Inga/bettingfix (#879)

* making betting action panels much more minimal, particularly for mobile * added tiny follow button
2022-09-15 01:46:58 -05:00 · 2022-09-15 01:46:58 -05:00 · 8aaaf5e9e0
commit 8aaaf5e9e0
parent ccf02bdba8
10 changed files with 262 additions and 182 deletions
--- a/web/components/button.tsx
+++ b/web/components/button.tsx
@ -11,6 +11,7 @@ export type ColorType =
  | 'gray'
  | 'gradient'
  | 'gray-white'
+  | 'highlight-blue'

 export function Button(props: {
  className?: string
@ -56,7 +57,9 @@ export function Button(props: {
        color === 'gradient' &&
          'border-none bg-gradient-to-r from-indigo-500 to-blue-500 text-white hover:from-indigo-700 hover:to-blue-700',
        color === 'gray-white' &&
-          'border-none bg-white text-gray-500 shadow-none hover:bg-gray-200',
+          'text-greyscale-6 hover:bg-greyscale-2 border-none shadow-none',
+        color === 'highlight-blue' &&
+          'text-highlight-blue border-none shadow-none',
        className
      )}
      disabled={disabled}
--- a/web/components/contract/contract-details.tsx
+++ b/web/components/contract/contract-details.tsx
@ -1,9 +1,4 @@
-import {
-  ClockIcon,
-  DatabaseIcon,
-  PencilIcon,
-  UserGroupIcon,
-} from '@heroicons/react/outline'
+import { ClockIcon } from '@heroicons/react/outline'
 import clsx from 'clsx'
 import { Editor } from '@tiptap/react'
 import dayjs from 'dayjs'
@ -16,9 +11,8 @@ import { DateTimeTooltip } from '../datetime-tooltip'
 import { fromNow } from 'web/lib/util/time'
 import { Avatar } from '../avatar'
 import { useState } from 'react'
-import { ContractInfoDialog } from './contract-info-dialog'
 import NewContractBadge from '../new-contract-badge'
-import { UserFollowButton } from '../follow-button'
+import { MiniUserFollowButton } from '../follow-button'
 import { DAY_MS } from 'common/util/time'
 import { useUser } from 'web/hooks/use-user'
 import { exhibitExts } from 'common/util/parse'
@ -34,6 +28,8 @@ import { UserLink } from 'web/components/user-link'
 import { FeaturedContractBadge } from 'web/components/contract/featured-contract-badge'
 import { Tooltip } from 'web/components/tooltip'
 import { useWindowSize } from 'web/hooks/use-window-size'
+import { ExtraContractActionsRow } from './extra-contract-actions-row'
+import { PlusCircleIcon } from '@heroicons/react/solid'

 export type ShowTime = 'resolve-date' | 'close-date'

