@allbin/output-helpers

output-helpers

Usage

import oh from output-helpers

Optionally use oh.config(config_object) to configure default languages and setup translation dictionaries.

Functions

oh.addDictionary

oh.addDictionary(dictionary): undefined

Add additional dictionaries for the translate function to use for lookups.

See Dictionary definition.

oh.dateToMoment

oh.dateToMoment(date, utc): Moment

Converts a javascript date to a Moment.

date <Date, required> - The input javascript date to be converted.

utc <bool, default true> - Instruct moment to use utc parsing.

oh.format

oh.format(value, options): string

value <number, required> - The value to be formatted.

options <object, default {}> - An object with optional parameters:

round <number, optional> - Equivalent to power of oh.roundTo.
ceil <number, optional> - Equivalent to power of oh.roundUpTo.
floor <number, optional> - Equivalent to power of oh.roundDownTo.
integer_padding <number, optional> - Minimum number of characters before the decimal point. Padding with zeros.
decimal_padding <number, optional> - Minimum number of characters after the decimal point. Padding with zeros.
padding <number, optional> - Ensures the total length of the output to be at least padding length.
trunc <bool, default false> - Truncates the value, returning the integer part only using Math.trunc().
grouping <bool, default false> - Groups digits before decimal point in groups of 3.

Ex: oh.format(1354.342, { round: 1, grouping: true }) > "1 350".

oh.formatDateAsString

oh.formatDateAsString(date, output_format, input_format, utc): string

Formats a given date according to output_format. Formats are specified according to Moment standard.

date <Date|string|Moment|number, required> - The date to be formatted.

output_format <string, default YYYY-MM-DD HH:mm> - The output format.

input_format <string, optional> - If input date is a string optionally a input format can be specified for Moments parser.

utc <bool, default false> - Instruct moment to use utc parsing.

oh.formatDateAsTimeString

oh.formatDateAsTimeString(date, input_format, utc): string

Formats given date as HH:mm. Equivalent to oh.formatDateAsString(date, "HH:mm").

date <Date|string|Moment|number, required> - Date to be formatted.

input_format <string, optional> - If input date is a string optionally a input format can be specified for Moments parser.

utc <bool, default true> - Instruct moment to use utc parsing.

oh.formatSecondsToMS

oh.formatSecondsToMS(value, always_include, padding, colon): string

Converts a value (seconds) to a [m]m[s]s format: 1m2s.

value <integer, required> - Number of seconds to be formatted.

always_include <"none"|"minutes"|"seconds"|"both", default "none"> - Optional specifyer for which parts to always include.
none - If not enough for a minute only returns seconds, if an exact minute the seconds will not be included.
minutes - If value not above 60 "0m" will be prepended to the seconds.
seconds - If value is exact minute "0s" will be appended after the minute.
both - Will always prepend and append "0m" and "0s" respectively as needed.

padding <bool, default false> - Toggles if values should be padded so 4 becomes 04. Both minutes and seconds will be padded. Defaults to false.

colon <bool, default false> - Changes the output format to be "mm:ss" instead of "[m]m[s]s". Will always include both minutes and seconds, always padding. Defaults to false.

oh.getCurrentConfig

oh.getCurrentConfig(): OutputHelpers config object

oh.getDateLocale

oh.getDateLocale(language): Moment locale object

Returns a Moment locale object for the given language. This is used with Moments moment.defineLocale function to add locale support for calendars etc.
NOTE: OH will automatically add all available locales to moment! You only need to use this if you are running a separate moment instance or to change the definition and re-define the locale with moment manually.

language <"sv-SE"|"en-US", defaults to configured language> - The language for which to return the locale specifications.

oh.getFallbackLang

oh.getFallbackLang(): "sv-SE" | "en-US"

Returns the currently configured fallback language used by oh.translate when primary language is not found.

oh.getLang

oh.getLang(): "sv-SE" | "en-US"

Returns the currently configured language used by oh.translate.

oh.roundDownTo

oh.roundDownTo(value, power): number

Returns value rounded down to the power.

value <number, required> - The value to be rounded.

power <number, default 0> - The power to round to.

Ex: roundDownTo(1345.341, 1) > 1340

oh.roundTo

oh.roundTo(value, ???): number

Returns value rounded to the power.

value <number, required> - The value to be rounded.

power <number, default 0> - The power to round to.

Ex: roundTo(1345.341, 1) > 1350

oh.roundUpTo

oh.roundUpTo(value, ???): number

Returns value rounded to the power.

value <number, required> - The value to be rounded.

power <number, default 0> - The power to round to.

Ex: roundUpTo(1345.341, 2) > 1400

oh.setConfig

oh.setConfig(config_options): undefined

Sets the config options. Should be an object with any of the following settings.

date_locale <"sv-SE"|"en-US", default same as *lang*> - Specifies the locale used by Moment.
fallback_language <"sv-SE"|"en-US", default "en-US"> - Fallback used by translate function if lang is not available.
lang <"sv-SE"|"en-US", default "en-US"> - Default language used by translate function.
extend_with <object, default null> - An object to extend the OH object with. Use this to attach additional dynamic functionality to OH.

oh.translate

oh.translate(key, capitalize, language, empty_on_error, dictionary): string

Looks up key in dictionary for language and returns specified value.
Will use the configured language and dictionaries unless specified.

key <string, required> - The key to look for in dictionary.

capitalize <bool, default true - Capitalizes the returned value.

language <"sv-SE"|"en-US", default to configured language> - Language to check for in dictionary.

empty_on_error <true|false, default false> - When true an empty string will be returned when the requested key or language is not found. When false the key is returned.
NOTE: Does not affect error logging.

dictionary <object, default to configured and added dictionaries> - See the oh.addDictionary() docs.

oh.translateTyped

oh.translateTyped<T>(key, capitalize, language, empty_on_error, dictionary): string

Equivalent to oh.translate but takes in a Type T with which to match the key, eg: key keyof T. If the key is not present in T it will not allow compilation.

Dictionary definition

A dictionary an object with a key for each language supported by the dictionary. Each language should be an object with signature key: string, value: string.

Optionally a prefix key can also be supplied, in which case it will be used to prefix every key in the dictionary to avoid collissions with other dictionaries keys.
NOTE: You will have to prefix all keys in your invokations of oh.translate with the same value. This can be done by wrapping the oh.translate function in a separate function which automatically adds the prefix.

Example dictionary

{
    sv-SE: {
        email: "epost",
        name: "namn",
        ...
    },
    en-US: {
        email: "email",
        name: "name",
        ...
    },
    prefix: "my-prefix"
}

Example wrapper

function translate(str) {
    return oh.translate(prefix + str);
}