From a5518dce3d101cb1cb65724b82079f66f20c80c8 Mon Sep 17 00:00:00 2001 From: Shin'ya Ueoka Date: Sat, 18 May 2019 21:43:56 +0900 Subject: [PATCH] Define Key and KeySequence --- src/content/InputDriver.ts | 6 +- src/content/actions/index.ts | 4 +- src/content/actions/input.ts | 4 +- src/content/client/FollowMasterClient.ts | 2 +- src/content/components/common/follow.ts | 2 +- src/content/components/common/index.ts | 12 +-- src/content/components/common/keymapper.ts | 87 ------------------- src/content/components/common/mark.ts | 6 +- src/content/controllers/KeymapController.ts | 2 +- src/content/controllers/MarkKeyController.ts | 4 +- .../utils/keys.ts => content/domains/Key.ts} | 47 +++------- src/content/domains/KeySequence.ts | 64 ++++++++++++++ src/content/reducers/input.ts | 4 +- src/content/repositories/KeymapRepository.ts | 11 +-- src/content/usecases/KeymapUseCase.ts | 35 +++----- .../domains/Key.test.ts} | 69 +++++---------- test/content/domains/KeySequence.test.ts | 72 +++++++++++++++ 17 files changed, 208 insertions(+), 223 deletions(-) delete mode 100644 src/content/components/common/keymapper.ts rename src/{shared/utils/keys.ts => content/domains/Key.ts} (61%) create mode 100644 src/content/domains/KeySequence.ts rename test/{shared/utils/keys.test.ts => content/domains/Key.test.ts} (73%) create mode 100644 test/content/domains/KeySequence.test.ts diff --git a/src/content/InputDriver.ts b/src/content/InputDriver.ts index 09648c1..cddc825 100644 --- a/src/content/InputDriver.ts +++ b/src/content/InputDriver.ts @@ -1,5 +1,5 @@ import * as dom from '../shared/utils/dom'; -import * as keys from '../shared/utils/keys'; +import Key, * as keys from './domains/Key'; const cancelKey = (e: KeyboardEvent): boolean => { return e.key === 'Escape' || e.key === '[' && e.ctrlKey; @@ -8,7 +8,7 @@ const cancelKey = (e: KeyboardEvent): boolean => { export default class InputDriver { private pressed: {[key: string]: string} = {}; - private onKeyListeners: ((key: keys.Key) => boolean)[] = []; + private onKeyListeners: ((key: Key) => boolean)[] = []; constructor(target: HTMLElement) { this.pressed = {}; @@ -19,7 +19,7 @@ export default class InputDriver { target.addEventListener('keyup', this.onKeyUp.bind(this)); } - onKey(cb: (key: keys.Key) => boolean) { + onKey(cb: (key: Key) => boolean) { this.onKeyListeners.push(cb); } diff --git a/src/content/actions/index.ts b/src/content/actions/index.ts index eb826fc..49f6484 100644 --- a/src/content/actions/index.ts +++ b/src/content/actions/index.ts @@ -1,5 +1,5 @@ import Redux from 'redux'; -import * as keyUtils from '../../shared/utils/keys'; +import Key from '../domains/Key'; // User input export const INPUT_KEY_PRESS = 'input.key.press'; @@ -25,7 +25,7 @@ export const NOOP = 'noop'; export interface InputKeyPressAction extends Redux.Action { type: typeof INPUT_KEY_PRESS; - key: keyUtils.Key; + key: Key; } export interface InputClearKeysAction extends Redux.Action { diff --git a/src/content/actions/input.ts b/src/content/actions/input.ts index 1df6452..24dbb99 100644 --- a/src/content/actions/input.ts +++ b/src/content/actions/input.ts @@ -1,7 +1,7 @@ import * as actions from './index'; -import * as keyUtils from '../../shared/utils/keys'; +import Key from '../domains/Key'; -const keyPress = (key: keyUtils.Key): actions.InputAction => { +const keyPress = (key: Key): actions.InputAction => { return { type: actions.INPUT_KEY_PRESS, key, diff --git