chrono-node
Version:
A natural language date parser in Javascript
224 lines • 6.12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TIME_UNITS_NO_ABBR_PATTERN = exports.TIME_UNITS_PATTERN = exports.TIME_UNIT_PATTERN = exports.ORDINAL_NUMBER_PATTERN = exports.NUMBER_PATTERN = exports.TIME_UNIT_NO_ABBR_DICTIONARY = exports.TIME_UNIT_DICTIONARY = exports.INTEGER_WORD_DICTIONARY = exports.ORDINAL_NUMBER_DICTIONARY = exports.MONTH_DICTIONARY = exports.WEEKDAY_DICTIONARY = void 0;
exports.parseDuration = parseDuration;
exports.parseNumberPattern = parseNumberPattern;
exports.parseOrdinalNumberPattern = parseOrdinalNumberPattern;
exports.parseYear = parseYear;
const pattern_1 = require("../../utils/pattern");
const years_1 = require("../../calculation/years");
exports.WEEKDAY_DICTIONARY = {
"söndag": 0,
"sön": 0,
"so": 0,
"måndag": 1,
"mån": 1,
"må": 1,
"tisdag": 2,
"tis": 2,
"ti": 2,
"onsdag": 3,
"ons": 3,
"on": 3,
"torsdag": 4,
"tors": 4,
"to": 4,
"fredag": 5,
"fre": 5,
"fr": 5,
"lördag": 6,
"lör": 6,
"lö": 6,
};
exports.MONTH_DICTIONARY = {
"januari": 1,
"jan": 1,
"jan.": 1,
"februari": 2,
"feb": 2,
"feb.": 2,
"mars": 3,
"mar": 3,
"mar.": 3,
"april": 4,
"apr": 4,
"apr.": 4,
"maj": 5,
"juni": 6,
"jun": 6,
"jun.": 6,
"juli": 7,
"jul": 7,
"jul.": 7,
"augusti": 8,
"aug": 8,
"aug.": 8,
"september": 9,
"sep": 9,
"sep.": 9,
"sept": 9,
"oktober": 10,
"okt": 10,
"okt.": 10,
"november": 11,
"nov": 11,
"nov.": 11,
"december": 12,
"dec": 12,
"dec.": 12,
};
exports.ORDINAL_NUMBER_DICTIONARY = {
"första": 1,
"andra": 2,
"tredje": 3,
"fjärde": 4,
"femte": 5,
"sjätte": 6,
"sjunde": 7,
"åttonde": 8,
"nionde": 9,
"tionde": 10,
"elfte": 11,
"tolfte": 12,
"trettonde": 13,
"fjortonde": 14,
"femtonde": 15,
"sextonde": 16,
"sjuttonde": 17,
"artonde": 18,
"nittonde": 19,
"tjugonde": 20,
"tjugoförsta": 21,
"tjugoandra": 22,
"tjugotredje": 23,
"tjugofjärde": 24,
"tjugofemte": 25,
"tjugosjätte": 26,
"tjugosjunde": 27,
"tjugoåttonde": 28,
"tjugonionde": 29,
"trettionde": 30,
"trettioförsta": 31,
};
exports.INTEGER_WORD_DICTIONARY = {
"en": 1,
"ett": 1,
"två": 2,
"tre": 3,
"fyra": 4,
"fem": 5,
"sex": 6,
"sju": 7,
"åtta": 8,
"nio": 9,
"tio": 10,
"elva": 11,
"tolv": 12,
"tretton": 13,
"fjorton": 14,
"femton": 15,
"sexton": 16,
"sjutton": 17,
"arton": 18,
"nitton": 19,
"tjugo": 20,
"trettiо": 30,
"fyrtio": 40,
"femtio": 50,
"sextio": 60,
"sjuttio": 70,
"åttio": 80,
"nittio": 90,
"hundra": 100,
"tusen": 1000,
};
exports.TIME_UNIT_DICTIONARY = {
"sek": "second",
"sekund": "second",
"sekunder": "second",
"min": "minute",
"minut": "minute",
"minuter": "minute",
"tim": "hour",
"timme": "hour",
"timmar": "hour",
"dag": "day",
"dagar": "day",
"vecka": "week",
"veckor": "week",
