chg: dev: massive refactor on front-end - and remove unnecessary deps #4

assets/js/mine-seeker/components/grid/GridField.jsx

@@ -0,0 +1,45 @@
+import React, { memo } from 'react';
+import { IMG } from '../../constants';
+
+const bombSrc = area => {
+  if (null === area) return null;
+  const vert = ['left', 'center', 'right'][area[0]] ?? null;
+  const hor = ['top', 'middle', 'bottom'][area[1]] ?? null;
+  if (null === vert || null === hor) return IMG + 'bg-bomb-empty-outbg.png';
+  return `${IMG}bg-bomb-${hor}-${vert}-outbg.png`;
+};
+
+const GridField = memo(function GridField({ cell, onClick, onMouseEnter }) {
+  const { currentImage, currentObj, active, lastClickedRed, lastClickedBlue, bombTargetArea } = cell;
+
+  const fieldClass = 'field'
+    + (active ? ' active' : '')
+    + (active && 'm' === currentObj ? ' mine' : '')
+    + ' color-' + currentObj;
+
+  const inner = isNaN(currentImage)
+    ? (
+      <div className="flag-mine"><img src={currentImage} alt="" />
+        <div className="flag-mine-base" />
+      </div>
+    )
+    : currentImage ? <div className="flag-number">{currentImage}</div> : null;
+
+  const bSrc = bombSrc(bombTargetArea);
+  const showLast = lastClickedRed || lastClickedBlue;
+  const lastClass = 'field-' + (lastClickedRed ? 'red' : 'blue') + '-last last-clicked';
+  const lastSrc = lastClickedRed ? IMG + 'bg-last-red-outbg.png' : IMG + 'bg-last-blue-outbg.png';
+
+  return (
+    <div className="field-wrapper" onClick={onClick} onMouseEnter={onMouseEnter}>
+      <img className="field-target" src={IMG + 'bg-target-outbg.png'} alt="" />
+      {bSrc && <img className="field-bomb-target" src={bSrc} alt="" />}
+      {showLast && <img className={lastClass} src={lastSrc} alt="" />}
+      <div className={fieldClass}>
+        <div className="field-corner">{inner}</div>
+      </div>
+    </div>
+  );
+});
+
+export default GridField;