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mirror of https://github.com/AvengeMedia/DankMaterialShell.git synced 2025-12-05 21:15:38 -05:00
Files
DankMaterialShell/Widgets/SpotlightLauncher.qml
bbedward 603ac51df0 Better app launchers using rescan, and fuzzysort. GPL license.
FuzzySort was ripped from caelestia, which is the reason for GPL change.
2025-07-14 11:25:18 -04:00

805 lines
36 KiB
QML

import QtQuick
import QtQuick.Controls
import QtQuick.Effects
import Quickshell
import Quickshell.Widgets
import Quickshell.Wayland
import Quickshell.Io
import "../Common"
import "../Services"
PanelWindow {
id: spotlightLauncher
property bool spotlightOpen: false
property var filteredApps: []
property int selectedIndex: 0
property int maxResults: 50
property var categories: {
var allCategories = AppSearchService.getAllCategories().filter(cat => cat !== "Education" && cat !== "Science")
// Insert "Recents" after "All"
var result = ["All", "Recents"]
return result.concat(allCategories.filter(cat => cat !== "All"))
}
property string selectedCategory: "All"
property string viewMode: "list" // "list" or "grid"
// Search debouncing
Timer {
id: searchDebounceTimer
interval: 100
repeat: false
onTriggered: updateFilteredApps()
}
// Periodic rescan while open
Timer {
id: periodicRescanTimer
interval: 15000 // 15 seconds
repeat: true
running: spotlightOpen
onTriggered: {
console.log("SpotlightLauncher: Periodic rescan triggered")
if (DesktopEntries.rescan) {
DesktopEntries.rescan()
}
}
}
anchors {
top: true
left: true
right: true
bottom: true
}
WlrLayershell.layer: WlrLayershell.Overlay
WlrLayershell.exclusiveZone: -1
WlrLayershell.keyboardFocus: spotlightOpen ? WlrKeyboardFocus.Exclusive : WlrKeyboardFocus.None
WlrLayershell.namespace: "quickshell-spotlight"
visible: spotlightOpen
onVisibleChanged: {
console.log("SpotlightLauncher visibility changed to:", visible)
}
color: "transparent"
// ...existing code...
function show() {
console.log("SpotlightLauncher: show() called")
// Trigger manual rescan when opening
console.log("SpotlightLauncher: Triggering manual rescan on show")
if (DesktopEntries.rescan) {
DesktopEntries.rescan()
}
spotlightOpen = true
console.log("SpotlightLauncher: spotlightOpen set to", spotlightOpen)
searchDebounceTimer.stop() // Stop any pending search
updateFilteredApps() // Immediate update when showing
Qt.callLater(function() {
searchField.forceActiveFocus()
searchField.selectAll()
})
}
function hide() {
spotlightOpen = false
searchDebounceTimer.stop() // Stop any pending search
searchField.text = ""
selectedIndex = 0
selectedCategory = "All"
updateFilteredApps()
}
function toggle() {
if (spotlightOpen) {
hide()
} else {
show()
}
}
function updateFilteredApps() {
if (!AppSearchService.ready) {
filteredApps = []
selectedIndex = 0
filteredModel.clear()
return
}
filteredApps = []
selectedIndex = 0
var apps = []
var searchQuery = searchField.text
if (searchQuery.length === 0) {
// Show apps from category
if (selectedCategory === "All") {
// For "All" category, show all available apps
apps = AppSearchService.applications || []
} else if (selectedCategory === "Recents") {
// For "Recents" category, get recent apps from Prefs and filter out non-existent ones
var recentApps = Prefs.getRecentApps()
apps = recentApps
.map(recentApp => AppSearchService.getAppByExec(recentApp.exec))
.filter(app => app !== null && !app.noDisplay)
} else {
// For specific categories, limit results
var categoryApps = AppSearchService.getAppsInCategory(selectedCategory)
