Use common SearchBox

Author: ryyppy

components/SearchBox.js

@@ -0,0 +1,101 @@
+/*
+* This SearchBox is used for fuzzy-find search scenarios, such as the syntax widget tool or
+* the package index
+*/
+
+@bs.send external focus: Dom.element => unit = "focus"
+
+type state =
+  | Active
+  | Inactive
+
+@react.component
+let make = (
+  ~completionValues: array<string>=[], // set of possible values
+  ~value: string,
+  ~onClear: unit => unit,
+  ~placeholder: string="",
+  ~onValueChange: string => unit,
+) => {
+  let (state, setState) = React.useState(_ => Inactive)
+  let textInput = React.useRef(Js.Nullable.null)
+
+  let onMouseDownClear = evt => {
+    ReactEvent.Mouse.preventDefault(evt)
+    onClear()
+  }
+
+  let focusInput = () =>
+    textInput.current->Js.Nullable.toOption->Belt.Option.forEach(el => el->focus)
+
+  let onAreaFocus = evt => {
+    let el = ReactEvent.Focus.target(evt)
+    let isDiv = Js.Null_undefined.isNullable(el["type"])
+
+    if isDiv && state === Inactive {
+      focusInput()
+    }
+  }
+
+  let onFocus = _ => {
+    setState(_ => Active)
+  }
+
+  let onBlur = _ => {
+    setState(_ => Inactive)
+  }
+
+  let onKeyDown = evt => {
+    let key = ReactEvent.Keyboard.key(evt)
+    let ctrlKey = ReactEvent.Keyboard.ctrlKey(evt)
+
+    let full = (ctrlKey ? "CTRL+" : "") ++ key
+
+    switch full {
+    | "Escape" => onClear()
+    | "Tab" =>
+      if Js.Array.length(completionValues) === 1 {
+        let targetValue = Belt.Array.getExn(completionValues, 0)
+
+        if targetValue !== value {
+          ReactEvent.Keyboard.preventDefault(evt)
+          onValueChange(targetValue)
+        } else {
+          ()
+        }
+      }
+    | _ => ()
+    }
+  }
+
+  let onChange = evt => {
+    ReactEvent.Form.preventDefault(evt)
+    let value = ReactEvent.Form.target(evt)["value"]
+    onValueChange(value)
+  }
+
+  <div
+    tabIndex={-1}
+    onFocus=onAreaFocus
+    onBlur
+    className={(
+      state === Active ? "border-fire" : "border-fire-40"
+    ) ++ " flex items-center border rounded-lg py-4 px-5"}>
+    <Icon.MagnifierGlass
+      className={(state === Active ? "text-fire" : "text-fire-80") ++ " w-4 h-4"}
+    />
+    <input
+      value
+      ref={ReactDOM.Ref.domRef(textInput)}
+      onFocus
+      onKeyDown
+      onChange={onChange}
+      placeholder
+      className="text-16 outline-none ml-4 w-full"
+      type_="text"
+    />
+    <button onFocus className={value === "" ? "hidden" : "block"} onMouseDown=onMouseDownClear>
+      <Icon.Close className="w-4 h-4 text-fire" />
+    </button>
+  </div>
+}