1 files changed, 104 insertions, 0 deletions
diff --git a/src/util.js b/src/util.js
new file mode 100644
index 0000000..ef1cf50
--- /dev/null
+++ b/src/util.js
@@ -0,0 +1,104 @@
+const rem_emp = function (e) {return e !== "";}
+
+module.exports = { 
+  upload_limit(guild){
+    //https://stackoverflow.com/questions/66396146/get-channels-filesize-limit
+    switch (guild.premiumTier) {
+      case 'TIER_3': return 100
+      case 'TIER_2': return 50
+      default: return 8
+    }
+  },
+  limit_exp(exp,length){
+    exp = exp.split('e')
+    for(let i = 0; i!=length; i++)
+      exp[0]+="0"
+    exp[0] = exp[0].substring(0,length+2)
+    return exp.join('e')
+  },
+  rem_emp,
+  parse_inp(str){
+    let open = false;
+    let out = []
+    let cur = ""
+    for(let c of str){
+      if(c=='"'){
+        if(open){
+          out.push(cur)
+          cur=""
+        }
+        open=!open;
+      }
+      else {
+        if(!open){
+          if(c==' '){
+            out.push(cur)
+            cur=""
+          } else {
+            cur+=c
+          }
+        } else {
+          cur+=c
+        }
+          
+      }
+    }
+    out.push(cur)
+    return out.filter(rem_emp)
+  },
+  similarity(s1, s2) {
+    //https://stackoverflow.com/questions/10473745/compare-strings-javascript-return-of-likely
+    function editDistance(s1, s2) {
+      s1 = s1.toLowerCase();
+      s2 = s2.toLowerCase();
+    
+      var costs = new Array();
+      for (var i = 0; i <= s1.length; i++) {
+        var lastValue = i;
+        for (var j = 0; j <= s2.length; j++) {
+          if (i == 0)
+            costs[j] = j;
+          else {
+            if (j > 0) {
+              var newValue = costs[j - 1];
+              if (s1.charAt(i - 1) != s2.charAt(j - 1))
+                newValue = Math.min(Math.min(newValue, lastValue),
+                  costs[j]) + 1;
+              costs[j - 1] = lastValue;
+              lastValue = newValue;
+            }
+          }
+        }
+        if (i > 0)
+          costs[s2.length] = lastValue;
+      }
+      return costs[s2.length];
+    }
+    var longer = s1;
+    var shorter = s2;
+    if (s1.length < s2.length) {
+      longer = s2;
+      shorter = s1;
+    }
+    var longerLength = longer.length;
+    if (longerLength == 0) {
+      return 1.0;
+    }
+    return (longerLength - editDistance(longer, shorter)) / parseFloat(longerLength);
+  },
+
+  deepCopy(src) {
+    //https://stackoverflow.com/questions/122102/what-is-the-most-efficient-way-to-deep-clone-an-object-in-javascript/49497485
+    let target = Array.isArray(src) ? [] : {};
+    for (let prop in src) {
+      let value = src[prop];
+      if(value && typeof value === 'object') {
+        target[prop] = deepCopy(value);
+    } else {
+        target[prop] = value;
+    }
+   }
+      return target;
+  }
+  
+}
+\ No newline at end of file