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@drewsonne
Drew authored and drewsonne committed Jan 5, 2020
1 parent 3b7047b commit 9dc0b6b
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256 changes: 128 additions & 128 deletions src/cr/calendar-round.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,150 +11,150 @@ const wildcard = require('../wildcard');
* let cr = new CalendarRound(4, "Ajaw", 8, "Kumk'u");
*/
class CalendarRound {
/**
*
* @param {number} tzolkin_coeff Coefficient for the 260-day cycle
* @param {string} tzolkin_day Name of the name in the 260-day cycle
* @param {number} haab_coeff Day in the Haab month
* @param {string} haab_month Name of the Haab month
*/
constructor(tzolkin_coeff, tzolkin_day, haab_coeff, haab_month) {
/**
*
* @param {number} tzolkin_coeff Coefficient for the 260-day cycle
* @param {string} tzolkin_day Name of the name in the 260-day cycle
* @param {number} haab_coeff Day in the Haab month
* @param {string} haab_month Name of the Haab month
* 260-day cycle component of the Calendar Round
* @type {Tzolkin}
*/
constructor(tzolkin_coeff, tzolkin_day, haab_coeff, haab_month) {
/**
* 260-day cycle component of the Calendar Round
* @type {Tzolkin}
*/
this.tzolkin = new tzolkin.Tzolkin(tzolkin_coeff, tzolkin_day);
/**
* Haab cycle component of the Calendar Round
* @type {Haab}
*/
this.haab = new haab.Haab(haab_coeff, haab_month);

this.validate();
}

this.tzolkin = new tzolkin.Tzolkin(tzolkin_coeff, tzolkin_day);
/**
* Validate that the Calendar Round has a correct 260-day and Haab
* configuration
* Haab cycle component of the Calendar Round
* @type {Haab}
*/
validate() {
let valid_haab_coeffs = [];
if ([
'Kaban', 'Ik\'', 'Manik\'', 'Eb',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [0, 5, 10, 15];
} else if ([
'Etz\'nab', 'Ak\'bal', 'Lamat', 'Ben',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [1, 6, 11, 16];
} else if ([
'Kawak', 'K\'an', 'Muluk', 'Ix',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [2, 7, 12, 17];
} else if ([
'Ajaw', 'Chikchan', 'Ok', 'Men',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [3, 8, 13, 18];
} else if ([
'Imix', 'Kimi', 'Chuwen', 'Kib',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [4, 9, 14, 19];
} else if ([wildcard].includes(this.tzolkin.name)) {
valid_haab_coeffs = [...Array(19).keys()];
} else {
throw `Could not allocate Tzolk'in (${this.tzolkin.name}) to permissible month coeffs.`;
}
this.haab = new haab.Haab(haab_coeff, haab_month);

valid_haab_coeffs.push(wildcard);
this.validate();
}

if (!valid_haab_coeffs.includes(this.haab.coeff)) {
throw `${this} should have Haab coeff in ${valid_haab_coeffs} for day ${this.tzolkin.name}`;
}
/**
* Validate that the Calendar Round has a correct 260-day and Haab
* configuration
*/
validate() {
let valid_haab_coeffs = [];
if ([
'Kaban', 'Ik\'', 'Manik\'', 'Eb',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [0, 5, 10, 15];
} else if ([
'Etz\'nab', 'Ak\'bal', 'Lamat', 'Ben',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [1, 6, 11, 16];
} else if ([
'Kawak', 'K\'an', 'Muluk', 'Ix',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [2, 7, 12, 17];
} else if ([
'Ajaw', 'Chikchan', 'Ok', 'Men',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [3, 8, 13, 18];
} else if ([
'Imix', 'Kimi', 'Chuwen', 'Kib',
].includes(this.tzolkin.name)) {
valid_haab_coeffs = [4, 9, 14, 19];
} else if ([wildcard].includes(this.tzolkin.name)) {
valid_haab_coeffs = [...Array(19).keys()];
} else {
throw `Could not allocate Tzolk'in (${this.tzolkin.name}) to permissible month coeffs.`;
}

/**
* Increment both the Haab and 260-day cycle to the next day in the Calendar Round
* @returns {CalendarRound}
*/
next() {
let new_cr = this.clone();
new_cr.tzolkin = this.tzolkin.next();
new_cr.haab = this.haab.next();
new_cr.validate();
return new_cr;
}
valid_haab_coeffs.push(wildcard);

