Galerie und tage

node_modules/esprima/bin/esparse.js

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 /*
-  Copyright JS Foundation and other contributors, https://js.foundation/
+  Copyright (c) jQuery Foundation, Inc. and Contributors, All Rights Reserved.
 
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
@@ -25,15 +25,11 @@
 
 /*jslint sloppy:true node:true rhino:true */
 
-var fs, esprima, fname, forceFile, content, options, syntax;
+var fs, esprima, fname, content, options, syntax;
 
 if (typeof require === 'function') {
     fs = require('fs');
-    try {
-        esprima = require('esprima');
-    } catch (e) {
-        esprima = require('../');
-    }
+    esprima = require('esprima');
 } else if (typeof load === 'function') {
     try {
         load('esprima.js');
@@ -53,7 +49,7 @@ if (typeof console === 'undefined' && typeof process === 'undefined') {
 
 function showUsage() {
     console.log('Usage:');
-    console.log('   esparse [options] [file.js]');
+    console.log('   esparse [options] file.js');
     console.log();
     console.log('Available options:');
     console.log();
@@ -68,18 +64,15 @@ function showUsage() {
     process.exit(1);
 }
 
+if (process.argv.length <= 2) {
+    showUsage();
+}
+
 options = {};
 
 process.argv.splice(2).forEach(function (entry) {
 
-    if (forceFile || entry === '-' || entry.slice(0, 1) !== '-') {
-        if (typeof fname === 'string') {
-            console.log('Error: more than one input file.');
-            process.exit(1);
-        } else {
-            fname = entry;
-        }
-    } else if (entry === '-h' || entry === '--help') {
+    if (entry === '-h' || entry === '--help') {
         showUsage();
     } else if (entry === '-v' || entry === '--version') {
         console.log('ECMAScript Parser (using Esprima version', esprima.version, ')');
@@ -97,14 +90,22 @@ process.argv.splice(2).forEach(function (entry) {
         options.tokens = true;
     } else if (entry === '--tolerant') {
         options.tolerant = true;
-    } else if (entry === '--') {
-        forceFile = true;
-    } else {
+    } else if (entry.slice(0, 2) === '--') {
         console.log('Error: unknown option ' + entry + '.');
         process.exit(1);
+    } else if (typeof fname === 'string') {
+        console.log('Error: more than one input file.');
+        process.exit(1);
+    } else {
+        fname = entry;
     }
 });
 
+if (typeof fname !== 'string') {
+    console.log('Error: no input file.');
+    process.exit(1);
+}
+
 // Special handling for regular expression literal since we need to
 // convert it to a string literal, otherwise it will be decoded
 // as object "{}" and the regular expression would be lost.
@@ -115,24 +116,10 @@ function adjustRegexLiteral(key, value) {
     return value;
 }
 
-function run(content) {
+try {
+    content = fs.readFileSync(fname, 'utf-8');
     syntax = esprima.parse(content, options);
     console.log(JSON.stringify(syntax, adjustRegexLiteral, 4));
-}
-
-try {
-    if (fname && (fname !== '-' || forceFile)) {
-        run(fs.readFileSync(fname, 'utf-8'));
-    } else {
-        var content = '';
-        process.stdin.resume();
-        process.stdin.on('data', function(chunk) {
-            content += chunk;
-        });
-        process.stdin.on('end', function() {
-            run(content);
-        });
-    }
 } catch (e) {
     console.log('Error: ' + e.message);
     process.exit(1);