apps = categoryApps.slice(0, maxResults)
}
} else {
// Search with category filter
if (selectedCategory === "All") {
// For "All" category, search all apps without limit
apps = AppSearchService.searchApplications(searchQuery)
} else if (selectedCategory === "Recents") {
// For "Recents" category, search within recent apps
var recentApps = Prefs.getRecentApps()
var recentDesktopEntries = recentApps
.map(recentApp => AppSearchService.getAppByExec(recentApp.exec))
.filter(app => app !== null && !app.noDisplay)
if (recentDesktopEntries.length > 0) {
var allSearchResults = AppSearchService.searchApplications(searchQuery)
var recentNames = new Set(recentDesktopEntries.map(app => app.name))
// Filter search results to only include recent apps
apps = allSearchResults.filter(searchApp => recentNames.has(searchApp.name))
} else {
apps = []
}
} else {
// For specific categories, filter search results by category
var categoryApps = AppSearchService.getAppsInCategory(selectedCategory)
if (categoryApps.length > 0) {
var allSearchResults = AppSearchService.searchApplications(searchQuery)
var categoryNames = new Set(categoryApps.map(app => app.name))
// Filter search results to only include apps from the selected category
apps = allSearchResults.filter(searchApp => categoryNames.has(searchApp.name)).slice(0, maxResults)
} else {
apps = []
}
}
}
// Convert to our format - batch operations for better performance
filteredApps = apps.map(app => ({
name: app.name,
exec: app.execString || "",
icon: app.icon || "application-x-executable",
comment: app.comment || "",
categories: app.categories || [],
desktopEntry: app
}))
// Clear and repopulate model efficiently
filteredModel.clear()
filteredApps.forEach(app => filteredModel.append(app))
}
function launchApp(app) {
Prefs.addRecentApp(app)
if (app.desktopEntry) {
AppSearchService.launchApp(app.desktopEntry)
} else {
var cleanExec = app.exec.replace(/%[fFuU]/g, "").trim()
console.log("Spotlight: Launching app directly:", cleanExec)
Quickshell.execDetached(["sh", "-c", cleanExec])
}
hide()
}
function selectNext() {
if (filteredApps.length > 0) {
if (viewMode === "grid") {
// Grid navigation: move by columns (6 columns)
var columnsCount = 6
selectedIndex = Math.min(selectedIndex + columnsCount, filteredApps.length - 1)
} else {
// List navigation: next item
selectedIndex = (selectedIndex + 1) % filteredApps.length
}
}
}
function selectPrevious() {
if (filteredApps.length > 0) {
if (viewMode === "grid") {
// Grid navigation: move by columns (6 columns)
var columnsCount = 6
selectedIndex = Math.max(selectedIndex - columnsCount, 0)
} else {
// List navigation: previous item
selectedIndex = selectedIndex > 0 ? selectedIndex - 1 : filteredApps.length - 1
}
}
}
function selectNextInRow() {
if (filteredApps.length > 0 && viewMode === "grid") {
selectedIndex = Math.min(selectedIndex + 1, filteredApps.length - 1)
}
}
function selectPreviousInRow() {
if (filteredApps.length > 0 && viewMode === "grid") {
selectedIndex = Math.max(selectedIndex - 1, 0)
}
}
function launchSelected() {
if (filteredApps.length > 0 && selectedIndex >= 0 && selectedIndex < filteredApps.length) {
launchApp(filteredApps[selectedIndex])
}
}
ListModel { id: filteredModel }
Connections {
target: AppSearchService
function onReadyChanged() {
if (AppSearchService.ready) {
var allCategories = AppSearchService.getAllCategories().filter(cat => cat !== "Education" && cat !== "Science")
// Insert "Recents" after "All"
var result = ["All", "Recents"]
