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import { flatten } from 'lodash';
import { s__ } from '~/locale';
import AccessorUtilities from '~/lib/utils/accessor';
import { shouldDisableShortcuts } from './shortcuts_toggle';
export const LOCAL_STORAGE_KEY = 'gl-keyboard-shortcuts-customizations';
let parsedCustomizations = {};
const localStorageIsSafe = AccessorUtilities.isLocalStorageAccessSafe();
if (localStorageIsSafe) {
try {
parsedCustomizations = JSON.parse(localStorage.getItem(LOCAL_STORAGE_KEY) || '{}');
} catch (e) {
/* do nothing */
}
}
/**
* A map of command => keys of all keyboard shortcuts
* that have been customized by the user.
*
* @example
* { "globalShortcuts.togglePerformanceBar": ["p e r f"] }
*
* @type { Object.<string, string[]> }
*/
export const customizations = parsedCustomizations;
// All available commands
export const TOGGLE_PERFORMANCE_BAR = 'globalShortcuts.togglePerformanceBar';
/** All keybindings, grouped and ordered with descriptions */
export const keybindingGroups = [
{
groupId: 'globalShortcuts',
name: s__('KeyboardShortcuts|Global Shortcuts'),
keybindings: [
{
description: s__('KeyboardShortcuts|Toggle the Performance Bar'),
command: TOGGLE_PERFORMANCE_BAR,
// eslint-disable-next-line @gitlab/require-i18n-strings
defaultKeys: ['p b'],
},
],
},
]
// For each keybinding object, add a `customKeys` property populated with the
// user's custom keybindings (if the command has been customized).
// `customKeys` will be `undefined` if the command hasn't been customized.
.map(group => {
return {
...group,
keybindings: group.keybindings.map(binding => ({
...binding,
customKeys: customizations[binding.command],
})),
};
});
/**
* A simple map of command => keys. All user customizations are included in this map.
* This mapping is used to simplify `keysFor` below.
*
* @example
* { "globalShortcuts.togglePerformanceBar": ["p e r f"] }
*/
const commandToKeys = flatten(keybindingGroups.map(group => group.keybindings)).reduce(
(acc, binding) => {
acc[binding.command] = binding.customKeys || binding.defaultKeys;
return acc;
},
{},
);
/**
* Gets keyboard shortcuts associated with a command
*
* @param {string} command The command string. All command
* strings are available as imports from this file.
*
* @returns {string[]} An array of keyboard shortcut strings bound to the command
*
* @example
* import { keysFor, TOGGLE_PERFORMANCE_BAR } from '~/behaviors/shortcuts/keybindings'
*
* Mousetrap.bind(keysFor(TOGGLE_PERFORMANCE_BAR), handler);
*/
export const keysFor = command => {
if (shouldDisableShortcuts()) {
return [];
}
return commandToKeys[command];
};
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