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require('./filtered_search_token_keys');
(() => {
class FilteredSearchTokenizer {
static processTokens(input) {
const allowedKeys = gl.FilteredSearchTokenKeys.get().map(i => i.key);
// Regex extracts `(token):(symbol)(value)`
// Values that start with a double quote must end in a double quote (same for single)
const tokenRegex = new RegExp(`(${allowedKeys.join('|')}):([~%@]?)(?:('[^']*'{0,1})|("[^"]*"{0,1})|(\\S+))`, 'g');
const tokens = [];
const tokenIndexes = []; // stores key+value for simple search
let lastToken = null;
const searchToken = input.replace(tokenRegex, (match, key, symbol, v1, v2, v3) => {
let tokenValue = v1 || v2 || v3;
let tokenSymbol = symbol;
let tokenIndex = '';
if (tokenValue === '~' || tokenValue === '%' || tokenValue === '@') {
tokenSymbol = tokenValue;
tokenValue = '';
}
tokenIndex = `${key}:${tokenValue}`;
// Prevent adding duplicates
if (tokenIndexes.indexOf(tokenIndex) === -1) {
tokenIndexes.push(tokenIndex);
tokens.push({
key,
value: tokenValue || '',
symbol: tokenSymbol || '',
});
}
return '';
}).replace(/\s{2,}/g, ' ').trim() || '';
if (tokens.length > 0) {
const last = tokens[tokens.length - 1];
const lastString = `${last.key}:${last.symbol}${last.value}`;
lastToken = input.lastIndexOf(lastString) ===
input.length - lastString.length ? last : searchToken;
} else {
lastToken = searchToken;
}
return {
tokens,
lastToken,
searchToken,
};
}
}
window.gl = window.gl || {};
gl.FilteredSearchTokenizer = FilteredSearchTokenizer;
})();
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