chrono-node
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A natural language date parser in Javascript
78 lines • 3.04 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const AbstractParserWithWordBoundary_1 = require("../../../../common/parsers/AbstractParserWithWordBoundary");
const duration_1 = require("../../../../calculation/duration");
const constants_1 = require("../constants");
const PATTERN = new RegExp("(\\d+|[" +
Object.keys(constants_1.NUMBER).join("") +
"]+|半|几)(?:\\s*)" +
"(?:个)?" +
"(秒(?:钟)?|分钟|小时|钟|日|天|星期|礼拜|月|年)" +
"(?:(?:之|过)?后|(?:之)?内)", "i");
const NUMBER_GROUP = 1;
const UNIT_GROUP = 2;
class ZHHansDeadlineFormatParser extends AbstractParserWithWordBoundary_1.AbstractParserWithWordBoundaryChecking {
innerPattern() {
return PATTERN;
}
innerExtract(context, match) {
const result = context.createParsingResult(match.index, match[0]);
let number = parseInt(match[NUMBER_GROUP]);
if (isNaN(number)) {
number = (0, constants_1.zhStringToNumber)(match[NUMBER_GROUP]);
}
if (isNaN(number)) {
const string = match[NUMBER_GROUP];
if (string === "几") {
number = 3;
}
else if (string === "半") {
number = 0.5;
}
else {
return null;
}
}
const duration = {};
const unit = match[UNIT_GROUP];
const unitAbbr = unit[0];
if (unitAbbr.match(/[日天星礼月年]/)) {
if (unitAbbr == "日" || unitAbbr == "天") {
duration.day = number;
}
else if (unitAbbr == "星" || unitAbbr == "礼") {
duration.week = number;
}
else if (unitAbbr == "月") {
duration.month = number;
}
else if (unitAbbr == "年") {
duration.year = number;
}
const date = (0, duration_1.addDuration)(context.refDate, duration);
result.start.assign("year", date.getFullYear());
result.start.assign("month", date.getMonth() + 1);
result.start.assign("day", date.getDate());
return result;
}
if (unitAbbr == "秒") {
duration.second = number;
}
else if (unitAbbr == "分") {
duration.minute = number;
}
else if (unitAbbr == "小" || unitAbbr == "钟") {
duration.hour = number;
}
const date = (0, duration_1.addDuration)(context.refDate, duration);
result.start.imply("year", date.getFullYear());
result.start.imply("month", date.getMonth() + 1);
result.start.imply("day", date.getDate());
result.start.assign("hour", date.getHours());
result.start.assign("minute", date.getMinutes());
result.start.assign("second", date.getSeconds());
return result;
}
}
exports.default = ZHHansDeadlineFormatParser;
//# sourceMappingURL=ZHHansDeadlineFormatParser.js.map