Update acorn-import-meta to v0.3.0.

Author: goto-bus-stop

build.js

@@ -17,4 +17,4 @@ function compile (name, output) { // eslint-disable-line no-unused-vars
   fs.writeFileSync(path.join(__dirname, output), HEADER + result.code, 'utf8')
 }
 
-compile('acorn-import-meta/inject', './lib/import-meta/index.js')
+compile('acorn-import-meta', './lib/import-meta/index.js')

lib/import-meta/index.js

@@ -2,49 +2,54 @@
 
 "use strict"
 
+var tt = require("acorn").tokTypes
+
 var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g
 
-module.exports = function (acorn) {
-  var tt = acorn.tokTypes
-
-  var nextTokenIsDot = function (parser) {
-    skipWhiteSpace.lastIndex = parser.pos
-    var skip = skipWhiteSpace.exec(parser.input)
-    var next = parser.pos + skip[0].length
-    return parser.input.slice(next, next + 1) === "."
-  }
-
-  acorn.plugins.importMeta = function (instance) {
-
-    instance.extend("parseExprAtom", function (superF) {
-      return function(refDestructuringErrors) {
-        if (this.type !== tt._import || !nextTokenIsDot(this)) { return superF.call(this, refDestructuringErrors) }
-
-        if (!this.options.allowImportExportEverywhere && !this.inModule) {
-          this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'")
-        }
-
-        var node = this.startNode()
-        node.meta = this.parseIdent(true)
-        this.expect(tt.dot)
-        node.property = this.parseIdent(true)
-        if (node.property.name !== "meta") {
-          this.raiseRecoverable(node.property.start, "The only valid meta property for import is import.meta")
-        }
-        return this.finishNode(node, "MetaProperty")
+var nextTokenIsDot = function (parser) {
+  skipWhiteSpace.lastIndex = parser.pos
+  var skip = skipWhiteSpace.exec(parser.input)
+  var next = parser.pos + skip[0].length
+  return parser.input.slice(next, next + 1) === "."
+}
+
+module.exports = function(Parser) {
+  return (function (Parser) {
+    function anonymous () {
+      Parser.apply(this, arguments);
+    }
+
+    if ( Parser ) anonymous.__proto__ = Parser;
+    anonymous.prototype = Object.create( Parser && Parser.prototype );
+    anonymous.prototype.constructor = anonymous;
+
+    anonymous.prototype.parseExprAtom = function parseExprAtom (refDestructuringErrors) {
+      if (this.type !== tt._import || !nextTokenIsDot(this)) { return Parser.prototype.parseExprAtom.call(this, refDestructuringErrors) }
+
+      if (!this.options.allowImportExportEverywhere && !this.inModule) {
+        this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'")
       }
-    })
 
-    instance.extend("parseStatement", function (superF) {
-      return function(declaration, topLevel, exports) {
-        if (this.type !== tt._import) { return superF.call(this, declaration, topLevel, exports) }
-        if (!nextTokenIsDot(this)) { return superF.call(this, declaration, topLevel, exports) }
+      var node = this.startNode()
+      node.meta = this.parseIdent(true)
+      this.expect(tt.dot)
+      node.property = this.parseIdent(true)
+      if (node.property.name !== "meta") {
+        this.raiseRecoverable(node.property.start, "The only valid meta property for import is import.meta")
+      }
+      return this.finishNode(node, "MetaProperty")
+    };
 
-        var node = this.startNode()
-        var expr = this.parseExpression()
-        return this.parseExpressionStatement(node, expr)
+    anonymous.prototype.parseStatement = function parseStatement (context, topLevel, exports) {
+      if (this.type !== tt._import || !nextTokenIsDot(this)) {
+        return Parser.prototype.parseStatement.call(this, context, topLevel, exports)
       }
-    })
-  }
-  return acorn
+
+      var node = this.startNode()
+      var expr = this.parseExpression()
+      return this.parseExpressionStatement(node, expr)
+    };
+
+    return anonymous;
+  }(Parser))
 }

package.json

@@ -13,7 +13,7 @@
     "xtend": "^4.0.1"
   },
   "devDependencies": {
-    "acorn-import-meta": "^0.2.1",
+    "acorn-import-meta": "^0.3.0",
     "buble": "^0.19.3",
     "mkdirp": "^0.5.1",
     "standard": "^11.0.1",