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export default class Key {
public readonly key: string;
public readonly shift: boolean;
public readonly ctrl: boolean;
public readonly alt: boolean;
public readonly meta: boolean;
constructor({ key, shift, ctrl, alt, meta }: {
key: string;
shift: boolean;
ctrl: boolean;
alt: boolean;
meta: boolean;
}) {
this.key = key;
this.shift = shift;
this.ctrl = ctrl;
this.alt = alt;
this.meta = meta;
}
static fromMapKey(str: string): Key {
if (str.startsWith('<') && str.endsWith('>')) {
let inner = str.slice(1, -1);
let shift = inner.includes('S-');
let base = inner.slice(inner.lastIndexOf('-') + 1);
if (shift && base.length === 1) {
base = base.toUpperCase();
} else if (!shift && base.length === 1) {
base = base.toLowerCase();
}
return new Key({
key: base,
shift: shift,
ctrl: inner.includes('C-'),
alt: inner.includes('A-'),
meta: inner.includes('M-'),
});
}
return new Key({
key: str,
shift: str.toLowerCase() !== str,
ctrl: false,
alt: false,
meta: false,
});
}
equals(key: Key) {
return this.key === key.key &&
this.ctrl === key.ctrl &&
this.meta === key.meta &&
this.alt === key.alt &&
this.shift === key.shift;
}
}
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