Configring node js.

node_modules/jszip/lib/reader/StringReader.js

@@ -0,0 +1,38 @@
+'use strict';
+var DataReader = require('./DataReader');
+var utils = require('../utils');
+
+function StringReader(data) {
+    DataReader.call(this, data);
+}
+utils.inherits(StringReader, DataReader);
+/**
+ * @see DataReader.byteAt
+ */
+StringReader.prototype.byteAt = function(i) {
+    return this.data.charCodeAt(this.zero + i);
+};
+/**
+ * @see DataReader.lastIndexOfSignature
+ */
+StringReader.prototype.lastIndexOfSignature = function(sig) {
+    return this.data.lastIndexOf(sig) - this.zero;
+};
+/**
+ * @see DataReader.readAndCheckSignature
+ */
+StringReader.prototype.readAndCheckSignature = function (sig) {
+    var data = this.readData(4);
+    return sig === data;
+};
+/**
+ * @see DataReader.readData
+ */
+StringReader.prototype.readData = function(size) {
+    this.checkOffset(size);
+    // this will work because the constructor applied the "& 0xff" mask.
+    var result = this.data.slice(this.zero + this.index, this.zero + this.index + size);
+    this.index += size;
+    return result;
+};
+module.exports = StringReader;