Initial commit

node_modules/licia/crc32.js

@@ -0,0 +1,29 @@
+var isStr = require('./isStr');
+var strToBytes = require('./strToBytes');
+var TABLE = [];
+for (var n = 0; n < 256; n++) {
+    var c = n;
+    for (var k = 0; k < 8; k++) {
+        if (c & 1) {
+            c = 0xedb88320 ^ (c >>> 1);
+        } else {
+            c = c >>> 1;
+        }
+    }
+    TABLE[n] = c >>> 0;
+}
+if (typeof Int32Array !== 'undefined') TABLE = new Int32Array(TABLE);
+exports = function(input, previous) {
+    return exports.signed(input, previous) >>> 0;
+};
+exports.signed = function(input, previous) {
+    if (isStr(input)) input = strToBytes(input);
+    var crc = previous === 0 ? 0 : ~~previous ^ -1;
+    for (var i = 0, len = input.length; i < len; i++) {
+        var byte = input[i];
+        crc = TABLE[(crc ^ byte) & 0xff] ^ (crc >>> 8);
+    }
+    return crc ^ -1;
+};
+
+module.exports = exports;