@ -104,90 +100,174 @@ export function AvatarDetails(props: {
  )
 }

+export function useIsMobile() {
+  const { width } = useWindowSize()
+  return (width ?? 0) < 600
+}
+
 export function ContractDetails(props: {
  contract: Contract
  disabled?: boolean
 }) {
  const { contract, disabled } = props
-  const {
-    closeTime,
-    creatorName,
-    creatorUsername,
-    creatorId,
-    creatorAvatarUrl,
-    resolutionTime,
-  } = contract
-  const { volumeLabel, resolvedDate } = contractMetrics(contract)
+  const { creatorName, creatorUsername, creatorId, creatorAvatarUrl } = contract
+  const { resolvedDate } = contractMetrics(contract)
  const user = useUser()
  const isCreator = user?.id === creatorId
+  const isMobile = useIsMobile()
+
+  return (
+    <Col>
+      <Row>
+        <Avatar
+          username={creatorUsername}
+          avatarUrl={creatorAvatarUrl}
+          noLink={disabled}
+          size={9}
+          className="mr-1.5"
+        />
+        {!disabled && (
+          <div className="absolute mt-3 ml-[11px]">
+            <MiniUserFollowButton userId={creatorId} />
+          </div>
+        )}
+        <Col className="text-greyscale-6 ml-2 flex-1 flex-wrap text-sm">
+          <Row className="w-full justify-between ">
+            {disabled ? (
+              creatorName
+            ) : (
+              <UserLink
+                className="my-auto whitespace-nowrap"
+                name={creatorName}
+                username={creatorUsername}
+                short={isMobile}
+              />
+            )}
+          </Row>
+          <Row className="text-2xs text-greyscale-4 gap-2 sm:text-xs">
+            <CloseOrResolveTime
+              contract={contract}
+              resolvedDate={resolvedDate}
+              isCreator={isCreator}
+            />
+            {!isMobile && (
+              <MarketGroups
+                contract={contract}
+                isMobile={isMobile}
+                disabled={disabled}
+              />
+            )}
+          </Row>
+        </Col>
+        <div className="mt-0">
+          <ExtraContractActionsRow contract={contract} />
+        </div>
+      </Row>
+      {/* GROUPS */}
+      {isMobile && (
+        <div className="mt-2">
+          <MarketGroups
+            contract={contract}
+            isMobile={isMobile}
+            disabled={disabled}
+          />
+        </div>
+      )}
+    </Col>
+  )
+}
+
+export function CloseOrResolveTime(props: {
+  contract: Contract
+  resolvedDate: any
+  isCreator: boolean
+}) {
+  const { contract, resolvedDate, isCreator } = props
+  const { resolutionTime, closeTime } = contract
+  console.log(closeTime, resolvedDate)
+  if (!!closeTime || !!resolvedDate) {
+    return (
+      <Row className="select-none items-center gap-1">
+        {resolvedDate && resolutionTime ? (
+          <>
+            <DateTimeTooltip text="Market resolved:" time={resolutionTime}>
+              <Row>
+                <div>resolved&nbsp;</div>
+                {resolvedDate}
+              </Row>
+            </DateTimeTooltip>
+          </>
+        ) : null}
+
+        {!resolvedDate && closeTime && (
+          <Row>
+            {dayjs().isBefore(closeTime) && <div>closes&nbsp;</div>}
+            {!dayjs().isBefore(closeTime) && <div>closed&nbsp;</div>}
+            <EditableCloseDate
+              closeTime={closeTime}
+              contract={contract}
+              isCreator={isCreator ?? false}
+            />
+          </Row>
+        )}
+      </Row>
+    )
+  } else return <></>
+}
+
+export function MarketGroups(props: {
+  contract: Contract
+  isMobile: boolean | undefined
+  disabled: boolean | undefined
+}) {
  const [open, setOpen] = useState(false)
-  const { width } = useWindowSize()
-  const isMobile = (width ?? 0) < 600
+  const user = useUser()
+  const { contract, isMobile, disabled } = props
  const groupToDisplay = getGroupLinkToDisplay(contract)
  const groupInfo = groupToDisplay ? (
    <Link prefetch={false} href={groupPath(groupToDisplay.slug)}>
      <a
        className={clsx(
-          linkClass,
-          'flex flex-row items-center truncate pr-0 sm:pr-2',
+          'flex flex-row items-center truncate pr-1',
          isMobile ? 'max-w-[140px]' : 'max-w-[250px]'
        )}
      >
-        <UserGroupIcon className="mx-1 inline h-5 w-5 shrink-0" />
-        <span className="items-center truncate">{groupToDisplay.name}</span>
+        <div className="bg-greyscale-4 hover:bg-greyscale-3 text-2xs items-center truncate rounded-full px-2 text-white sm:text-xs">
+          {groupToDisplay.name}
+        </div>
      </a>
    </Link>
  ) : (
-    <Button
-      size={'xs'}
-      className={'max-w-[200px] pr-2'}
-      color={'gray-white'}
-      onClick={() => !groupToDisplay && setOpen(true)}
+    <Row
+      className={clsx(
+        'cursor-default select-none items-center truncate pr-1',
+        isMobile ? 'max-w-[140px]' : 'max-w-[250px]'
+      )}
    >
-      <Row>
-        <UserGroupIcon className="mx-1 inline h-5 w-5 shrink-0" />
-        <span className="truncate">No Group</span>
-      </Row>
-    </Button>
-  )
-
-  return (
-    <Row className="flex-1 flex-wrap items-center gap-2 text-sm text-gray-500 md:gap-x-4 md:gap-y-2">
-      <Row className="items-center gap-2">
-        <Avatar
-          username={creatorUsername}
-          avatarUrl={creatorAvatarUrl}
-          noLink={disabled}
-          size={6}
-        />
-        {disabled ? (
-          creatorName
-        ) : (
-          <UserLink
-            className="whitespace-nowrap"
-            name={creatorName}
-            username={creatorUsername}
-            short={isMobile}
-          />
+      <div
+        className={clsx(
+          'bg-greyscale-4 text-2xs items-center truncate rounded-full px-2 text-white sm:text-xs'
        )}
-        {!disabled && <UserFollowButton userId={creatorId} small />}
-      </Row>
-      <Row>
+      >
+        No Group
+      </div>
+    </Row>
+  )
+  return (
+    <>
+      <Row className="align-middle">
        {disabled ? (
-          groupInfo
-        ) : !groupToDisplay && !user ? (
-          <div />
+          { groupInfo }
        ) : (
          <Row>
            {groupInfo}
-            {user && groupToDisplay && (
-              <Button
-                size={'xs'}
-                color={'gray-white'}
+            {user && (
+              <button
+                className="text-greyscale-4 hover:text-greyscale-3"
                onClick={() => setOpen(!open)}
              >
-                <PencilIcon className="mb-0.5 mr-0.5 inline h-4 w-4 shrink-0" />
-              </Button>
+                <PlusCircleIcon className="mb-0.5 mr-0.5 inline h-4 w-4 shrink-0" />
+              </button>
            )}
          </Row>
        )}
@ -201,45 +281,7 @@ export function ContractDetails(props: {
          <ContractGroupsList contract={contract} user={user} />
        </Col>
      </Modal>
-
-      {(!!closeTime || !!resolvedDate) && (
-        <Row className="hidden items-center gap-1 md:inline-flex">
-          {resolvedDate && resolutionTime ? (
-            <>
-              <ClockIcon className="h-5 w-5" />
-              <DateTimeTooltip text="Market resolved:" time={resolutionTime}>
-                {resolvedDate}
-              </DateTimeTooltip>
-            </>
-          ) : null}
-
-          {!resolvedDate && closeTime && user && (
-            <>
-              <ClockIcon className="h-5 w-5" />
-              <EditableCloseDate
-                closeTime={closeTime}
-                contract={contract}
-                isCreator={isCreator ?? false}
-              />
-            </>
-          )}
-        </Row>
-      )}
-      {user && (
-        <>
-          <Row className="hidden items-center gap-1 md:inline-flex">
-            <DatabaseIcon className="h-5 w-5" />
-            <div className="whitespace-nowrap">{volumeLabel}</div>
-          </Row>
-          {!disabled && (
-            <ContractInfoDialog
-              contract={contract}
-              className={'hidden md:inline-flex'}
-            />
-          )}
-        </>
-      )}
-    </Row>
+    </>
  )
 }

