refine only layout of code

src/module/setChartData.js

@@ -26,8 +26,12 @@ export function setLineChartData(baseData, xMax, xMin, isPercent, yMax, yMin) {
   let e = 2;
   let f = baseData[1].y;
   b = (e*d - a*d - f*a - f*c) / (e - c - a)
-  if(isPercent) b = b >= 1 ? 1 : b <= 0 ? 0 : b;
-  else b = b >= yMax ? yMax : b <= yMin ? yMin : b;
+  if(isPercent) {
+    b = b >= 1 ? 1 : b <= 0 ? 0 : b;
+  }
+  else {
+    b = b >= yMax ? yMax : b <= yMin ? yMin : b;
+  }
 
   // y 軸最大值
   let ma = 9;
@@ -37,10 +41,16 @@ export function setLineChartData(baseData, xMax, xMin, isPercent, yMax, yMin) {
   let me = 11;
   let mf;
   mf = (mb*me - mb*mc -md*me + md*ma) / (ma - mc);
-  if(isPercent) mf = mf >= 1 ? 1 : mf <= 0 ? 0 : mf;
-  else mf = mf >= yMax ? yMax : mf <= yMin ? yMin : mf;
+  if(isPercent) {
+    mf = mf >= 1 ? 1 : mf <= 0 ? 0 : mf;
+  }
+  else {
+    mf = mf >= yMax ? yMax : mf <= yMin ? yMin : mf;
+  }
 
   // 添加最小值
+  // The unshift() method of Array instances adds the specified elements to
+  // the beginning of an array and returns the new length of the array.
   data.unshift({
     x: xMin,
     y: b,
@@ -177,7 +187,9 @@ export function formatTime(seconds) {
     result += `${remainingSeconds}s`;
 
     return result.trim(); // 去除最后一个空格
-  } else return null;
+  } else {
+    return null;
+  }
 }
 /**
  * 只顯示最大的兩個單位