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34 lines
985 B
34 lines
985 B
/* @flow */
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import config from 'core/config'
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import { hyphenate } from 'shared/util'
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function isKeyNotMatch<T> (expect: T | Array<T>, actual: T): boolean {
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if (Array.isArray(expect)) {
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return expect.indexOf(actual) === -1
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} else {
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return expect !== actual
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}
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}
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/**
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* Runtime helper for checking keyCodes from config.
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* exposed as Vue.prototype._k
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* passing in eventKeyName as last argument separately for backwards compat
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*/
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export function checkKeyCodes (
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eventKeyCode: number,
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key: string,
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builtInKeyCode?: number | Array<number>,
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eventKeyName?: string,
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builtInKeyName?: string | Array<string>
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): ?boolean {
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const mappedKeyCode = config.keyCodes[key] || builtInKeyCode
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if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
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return isKeyNotMatch(builtInKeyName, eventKeyName)
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} else if (mappedKeyCode) {
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return isKeyNotMatch(mappedKeyCode, eventKeyCode)
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} else if (eventKeyName) {
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return hyphenate(eventKeyName) !== key
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}
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}
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