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https://github.com/AstrBotDevs/AstrBot
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67c7445d25
* fix: prevent IME enter from sending chat * fix: prevent IME enter from sending chat * refactor: clarify IME composition state handling
32 lines
968 B
JavaScript
32 lines
968 B
JavaScript
// Some IMEs emit Enter right after compositionend; treat that same-keystroke
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// window as composition so selecting a candidate does not send the message.
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const RECENT_COMPOSITION_END_THRESHOLD_MS = 100;
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/**
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* @param {KeyboardEvent} event
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* @param {boolean} compositionActive
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* @param {number | null} lastCompositionEndAt
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*/
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export function isComposingEnter(
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event,
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compositionActive,
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lastCompositionEndAt = null,
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) {
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const hasLegacyCompositionKeyCode =
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typeof event.keyCode === "number" && event.keyCode === 229;
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const isAfterRecentCompositionEnd =
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typeof event.timeStamp === "number" &&
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typeof lastCompositionEndAt === "number" &&
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event.timeStamp >= lastCompositionEndAt &&
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event.timeStamp - lastCompositionEndAt <
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RECENT_COMPOSITION_END_THRESHOLD_MS;
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return (
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event.key === "Enter" &&
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(compositionActive ||
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event.isComposing ||
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hasLegacyCompositionKeyCode ||
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isAfterRecentCompositionEnd)
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);
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}
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