categories = result.concat(allCategories.filter(cat => cat !== "All"))
if (spotlightOpen) updateFilteredApps()
}
}
}
Connections {
target: DesktopEntries
function onApplicationsChanged() {
console.log("SpotlightLauncher: DesktopEntries.applicationsChanged signal received")
// Update categories when applications change
if (AppSearchService.ready) {
console.log("SpotlightLauncher: Updating categories and apps due to applicationsChanged")
var allCategories = AppSearchService.getAllCategories().filter(cat => cat !== "Education" && cat !== "Science")
var result = ["All", "Recents"]
categories = result.concat(allCategories.filter(cat => cat !== "All"))
if (spotlightOpen) updateFilteredApps()
} else {
console.log("SpotlightLauncher: AppSearchService not ready, skipping update")
}
}
}
// Dimmed overlay background
Rectangle {
anchors.fill: parent
color: Qt.rgba(0, 0, 0, 0.4)
opacity: spotlightOpen ? 1.0 : 0.0
Behavior on opacity { NumberAnimation { duration: Theme.shortDuration; easing.type: Theme.standardEasing } }
MouseArea { anchors.fill: parent; enabled: spotlightOpen; onClicked: hide() }
}
// Main container with search and results
Rectangle {
id: mainContainer
width: 600
height: {
// Fixed height to prevent shrinking - consistent experience
let baseHeight = Theme.spacingXL * 2 + Theme.spacingL * 3 // Margins and spacing
// Add category section height if visible
if (categories.length > 1 || filteredModel.count > 0) {
baseHeight += 36 * 2 + Theme.spacingS + Theme.spacingM // Categories (2 rows)
}
// Add search field height
baseHeight += 56
// Add fixed results height for consistent size
let fixedResultsHeight = 400 // Always same height regardless of content
baseHeight += fixedResultsHeight
// Ensure reasonable bounds
return Math.min(Math.max(baseHeight, 500), parent.height - 40)
}
anchors.centerIn: parent
color: Theme.surfaceContainer
radius: Theme.cornerRadiusXLarge
border.color: Qt.rgba(Theme.outline.r, Theme.outline.g, Theme.outline.b, 0.2)
border.width: 1
layer.enabled: true
layer.effect: MultiEffect {
shadowEnabled: true
shadowHorizontalOffset: 0
shadowVerticalOffset: 8
shadowBlur: 1.0 // radius/32
shadowColor: Qt.rgba(0, 0, 0, 0.3)
shadowOpacity: 0.3
}
transform: Scale { origin.x: width/2; origin.y: height/2; xScale: spotlightOpen?1:0.9; yScale: spotlightOpen?1:0.9;
Behavior on xScale { NumberAnimation { duration: Theme.mediumDuration; easing.type: Easing.OutBack; easing.overshoot:1.1 } }
Behavior on yScale { NumberAnimation { duration: Theme.mediumDuration; easing.type: Easing.OutBack; easing.overshoot:1.1 } }
}
opacity: spotlightOpen?1:0
Behavior on opacity { NumberAnimation { duration: Theme.mediumDuration; easing.type: Theme.emphasizedEasing } }
Column {
anchors.fill: parent; anchors.margins: Theme.spacingXL; spacing: Theme.spacingL
// Combined row for categories and view mode toggle
Column {
width: parent.width
spacing: Theme.spacingM
visible: categories.length > 1 || filteredModel.count > 0
// Categories organized in 2 rows: 4 + 5
Column {
width: parent.width
spacing: Theme.spacingS
// Top row: All, Development, Graphics, Internet (4 items)
Row {
width: parent.width
spacing: Theme.spacingS
property var topRowCategories: ["All", "Recents", "Development", "Graphics"]
Repeater {
model: parent.topRowCategories.filter(cat => categories.includes(cat))
Rectangle {
height: 36
width: (parent.width - (parent.topRowCategories.length - 1) * Theme.spacingS) / parent.topRowCategories.length
radius: Theme.cornerRadiusLarge
