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clojure-humanize

clojure.yml

A Clojure(script) library to produce human-readable strings for numbers, dates, and more based on similar libraries in other languages

Installation

(via Clojars)

Clojars Project

Usage

numberword

Takes a number and return a full written string form. For example, 23237897 will be written as "twenty-three million two hundred and thirty-seven thousand eight hundred and ninety-seven".

user> (require '[clj-commons.humanize :as h])
nil

user> (h/numberword 3567)
"three thousand five hundred and sixty-seven"

user> (h/numberword 25223)
"twenty-five thousand two hundred and twenty-three"

user> (h/numberword 23237897)
"twenty-three million two hundred and thirty-seven thousand eight hundred and ninety-seven"

intcomma

Converts an integer to a string containing commas every three digits.

user>  (h/intcomma 1000)
"1,000"

user>  (h/intcomma 10123)
"10,123"

user>  (h/intcomma 10311)
"10,311"

user>  (h/intcomma 1000000)
"1,000,000"

intword

Converts a large integer to a friendly text representation. Works best for numbers over 1 million. For example, 1000000 becomes '1.0 million', 1200000 becomes '1.2 million' and '1200000000' becomes '1.2 billion'. Supports up to decillion (33 digits) and googol (100 digits).

user>  (h/intword 2000000000)
"2.0 billion"

user>  (h/intword 6000000000000)
"6.0 trillion"

user>  (h/intword 3500000000000000000000N)
"3.5 sextillion"

user>  (h/intword 8100000000000000000000000000000000N)
"8.1 decillion"

ordinal

Converts an integer to its ordinal as a string.

user> (h/ordinal 1)
"1st"

user>  (h/ordinal 2)
"2nd"

user>  (h/ordinal 4)
"4th"

user>  (h/ordinal 11)
"11th"

user>  (h/ordinal 111)
"111th"

filesize

Format a number of bytes as a human-readable filesize (eg. 10 kB). By default, decimal suffixes (kB, MB) are used. Passing the :binary option as true will use binary suffixes (KiB, MiB) are used.

The :format option gives more control over how the numeric part of the output filesize is created.

user>  (h/filesize 3000000 :binary false)
"3.0MB"

user>  (h/filesize 3000000000000 :binary false)
"3.0TB"

user>  (h/filesize 3000 :binary true :format "%.2f")
"2.93KiB"

user>  (h/filesize 3000000 :binary true)
"2.9MiB"

truncate

Truncate a string with suffix (ellipsis by default) if it is longer than specified length.

user> (h/truncate "abcdefghijklmnopqrstuvwxyz" 10)
"abcdefg..."

user> (h/truncate "abcdefghijklmnopqrstuvwxyz" 10 "[more]")
"abcd[more]"

oxford

Converts a list of items to a human-readable string with an optional limit.

user> (h/oxford ["apple" "orange" "mango"])
"apple, orange, and mango"

user> (h/oxford ["apple" "orange" "mango" "pear"]
                                       :maximum-display 2)
"apple, orange, and 2 others"

user> (h/oxford ["apple" "orange" "mango" "pear"]
                                       :maximum-display 2
                                       :truncate-noun "fruit")
"apple, orange, and 2 other fruits"

user> (h/oxford ["apple" "orange" "mango" "pear"]
        :maximum-display 2
        :number-format h/numberword
        :truncate-noun "fruit")
"apple, orange, and two other fruits"

pluralize-noun

Return the pluralized noun if the given number is not 1.

user (require '[clj-commons.humanize.inflect :as i])
nil

user> (i/pluralize-noun 2 "thief")
"thieves"

user> (i/pluralize-noun 3 "tomato")
"tomatoes"

user> (i/pluralize-noun 4 "roof")
"roofs"

user> (i/pluralize-noun 5 "person")
"people"

user> (i/pluralize-noun 6 "buzz")
"buzzes"

Other functions in the inflect namespace are used to extend the rules for how particular words, or particular letter patterns in words, can be pluralized.

datetime

Given a datetime or date, return a human-friendly representation of the amount of time difference, relative to the current time.

user> (require '[clj-time.core :as t])
nil

user> (h/datetime (t/plus (t/now) (t/seconds -30)))
"30 seconds ago"

user> (h/datetime (t/plus (t/now) (t/seconds 30)))
"in 30 seconds"

user> (h/datetime (t/plus (t/now) (t/years -20)))
"2 decades ago"

user> (h/datetime (t/plus (t/now) (t/years -7)))
"7 years ago"

duration

Given a duration in milliseconds, return a human-friendly representation of the amount of time passed.

user> (h/duration 2000)
"two seconds"

user> (h/duration 325100)
"five minutes, twenty-five seconds"

user> (h/duration 500)
"less than a second"

user> (h/duration 325100 {:number-format str})
=> "5 minutes, 25 seconds"

Linting

Run:

 clj -M:clj-kondo --lint src

Running Tests

JVM tests can be run with just:

clojure -X:test

For cljs, you will need node/npm in order to install karma:

npm install -g karma karma-cljs-test karma-chrome-launcher karma-firefox-launcher

Then tests can be run with:

clojure -M:cljs-test -x chrome-headless

Or -x firefox-headless.

Deployment

Check deps-deploy README for details regarding clojars credentials.

Build a snapshot jar:

clojure -T:build jar

Deploy a snapshot:

 clojure -T:build deploy 

Set :release to true for a release version (make sure the version number in build.clj is correct first):

clojure -T:build deploy :release true

TODO

  • Add other missing functions

License

Copyright 2015-2023 Thura Hlaing

Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.

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Produce human readable strings in clojure

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