93 lines
2.5 KiB
JavaScript
93 lines
2.5 KiB
JavaScript
'use strict'
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const u = require('universalify').fromPromise
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const path = require('path')
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const fs = require('../fs')
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const { mkdirs, mkdirsSync } = require('../mkdirs')
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const { symlinkPaths, symlinkPathsSync } = require('./symlink-paths')
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const { symlinkType, symlinkTypeSync } = require('./symlink-type')
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const { pathExists } = require('../path-exists')
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const { areIdentical } = require('../util/stat')
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async function createSymlink (srcpath, dstpath, type) {
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let stats
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try {
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stats = await fs.lstat(dstpath)
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} catch { }
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if (stats && stats.isSymbolicLink()) {
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// When srcpath is relative, resolve it relative to dstpath's directory
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// (standard symlink behavior) or fall back to cwd if that doesn't exist
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let srcStat
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if (path.isAbsolute(srcpath)) {
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srcStat = await fs.stat(srcpath)
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} else {
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const dstdir = path.dirname(dstpath)
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const relativeToDst = path.join(dstdir, srcpath)
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try {
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srcStat = await fs.stat(relativeToDst)
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} catch {
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srcStat = await fs.stat(srcpath)
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}
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}
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const dstStat = await fs.stat(dstpath)
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if (areIdentical(srcStat, dstStat)) return
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}
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const relative = await symlinkPaths(srcpath, dstpath)
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srcpath = relative.toDst
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const toType = await symlinkType(relative.toCwd, type)
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const dir = path.dirname(dstpath)
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if (!(await pathExists(dir))) {
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await mkdirs(dir)
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}
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return fs.symlink(srcpath, dstpath, toType)
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}
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function createSymlinkSync (srcpath, dstpath, type) {
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let stats
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try {
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stats = fs.lstatSync(dstpath)
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} catch { }
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if (stats && stats.isSymbolicLink()) {
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// When srcpath is relative, resolve it relative to dstpath's directory
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// (standard symlink behavior) or fall back to cwd if that doesn't exist
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let srcStat
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if (path.isAbsolute(srcpath)) {
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srcStat = fs.statSync(srcpath)
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} else {
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const dstdir = path.dirname(dstpath)
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const relativeToDst = path.join(dstdir, srcpath)
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try {
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srcStat = fs.statSync(relativeToDst)
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} catch {
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srcStat = fs.statSync(srcpath)
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}
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}
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const dstStat = fs.statSync(dstpath)
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if (areIdentical(srcStat, dstStat)) return
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}
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const relative = symlinkPathsSync(srcpath, dstpath)
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srcpath = relative.toDst
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type = symlinkTypeSync(relative.toCwd, type)
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const dir = path.dirname(dstpath)
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const exists = fs.existsSync(dir)
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if (exists) return fs.symlinkSync(srcpath, dstpath, type)
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mkdirsSync(dir)
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return fs.symlinkSync(srcpath, dstpath, type)
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}
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module.exports = {
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createSymlink: u(createSymlink),
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createSymlinkSync
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}
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