bin-links@1.1.5

1 files changed, 60 insertions, 0 deletions

diff --git a/node_modules/npm-normalize-package-bin/index.js b/node_modules/npm-normalize-package-bin/index.js
new file mode 100644
index 000000000..5a738ff82
--- /dev/null
+++ b/node_modules/npm-normalize-package-bin/index.js
@@ -0,0 +1,60 @@
+// pass in a manifest with a 'bin' field here, and it'll turn it
+// into a properly santized bin object
+const {join, basename} = require('path')
+
+const normalize = pkg =>
+  !pkg.bin ? removeBin(pkg)
+  : typeof pkg.bin === 'string' ? normalizeString(pkg)
+  : Array.isArray(pkg.bin) ? normalizeArray(pkg)
+  : typeof pkg.bin === 'object' ? normalizeObject(pkg)
+  : removeBin(pkg)
+
+const normalizeString = pkg => {
+  if (!pkg.name)
+    return removeBin(pkg)
+  pkg.bin = { [pkg.name]: pkg.bin }
+  return normalizeObject(pkg)
+}
+
+const normalizeArray = pkg => {
+  pkg.bin = pkg.bin.reduce((acc, k) => {
+    acc[basename(k)] = k
+    return acc
+  }, {})
+  return normalizeObject(pkg)
+}
+
+const removeBin = pkg => {
+  delete pkg.bin
+  return pkg
+}
+
+const normalizeObject = pkg => {
+  const orig = pkg.bin
+  const clean = {}
+  let hasBins = false
+  Object.keys(orig).forEach(binKey => {
+    const base = join('/', basename(binKey.replace(/\\|:/g, '/'))).substr(1)
+
+    if (typeof orig[binKey] !== 'string' || !base)
+      return
+
+    const binTarget = join('/', orig[binKey])
+      .replace(/\\/g, '/').substr(1)
+
+    if (!binTarget)
+      return
+
+    clean[base] = binTarget
+    hasBins = true
+  })
+
+  if (hasBins)
+    pkg.bin = clean
+  else
+    delete pkg.bin
+
+  return pkg
+}
+
+module.exports = normalize