flow like the river

VISUALIZACION/node_modules/polished/lib/internalHelpers/_statefulSelectors.js.flow

@@ -0,0 +1,33 @@
+// @flow
+import PolishedError from './_errors'
+
+import type { InteractionState } from '../types/interactionState'
+
+function generateSelectors(template: Function, state: InteractionState): string {
+  const stateSuffix = state ? `:${state}` : ''
+  return template(stateSuffix)
+}
+
+/**
+ * Function helper that adds an array of states to a template of selectors. Used in textInputs and buttons.
+ * @private
+ */
+function statefulSelectors(
+  states: Array<InteractionState>,
+  template: Function,
+  stateMap?: Array<InteractionState>,
+): string {
+  if (!template) throw new PolishedError(67)
+  if (states.length === 0) return generateSelectors(template, null)
+  let selectors = []
+  for (let i = 0; i < states.length; i += 1) {
+    if (stateMap && stateMap.indexOf(states[i]) < 0) {
+      throw new PolishedError(68)
+    }
+    selectors.push(generateSelectors(template, states[i]))
+  }
+  selectors = selectors.join(',')
+  return selectors
+}
+
+export default statefulSelectors