@netgrif/components-core
Version:
Netgrif Application engine frontend core Angular library
29 lines • 4.02 kB
JavaScript
import { Operator } from './operator';
import { Query } from '../query/query';
import { Operators } from './operators';
/**
* A fuzzy search operator for string fields.
*
* Behaves differently for strings with spaces and without.
* With spaces searches for matches containing the tokenized strings.
* Without spaces searches for strings within the default edit distance.
* See [docs]{@link https://www.elastic.co/guide/en/elasticsearch/reference/6.6/query-dsl-query-string-query.html#_fuzziness}
* for more information.
*/
export class Like extends Operator {
constructor() {
super(1);
}
createQuery(elasticKeywords, args) {
this.checkArgumentsCount(args);
const escaped = Operator.escapeInput(args[0]);
return Operator.forEachKeyword(elasticKeywords, keyword => escaped.wasEscaped ? new Query(`(${keyword}:${escaped.value})`) : new Query(`(${keyword}:${escaped.value}~)`));
}
getOperatorNameTemplate() {
return ['search.operator.like', Operator.INPUT_PLACEHOLDER];
}
serialize() {
return Operators.LIKE;
}
}
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