a/src/content/client/FollowMasterClient.ts b/src/content/client/FollowMasterClient.ts index 464b52f..c841902 100644 --- a/src/content/client/FollowMasterClient.ts +++ b/src/content/client/FollowMasterClient.ts @@ -1,5 +1,5 @@ import * as messages from '../../shared/messages'; -import { Key } from '../../shared/utils/keys'; +import Key from '../domains/Key'; export default interface FollowMasterClient { startFollow(newTab: boolean, background: boolean): void; diff --git a/src/content/components/common/follow.ts b/src/content/components/common/follow.ts index e0003e3..413244e 100644 --- a/src/content/components/common/follow.ts +++ b/src/content/components/common/follow.ts @@ -1,7 +1,7 @@ import MessageListener from '../../MessageListener'; import { LinkHint, InputHint } from '../../presenters/Hint'; import * as messages from '../../../shared/messages'; -import { Key } from '../../../shared/utils/keys'; +import Key from '../../domains/Key'; import TabsClient, { TabsClientImpl } from '../../client/TabsClient'; import FollowMasterClient, { FollowMasterClientImpl } from '../../client/FollowMasterClient'; diff --git a/src/content/components/common/index.ts b/src/content/components/common/index.ts index c74020e..1aacf51 100644 --- a/src/content/components/common/index.ts +++ b/src/content/components/common/index.ts @@ -1,11 +1,11 @@ import InputDriver from './../../InputDriver'; import FollowComponent from './follow'; import MarkComponent from './mark'; -import KeymapperComponent from './keymapper'; +// import KeymapperComponent from './keymapper'; import * as messages from '../../../shared/messages'; import MessageListener from '../../MessageListener'; import * as blacklists from '../../../shared/blacklists'; -import * as keys from '../../../shared/utils/keys'; +import Key from '../../domains/Key'; import AddonEnabledUseCase from '../../usecases/AddonEnabledUseCase'; import SettingUseCase from '../../usecases/SettingUseCase'; @@ -18,11 +18,11 @@ export default class Common { const input = new InputDriver(win.document.body); const follow = new FollowComponent(); const mark = new MarkComponent(store); - const keymapper = new KeymapperComponent(store); + // const keymapper = new KeymapperComponent(store); - input.onKey((key: keys.Key) => follow.key(key)); - input.onKey((key: keys.Key) => mark.key(key)); - input.onKey((key: keys.Key) => keymapper.key(key)); + input.onKey((key: Key) => follow.key(key)); + input.onKey((key: Key) => mark.key(key)); + // input.onKey((key: Key) => keymapper.key(key)); this.reloadSettings(); diff --git a/src/content/components/common/keymapper.ts b/src/content/components/common/keymapper.ts deleted file mode 100644 index c901ffe..0000000 --- a/src/content/components/common/keymapper.ts +++ /dev/null @@ -1,87 +0,0 @@ -import * as inputActions from '../../actions/input'; -import * as operationActions from '../../actions/operation'; -import * as operations from '../../../shared/operations'; -import * as keyUtils from '../../../shared/utils/keys'; - -import AddonEnabledUseCase from '../../usecases/AddonEnabledUseCase'; -import { SettingRepositoryImpl } from '../../repositories/SettingRepository'; -import { Keymaps } from '../../../shared/Settings'; - -type KeymapEntityMap = Map; - -let addonEnabledUseCase = new AddonEnabledUseCase(); -let settingRepository = new SettingRepositoryImpl(); - -const reservedKeymaps: Keymaps = { - '': { type: operations.CANCEL }, - '': { type: operations.CANCEL }, -}; - -const mapStartsWith = ( - mapping: keyUtils.Key[], - keys: keyUtils.Key[], -): boolean => { - if (mapping.length < keys.length) { - return false; - } - for (let i = 0; i < keys.length; ++i) { - if (!keyUtils.equals(mapping[i], keys[i])) { - return false; - } - } - return true; -}; - -export default class KeymapperComponent { - private store: any; - - constructor(store: any) { - this.store = store; - } - - key(key: keyUtils.Key): boolean { - this.store.dispatch(inputActions.keyPress(key)); - - let input = this.store.getState().input; - let keymaps = this.keymapEntityMap(); - let matched = Array.from(keymaps.keys()).filter( - (mapping: keyUtils.Key[]) => { - return mapStartsWith(mapping, input.keys); - }); - if (!addonEnabledUseCase.getEnabled()) { - // available keymaps are only ADDON_ENABLE and ADDON_TOGGLE_ENABLED if - // the addon disabled - matched = matched.filter((keys) => { - let type = (keymaps.get(keys) as operations.Operation).type; - return type === operations.ADDON_ENABLE || - type === operations.ADDON_TOGGLE_ENABLED; - }); - } - if (matched.length === 0) { - this.store.dispatch(inputActions.clearKeys()); - return false; - } else if (matched.length > 1 || - matched.length === 1 && input.keys.length < matched[0].length) { - return true; - } - let operation = keymaps.get(matched[0]) as operations.Operation; - let act = operationActions.exec(operation); - this.store.dispatch(act); - this.store.dispatch(inputActions.clearKeys()); - return true; - } - - private keymapEntityMap(): KeymapEntityMap { - let keymaps = { - ...settingRepository.get().keymaps, - ...reservedKeymaps, - }; - let entries = Object.entries(keymaps).map((entry) => { - return [ - keyUtils.fromMapKeys(entry[0]), - entry[1], - ]; - }) as [keyUtils.Key[], operations.Operation][]; - return new Map(entries); - } -} diff --git a/src/content/components/common/mark.ts b/src/content/components/common/mark.ts index eec95d6..058b873 100644 --- a/src/content/components/common/mark.ts +++ b/src/content/components/common/mark.ts @@ -1,12 +1,12 @@ import * as markActions from '../../actions/mark'; import * as consoleFrames from '../..//console-frames'; -import * as keyUtils from '../../../shared/utils/keys'; +import Key from '../../domains/Key'; import MarkUseCase from '../../usecases/MarkUseCase'; let markUseCase = new MarkUseCase(); -const cancelKey = (key: keyUtils.Key): boolean => { +const cancelKey = (key: Key): boolean => { return key.key === 'Esc' || key.key === '[' && Boolean(key.ctrlKey); }; @@ -18,7 +18,7 @@ export default class MarkComponent { } // eslint-disable-next-line max-statements - key(key: keyUtils.Key) { + key(key: Key) { let { mark: markState } = this.store.getState(); if (!markState.setMode && !markState.jumpMode) { diff --git a/src/content/controllers/KeymapController.ts b/src/content/controllers/KeymapController.ts index b7a7bc2..424292c 100644 --- a/src/content/controllers/KeymapController.ts +++ b/src/content/controllers/KeymapController.ts @@ -8,7 +8,7 @@ import FocusUseCase from '../usecases/FocusUseCase'; import ClipboardUseCase from '../usecases/ClipboardUseCase'; import BackgroundClient from '../client/BackgroundClient'; import MarkKeyyUseCase from '../usecases/MarkKeyUseCase'; -import { Key } from '../../shared/utils/keys'; +import Key from '../domains/Key'; export default class KeymapController { private keymapUseCase: KeymapUseCase; diff --git a/src/content/controllers/MarkKeyController.ts