color: selectedCategory === modelData ? Theme.primary : "transparent"
border.color: selectedCategory === modelData ? "transparent" : Qt.rgba(Theme.outline.r, Theme.outline.g, Theme.outline.b, 0.3)
Text {
anchors.centerIn: parent
text: modelData
color: selectedCategory === modelData ? Theme.surface : Theme.surfaceText
font.pixelSize: Theme.fontSizeMedium
font.weight: selectedCategory === modelData ? Font.Medium : Font.Normal
elide: Text.ElideRight
}
MouseArea {
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: {
selectedCategory = modelData
updateFilteredApps()
}
}
}
}
}
// Bottom row: Media, Office, Settings, System, Utilities (5 items)
Row {
width: parent.width
spacing: Theme.spacingS
property var bottomRowCategories: ["Internet", "Media", "Office", "Settings", "System"]
Repeater {
model: parent.bottomRowCategories.filter(cat => categories.includes(cat))
Rectangle {
height: 36
width: (parent.width - (parent.bottomRowCategories.length - 1) * Theme.spacingS) / parent.bottomRowCategories.length
radius: Theme.cornerRadiusLarge
color: selectedCategory === modelData ? Theme.primary : "transparent"
border.color: selectedCategory === modelData ? "transparent" : Qt.rgba(Theme.outline.r, Theme.outline.g, Theme.outline.b, 0.3)
Text {
anchors.centerIn: parent
text: modelData
color: selectedCategory === modelData ? Theme.surface : Theme.surfaceText
font.pixelSize: Theme.fontSizeMedium
font.weight: selectedCategory === modelData ? Font.Medium : Font.Normal
elide: Text.ElideRight
}
MouseArea {
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: {
selectedCategory = modelData
updateFilteredApps()
}
}
}
}
}
}
}
// Search field with view toggle buttons
Row {
width: parent.width
spacing: Theme.spacingM
Rectangle {
id: searchContainer
width: parent.width - 80 - Theme.spacingM // Leave space for view toggle buttons
height: 56
radius: Theme.cornerRadiusLarge
color: Theme.surfaceVariant
border.width: searchField.activeFocus ? 2 : 1
border.color: searchField.activeFocus ? Theme.primary : Qt.rgba(Theme.outline.r, Theme.outline.g, Theme.outline.b, 0.3)
Behavior on border.color { ColorAnimation { duration: Theme.shortDuration; easing.type: Theme.standardEasing } }
Row {
anchors.fill: parent
anchors.leftMargin: Theme.spacingL
anchors.rightMargin: Theme.spacingL
spacing: Theme.spacingM
Text {
anchors.verticalCenter: parent.verticalCenter
text: "search"
font.family: Theme.iconFont
font.pixelSize: Theme.iconSize
color: searchField.activeFocus ? Theme.primary : Theme.surfaceVariantText
}
TextInput {
id: searchField
anchors.verticalCenter: parent.verticalCenter
width: parent.width - parent.spacing - Theme.iconSize - 32
height: parent.height - Theme.spacingS
color: Theme.surfaceText
font.pixelSize: Theme.fontSizeLarge
verticalAlignment: Text.AlignVCenter
focus: spotlightOpen
selectByMouse: true
onTextChanged: {
searchDebounceTimer.restart()
}
Keys.onPressed: (event) => {
if(event.key === Qt.Key_Escape) { hide(); event.accepted = true }
else if(event.key === Qt.Key_Return || event.key === Qt.Key_Enter) { launchSelected(); event.accepted = true }
else if(event.key === Qt.Key_Down) { selectNext(); event.accepted = true }
else if(event.key === Qt.Key_Up) { selectPrevious(); event.accepted = true }
else if(event.key === Qt.Key_Right && viewMode === "grid") { selectNextInRow(); event.accepted = true }
else if(event.key === Qt.Key_Left && viewMode === "grid") { selectPreviousInRow(); event.accepted = true }
}
Text {
anchors.verticalCenter: parent.verticalCenter
text: "Search applications..."
