overleaf/services/web/frontend/js/directives/focus.js

/* eslint-disable
    no-return-assign,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
import App from '../base'
App.directive('focusWhen', $timeout => ({
  restrict: 'A',
  link(scope, element, attr) {
    return scope.$watch(attr.focusWhen, function (value) {
      if (value) {
        return $timeout(() => element.focus())
      }
    })
  },
}))

App.directive('focusOn', $timeout => ({
  restrict: 'A',
  link(scope, element, attrs) {
    return scope.$on(attrs.focusOn, () => element.focus())
  },
}))

App.directive('selectWhen', $timeout => ({
  restrict: 'A',
  link(scope, element, attr) {
    return scope.$watch(attr.selectWhen, function (value) {
      if (value) {
        return $timeout(() => element.select())
      }
    })
  },
}))

App.directive('selectOn', $timeout => ({
  restrict: 'A',
  link(scope, element, attrs) {
    return scope.$on(attrs.selectOn, () => element.select())
  },
}))

App.directive('selectNameWhen', $timeout => ({
  restrict: 'A',
  link(scope, element, attrs) {
    return scope.$watch(attrs.selectNameWhen, function (value) {
      if (value) {
        return $timeout(() => selectName(element))
      }
    })
  },
}))

App.directive('selectNameOn', () => ({
  restrict: 'A',
  link(scope, element, attrs) {
    return scope.$on(attrs.selectNameOn, () => selectName(element))
  },
}))

App.directive('focus', $timeout => ({
  scope: {
    trigger: '@focus',
  },

  link(scope, element) {
    return scope.$watch('trigger', function (value) {
      if (value === 'true') {
        return $timeout(() => element[0].focus())
      }
    })
  },
}))

function selectName(element) {
  // Select up to last '.'. I.e. everything except the file extension
  element.focus()
  const name = element.val()
  if (element[0].setSelectionRange != null) {
    let selectionEnd = name.lastIndexOf('.')
    if (selectionEnd === -1) {
      selectionEnd = name.length
    }
    return element[0].setSelectionRange(0, selectionEnd)
  }
}