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gurmukhi-utils

3.2.0 • Public • Published
Shabad OS

Gurmukhi Utils

General utilities for working with Gurmukhi text data. Try gurmukhi-utils in your browser.

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const {
  toAscii,
  toUnicode,
  toEnglish,
  stripEndings 
= require( 'gurmukhi-utils' )
 
const unicodeGurmukhi = 'ਸੋ ਘਰੁ ਰਾਖੁ; ਵਡਾਈ ਤੋਇ ॥੧॥ ਰਹਾਉ ॥'
const asciiGurmukhi = 'so Gru rwKu; vfweI qoie ]1] rhwau ]'
 
toAscii( unicodeGurmukhi ) // => so Gru rwKu; vfweI qoie ]1] rhwau ]
toUnicode( asciiGurmukhi ) // => ਸੋ ਘਰੁ ਰਾਖੁ; ਵਡਾਈ ਤੋਇ ॥੧॥ ਰਹਾਉ ॥
toEnglish( asciiGurmukhi ) // => so ghar raakh; vaddaaee toie |1| rahaau |
stripEndings( toEnglish( asciiGurmukhi ) ) // => so ghar raakh; vaddaaee toie

Table of Contents

Introduction

Gurmukhi Utils is a library for converting, analyzing, and testing gurmukhi strings.

Usage

Gurmukhi Utils is available as the gurmukhi-utils package on npm. Want to play around? Try it out in your browser with RunKit!

Additionally, the package is available for web use via unpkg CDN:

<script src="https://unpkg.com/gurmukhi-utils"></script>

API

countSyllables(text) ⇒ number

Calculates the number of syllables according to Sanskrit prosody, Pingala, Matra/Meter/Morae

Returns: number - An integer adding up all the 1's (laghu/light/short) and 2's (guru/heavy/long).

Param Type Description
text String The string to analyze

Example

countSyllables( 'ਪ੍ਰਭੂ ਪ੍ਰੇਮੀ ਪੜ੍ਹ ਚੜ੍ਹ ਦ੍ਵੈਤ' )
// expected output: 14

firstLetters(line) ⇒ String

Generates the first letters for a unicode Gurmukhi, Hindi transliteration, or English transliteration string. Includes any end-word vishraams, and line-end characters.

Returns: String - The first letters of each word in the provided Gurmukhi line.

Param Type Description
line String The line to generate the first letters for.

Example (Gurmukhi first letters)

firstLetters('ਸਬਦਿ ਮਰੈ. ਸੋ ਮਰਿ ਰਹੈ; ਫਿਰਿ. ਮਰੈ ਨ, ਦੂਜੀ ਵਾਰ ॥') // => ਸਮ.ਸਮਰ;ਫ.ਮਨ,ਦਵ॥

Example (Hindi first letters)

firstLetters('गुरमुखि लाधा मनमुखि गवाइआ ॥') // => गलमग॥

Example (English first letters)

firstLetters('sabad marai. so mar rahai; fir. marai na, doojee vaar |') // => sm.smr;f.mn,dv|

isGurmukhi(text, [exhaustive]) ⇒ boolean

Checks if first char in string is part of the Gurmukhi Unicode block.

Returns: boolean - True if Unicode Gurmukhi, false if other.

Param Type Description
text String The text to check.
[exhaustive] boolean If true, checks if the whole string is Unicode Gurmukhi.

Example

isGurmukhi('ਗੁਰਮੁਖੀ') // => true
isGurmukhi('gurmuKI') // => false

stripAccents(text) ⇒ String

Removes accents from ASCII/Unicode Gumrukhi letters with their base letter. Useful for generalising search queries.

Returns: String - A simplified version of the provided Gurmukhi string.

Param Type Description
text String The text to convert.

