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-rw-r--r--ext/js/input/hotkey-util.js64
1 files changed, 50 insertions, 14 deletions
diff --git a/ext/js/input/hotkey-util.js b/ext/js/input/hotkey-util.js
index e23849e0..10328924 100644
--- a/ext/js/input/hotkey-util.js
+++ b/ext/js/input/hotkey-util.js
@@ -22,19 +22,25 @@
export class HotkeyUtil {
/**
* Creates a new instance.
- * @param {?string} os The operating system for this instance.
+ * @param {?import('environment').OperatingSystem} os The operating system for this instance.
*/
constructor(os=null) {
+ /** @type {?import('environment').OperatingSystem} */
this._os = os;
+ /** @type {string} */
this._inputSeparator = ' + ';
+ /** @type {Map<import('input').Modifier, string>} */
this._modifierKeyNames = new Map();
+ /** @type {RegExp} */
this._mouseInputNamePattern = /^mouse(\d+)$/;
+ /** @type {Map<import('input').Modifier, number>} */
this._modifierPriorities = new Map([
['meta', -4],
['ctrl', -3],
['alt', -2],
['shift', -1]
]);
+ /** @type {Intl.Collator} */
this._stringComparer = new Intl.Collator('en-US'); // Invariant locale
this._updateModifierKeyNames();
@@ -43,7 +49,7 @@ export class HotkeyUtil {
/**
* Gets the operating system for this instance.
* The operating system is used to display system-localized modifier key names.
- * @type {?string}
+ * @type {?import('environment').OperatingSystem}
*/
get os() {
return this._os;
@@ -51,7 +57,7 @@ export class HotkeyUtil {
/**
* Sets the operating system for this instance.
- * @param {?string} value The value to assign.
+ * @param {?import('environment').OperatingSystem} value The value to assign.
* Valid values are: win, mac, linux, openbsd, cros, android.
*/
set os(value) {
@@ -63,7 +69,7 @@ export class HotkeyUtil {
/**
* Gets a display string for a key and a set of modifiers.
* @param {?string} key The key code string, or `null` for no key.
- * @param {string[]} modifiers An array of modifiers.
+ * @param {import('input').Modifier[]} modifiers An array of modifiers.
* Valid values are: ctrl, alt, shift, meta, or mouseN, where N is an integer.
* @returns {string} A user-friendly string for the combination of key and modifiers.
*/
@@ -88,7 +94,7 @@ export class HotkeyUtil {
/**
* Gets a display string for a single modifier.
- * @param {string} modifier A string representing a modifier.
+ * @param {import('input').Modifier} modifier A string representing a modifier.
* Valid values are: ctrl, alt, shift, meta, or mouseN, where N is an integer.
* @returns {string} A user-friendly string for the modifier.
*/
@@ -116,9 +122,9 @@ export class HotkeyUtil {
/**
* Gets a display string for a single modifier.
- * @param {string} modifier A string representing a modifier.
+ * @param {import('input').Modifier} modifier A string representing a modifier.
* Valid values are: ctrl, alt, shift, meta, or mouseN, where N is an integer.
- * @returns {'mouse'|'key'} `'mouse'` if the modifier represents a mouse button, `'key'` otherwise.
+ * @returns {import('input').ModifierType} `'mouse'` if the modifier represents a mouse button, `'key'` otherwise.
*/
getModifierType(modifier) {
return (this._mouseInputNamePattern.test(modifier) ? 'mouse' : 'key');
@@ -126,18 +132,22 @@ export class HotkeyUtil {
/**
* Converts an extension command string into a standard input.
- * @param {string} command An extension command string.
- * @returns {{key: ?string, modifiers: string[]}} An object `{key, modifiers}`, where key is a string (or `null`) representing the key, and modifiers is an array of modifier keys.
+ * @param {string|undefined} command An extension command string.
+ * @returns {{key: ?string, modifiers: import('input').ModifierKey[]}} An object `{key, modifiers}`, where key is a string (or `null`) representing the key, and modifiers is an array of modifier keys.
