chrono-node
Version:
A natural language date parser in Javascript
36 lines • 1.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const abstractRefiners_1 = require("../../../common/abstractRefiners");
const results_1 = require("../../../results");
const constants_1 = require("../constants");
const duration_1 = require("../../../calculation/duration");
function hasImpliedEarlierReferenceDate(result) {
return result.text.match(/\s+(before|from)$/i) != null;
}
function hasImpliedLaterReferenceDate(result) {
return result.text.match(/\s+(after|since)$/i) != null;
}
class ENMergeRelativeFollowByDateRefiner extends abstractRefiners_1.MergingRefiner {
patternBetween() {
return /^\s*$/i;
}
shouldMergeResults(textBetween, currentResult, nextResult) {
if (!textBetween.match(this.patternBetween())) {
return false;
}
if (!hasImpliedEarlierReferenceDate(currentResult) && !hasImpliedLaterReferenceDate(currentResult)) {
return false;
}
return !!nextResult.start.get("day") && !!nextResult.start.get("month") && !!nextResult.start.get("year");
}
mergeResults(textBetween, currentResult, nextResult) {
let duration = (0, constants_1.parseTimeUnits)(currentResult.text);
if (hasImpliedEarlierReferenceDate(currentResult)) {
duration = (0, duration_1.reverseDuration)(duration);
}
const components = results_1.ParsingComponents.createRelativeFromReference(new results_1.ReferenceWithTimezone(nextResult.start.date()), duration);
return new results_1.ParsingResult(nextResult.reference, currentResult.index, `${currentResult.text}${textBetween}${nextResult.text}`, components);
}
}
exports.default = ENMergeRelativeFollowByDateRefiner;
//# sourceMappingURL=ENMergeRelativeFollowByDateRefiner.js.map