Example

stripAccents('ਜ਼ਫ਼ੈਸ਼ਸਓ') // => ਜਫੈਸਸੳ
stripAccents('Z^Svb') // => gKsvb

stripEndings(text) ⇒ String

Strips line endings from any Gurmukhi or translation string. Accepts both Unicode and ASCII input. Useful for generating accurate first letters or modifying non-Gurbani for better display. Not designed for headings or Sirlekhs.

Returns: String - A ending-less version of the text.

Param Type Description
text String The text to stip endings from.

Example (Line ending phrases)

stripEndings('ਸੋ ਘਰੁ ਰਾਖੁ; ਵਡਾਈ ਤੋਇ ॥੧॥ ਰਹਾਉ ॥') // => ਸੋ ਘਰੁ ਰਾਖੁ; ਵਡਾਈ ਤੋਇ
stripEndings('ਹੁਕਮੁ ਪਛਾਣਿ; ਤਾ ਖਸਮੈ ਮਿਲਣਾ ॥੧॥ ਰਹਾਉ ਦੂਜਾ ॥') // => ਹੁਕਮੁ ਪਛਾਣਿ; ਤਾ ਖਸਮੈ ਮਿਲਣਾ
stripEndings('ਜਨ ਨਾਨਕ. ਗੁਰਮੁਖਿ ਜਾਤਾ ਰਾਮ ॥੪॥੬॥ ਛਕਾ ੧ ॥') // => ਜਨ ਨਾਨਕ. ਗੁਰਮੁਖਿ ਜਾਤਾ ਰਾਮ

Example (English Translations)

stripEndings('O Nanak, Forever And Ever True. ||1||') // => O Nanak, Forever And Ever True.
stripEndings('lush greenery. ||1||Pause||') // => lush greenery.
stripEndings('always I live within the Khalsa. 519') // => always I live within the Khalsa.
stripEndings('without your reminiscence.(1) (3)') // => without your reminiscence.

Example (Spanish Translations)

stripEndings('ofrece su ser en sacrificio a Ti. (4-2-9)') // => ofrece su ser en sacrificio a Ti.

stripVishraams(text, options) ⇒ String

Removes the specified vishraams from a string.

Returns: String - A vishraam-less Gurmukhi string.

Param Type Description
text String The text to remove vishraams from.
options Object The vishraams to remove. Defaults to all.

Example (Text only, default options)

stripVishraams('ਸਬਦਿ ਮਰੈ. ਸੋ ਮਰਿ ਰਹੈ;') // => 'ਸਬਦਿ ਮਰੈ ਸੋ ਮਰਿ ਰਹੈ
stripVishraams('sbid mrY. so mir rhY; iPir.') // => sbid mrY so mir rhY iPir

Example (Heavy vishraams only)

stripVishraams('sbid mrY. so mir rhY; iPir.', { heavy: true }) // => sbid mrY. so mir rhY iPir.

Example (Medium vishrams only)

stripVishraams('Anhd sbd vjwey,', { medium: true }) // => Anhd sbd vjwey

Example (Light vishrams only)

stripVishraams('sbid mrY. so mir rhY; iPir.', { light: true }) // => sbid mrY so mir rhY; iPir

toAscii(text) ⇒ String

Converts Gurmukhi unicode text to ASCII, used GurmukhiAkhar font.

Returns: String - An ASCII representation of the provided unicode Gurmukhi string.

Param Type Description
text String The unicode text to convert.

Example

toAscii('ਹਮਾ ਸਾਇਲਿ ਲੁਤਫ਼ਿ ਹਕ ਪਰਵਰਸ਼ ॥') // => hmw swieil luqi& hk prvrS ]
toAscii('ਸੁ ਬੈਠਿ ਇਕੰਤ੍ਰ ॥੫੭੮॥') // => su bYiT iekMqR ]578]

toEnglish(line) ⇒ String

Transliterates a line from Unicode Gurmukhi to english. Currently supports the ,, ;, . vishraam characters.

