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constructor(pure) {
this.pure = pure;
}
past(options) {
const def = options || {};
const { years = 1, refDate } = def;
let date = new Date();
if (typeof refDate !== 'undefined') {
date = new Date(Date.parse(refDate));
}
const range = {
min: 1000,
max: years * 365 * 24 * 3600 * 1000
};
let past = date.getTime();
// some time from now to N years ago, in milliseconds
past -= this.pure.random.number(range);
date.setTime(past);
return date;
}
future(options) {
const def = options || {};
const { years = 1, refDate } = def;
let date = new Date();
if (typeof refDate !== 'undefined') {
date = new Date(Date.parse(refDate));
}
const range = {
min: 1000,
max: years * 365 * 24 * 3600 * 1000
};
let future = date.getTime();
// some time from now to N years later, in milliseconds
future += this.pure.random.number(range);
date.setTime(future);
return date;
}
between(options) {
const def = options || {};
const { from = this.pure.date.past({ years: 5 }), to = new Date() } = def;
const fromMilli = Date.parse(from);
const dateOffset = this.pure.random.number(Date.parse(to) - fromMilli);
return new Date(fromMilli + dateOffset);
}
arrayBetween(options) {
const def = options || {};
const { from, to, num = 3 } = def;
const results = [];
for (let index = 0; index < num; index += 1) {
const newDate = this.pure.unique.exec(this.pure.date.between, [{ from, to }]);
results.push(newDate);
}
results.sort((a, b) => new Date(a) - new Date(b));
return results;
}
recent(options) {
const def = options || {};
const { days = 1, refDate } = def;
let date = new Date();
if (typeof refDate !== 'undefined') {
date = new Date(Date.parse(refDate));
}
const range = {
min: 1000,
max: days * 24 * 3600 * 1000
};
let future = date.getTime();
// some time from now to N days ago, in milliseconds
future -= this.pure.random.number(range);
date.setTime(future);
return date;
}
soon(options) {
const def = options || {};
const { days = 1, refDate } = def;
let date = new Date();
if (typeof refDate !== 'undefined') {
date = new Date(Date.parse(refDate));
}
const range = {
min: 1000,
max: days * 24 * 3600 * 1000
};
let future = date.getTime();
// some time from now to N days later, in milliseconds
future += this.pure.random.number(range);
date.setTime(future);
return date;
}
// TODO: Review context parameter and write on docs
month(options) {
const def = options || {};
let type = 'wide';
if (def.abbr) {
type = 'abbr';
}
if (
def.context &&
typeof this.pure.registeredModules.date.month[`${type}Context`] !== 'undefined'
) {
type += 'Context';
}
const source = this.pure.registeredModules.date.month[type];
return this.pure.random.arrayElement(source);
}
// TODO: Review context parameter and write on docs
weekday(options) {
const def = options || {};
let type = 'wide';
if (def.abbr) {
type = 'abbr';
}
if (
def.context &&
typeof this.pure.registeredModules.date.weekday[`${type}Context`] !== 'undefined'
) {
type += 'Context';
}
const source = this.pure.registeredModules.date.weekday[type];
return this.pure.random.arrayElement(source);
}
birthDay(options) {
const def = options || {};
let { minAge = 18, maxAge = 60 } = def;
if (minAge > maxAge) {
minAge = maxAge;
maxAge = minAge;
}
const actualYear = new Date().getFullYear();
const minYear = actualYear - minAge;
const maxYear = actualYear - maxAge;
const minDateParsed = new Date(`${minYear}-12-31`);
const maxDateParsed = new Date(`${maxYear}-01-01`);
return this.pure.date.between({ from: minDateParsed, to: maxDateParsed });
}
}
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