44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
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/**
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* Arabic sentence context checkers
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*/
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import { isArabicChar, isWhiteSpace, isTashkeelArabicChar } from '../../../char';
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function arabicSentenceStartCheck(contextParams) {
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const char = contextParams.current;
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const prevChar = contextParams.get(-1);
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return (
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// ? an arabic char preceded with a non arabic char
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(isArabicChar(char) || isTashkeelArabicChar(char)) &&
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!isArabicChar(prevChar)
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);
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}
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function arabicSentenceEndCheck(contextParams) {
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const nextChar = contextParams.get(1);
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switch (true) {
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case nextChar === null:
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return true;
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case (!isArabicChar(nextChar) && !isTashkeelArabicChar(nextChar)):
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const nextIsWhitespace = isWhiteSpace(nextChar);
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if (!nextIsWhitespace) return true;
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if (nextIsWhitespace) {
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let arabicCharAhead = false;
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arabicCharAhead = (
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contextParams.lookahead.some(
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c => isArabicChar(c) || isTashkeelArabicChar(c)
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)
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);
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if (!arabicCharAhead) return true;
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}
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break;
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default:
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return false;
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}
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}
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export default {
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startCheck: arabicSentenceStartCheck,
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endCheck: arabicSentenceEndCheck
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};
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