@ -280,12 +322,12 @@ export function ExtraMobileContractDetails(props: {
        !resolvedDate &&
        closeTime && (
          <Col className={'items-center text-sm text-gray-500'}>
+            <Row className={'text-gray-400'}>Closes&nbsp;</Row>
            <EditableCloseDate
              closeTime={closeTime}
              contract={contract}
              isCreator={creatorId === user?.id}
            />
-            <Row className={'text-gray-400'}>Ends</Row>
          </Col>
        )
      )}
--- a/web/components/contract/contract-info-dialog.tsx
+++ b/web/components/contract/contract-info-dialog.tsx
@ -18,6 +18,7 @@ import { deleteField } from 'firebase/firestore'
 import ShortToggle from '../widgets/short-toggle'
 import { DuplicateContractButton } from '../copy-contract-button'
 import { Row } from '../layout/row'
+import { Button } from '../button'

 export const contractDetailsButtonClassName =
  'group flex items-center rounded-md px-3 py-2 text-sm font-medium cursor-pointer hover:bg-gray-100 text-gray-400 hover:text-gray-500'
@ -67,19 +68,21 @@ export function ContractInfoDialog(props: {

  return (
    <>
-      <button
+      <Button
+        size="sm"
+        color="gray-white"
        className={clsx(contractDetailsButtonClassName, className)}
        onClick={() => setOpen(true)}
      >
        <DotsHorizontalIcon
-          className={clsx('h-6 w-6 flex-shrink-0')}
+          className={clsx('h-5 w-5 flex-shrink-0')}
          aria-hidden="true"
        />
-      </button>
+      </Button>

