nakarte

commit 48838f7faede19327ec352cf451cf9bb1cce2f23
parent 26f10cbd587371378d2d3e0d7440f1e00d549cbc
Author: Sergej Orlov <wladimirych@gmail.com>
Date:   Thu,  9 Feb 2017 11:40:31 +0300

moved functions for working with binary strings to separate package

Diffstat:
A
src/lib/binary-strings/index.js
 | 
30
++++++++++++++++++++++++++++++
M
src/lib/file-read/index.js
 | 
16
+---------------
M
src/lib/xhr-promise/index.js
 | 
16
++--------------

3 files changed, 33 insertions(+), 29 deletions(-)
diff --git a/src/lib/binary-strings/index.js b/src/lib/binary-strings/index.js
@@ -0,0 +1,29 @@
+function arrayBufferToString(arBuf) {
+    const
+        arr = new Uint8Array(arBuf),
+        s = [];
+    for (let i = 0; i < arr.length; i += 4096) {
+        let chunk = arr.subarray(i, i + 4096);
+        chunk = String.fromCharCode.apply(null, chunk);
+        s.push(chunk);
+    }
+    return s.join('');
+}
+
+function stringToArrayBuffer(s) {
+    const
+        length = s.length,
+        buf = new ArrayBuffer(length),
+        arr = new Uint8Array(buf);
+    for (let i = 0; i < length; i++) {
+        arr[i] = s.charCodeAt(i);
+    }
+    return buf;
+}
+
+function blobFromString(s) {
+    const arr = stringToArrayBuffer(s);
+    return new Blob([arr]);
+}
+
+export {arrayBufferToString, blobFromString, stringToArrayBuffer};
+\ No newline at end of file
diff --git a/src/lib/file-read/index.js b/src/lib/file-read/index.js
@@ -1,18 +1,4 @@
-function intArrayToString(arr) {
-    var s = [];
-    var chunk;
-    for (var i = 0; i < arr.length; i += 4096) {
-        chunk = arr.subarray(i, i + 4096);
-        chunk = String.fromCharCode.apply(null, chunk);
-        s.push(chunk);
-    }
-    return s.join('');
-}
-
-function arrayBufferToString(arBuf) {
-    var arr = new Uint8Array(arBuf);
-    return intArrayToString(arr);
-}
+import {arrayBufferToString} from 'lib/binary-strings';
 
 const selectFiles = (() => {
     let fileInput;
diff --git a/src/lib/xhr-promise/index.js b/src/lib/xhr-promise/index.js
@@ -1,3 +1,5 @@
+import {arrayBufferToString} from 'lib/binary-strings';
+
 function successIfStatus200(xhr) {
     return xhr.status >= 200 && xhr.status <= 299;
 }
@@ -6,20 +8,6 @@ function retryIfNetworkErrorOrServerError(xhr) {
     return (xhr.status === 0 || xhr.status >= 500);
 }
 
-
-function arrayBufferToString(arBuf) {
-    const result = [];
-    const arr = new Uint8Array(arBuf);
-    let chunk;
-    for (let i = 0; i < arr.length; i += 4096) {
-        chunk = arr.subarray(i, i + 4096);
-        chunk = String.fromCharCode.apply(null, chunk);
-        result.push(chunk);
-    }
-    return result.join('');
-}
-
-
 class XMLHttpRequestPromise {
     constructor(
         url, {method='GET', data=null, responseType='', timeout=30000, maxTries=3, retryTimeWait=1000,