26 lines
562 B
JavaScript
26 lines
562 B
JavaScript
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'use strict';
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export function textAtCursorMatchesToken(str, caretPosition, searchTokens) {
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let word;
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let left = str.slice(0, caretPosition).search(/\S+$/);
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let right = str.slice(caretPosition).search(/\s/);
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if (right < 0) {
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word = str.slice(left);
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} else {
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word = str.slice(left, right + caretPosition);
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}
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if (!word || word.trim().length < 3 || searchTokens.indexOf(word[0]) === -1) {
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return [null, null];
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}
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word = word.trim().toLowerCase();
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if (word.length > 0) {
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return [left + 1, word];
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}
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return [null, null];
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};
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