      <Modal open={open} setOpen={setOpen}>
        <Col className="gap-4 rounded bg-white p-6">
-          <Title className="!mt-0 !mb-0" text="Market info" />
+          <Title className="!mt-0 !mb-0" text="This Market" />

          <table className="table-compact table-zebra table w-full text-gray-500">
            <tbody>
--- a/web/components/contract/contract-overview.tsx
+++ b/web/components/contract/contract-overview.tsx
@ -25,11 +25,11 @@ import {
  NumericContract,
  PseudoNumericContract,
 } from 'common/contract'
-import { ContractDetails, ExtraMobileContractDetails } from './contract-details'
+import { ContractDetails } from './contract-details'
 import { NumericGraph } from './numeric-graph'

 const OverviewQuestion = (props: { text: string }) => (
-  <Linkify className="text-2xl text-indigo-700 md:text-3xl" text={props.text} />
+  <Linkify className="text-lg text-indigo-700 sm:text-2xl" text={props.text} />
 )

 const BetWidget = (props: { contract: CPMMContract }) => {
@ -73,7 +73,7 @@ const BinaryOverview = (props: { contract: BinaryContract; bets: Bet[] }) => {
  const { contract, bets } = props
  return (
    <Col className="gap-1 md:gap-2">
-      <Col className="gap-3 px-2 sm:gap-4">
+      <Col className="gap-1 px-2">
        <ContractDetails contract={contract} />
        <Row className="justify-between gap-4">
          <OverviewQuestion text={contract.question} />
@ -85,7 +85,6 @@ const BinaryOverview = (props: { contract: BinaryContract; bets: Bet[] }) => {
        </Row>
        <Row className="items-center justify-between gap-4 xl:hidden">
          <BinaryResolutionOrChance contract={contract} />
-          <ExtraMobileContractDetails contract={contract} />
          {tradingAllowed(contract) && (
            <BetWidget contract={contract as CPMMBinaryContract} />
          )}
@ -113,10 +112,6 @@ const ChoiceOverview = (props: {
      </Col>
      <Col className={'mb-1 gap-y-2'}>
        <AnswersGraph contract={contract} bets={[...bets].reverse()} />
-        <ExtraMobileContractDetails
-          contract={contract}
-          forceShowVolume={true}
-        />
      </Col>
    </Col>
  )
@ -140,7 +135,6 @@ const PseudoNumericOverview = (props: {
        </Row>
        <Row className="items-center justify-between gap-4 xl:hidden">
          <PseudoNumericResolutionOrExpectation contract={contract} />
-          <ExtraMobileContractDetails contract={contract} />
          {tradingAllowed(contract) && <BetWidget contract={contract} />}
        </Row>
      </Col>
--- a/web/components/contract/extra-contract-actions-row.tsx
+++ b/web/components/contract/extra-contract-actions-row.tsx
@ -11,38 +11,29 @@ import { FollowMarketButton } from 'web/components/follow-market-button'
 import { LikeMarketButton } from 'web/components/contract/like-market-button'
 import { ContractInfoDialog } from 'web/components/contract/contract-info-dialog'
 import { Col } from 'web/components/layout/col'
-import { withTracking } from 'web/lib/service/analytics'
-import { CreateChallengeModal } from 'web/components/challenges/create-challenge-modal'
-import { CHALLENGES_ENABLED } from 'common/challenge'
-import ChallengeIcon from 'web/lib/icons/challenge-icon'

 export function ExtraContractActionsRow(props: { contract: Contract }) {
  const { contract } = props
-  const { outcomeType, resolution } = contract
  const user = useUser()
  const [isShareOpen, setShareOpen] = useState(false)
-  const [openCreateChallengeModal, setOpenCreateChallengeModal] =
-    useState(false)
-  const showChallenge =
-    user && outcomeType === 'BINARY' && !resolution && CHALLENGES_ENABLED

