(srcpath),
fs.stat(dstpath)
])
if (areIdentical(srcStat, dstStat)) return
}
const relative = await symlinkPaths(srcpath, dstpath)
srcpath = relative.toDst
const toType = await symlinkType(relative.toCwd, type)
const dir = path.dirname(dstpath)
if (!(await pathExists(dir))) {
await mkdirs(dir)
}
return fs.symlink(srcpath, dstpath, toType)
}
function createSymlinkSync (srcpath, dstpath, type) {
let stats
try {
stats = fs.lstatSync(dstpath)
} catch { }
if (stats && stats.isSymbolicLink()) {
const srcStat = fs.statSync(srcpath)
const dstStat = fs.statSync(dstpath)
if (areIdentical(srcStat, dstStat)) return
}
const relative = symlinkPathsSync(srcpath, dstpath)
srcpath = relative.toDst
type = symlinkTypeSync(relative.toCwd, type)
const dir = path.dirname(dstpath)
const exists = fs.existsSync(dir)
if (exists) return fs.symlinkSync(srcpath, dstpath, type)
mkdirsSync(dir)
return fs.symlinkSync(srcpath, dstpath, type)
}
module.exports = {
createSymlink: u(createSymlink),
createSymlinkSync
}