Fix: colorize tasks names sequentially instead of by hash (#115)

lib/run-task.js

@@ -24,21 +24,23 @@ const spawn = require("./spawn")
 
 const colors = [chalk.cyan, chalk.green, chalk.magenta, chalk.yellow, chalk.red]
 
+let colorIndex = 0
+const taskNamesToColors = new Map()
+
 /**
  * Select a color from given task name.
  *
  * @param {string} taskName - The task name.
  * @returns {function} A colorize function that provided by `chalk`
  */
 function selectColor(taskName) {
-    let hash = 0
-
-    for (const c of taskName) {
-        hash = ((hash << 5) - hash) + c
-        hash |= 0
+    let color = taskNamesToColors.get(taskName)
+    if (!color) {
+        color = colors[colorIndex]
+        colorIndex = (colorIndex + 1) % colors.length
+        taskNamesToColors.set(taskName, color)
     }
-
-    return colors[Math.abs(hash) % colors.length]
+    return color
 }
 
 /**