  return (
-    <Row className={'mt-0.5 justify-around sm:mt-2 lg:justify-start'}>
+    <Row>
+      <FollowMarketButton contract={contract} user={user} />
+      {user?.id !== contract.creatorId && (
+        <LikeMarketButton contract={contract} user={user} />
+      )}
      <Button
-        size="lg"
+        size="sm"
        color="gray-white"
        className={'flex'}
        onClick={() => {
          setShareOpen(true)
        }}
      >
-        <Col className={'items-center sm:flex-row'}>
-          <ShareIcon
-            className={clsx('h-[24px] w-5 sm:mr-2')}
-            aria-hidden="true"
-          />
-          <span>Share</span>
-        </Col>
+        <Row>
+          <ShareIcon className={clsx('h-5 w-5')} aria-hidden="true" />
+        </Row>
        <ShareModal
          isOpen={isShareOpen}
          setOpen={setShareOpen}
@ -50,35 +41,7 @@ export function ExtraContractActionsRow(props: { contract: Contract }) {
          user={user}
        />
      </Button>
-
-      {showChallenge && (
-        <Button
-          size="lg"
-          color="gray-white"
-          className="max-w-xs self-center"
-          onClick={withTracking(
-            () => setOpenCreateChallengeModal(true),
-            'click challenge button'
-          )}
-        >
-          <Col className="items-center sm:flex-row">
-            <ChallengeIcon className="mx-auto h-[24px] w-5 text-gray-500 sm:mr-2" />
-            <span>Challenge</span>
-          </Col>
-          <CreateChallengeModal
-            isOpen={openCreateChallengeModal}
-            setOpen={setOpenCreateChallengeModal}
-            user={user}
-            contract={contract}
-          />
-        </Button>
-      )}
-
-      <FollowMarketButton contract={contract} user={user} />
-      {user?.id !== contract.creatorId && (
-        <LikeMarketButton contract={contract} user={user} />
-      )}
-      <Col className={'justify-center md:hidden'}>
+      <Col className={'justify-center'}>
        <ContractInfoDialog contract={contract} />
      </Col>
    </Row>
--- a/web/components/contract/like-market-button.tsx
+++ b/web/components/contract/like-market-button.tsx
@ -38,15 +38,16 @@ export function LikeMarketButton(props: {

  return (
    <Button
-      size={'lg'}
+      size={'sm'}
      className={'max-w-xs self-center'}
      color={'gray-white'}
      onClick={onLike}
    >
-      <Col className={'items-center sm:flex-row'}>
+      <Col className={'relative items-center sm:flex-row'}>
        <HeartIcon
          className={clsx(
-            'h-[24px] w-5 sm:mr-2',
+            'h-5 w-5 sm:h-6 sm:w-6',
+            totalTipped > 0 ? 'mr-2' : '',
            user &&
              (userLikedContractIds?.includes(contract.id) ||
                (!likes && contract.likedByUserIds?.includes(user.id)))
@ -54,7 +55,18 @@ export function LikeMarketButton(props: {
              : ''
          )}
        />
-        Tip {totalTipped > 0 ? `(${formatMoney(totalTipped)})` : ''}
+        {totalTipped > 0 && (
+          <div
+            className={clsx(
+              'bg-greyscale-6 absolute ml-3.5 mt-2 h-4 w-4 rounded-full align-middle text-white sm:mt-3 sm:h-5 sm:w-5 sm:px-1',
+              totalTipped > 99
+                ? 'text-[0.4rem] sm:text-[0.5rem]'
+                : 'sm:text-2xs text-[0.5rem]'
+            )}
+          >
+            {totalTipped}
+          </div>
+        )}
      </Col>
    </Button>
  )
--- a/web/components/follow-button.tsx
+++ b/web/components/follow-button.tsx
@ -1,4 +1,6 @@
+import { CheckCircleIcon, PlusCircleIcon } from '@heroicons/react/solid'
 import clsx from 'clsx'
+import { useEffect, useRef, useState } from 'react'
 import { useFollows } from 'web/hooks/use-follows'
 import { useUser } from 'web/hooks/use-user'
 import { follow, unfollow } from 'web/lib/firebase/users'
@ -54,18 +56,73 @@ export function FollowButton(props: {

 export function UserFollowButton(props: { userId: string; small?: boolean }) {
  const { userId, small } = props
-  const currentUser = useUser()
-  const following = useFollows(currentUser?.id)
+  const user = useUser()
+  const following = useFollows(user?.id)
  const isFollowing = following?.includes(userId)