b/src/content/controllers/MarkKeyController.ts index 9406fbf..395dee3 100644 --- a/src/content/controllers/MarkKeyController.ts +++ b/src/content/controllers/MarkKeyController.ts @@ -1,6 +1,6 @@ import MarkUseCase from '../usecases/MarkUseCase'; import MarkKeyyUseCase from '../usecases/MarkKeyUseCase'; -import * as keys from '../../shared/utils/keys'; +import Key from '../domains/Key'; export default class MarkKeyController { private markUseCase: MarkUseCase; @@ -15,7 +15,7 @@ export default class MarkKeyController { this.markKeyUseCase = markKeyUseCase; } - press(key: keys.Key): boolean { + press(key: Key): boolean { if (this.markKeyUseCase.isSetMode()) { this.markUseCase.set(key.key); this.markKeyUseCase.disableSetMode(); diff --git a/src/shared/utils/keys.ts b/src/content/domains/Key.ts similarity index 61% rename from src/shared/utils/keys.ts rename to src/content/domains/Key.ts index e9b0365..fbbb4bb 100644 --- a/src/shared/utils/keys.ts +++ b/src/content/domains/Key.ts @@ -1,9 +1,11 @@ -export interface Key { - key: string; - shiftKey: boolean | undefined; - ctrlKey: boolean | undefined; - altKey: boolean | undefined; - metaKey: boolean | undefined; +export default interface Key { + key: string; + shiftKey?: boolean; + ctrlKey?: boolean; + altKey?: boolean; + metaKey?: boolean; + + // eslint-disable-next-line semi } const modifiedKeyName = (name: string): string => { @@ -18,7 +20,7 @@ const modifiedKeyName = (name: string): string => { return name; }; -const fromKeyboardEvent = (e: KeyboardEvent): Key => { +export const fromKeyboardEvent = (e: KeyboardEvent): Key => { let key = modifiedKeyName(e.key); let shift = e.shiftKey; if (key.length === 1 && key.toUpperCase() === key.toLowerCase()) { @@ -36,7 +38,7 @@ const fromKeyboardEvent = (e: KeyboardEvent): Key => { }; }; -const fromMapKey = (key: string): Key => { +export const fromMapKey = (key: string): Key => { if (key.startsWith('<') && key.endsWith('>')) { let inner = key.slice(1, -1); let shift = inner.includes('S-'); @@ -63,37 +65,10 @@ const fromMapKey = (key: string): Key => { }; }; -const fromMapKeys = (keys: string): Key[] => { - const fromMapKeysRecursive = ( - remainings: string, mappedKeys: Key[], - ): Key[] => { - if (remainings.length === 0) { - return mappedKeys; - } - - let nextPos = 1; - if (remainings.startsWith('<')) { - let ltPos = remainings.indexOf('>'); - if (ltPos > 0) { - nextPos = ltPos + 1; - } - } - - return fromMapKeysRecursive( - remainings.slice(nextPos), - mappedKeys.concat([fromMapKey(remainings.slice(0, nextPos))]) - ); - }; - - return fromMapKeysRecursive(keys, []); -}; - -const equals = (e1: Key, e2: Key): boolean => { +export const equals = (e1: Key, e2: Key): boolean => { return e1.key === e2.key && e1.ctrlKey === e2.ctrlKey && e1.metaKey === e2.metaKey && e1.altKey === e2.altKey && e1.shiftKey === e2.shiftKey; }; - -export { fromKeyboardEvent, fromMapKey, fromMapKeys, equals }; diff --git a/src/content/domains/KeySequence.ts b/src/content/domains/KeySequence.ts new file mode 100644 index 0000000..6a05c2f --- /dev/null +++ b/src/content/domains/KeySequence.ts @@ -0,0 +1,64 @@ +import Key, * as keyUtils from './Key'; + +export default class KeySequence { + private keys: Key[]; + + private constructor(keys: Key[]) { + this.keys = keys; + } + + static from(keys: Key[]): KeySequence { + return new KeySequence(keys); + } + + push(key: Key): number { + return this.keys.push(key); + } + + length(): number { + return this.keys.length; + } + + startsWith(o: KeySequence): boolean { + if (this.keys.length < o.keys.length) { + return false; + } + for (let i = 0; i < o.keys.length; ++i) { + if (!keyUtils.equals(this.keys[i], o.keys[i])) { + return false; + } + } + return true; + } + + getKeyArray(): Key[] { + return this.keys; + } +} + +export const fromMapKeys = (keys: string): KeySequence => { + const fromMapKeysRecursive = ( + remainings: string, mappedKeys: Key[], + ): Key[] => { + if (remainings.length === 0) { + return mappedKeys; + } + + let nextPos = 1; + if (remainings.startsWith('<')) { + let ltPos = remainings.indexOf('>'); + if (ltPos > 0) { + nextPos = ltPos + 1; + } + } + + return fromMapKeysRecursive( + remainings.slice(nextPos), + mappedKeys.concat([keyUtils.fromMapKey(remainings.slice(0, nextPos))]) + ); + }; + + let data = fromMapKeysRecursive(keys, []); + return KeySequence.from(data); +}; + diff --git a/src/content/reducers/input.ts b/src/content/reducers/input.ts index 35b9075..800a8f0 100644 --- a/src/content/reducers/input.ts +++ b/src/content/reducers/input.ts @@ -1,8 +1,8 @@ import * as actions from '../actions'; -import * as keyUtils from '../../shared/utils/keys'; +import Key from '../domains/Key'; export interface State { - keys: keyUtils.Key[], + keys: Key[], } const defaultState: State = { diff --git a/src/content/repositories/KeymapRepository.ts b/src/content/repositories/KeymapRepository.ts index 081cc54..770ba0b 100644 --- a/src/content/repositories/KeymapRepository.ts +++ b/src/content/repositories/KeymapRepository.ts @@ -1,23 +1,24 @@ -import { Key } from '../../shared/utils/keys'; +import Key from '../domains/Key'; +import KeySequence from '../domains/KeySequence'; export default interface KeymapRepository { - enqueueKey(key: Key): Key[]; + enqueueKey(key: Key): KeySequence; clear(): void; // eslint-disable-next-line semi } -let current: Key[] = []; +let current: KeySequence = KeySequence.from([]); export class KeymapRepositoryImpl { - enqueueKey(key: Key): Key[] { + enqueueKey(key: Key): KeySequence { current.push(key); return current; } clear(): void { - current = []; + current = KeySequence.from([]); } } diff --git a/src/content/usecases/KeymapUseCase.ts b/src/content/usecases/KeymapUseCase.ts index a4f9c36..af0ad77 100644 --- a/src/content/usecases/KeymapUseCase.ts +++ b/src/content/usecases/KeymapUseCase.ts @@ -7,29 +7,16 @@ import AddonEnabledRepository, { AddonEnabledRepositoryImpl } import * as operations from '../../shared/operations'; import { Keymaps } from '../../shared/Settings'; -import * as keyUtils from '../../shared/utils/keys'; +import Key from '../domains/Key'; +import KeySequence, * as keySequenceUtils from '../domains/KeySequence'; -type KeymapEntityMap = Map; +type KeymapEntityMap = Map; const reservedKeymaps: Keymaps = { '': { type: operations.CANCEL }, '': { type: operations.CANCEL }, }; -const mapStartsWith = ( - mapping: keyUtils.Key[], - keys: keyUtils.Key[], -): boolean => { - if (mapping.length < keys.length) { - return false; - } - for (let i = 0; i < keys.length; ++i) { - if (!keyUtils.equals(mapping[i], keys[i])) { - return false; - } - } - return true; -}; export default class KeymapUseCase { private repository: KeymapRepository; @@ -48,13 +35,13 @@ export default class KeymapUseCase { this.addonEnabledRepository = addonEnabledRepository; } - nextOp(key: keyUtils.Key): operations.Operation | null { - let keys = this.repository.enqueueKey(key); + nextOp(key: Key): operations.Operation | null { + let sequence = this.repository.enqueueKey(key); let keymaps = this.keymapEntityMap(); let matched = Array.from(keymaps.keys()).filter( - (mapping: keyUtils.Key[]) => { - return mapStartsWith(mapping, keys); + (mapping: KeySequence) => { + return mapping.startsWith(sequence); }); if (!this.addonEnabledRepository.get()) { // available keymaps are only ADDON_ENABLE and ADDON_TOGGLE_ENABLED if @@ -70,7 +57,7 @@ export default class KeymapUseCase { this.repository.clear(); return null; } else if (matched.length > 1 || - matched.length === 1 && keys.length < matched[0].length) { + matched.length === 1 && sequence.length() < matched[0].length()) { // More than one operations are matched return null; } @@ -91,10 +78,10 @@ export default class KeymapUseCase { }; let entries = Object.entries(keymaps).map((entry) => { return [ - keyUtils.fromMapKeys(entry[0]), + keySequenceUtils.fromMapKeys(entry[0]), entry[1], ]; - }) as [keyUtils.Key[], operations.Operation][]; - return new Map(entries); + }) as [KeySequence, operations.Operation][]; + return new Map(entries); } } diff --git a/test/shared/utils/keys.test.ts b/test/content/domains/Key.test.ts similarity index 73% rename from test/shared/utils/keys.test.ts rename to test/content/domains/Key.test.ts index b2ad3cb..b3f9fb6 100644 --- a/test/shared/utils/keys.test.ts +++ b/test/content/domains/Key.test.ts @@ -1,11 +1,12 @@ -import * as keys from 'shared/utils/keys'; +import Key, * as keys from '../../../src/content/domains/Key'; +import { expect } from 'chai' -describe("keys util", () => { +describe("Key", () => { describe('fromKeyboardEvent', () => { it('returns from keyboard input Ctrl+X', () => { - let k = keys.fromKeyboardEvent({ - key: 'x', shiftKey: false, ctrlKey: true, altKey: false, metaKey: true - }); + let k = keys.fromKeyboardEvent(new KeyboardEvent('keydown', { + key: 'x', shiftKey: false, ctrlKey: true, altKey: false, metaKey: true, + })); expect(k.key).to.equal('x'); expect(k.shiftKey).to.be.false; expect(k.ctrlKey).to.be.true; @@ -14,9 +15,9 @@ describe("keys util", () => { }); it('returns from keyboard input Shift+Esc', () => { - let k = keys.fromKeyboardEvent({ + let k = keys.fromKeyboardEvent(new KeyboardEvent('keydown', { key: 'Escape', shiftKey: true, ctrlKey: false, altKey: false, metaKey: true - }); + })); expect(k.key).to.equal('Esc'); expect(k.shiftKey).to.be.true; expect(k.ctrlKey).to.be.false; @@ -26,9 +27,9 @@ describe("keys util", () => { it('returns from keyboard input Ctrl+$', () => { // $ required shift pressing on most keyboards - let k = keys.fromKeyboardEvent({ + let k = keys.fromKeyboardEvent(new KeyboardEvent('keydown', { key: '$', shiftKey: true, ctrlKey: true, altKey: false, metaKey: false - }); + })); expect(k.key).to.equal('$'); expect(k.shiftKey).to.be.false; expect(k.ctrlKey).to.be.true; @@ -37,9 +38,9 @@ describe("keys util", () => { }); it('returns from keyboard input Crtl+Space', () => { - let k = keys.fromKeyboardEvent({ + let k = keys.fromKeyboardEvent(new KeyboardEvent('keydown', { key: ' ', shiftKey: false, ctrlKey: true, altKey: false, metaKey: false - }); + })); expect(k.key).to.equal('Space'); expect(k.shiftKey).to.be.false; expect(k.ctrlKey).to.be.true; @@ -122,43 +123,15 @@ describe("keys util", () => { }); }); - describe('fromMapKeys', () => { - it('returns mapped keys for Shift+Esc', () => { - let keyArray = keys.fromMapKeys(''); - expect(keyArray).to.have.lengthOf(1); - expect(keyArray[0].key).to.equal('Esc'); - expect(keyArray[0].shiftKey).to.be.true; - }); - - it('returns mapped keys for ad', () => { - let keyArray = keys.fromMapKeys('ad'); - expect(keyArray).to.have.lengthOf(5); - expect(keyArray[0].key).to.equal('a'); - expect(keyArray[1].ctrlKey).to.be.true; - expect(keyArray[1].key).to.equal('b'); - expect(keyArray[2].altKey).to.be.true; - expect(keyArray[2].key).to.equal('c'); - expect(keyArray[3].key).to.equal('d'); - expect(keyArray[4].metaKey).to.be.true; - expect(keyArray[4].key).to.equal('e'); - }); - }) - describe('equals', () => { - expect(keys.equals({ - key: 'x', - ctrlKey: true, - }, { - key: 'x', - ctrlKey: true, - })).to.be.true; - - expect(keys.equals({ - key: 'X', - shiftKey: true, - }, { - key: 'x', - ctrlKey: true, - })).to.be.false; + expect(keys.equals( + { key: 'x', ctrlKey: true, }, + { key: 'x', ctrlKey: true, }, + )).to.be.true; + + expect(keys.equals( + { key: 'X', shiftKey: true, }, + { key: 'x', ctrlKey: true, }, + )).to.be.false; }); }); diff --git a/test/content/domains/KeySequence.test.ts b/test/content/domains/KeySequence.test.ts new file mode 100644 index 0000000..7387c06 --- /dev/null +++ b/test/content/domains/KeySequence.test.ts @@ -0,0 +1,72 @@ +import KeySequence, * as utils from '../../../src/content/domains/KeySequence'; +import { expect } from 'chai' + +describe("KeySequence", () => { + describe('#push', () => { + it('append a key to the sequence', () => { + let seq = KeySequence.from([]); + seq.push({ key: 'g' }); + seq.push({ key: 'u', shiftKey: true }); + + let array = seq.getKeyArray(); + expect(array[0]).to.deep.equal({ key: 'g' }); + expect(array[1]).to.deep.equal({ key: 'u', shiftKey: true }); + }) + }); + + describe('#startsWith', () => { + it('returns true if the key sequence starts with param', () => { + let seq = KeySequence.from([ + { key: 'g' }, + { key: 'u', shiftKey: true }, + ]); + + expect(seq.startsWith(KeySequence.from([ + ]))).to.be.true; + expect(seq.startsWith(KeySequence.from([ + { key: 'g' }, + ]))).to.be.true; + expect(seq.startsWith(KeySequence.from([ + { key: 'g' }, { key: 'u', shiftKey: true }, + ]))).to.be.true; + expect(seq.startsWith(KeySequence.from([ + { key: 'g' }, { key: 'u', shiftKey: true }, { key: 'x' }, + ]))).to.be.false; + expect(seq.startsWith(KeySequence.from([ + { key: 'h' }, + ]))).to.be.false; + }) + + it('returns true if the empty sequence starts with an empty sequence', () => { + let seq = KeySequence.from([]); + + expect(seq.startsWith(KeySequence.from([]))).to.be.true; + expect(seq.startsWith(KeySequence.from([ + { key: 'h' }, + ]))).to.be.false; + }) + }); + + describe('#fromMapKeys', () => { + it('returns mapped keys for Shift+Esc', () => { + let keyArray = utils.fromMapKeys('').getKeyArray(); + expect(keyArray).to.have.lengthOf(1); + expect(keyArray[0].key).to.equal('Esc'); + expect(keyArray[0].shiftKey).to.be.true; + }); + + it('returns mapped keys for ad', () => { + let keyArray = utils.fromMapKeys('ad').getKeyArray(); + expect(keyArray).to.have.lengthOf(5); + expect(keyArray[0].key).to.equal('a'); + expect(keyArray[1].ctrlKey).to.be.true; + expect(keyArray[1].key).to.equal('b'); + expect(keyArray[2].altKey).to.be.true; + expect(keyArray[2].key).to.equal('c'); + expect(keyArray[3].key).to.equal('d'); + expect(keyArray[4].metaKey).to.be.true; + expect(keyArray[4].key).to.equal('e'); + }); + }) + +});