Configring node js.

node_modules/jszip/lib/reader/ArrayReader.js

@@ -0,0 +1,57 @@
+'use strict';
+var DataReader = require('./DataReader');
+var utils = require('../utils');
+
+function ArrayReader(data) {
+    DataReader.call(this, data);
+	for(var i = 0; i < this.data.length; i++) {
+		data[i] = data[i] & 0xFF;
+	}
+}
+utils.inherits(ArrayReader, DataReader);
+/**
+ * @see DataReader.byteAt
+ */
+ArrayReader.prototype.byteAt = function(i) {
+    return this.data[this.zero + i];
+};
+/**
+ * @see DataReader.lastIndexOfSignature
+ */
+ArrayReader.prototype.lastIndexOfSignature = function(sig) {
+    var sig0 = sig.charCodeAt(0),
+        sig1 = sig.charCodeAt(1),
+        sig2 = sig.charCodeAt(2),
+        sig3 = sig.charCodeAt(3);
+    for (var i = this.length - 4; i >= 0; --i) {
+        if (this.data[i] === sig0 && this.data[i + 1] === sig1 && this.data[i + 2] === sig2 && this.data[i + 3] === sig3) {
+            return i - this.zero;
+        }
+    }
+
+    return -1;
+};
+/**
+ * @see DataReader.readAndCheckSignature
+ */
+ArrayReader.prototype.readAndCheckSignature = function (sig) {
+    var sig0 = sig.charCodeAt(0),
+        sig1 = sig.charCodeAt(1),
+        sig2 = sig.charCodeAt(2),
+        sig3 = sig.charCodeAt(3),
+        data = this.readData(4);
+    return sig0 === data[0] && sig1 === data[1] && sig2 === data[2] && sig3 === data[3];
+};
+/**
+ * @see DataReader.readData
+ */
+ArrayReader.prototype.readData = function(size) {
+    this.checkOffset(size);
+    if(size === 0) {
+        return [];
+    }
+    var result = this.data.slice(this.zero + this.index, this.zero + this.index + size);
+    this.index += size;
+    return result;
+};
+module.exports = ArrayReader;