-  if (!currentUser || currentUser.id === userId) return null
+  if (!user || user.id === userId) return null

  return (
    <FollowButton
      isFollowing={isFollowing}
-      onFollow={() => follow(currentUser.id, userId)}
-      onUnfollow={() => unfollow(currentUser.id, userId)}
+      onFollow={() => follow(user.id, userId)}
+      onUnfollow={() => unfollow(user.id, userId)}
      small={small}
    />
  )
 }
+
+export function MiniUserFollowButton(props: { userId: string }) {
+  const { userId } = props
+  const user = useUser()
+  const following = useFollows(user?.id)
+  const isFollowing = following?.includes(userId)
+  const isFirstRender = useRef(true)
+  const [justFollowed, setJustFollowed] = useState(false)
+
+  useEffect(() => {
+    if (isFirstRender.current) {
+      if (isFollowing != undefined) {
+        isFirstRender.current = false
+      }
+      return
+    }
+    if (isFollowing) {
+      setJustFollowed(true)
+      setTimeout(() => {
+        setJustFollowed(false)
+      }, 1000)
+    }
+  }, [isFollowing])
+
+  if (justFollowed) {
+    return (
+      <CheckCircleIcon
+        className={clsx(
+          'text-highlight-blue ml-3 mt-2 h-5 w-5 rounded-full bg-white sm:mr-2'
+        )}
+        aria-hidden="true"
+      />
+    )
+  }
+  if (
+    !user ||
+    user.id === userId ||
+    isFollowing ||
+    !user ||
+    isFollowing === undefined
+  )
+    return null
+  return (
+    <>
+      <button onClick={withTracking(() => follow(user.id, userId), 'follow')}>
+        <PlusCircleIcon
+          className={clsx(
+            'text-highlight-blue hover:text-hover-blue mt-2 ml-3 h-5 w-5 rounded-full bg-white sm:mr-2'
+          )}
+          aria-hidden="true"
+        />
+      </button>
+    </>
+  )
+}
--- a/web/components/follow-market-button.tsx
+++ b/web/components/follow-market-button.tsx
@ -25,7 +25,7 @@ export const FollowMarketButton = (props: {

  return (
    <Button
-      size={'lg'}
+      size={'sm'}
      color={'gray-white'}
      onClick={async () => {
        if (!user) return firebaseLogin()
@ -56,13 +56,19 @@ export const FollowMarketButton = (props: {
    >
      {followers?.includes(user?.id ?? 'nope') ? (
        <Col className={'items-center gap-x-2 sm:flex-row'}>
-          <EyeOffIcon className={clsx('h-6 w-6')} aria-hidden="true" />
-          Unwatch
+          <EyeOffIcon
+            className={clsx('h-5 w-5 sm:h-6 sm:w-6')}
+            aria-hidden="true"
+          />
+          {/* Unwatch */}
        </Col>
      ) : (
        <Col className={'items-center gap-x-2 sm:flex-row'}>
-          <EyeIcon className={clsx('h-6 w-6')} aria-hidden="true" />
-          Watch
+          <EyeIcon
+            className={clsx('h-5 w-5 sm:h-6 sm:w-6')}
+            aria-hidden="true"
+          />
+          {/* Watch */}
        </Col>
      )}
      <WatchMarketModal
--- a/web/pages/[username]/[contractSlug].tsx
+++ b/web/pages/[username]/[contractSlug].tsx
@ -37,7 +37,6 @@ import { User } from 'common/user'
 import { ContractComment } from 'common/comment'
 import { getOpenGraphProps } from 'common/contract-details'
 import { ContractDescription } from 'web/components/contract/contract-description'
-import { ExtraContractActionsRow } from 'web/components/contract/extra-contract-actions-row'
 import {
  ContractLeaderboard,
  ContractTopTrades,
@ -257,7 +256,6 @@ export function ContractPageContent(
        )}

        <ContractOverview contract={contract} bets={nonChallengeBets} />
-        <ExtraContractActionsRow contract={contract} />
        <ContractDescription className="mb-6 px-2" contract={contract} />

        {outcomeType === 'NUMERIC' && (
--- a/web/tailwind.config.js
+++ b/web/tailwind.config.js
@ -26,6 +26,8 @@ module.exports = {
        'greyscale-5': '#9191A7',
        'greyscale-6': '#66667C',
        'greyscale-7': '#111140',
+        'highlight-blue': '#5BCEFF',
+        'hover-blue': '#90DEFF',
      },
      typography: {
        quoteless: {