26 lines
562 B
JavaScript
26 lines
562 B
JavaScript
'use strict';
|
|
|
|
export function textAtCursorMatchesToken(str, caretPosition, searchTokens) {
|
|
let word;
|
|
|
|
let left = str.slice(0, caretPosition).search(/\S+$/);
|
|
let right = str.slice(caretPosition).search(/\s/);
|
|
|
|
if (right < 0) {
|
|
word = str.slice(left);
|
|
} else {
|
|
word = str.slice(left, right + caretPosition);
|
|
}
|
|
|
|
if (!word || word.trim().length < 2 || searchTokens.indexOf(word[0]) === -1) {
|
|
return [null, null];
|
|
}
|
|
|
|
word = word.trim().toLowerCase();
|
|
|
|
if (word.length > 0) {
|
|
return [left + 1, word];
|
|
}
|
|
|
|
return [null, null];
|
|
}; |