update components

dashboard-ui/bower_components/hls.js/src/utils/attr-list.js

@@ -0,0 +1,83 @@
+
+// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js
+class AttrList {
+
+  constructor(attrs) {
+    if (typeof attrs === 'string') {
+      attrs = AttrList.parseAttrList(attrs);
+    }
+    for(var attr in attrs){
+      if(attrs.hasOwnProperty(attr)) {
+        this[attr] = attrs[attr];
+      }
+    }
+  }
+
+  decimalInteger(attrName) {
+    const intValue = parseInt(this[attrName], 10);
+    if (intValue > Number.MAX_SAFE_INTEGER) {
+      return Infinity;
+    }
+    return intValue;
+  }
+
+  hexadecimalInteger(attrName) {
+    if(this[attrName]) {
+      let stringValue = (this[attrName] || '0x').slice(2);
+      stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;
+
+      const value = new Uint8Array(stringValue.length / 2);
+      for (let i = 0; i < stringValue.length / 2; i++) {
+        value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);
+      }
+      return value;
+    } else {
+      return null;
+    }
+  }
+
+  hexadecimalIntegerAsNumber(attrName) {
+    const intValue = parseInt(this[attrName], 16);
+    if (intValue > Number.MAX_SAFE_INTEGER) {
+      return Infinity;
+    }
+    return intValue;
+  }
+
+  decimalFloatingPoint(attrName) {
+    return parseFloat(this[attrName]);
+  }
+
+  enumeratedString(attrName) {
+    return this[attrName];
+  }
+
+  decimalResolution(attrName) {
+    const res = /^(\d+)x(\d+)$/.exec(this[attrName]);
+    if (res === null) {
+      return undefined;
+    }
+    return {
+      width: parseInt(res[1], 10),
+      height: parseInt(res[2], 10)
+    };
+  }
+
+  static parseAttrList(input) {
+    const re = /(.+?)=((?:\".*?\")|.*?)(?:,|$)/g;
+    var match, attrs = {};
+    while ((match = re.exec(input)) !== null) {
+      var value = match[2], quote = '"';
+
+      if (value.indexOf(quote) === 0 &&
+          value.lastIndexOf(quote) === (value.length-1)) {
+        value = value.slice(1, -1);
+      }
+      attrs[match[1]] = value;
+    }
+    return attrs;
+  }
+
+}
+
+export default AttrList;