color: Theme.surfaceVariantText
font.pixelSize: Theme.fontSizeLarge
visible: searchField.text.length === 0 && !searchField.activeFocus
}
}
}
}
// View mode toggle buttons next to search bar
Row {
spacing: Theme.spacingXS
visible: filteredModel.count > 0
anchors.verticalCenter: parent.verticalCenter
// List view button
Rectangle {
width: 36
height: 36
radius: Theme.cornerRadiusLarge
color: viewMode === "list" ? Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.12) :
listViewArea.containsMouse ? Qt.rgba(Theme.surfaceVariant.r, Theme.surfaceVariant.g, Theme.surfaceVariant.b, 0.08) : "transparent"
border.color: viewMode === "list" ? Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.3) : "transparent"
border.width: 1
Text {
anchors.centerIn: parent
text: "view_list"
font.family: Theme.iconFont
font.pixelSize: 18
color: viewMode === "list" ? Theme.primary : Theme.surfaceText
}
MouseArea {
id: listViewArea
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: viewMode = "list"
}
}
// Grid view button
Rectangle {
width: 36
height: 36
radius: Theme.cornerRadiusLarge
color: viewMode === "grid" ? Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.12) :
gridViewArea.containsMouse ? Qt.rgba(Theme.surfaceVariant.r, Theme.surfaceVariant.g, Theme.surfaceVariant.b, 0.08) : "transparent"
border.color: viewMode === "grid" ? Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.3) : "transparent"
border.width: 1
Text {
anchors.centerIn: parent
text: "grid_view"
font.family: Theme.iconFont
font.pixelSize: 18
color: viewMode === "grid" ? Theme.primary : Theme.surfaceText
}
MouseArea {
id: gridViewArea
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: viewMode = "grid"
}
}
}
}
// Results container
Rectangle {
id: resultsContainer
width: parent.width
height: parent.height - y // Use remaining space
color: "transparent"
// List view
ListView {
id: resultsList
anchors.fill: parent
visible: viewMode === "list"
model: filteredModel
currentIndex: selectedIndex
clip: true
focus: spotlightOpen
interactive: true
flickDeceleration: 8000
maximumFlickVelocity: 15000
// Make mouse wheel scrolling more responsive
property real wheelStepSize: 60
MouseArea {
anchors.fill: parent
acceptedButtons: Qt.NoButton
propagateComposedEvents: true
z: -1
onWheel: (wheel) => {
var delta = wheel.angleDelta.y
var steps = delta / 120 // Standard wheel step
resultsList.contentY -= steps * resultsList.wheelStepSize
// Ensure we stay within bounds
if (resultsList.contentY < 0) {
resultsList.contentY = 0
} else if (resultsList.contentY > resultsList.contentHeight - resultsList.height) {
resultsList.contentY = Math.max(0, resultsList.contentHeight - resultsList.height)
}
}
}
delegate: Rectangle {
width: resultsList.width
height: 60
radius: Theme.cornerRadius
color: ListView.isCurrentItem ? Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.12) :
listMouseArea.containsMouse ? Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.06) : "transparent"
Row {
anchors.fill: parent
anchors.margins: Theme.spacingM
spacing: Theme.spacingL
Rectangle {
width: 40
height: 40
radius: Theme.cornerRadius
color: Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.1)
border.color: Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.2)
border.width: 1
anchors.verticalCenter: parent.verticalCenter
IconImage {
anchors.fill: parent
anchors.margins: 4
source: model.icon ? Quickshell.iconPath(model.icon, "") : ""
}
}
Column {
anchors.verticalCenter: parent.verticalCenter
spacing: 2
Text {
text: model.name
font.pixelSize: Theme.fontSizeLarge
color: Theme.surfaceText
font.weight: Font.Medium
elide: Text.ElideRight
}
Text {
text: model.comment
font.pixelSize: Theme.fontSizeMedium
color: Theme.surfaceVariantText
visible: model.comment && model.comment.length > 0
elide: Text.ElideRight
}
}
}
MouseArea {
id: listMouseArea
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
z: 10
onEntered: selectedIndex = index
onClicked: launchApp(model)
}
}
