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'use strict'
const u = require('universalify').fromPromise
const path = require('path')
const fs = require('../fs')
const mkdir = require('../mkdirs')
const { pathExists } = require('../path-exists')
const { areIdentical } = require('../util/stat')
async function createLink (srcpath, dstpath) {
let dstStat
try {
dstStat = await fs.lstat(dstpath)
} catch {
// ignore error
}
let srcStat
try {
srcStat = await fs.lstat(srcpath)
} catch (err) {
err.message = err.message.replace('lstat', 'ensureLink')
throw err
}
if (dstStat && areIdentical(srcStat, dstStat)) return
const dir = path.dirname(dstpath)
const dirExists = await pathExists(dir)
if (!dirExists) {
await mkdir.mkdirs(dir)
}
await fs.link(srcpath, dstpath)
}
function createLinkSync (srcpath, dstpath) {
let dstStat
try {
dstStat = fs.lstatSync(dstpath)
} catch {}
try {
const srcStat = fs.lstatSync(srcpath)
if (dstStat && areIdentical(srcStat, dstStat)) return
} catch (err) {
err.message = err.message.replace('lstat', 'ensureLink')
throw err
}
const dir = path.dirname(dstpath)
const dirExists = fs.existsSync(dir)
if (dirExists) return fs.linkSync(srcpath, dstpath)
mkdir.mkdirsSync(dir)
return fs.linkSync(srcpath, dstpath)
}
module.exports = {
createLink: u(createLink),
createLinkSync
}
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