47 lines
1.1 KiB
TypeScript
47 lines
1.1 KiB
TypeScript
import type { ComputedRef } from 'vue'
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// TODO: consider to allow combinations similar to useMagicKeys using proxy?
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// e.g. `const magicSequence = useMagicSequence()`
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// `magicSequence['Shift+Ctrl+A']`
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// `const { Ctrl_A_B } = useMagicSequence()`
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/**
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* source: inspired by https://github.com/vueuse/vueuse/issues/427#issuecomment-815619446
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* @param keys ordered list of keys making up the sequence
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*/
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export function useMagicSequence(keys: string[]): ComputedRef<boolean> {
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const magicKeys = useMagicKeys()
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const success = ref(false)
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const i = ref(0)
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let down = false
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watch(
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() => magicKeys.current,
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() => {
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if (magicKeys[keys[i.value]].value && !down) {
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down = true
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i.value += 1
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}
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else if (i.value > 0 && !magicKeys[keys[i.value - 1]].value && down) {
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down = false
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}
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else {
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i.value = 0
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down = false
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success.value = false
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}
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if (i.value >= keys.length && !down) {
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i.value = 0
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down = false
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success.value = true
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}
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},
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{
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deep: true,
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},
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)
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return computed(() => success.value)
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}
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