1 | 'use strict';
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2 |
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3 | var stringifyNumber = require('../../stringify/stringifyNumber.js');
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4 |
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5 |
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6 | function parseSexagesimal(str, asBigInt) {
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7 | const sign = str[0];
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8 | const parts = sign === '-' || sign === '+' ? str.substring(1) : str;
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9 | const num = (n) => asBigInt ? BigInt(n) : Number(n);
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10 | const res = parts
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11 | .replace(/_/g, '')
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12 | .split(':')
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13 | .reduce((res, p) => res * num(60) + num(p), num(0));
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14 | return (sign === '-' ? num(-1) * res : res);
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15 | }
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16 |
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17 |
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18 |
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19 |
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20 |
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21 | function stringifySexagesimal(node) {
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22 | let { value } = node;
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23 | let num = (n) => n;
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24 | if (typeof value === 'bigint')
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25 | num = n => BigInt(n);
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26 | else if (isNaN(value) || !isFinite(value))
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27 | return stringifyNumber.stringifyNumber(node);
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28 | let sign = '';
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29 | if (value < 0) {
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30 | sign = '-';
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31 | value *= num(-1);
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32 | }
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33 | const _60 = num(60);
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34 | const parts = [value % _60];
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35 | if (value < 60) {
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36 | parts.unshift(0);
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37 | }
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38 | else {
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39 | value = (value - parts[0]) / _60;
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40 | parts.unshift(value % _60);
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41 | if (value >= 60) {
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42 | value = (value - parts[0]) / _60;
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43 | parts.unshift(value);
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44 | }
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45 | }
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46 | return (sign +
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47 | parts
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48 | .map(n => String(n).padStart(2, '0'))
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49 | .join(':')
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50 | .replace(/000000\d*$/, '')
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51 | );
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52 | }
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53 | const intTime = {
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54 | identify: value => typeof value === 'bigint' || Number.isInteger(value),
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55 | default: true,
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56 | tag: 'tag:yaml.org,2002:int',
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57 | format: 'TIME',
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58 | test: /^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+$/,
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59 | resolve: (str, _onError, { intAsBigInt }) => parseSexagesimal(str, intAsBigInt),
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60 | stringify: stringifySexagesimal
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61 | };
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62 | const floatTime = {
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63 | identify: value => typeof value === 'number',
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64 | default: true,
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65 | tag: 'tag:yaml.org,2002:float',
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66 | format: 'TIME',
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67 | test: /^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\.[0-9_]*$/,
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68 | resolve: str => parseSexagesimal(str, false),
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69 | stringify: stringifySexagesimal
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70 | };
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71 | const timestamp = {
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72 | identify: value => value instanceof Date,
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73 | default: true,
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74 | tag: 'tag:yaml.org,2002:timestamp',
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75 |
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76 |
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77 |
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78 | test: RegExp('^([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})' +
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79 | '(?:' +
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80 | '(?:t|T|[ \\t]+)' +
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81 | '([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2}(\\.[0-9]+)?)' +
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82 | '(?:[ \\t]*(Z|[-+][012]?[0-9](?::[0-9]{2})?))?' +
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83 | ')?$'),
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84 | resolve(str) {
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85 | const match = str.match(timestamp.test);
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86 | if (!match)
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87 | throw new Error('!!timestamp expects a date, starting with yyyy-mm-dd');
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88 | const [, year, month, day, hour, minute, second] = match.map(Number);
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89 | const millisec = match[7] ? Number((match[7] + '00').substr(1, 3)) : 0;
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90 | let date = Date.UTC(year, month - 1, day, hour || 0, minute || 0, second || 0, millisec);
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91 | const tz = match[8];
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92 | if (tz && tz !== 'Z') {
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93 | let d = parseSexagesimal(tz, false);
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94 | if (Math.abs(d) < 30)
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95 | d *= 60;
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96 | date -= 60000 * d;
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97 | }
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98 | return new Date(date);
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99 | },
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100 | stringify: ({ value }) => value.toISOString().replace(/((T00:00)?:00)?\.000Z$/, '')
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101 | };
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102 |
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103 | exports.floatTime = floatTime;
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104 | exports.intTime = intTime;
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105 | exports.timestamp = timestamp;
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