*/
convertCommandToInput(command) {
let key = null;
+ /** @type {Set<import('input').ModifierKey>} */
const modifiers = new Set();
if (typeof command === 'string' && command.length > 0) {
const parts = command.split('+');
const ii = parts.length - 1;
key = this._convertCommandKeyToInputKey(parts[ii]);
for (let i = 0; i < ii; ++i) {
- modifiers.add(this._convertCommandModifierToInputModifier(parts[i]));
+ const modifier = this._convertCommandModifierToInputModifier(parts[i]);
+ if (modifier !== null) {
+ modifiers.add(modifier);
+ }
}
}
return {key, modifiers: this.sortModifiers([...modifiers])};
@@ -146,7 +156,7 @@ export class HotkeyUtil {
/**
* Gets a command string for a specified input.
* @param {?string} key The key code string, or `null` for no key.
- * @param {string[]} modifiers An array of modifier keys.
+ * @param {import('input').Modifier[]} modifiers An array of modifier keys.
* Valid values are: ctrl, alt, shift, meta.
* @returns {string} An extension command string representing the input.
*/
@@ -170,10 +180,11 @@ export class HotkeyUtil {
}
/**
+ * @template {import('input').Modifier} TModifier
* Sorts an array of modifiers.
- * @param {string[]} modifiers An array of modifiers.
+ * @param {TModifier[]} modifiers An array of modifiers.
* Valid values are: ctrl, alt, shift, meta.
- * @returns {string[]} A sorted array of modifiers. The array instance is the same as the input array.
+ * @returns {TModifier[]} A sorted array of modifiers. The array instance is the same as the input array.
*/
sortModifiers(modifiers) {
const pattern = this._mouseInputNamePattern;
@@ -181,10 +192,12 @@ export class HotkeyUtil {
const stringComparer = this._stringComparer;
const count = modifiers.length;
+ /** @type {[modifier: TModifier, isMouse: 0|1, priority: number, index: number][]} */
const modifierInfos = [];
for (let i = 0; i < count; ++i) {
const modifier = modifiers[i];
const match = pattern.exec(modifier);
+ /** @type {[modifier: TModifier, isMouse: 0|1, priority: number, index: number]} */
let info;
if (match !== null) {
info = [modifier, 1, Number.parseInt(match[1], 10), i];
@@ -219,6 +232,10 @@ export class HotkeyUtil {
// Private
+ /**
+ * @param {?import('environment').OperatingSystem} os
+ * @returns {[modifier: import('input').ModifierKey, label: string][]}
+ */
_getModifierKeyNames(os) {
switch (os) {
case 'win':
@@ -255,6 +272,9 @@ export class HotkeyUtil {
}
}
+ /**
+ * @returns {void}
+ */
_updateModifierKeyNames() {
const map = this._modifierKeyNames;
map.clear();
@@ -263,6 +283,10 @@ export class HotkeyUtil {
}
}
+ /**
+ * @param {string} key
+ * @returns {string}
+ */
_convertCommandKeyToInputKey(key) {
if (key.length === 1) {
key = `Key${key}`;
@@ -270,6 +294,10 @@ export class HotkeyUtil {
return key;
}
+ /**
+ * @param {string} modifier
+ * @returns {?import('input').ModifierKey}
+ */
_convertCommandModifierToInputModifier(modifier) {
switch (modifier) {
case 'Ctrl': return (this._os === 'mac' ? 'meta' : 'ctrl');
@@ -277,10 +305,14 @@ export class HotkeyUtil {
case 'Shift': return 'shift';
case 'MacCtrl': return 'ctrl';
case 'Command': return 'meta';
- default: return modifier;
+ default: return null;
}
}
+ /**
+ * @param {string} key
+ * @returns {string}
+ */
_convertInputKeyToCommandKey(key) {
if (key.length === 4 && key.startsWith('Key')) {
key = key.substring(3);
@@ -288,6 +320,10 @@ export class HotkeyUtil {
return key;
}
+ /**
+ * @param {import('input').Modifier} modifier
+ * @returns {string}
+ */
_convertInputModifierToCommandModifier(modifier) {
switch (modifier) {
case 'ctrl': return (this._os === 'mac' ? 'MacCtrl' : 'Ctrl');