acorn - npm Package Compare versions

Comparing version 2.3.0 to 2.4.0

bin/build-acorn.js

@@ -17,3 +17,4 @@ var fs = require("fs"), path = require("path")
 
-function acornShim(file) {
+var ACORN_PLACEHOLDER = "this_function_call_should_be_replaced_with_a_call_to_load_acorn()";
+function acornShimPrepare(file) {
   var tr = new stream.Transform
@@ -25,3 +26,3 @@ if (file == path.resolve(__dirname, "../src/index.js")) {
         sent = true
-        callback(null, "module.exports = typeof acorn != 'undefined' ? acorn : _dereq_(\"./acorn\")")
+        callback(null, ACORN_PLACEHOLDER);
       } else {
@@ -36,6 +37,19 @@ callback()
 }
+function acornShimComplete() {
+  var tr = new stream.Transform
+  var buffer = "";
+  tr._transform = function(chunk, _, callback) {
+    buffer += chunk.toString("utf8");
+    callback();
+  };
+  tr._flush = function (callback) {
+    tr.push(buffer.replace(ACORN_PLACEHOLDER, "module.exports = typeof acorn != 'undefined' ? acorn : require(\"./acorn\")"));
+    callback(null);
+  };
+  return tr;
+}
 
 browserify({standalone: "acorn.loose"})
   .plugin(require('browserify-derequire'))
-  .transform(acornShim)
+  .transform(acornShimPrepare)
   .transform(babelify)
@@ -45,2 +59,3 @@ .require("./src/loose/index.js", {entry: true})
   .on("error", function (err) { console.log("Error: " + err.message) })
+  .pipe(acornShimComplete())
   .pipe(fs.createWriteStream("dist/acorn_loose.js"))
@@ -50,3 +65,3 @@
   .plugin(require('browserify-derequire'))
-  .transform(acornShim)
+  .transform(acornShimPrepare)
   .transform(babelify)
@@ -56,2 +71,3 @@ .require("./src/walk/index.js", {entry: true})
   .on("error", function (err) { console.log("Error: " + err.message) })
+  .pipe(acornShimComplete())
   .pipe(fs.createWriteStream("dist/walk.js"))

dist/acorn_loose.js

 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}(g.acorn || (g.acorn = {})).loose = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
 "use strict";
 
-module.exports = typeof acorn != "undefined" ? acorn : _dereq_("./acorn");
+module.exports = typeof acorn != 'undefined' ? acorn : require("./acorn");
 
@@ -661,2 +661,8 @@ },{}],2:[function(_dereq_,module,exports){
 
+  LooseParser.prototype.dummyString = function dummyString() {
+    var dummy = this.startNode();
+    dummy.value = dummy.raw = "✖";
+    return this.finishNode(dummy, "Literal");
+  };
+
   LooseParser.prototype.eat = function eat(type) {
@@ -1103,3 +1109,3 @@ if (this.tok.type === type) {
     node.specifiers = this.parseImportSpecifierList();
-    node.source = this.eatContextual("from") ? this.parseExprAtom() : null;
+    node.source = this.eatContextual("from") ? this.parseExprAtom() : this.dummyString();
     if (elt) node.specifiers.unshift(elt);
@@ -1106,0 +1112,0 @@ }

package.json

@@ -6,3 +6,3 @@ {
   "main": "dist/acorn.js",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "engines": {
@@ -9,0 +9,0 @@ "node": ">=0.4.0"

README.md

@@ -120,4 +120,11 @@ # Acorn
     "value": "comment text",
-    "range": ...,
-    "loc": ...
+    "start": Number,
+    "end": Number,
+    // If `locations` option is on:
+    "loc": {
+      "start": {line: Number, column: Number}
+      "end": {line: Number, column: Number}
+    },
+    // If `ranges` option is on:
+    "range": [Number, Number]
   }
@@ -305,2 +312,4 @@ ```
 
+- `--module`: Sets the parsing mode to `"module"`. Is set to `"script"` otherwise.
+
 - `--locations`: Attaches a "loc" object to each node with "start" and
@@ -307,0 +316,0 @@ "end" subobjects, each of which contains the one-based line and

src/index.js

@@ -40,3 +40,3 @@ // Acorn is a tiny, fast JavaScript parser written in JavaScript.
 
-export const version = "2.3.0"
+export const version = "2.4.0"
 
@@ -43,0 +43,0 @@ // The main exported interface (under `self.acorn` when in the

src/loose/state.js

@@ -52,2 +52,8 @@ import {tokenizer, SourceLocation, tokTypes as tt, Node, lineBreak, isNewLine} from ".."
 
+  dummyString() {
+    let dummy = this.startNode()
+    dummy.value = dummy.raw = "✖"
+    return this.finishNode(dummy, "Literal")
+  }
+
   eat(type) {
@@ -54,0 +60,0 @@ if (this.tok.type === type) {

src/loose/statement.js

@@ -362,3 +362,3 @@ import {LooseParser} from "./state"
     node.specifiers = this.parseImportSpecifierList()
-    node.source = this.eatContextual("from") ? this.parseExprAtom() : null
+    node.source = this.eatContextual("from") ? this.parseExprAtom() : this.dummyString()
     if (elt) node.specifiers.unshift(elt)
@@ -365,0 +365,0 @@ }

src/lval.js

@@ -151,3 +151,3 @@ import {types as tt} from "./tokentype"
   left = left || this.parseBindingAtom()
-  if (!this.eat(tt.eq)) return left
+  if (this.options.ecmaVersion < 6 || !this.eat(tt.eq)) return left
   let node = this.startNodeAt(startPos, startLoc)
@@ -154,0 +154,0 @@ node.left = left

No alert changes

Improved metrics

Total package byte prevSize

484539

increased by0.26%

Lines of code

11411

increased by0.23%

Number of lines in readme file

387

increased by2.38%

No dependency changes