ScrollBar.vertical: ScrollBar { policy: ScrollBar.AlwaysOn }
}
// Grid view
GridView {
id: resultsGrid
// Center the grid within the parent space
anchors.centerIn: parent
width: Math.min(parent.width, baseCellWidth * 6 + 16) // Optimal width for 6 columns plus spacing
height: parent.height
visible: viewMode === "grid"
model: filteredModel
clip: true
focus: spotlightOpen
interactive: true
flickDeceleration: 8000
maximumFlickVelocity: 15000
// Optimized cell sizes for maximum space efficiency - 6 columns
property int baseCellWidth: Math.max(85, Math.min(100, width / 6))
property int baseCellHeight: baseCellWidth + 30
cellWidth: baseCellWidth
cellHeight: baseCellHeight
// Use full width with minimal 2px right margin for scrollbar
leftMargin: 0
rightMargin: 2
topMargin: Theme.spacingXS
bottomMargin: Theme.spacingXS
// Make mouse wheel scrolling more responsive
property real wheelStepSize: 60
MouseArea {
anchors.fill: parent
acceptedButtons: Qt.NoButton
propagateComposedEvents: true
z: -1
onWheel: (wheel) => {
var delta = wheel.angleDelta.y
var steps = delta / 120 // Standard wheel step
resultsGrid.contentY -= steps * resultsGrid.wheelStepSize
// Ensure we stay within bounds
if (resultsGrid.contentY < 0) {
resultsGrid.contentY = 0
} else if (resultsGrid.contentY > resultsGrid.contentHeight - resultsGrid.height) {
resultsGrid.contentY = Math.max(0, resultsGrid.contentHeight - resultsGrid.height)
}
}
}
delegate: Rectangle {
width: resultsGrid.cellWidth - 8
height: resultsGrid.cellHeight - 8
radius: Theme.cornerRadius
color: selectedIndex === index ? Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.12) :
gridMouseArea.containsMouse ? Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.06) : "transparent"
border.color: Qt.rgba(Theme.outline.r, Theme.outline.g, Theme.outline.b, 0.08)
border.width: 1
Column {
anchors.centerIn: parent
spacing: Theme.spacingS
Item {
property int iconSize: Math.min(48, Math.max(32, resultsGrid.cellWidth * 0.55))
width: iconSize
height: iconSize
anchors.horizontalCenter: parent.horizontalCenter
Rectangle {
anchors.fill: parent
radius: Theme.cornerRadius
color: Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.1)
border.color: Qt.rgba(Theme.primary.r, Theme.primary.g, Theme.primary.b, 0.2)
border.width: 1
IconImage {
anchors.fill: parent
anchors.margins: 4
source: model.icon ? Quickshell.iconPath(model.icon, "") : ""
}
}
}
Text {
anchors.horizontalCenter: parent.horizontalCenter
width: resultsGrid.cellWidth - 16
text: model.name
font.pixelSize: Theme.fontSizeSmall
color: Theme.surfaceText
font.weight: Font.Medium
elide: Text.ElideRight
wrapMode: Text.Wrap
maximumLineCount: 2
horizontalAlignment: Text.AlignHCenter
}
}
MouseArea {
id: gridMouseArea
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
z: 10
onEntered: selectedIndex = index
onClicked: launchApp(model)
}
}
ScrollBar.vertical: ScrollBar { policy: ScrollBar.AsNeeded }
}
}
}
}
IpcHandler {
target: "spotlight"
function open() {
console.log("SpotlightLauncher: IPC open() called")
spotlightLauncher.show()
return "SPOTLIGHT_OPEN_SUCCESS"
}
function close() {
console.log("SpotlightLauncher: IPC close() called")
spotlightLauncher.hide()
return "SPOTLIGHT_CLOSE_SUCCESS"
}
function toggle() {
console.log("SpotlightLauncher: IPC toggle() called")
spotlightLauncher.toggle()
return "SPOTLIGHT_TOGGLE_SUCCESS"
}
function rescan() {
console.log("SpotlightLauncher: IPC rescan() called")
if (DesktopEntries.rescan) {
DesktopEntries.rescan()
console.log("SpotlightLauncher: Triggered DesktopEntries rescan")
}
return "SPOTLIGHT_RESCAN_SUCCESS"
}
}
Component.onCompleted: {
console.log("SpotlightLauncher: Component.onCompleted called - component loaded successfully!")
if (AppSearchService.ready) {
var allCategories = AppSearchService.getAllCategories().filter(cat => cat !== "Education" && cat !== "Science")
// Insert "Recents" after "All"
var result = ["All", "Recents"]
categories = result.concat(allCategories.filter(cat => cat !== "All"))
}
}
}