use directories for structure

node_modules/acorn-logical-assignment/index.js

@@ -0,0 +1,37 @@
+"use strict"
+
+module.exports = function(Parser) {
+  const acorn = Parser.acorn || require("acorn")
+  const tt = acorn.tokTypes
+  return class extends Parser {
+    // eslint-disable-next-line camelcase
+    readToken_pipe_amp(code) { // '|&'
+      let next = this.input.charCodeAt(this.pos + 1)
+      if (next === code) {
+        next = this.input.charCodeAt(this.pos + 2)
+        if (next === 61) return this.finishOp(tt.assign, 3)
+        return this.finishOp(code === 124 ? tt.logicalOR : tt.logicalAND, 2)
+      }
+      if (next === 61) return this.finishOp(tt.assign, 2)
+      return this.finishOp(code === 124 ? tt.bitwiseOR : tt.bitwiseAND, 1)
+    }
+
+    getTokenFromCode(code) {
+      return code == 63 ? this.readToken_question() : super.getTokenFromCode(code)
+    }
+
+    // eslint-disable-next-line camelcase
+    readToken_question() { // '?'
+      if (this.options.ecmaVersion >= 11) {
+        let next = this.input.charCodeAt(this.pos + 1)
+        if (next === 63) {
+          next = this.input.charCodeAt(this.pos + 2)
+          if (next === 61) return this.finishOp(tt.assign, 3)
+          // Check if acorn has nullish coalescing support
+          if (tt.coalesce) return this.finishOp(tt.coalesce, 2)
+        }
+      }
+      return this.finishOp(tt.question, 1)
+    }
+  }
+}