update

node_modules/fast-redact/lib/validator.js

@@ -0,0 +1,38 @@
+'use strict'
+
+const { createContext, runInContext } = require('vm')
+
+module.exports = validator
+
+function validator (opts = {}) {
+  const {
+    ERR_PATHS_MUST_BE_STRINGS = () => 'fast-redact - Paths must be strings',
+    ERR_INVALID_PATH = (s) => `fast-redact – Invalid path (${s})`
+  } = opts
+
+  return function validate ({ paths }) {
+    paths.forEach((s) => {
+      if (typeof s !== 'string') {
+        throw Error(ERR_PATHS_MUST_BE_STRINGS())
+      }
+      try {
+        if (/〇/.test(s)) throw Error()
+        const proxy = new Proxy({}, { get: () => proxy, set: () => { throw Error() } })
+        const expr = (s[0] === '[' ? '' : '.') + s.replace(/^\*/, '〇').replace(/\.\*/g, '.〇').replace(/\[\*\]/g, '[〇]')
+        if (/\n|\r|;/.test(expr)) throw Error()
+        if (/\/\*/.test(expr)) throw Error()
+        runInContext(`
+          (function () {
+            'use strict'
+            o${expr}
+            if ([o${expr}].length !== 1) throw Error()
+          })()
+        `, createContext({ o: proxy, 〇: null }), {
+          codeGeneration: { strings: false, wasm: false }
+        })
+      } catch (e) {
+        throw Error(ERR_INVALID_PATH(s))
+      }
+    })
+  }
+}