/
format.js
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/
format.js
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/*
* Copyright 2015, Yahoo Inc.
* Copyrights licensed under the New BSD License.
* See the accompanying LICENSE file for terms.
*/
import invariant from 'invariant';
import IntlRelativeFormat from 'intl-relativeformat';
import {
dateTimeFormatPropTypes,
numberFormatPropTypes,
relativeFormatPropTypes,
pluralFormatPropTypes,
} from './types';
import {escape, filterProps} from './utils';
const DATE_TIME_FORMAT_OPTIONS = Object.keys(dateTimeFormatPropTypes);
const NUMBER_FORMAT_OPTIONS = Object.keys(numberFormatPropTypes);
const RELATIVE_FORMAT_OPTIONS = Object.keys(relativeFormatPropTypes);
const PLURAL_FORMAT_OPTIONS = Object.keys(pluralFormatPropTypes);
const RELATIVE_FORMAT_THRESHOLDS = {
second: 60, // seconds to minute
minute: 60, // minutes to hour
hour: 24, // hours to day
day: 30, // days to month
month: 12, // months to year
};
function updateRelativeFormatThresholds(newThresholds) {
const {thresholds} = IntlRelativeFormat;
({
second: thresholds.second,
minute: thresholds.minute,
hour: thresholds.hour,
day: thresholds.day,
month: thresholds.month,
} = newThresholds);
}
function getNamedFormat(formats, type, name) {
let format = formats && formats[type] && formats[type][name];
if (format) {
return format;
}
if (process.env.NODE_ENV !== 'production') {
console.error(`[React Intl] No ${type} format named: ${name}`);
}
}
export function formatDate(config, state, value, options = {}) {
const {locale, formats} = config;
const {format} = options;
let date = new Date(value);
let defaults = format && getNamedFormat(formats, 'date', format);
let filteredOptions = filterProps(
options,
DATE_TIME_FORMAT_OPTIONS,
defaults
);
try {
return state.getDateTimeFormat(locale, filteredOptions).format(date);
} catch (e) {
if (process.env.NODE_ENV !== 'production') {
console.error(`[React Intl] Error formatting date.\n${e}`);
}
}
return String(date);
}
export function formatTime(config, state, value, options = {}) {
const {locale, formats} = config;
const {format} = options;
let date = new Date(value);
let defaults = format && getNamedFormat(formats, 'time', format);
let filteredOptions = filterProps(
options,
DATE_TIME_FORMAT_OPTIONS,
defaults
);
if (
!filteredOptions.hour &&
!filteredOptions.minute &&
!filteredOptions.second
) {
// Add default formatting options if hour, minute, or second isn't defined.
filteredOptions = {...filteredOptions, hour: 'numeric', minute: 'numeric'};
}
try {
return state.getDateTimeFormat(locale, filteredOptions).format(date);
} catch (e) {
if (process.env.NODE_ENV !== 'production') {
console.error(`[React Intl] Error formatting time.\n${e}`);
}
}
return String(date);
}
export function formatRelative(config, state, value, options = {}) {
const {locale, formats} = config;
const {format} = options;
let date = new Date(value);
let now = new Date(options.now);
let defaults = format && getNamedFormat(formats, 'relative', format);
let filteredOptions = filterProps(options, RELATIVE_FORMAT_OPTIONS, defaults);
// Capture the current threshold values, then temporarily override them with
// specific values just for this render.
const oldThresholds = {...IntlRelativeFormat.thresholds};
updateRelativeFormatThresholds(RELATIVE_FORMAT_THRESHOLDS);
try {
return state.getRelativeFormat(locale, filteredOptions).format(date, {
now: isFinite(now) ? now : state.now(),
});
} catch (e) {
if (process.env.NODE_ENV !== 'production') {
console.error(`[React Intl] Error formatting relative time.\n${e}`);
}
} finally {
updateRelativeFormatThresholds(oldThresholds);
}
return String(date);
}
export function formatNumber(config, state, value, options = {}) {
const {locale, formats} = config;
const {format} = options;
let defaults = format && getNamedFormat(formats, 'number', format);
let filteredOptions = filterProps(options, NUMBER_FORMAT_OPTIONS, defaults);
try {
return state.getNumberFormat(locale, filteredOptions).format(value);
} catch (e) {
if (process.env.NODE_ENV !== 'production') {
console.error(`[React Intl] Error formatting number.\n${e}`);
}
}
return String(value);
}
export function formatPlural(config, state, value, options = {}) {
const {locale} = config;
let filteredOptions = filterProps(options, PLURAL_FORMAT_OPTIONS);
try {
return state.getPluralFormat(locale, filteredOptions).format(value);
} catch (e) {
if (process.env.NODE_ENV !== 'production') {
console.error(`[React Intl] Error formatting plural.\n${e}`);
}
}
return 'other';
}
export function formatMessage(
config,
state,
messageDescriptor = {},
values = {}
) {
const {locale, formats, messages, defaultLocale, defaultFormats} = config;
const {id, defaultMessage} = messageDescriptor;
// `id` is a required field of a Message Descriptor.
invariant(id, '[React Intl] An `id` must be provided to format a message.');
const message = messages && messages[id];
const hasValues = Object.keys(values).length > 0;
// Avoid expensive message formatting for simple messages without values. In
// development messages will always be formatted in case of missing values.
if (!hasValues && process.env.NODE_ENV === 'production') {
return message || defaultMessage || id;
}
let formattedMessage;
if (message) {
try {
let formatter = state.getMessageFormat(message, locale, formats);
formattedMessage = formatter.format(values);
} catch (e) {
if (process.env.NODE_ENV !== 'production') {
console.error(
`[React Intl] Error formatting message: "${id}" for locale: "${locale}"` +
(defaultMessage ? ', using default message as fallback.' : '') +
`\n${e}`
);
}
}
} else {
if (process.env.NODE_ENV !== 'production') {
// This prevents warnings from littering the console in development
// when no `messages` are passed into the <IntlProvider> for the
// default locale, and a default message is in the source.
if (
!defaultMessage ||
(locale && locale.toLowerCase() !== defaultLocale.toLowerCase())
) {
console.error(
`[React Intl] Missing message: "${id}" for locale: "${locale}"` +
(defaultMessage ? ', using default message as fallback.' : '')
);
}
}
}
if (!formattedMessage && defaultMessage) {
try {
let formatter = state.getMessageFormat(
defaultMessage,
defaultLocale,
defaultFormats
);
formattedMessage = formatter.format(values);
} catch (e) {
if (process.env.NODE_ENV !== 'production') {
console.error(
`[React Intl] Error formatting the default message for: "${id}"` +
`\n${e}`
);
}
}
}
if (!formattedMessage) {
if (process.env.NODE_ENV !== 'production') {
console.error(
`[React Intl] Cannot format message: "${id}", ` +
`using message ${message || defaultMessage
? 'source'
: 'id'} as fallback.`
);
}
}
return formattedMessage || message || defaultMessage || id;
}
export function formatHTMLMessage(
config,
state,
messageDescriptor,
rawValues = {}
) {
// Process all the values before they are used when formatting the ICU
// Message string. Since the formatted message might be injected via
// `innerHTML`, all String-based values need to be HTML-escaped.
let escapedValues = Object.keys(rawValues).reduce((escaped, name) => {
let value = rawValues[name];
escaped[name] = typeof value === 'string' ? escape(value) : value;
return escaped;
}, {});
return formatMessage(config, state, messageDescriptor, escapedValues);
}