/**
* Check that this CalendarRound matches another CalendarRound. If one CR has
* wildcards and the other does not, this function will return false.
* @param {CalendarRound} new_cr
* @return {Boolean}
*/
equal(new_cr) {
return this.haab.equal(new_cr.haab) &&
this.tzolkin.equal(new_cr.tzolkin);
if (!valid_haab_coeffs.includes(this.haab.coeff)) {
throw `${this} should have Haab coeff in ${valid_haab_coeffs} for day ${this.tzolkin.name}`;
}
}

/**
* Check that this Calendar Round matches another CalendarRound. If one CR has
* wildcards and the other does not, this function will return true.
* @param {CalendarRound} new_cr
* @return {boolean}
*/
match(new_cr) {
let haab_matches = this.haab.match(new_cr.haab);
let tzolkin_matches = this.tzolkin.match(new_cr.tzolkin);
return haab_matches && tzolkin_matches;
}
/**
* Increment both the Haab and 260-day cycle to the next day in the Calendar Round
* @returns {CalendarRound}
*/
next() {
let new_cr = this.clone();
new_cr.tzolkin = this.tzolkin.next();
new_cr.haab = this.haab.next();
new_cr.validate();
return new_cr;
}

/**
* Shift a CalendarRound date forward through time. Does not modify this
* object and will return a new object.
* @param {number} increment
* @return {CalendarRound}
*/
shift(increment) {
let new_cr = this.clone();
new_cr.haab = new_cr.haab.shift(increment);
new_cr.tzolkin = new_cr.tzolkin.shift(increment);
return new_cr;
}
/**
* Check that this CalendarRound matches another CalendarRound. If one CR has
* wildcards and the other does not, this function will return false.
* @param {CalendarRound} new_cr
* @return {Boolean}
*/
equal(new_cr) {
return this.haab.equal(new_cr.haab) &&
this.tzolkin.equal(new_cr.tzolkin);
}

/**
* Return a brand new object with the same configuration as this object.
* @return {CalendarRound}
*/
clone() {
return new CalendarRound(
this.tzolkin.coeff,
this.tzolkin.day,
this.haab.coeff,
this.haab.month,
);
}
/**
* Check that this Calendar Round matches another CalendarRound. If one CR has
* wildcards and the other does not, this function will return true.
* @param {CalendarRound} new_cr
* @return {boolean}
*/
match(new_cr) {
let haab_matches = this.haab.match(new_cr.haab);
let tzolkin_matches = this.tzolkin.match(new_cr.tzolkin);
return haab_matches && tzolkin_matches;
}

/**
* Return true, if this function has any wildcard portions.
* @return {boolean}
*/
is_partial() {
return (this.tzolkin.day === wildcard) ||
(this.tzolkin.coeff === wildcard) ||
(this.haab.month === wildcard) ||
(this.haab.coeff === wildcard);
}
/**
* Shift a CalendarRound date forward through time. Does not modify this
* object and will return a new object.
* @param {number} increment
* @return {CalendarRound}
*/
shift(increment) {
let new_cr = this.clone();
new_cr.haab = new_cr.haab.shift(increment);
new_cr.tzolkin = new_cr.tzolkin.shift(increment);
return new_cr;
}

/**
* Render the CalendarRound cycle date as a string
* @returns {string}
*/
toString(is_numeric) {
if (is_numeric) {
return `${this.tzolkin.toString(is_numeric)}:${this.haab.toString(
is_numeric)}`;
}
return `${this.tzolkin} ${this.haab}`;
/**
* Return a brand new object with the same configuration as this object.
* @return {CalendarRound}
*/
clone() {
return new CalendarRound(
this.tzolkin.coeff,
this.tzolkin.day,
this.haab.coeff,
this.haab.month,
);
}

/**
* Return true, if this function has any wildcard portions.
* @return {boolean}
*/
is_partial() {
return (this.tzolkin.day === wildcard) ||
(this.tzolkin.coeff === wildcard) ||
(this.haab.month === wildcard) ||
(this.haab.coeff === wildcard);
}

/**
* Render the CalendarRound cycle date as a string
* @returns {string}
*/
toString(is_numeric) {
if (is_numeric) {
return `${this.tzolkin.toString(is_numeric)}:${this.haab.toString(
is_numeric)}`;
}
return `${this.tzolkin} ${this.haab}`;
}
}

module.exports = CalendarRound;
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