"mån": "month",
"månad": "month",
"månader": "month",
"år": "year",
"kvartаl": "quarter",
"kvartal": "quarter",
};
exports.TIME_UNIT_NO_ABBR_DICTIONARY = {
"sekund": "second",
"sekunder": "second",
"minut": "minute",
"minuter": "minute",
"timme": "hour",
"timmar": "hour",
"dag": "day",
"dagar": "day",
"vecka": "week",
"veckor": "week",
"månad": "month",
"månader": "month",
"år": "year",
"kvartal": "quarter",
};
function parseDuration(timeunitText) {
const fragments = {};
let remainingText = timeunitText;
let match = SINGLE_TIME_UNIT_REGEX.exec(remainingText);
while (match) {
collectDateTimeFragment(fragments, match);
remainingText = remainingText.substring(match[0].length);
match = SINGLE_TIME_UNIT_REGEX.exec(remainingText);
}
return fragments;
}
function collectDateTimeFragment(fragments, match) {
const num = parseNumberPattern(match[1]);
const unit = exports.TIME_UNIT_DICTIONARY[match[2].toLowerCase()];
fragments[unit] = num;
}
exports.NUMBER_PATTERN = `(?:${(0, pattern_1.matchAnyPattern)(exports.INTEGER_WORD_DICTIONARY)}|\\d+)`;
exports.ORDINAL_NUMBER_PATTERN = `(?:${(0, pattern_1.matchAnyPattern)(exports.ORDINAL_NUMBER_DICTIONARY)}|\\d{1,2}(?:e|:e))`;
exports.TIME_UNIT_PATTERN = `(?:${(0, pattern_1.matchAnyPattern)(exports.TIME_UNIT_DICTIONARY)})`;
const SINGLE_TIME_UNIT_PATTERN = `(${exports.NUMBER_PATTERN})\\s{0,5}(${(0, pattern_1.matchAnyPattern)(exports.TIME_UNIT_DICTIONARY)})\\s{0,5}`;
const SINGLE_TIME_UNIT_REGEX = new RegExp(SINGLE_TIME_UNIT_PATTERN, "i");
const SINGLE_TIME_UNIT_NO_ABBR_PATTERN = `(${exports.NUMBER_PATTERN})\\s{0,5}(${(0, pattern_1.matchAnyPattern)(exports.TIME_UNIT_NO_ABBR_DICTIONARY)})\\s{0,5}`;
exports.TIME_UNITS_PATTERN = (0, pattern_1.repeatedTimeunitPattern)("", SINGLE_TIME_UNIT_PATTERN);
exports.TIME_UNITS_NO_ABBR_PATTERN = (0, pattern_1.repeatedTimeunitPattern)("", SINGLE_TIME_UNIT_NO_ABBR_PATTERN);
function parseNumberPattern(match) {
const num = match.toLowerCase();
if (exports.INTEGER_WORD_DICTIONARY[num] !== undefined) {
return exports.INTEGER_WORD_DICTIONARY[num];
}
return parseInt(num);
}
function parseOrdinalNumberPattern(match) {
const num = match.toLowerCase();
if (exports.ORDINAL_NUMBER_DICTIONARY[num] !== undefined) {
return exports.ORDINAL_NUMBER_DICTIONARY[num];
}
return parseInt(num);
}
function parseYear(match) {
if (/\d+/.test(match)) {
let yearNumber = parseInt(match);
if (yearNumber < 100) {
yearNumber = (0, years_1.findMostLikelyADYear)(yearNumber);
}
return yearNumber;
}
const num = match.toLowerCase();
if (exports.INTEGER_WORD_DICTIONARY[num] !== undefined) {
return exports.INTEGER_WORD_DICTIONARY[num];
}
return parseInt(match);
}
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