Fetch binary chunk and draw on canvas

web/src/helpers/u8ToBits.ts

@@ -0,0 +1,19 @@
+export type U8bits = [boolean, boolean, boolean, boolean, boolean, boolean, boolean, boolean]
+
+export function u8ToBits(dec: number): U8bits {
+    const str = (dec >>> 0).toString(2)
+    const str8 = leftPad(str)
+    const arr: U8bits = [false, false, false, false, false, false, false, false]
+    for (let i=0; i<8; i++) {
+        arr[i] = str8[i] === '1' ? true : false
+    }
+    return arr
+}
+
+function leftPad(str: string): string {
+    const padCount = 8 - str.length
+    for(let i=0; i<padCount; i++) {
+        str = '0' + str
+    }
+    return str
+}