Returns: String - The English transliteration of the provided Gurmukhi line.

Param Type Description
line String The Gurmukhi Unicode line to transliterate.

Example

toEnglish('ਹੁਕਮੀ ਹੁਕਮੁ ਚਲਾਏ ਰਾਹੁ ॥') // => hukamee hukam chalaae raahu ||

Example

toEnglish('ਭਾਂਡਾ ਭਾਉ ਅੰਮ੍ਰਿਤੁ ਤਿਤੁ ਢਾਲਿ ॥') // => bhaa(n)ddaa bhaou anmrit tit dtaal ||

toHindi(text) ⇒ String

Transliterates Unicode Gurmukhi text to Hindi (Devanagari script).

Returns: String - A Hindi transliteration of the provided Unicode Gurmukhi string.

Param Type Description
text String The Unicode Gurmukhi text to convert.

Example

toHindi('ਕੁਲ ਜਨ ਮਧੇ ਮਿਲੵੋਿ ਸਾਰਗ ਪਾਨ ਰੇ ॥') // => कुल जन मधे मिल्यो सारग पान रे ॥
toHindi('ਸੁ ਬੈਠਿ ਇਕੰਤ੍ਰ ॥੫੭੮॥') // => सु बैठ इकंत्र ॥५७८॥

toShahmukhi(text) ⇒ String

Transliterates Unicode Gurmukhi text to the Shahmukhi script.

Returns: String - A Shahmukhi transliteration of the provided Unicode Gurmukhi string.

Param Type Description
text String The Unicode Gurmukhi text to convert.

Example

toShahmukhi('ਹਮਾ ਸਾਇਲਿ ਲੁਤਫ਼ਿ ਹਕ ਪਰਵਰਸ਼ ॥') // => هما ساِال لُتف هک پرورش ۔۔
toShahmukhi('ਸੁ ਬੈਠਿ ਇਕੰਤ੍ਰ ॥੫੭੮॥') // => سُ بَےٹھ ِاکںتر ۔۔۵۷۸۔۔

toSyllabicSymbols(text) ⇒ String

Represents text in syllables according to Sanskrit prosody, Pingala, Matra/Meter/Morae

Returns: String - A syllabic representation of 1's (laghu/light/short) and 2's (guru/heavy/long).

Param Type Description
text String The string to convert

Example

toSyllabicSymbols( 'ਪ੍ਰਭੂ ਪ੍ਰੇਮੀ ਪੜ੍ਹ ਚੜ੍ਹ ਦ੍ਵੈਤ' )
// expected output: '12 22 11 11 21'

toUnicode(text) ⇒ String

Converts ASCII text used in the GurmukhiAkhar font to Unicode.

Returns: String - A unicode representation of the provided ASCII Gurmukhi string.

Param Type Description
text String The ASCII text to convert.

Example

toUnicode('kul jn mDy imil´o swrg pwn ry ]') // => ਕੁਲ ਜਨ ਮਧੇ ਮਿਲੵੋਿ ਸਾਰਗ ਪਾਨ ਰੇ ॥
toUnicode('su bYiT iekMqR ]578]') // => ਸੁ ਬੈਠਿ ਇਕੰਤ੍ਰ ॥੫੭੮॥

Community

Get updates on Shabad OS and chat with the project maintainers and community members.

  • Instagram Follow Shabad OS on Instagram
  • Twitter Follow Shabad OS on Twitter.
  • Chat Join the official Slack channel.

Contributing

There are multiple ways to contribute whether you are a user or developer. For example:

  • Submit bugs and feature requests.
  • Review documentation and make pull requests for anything from typos to new content.
  • Give feedback on the onboarding process to make it easier for others to join the project.

If you're interested in contributing to the source code of Gurmukhi Utils, then please see Contributing Guidelines.

People

The original author and current lead maintainer of Gurmukhi Utils is Harjot Singh (@harjot1singh).

"Thank you!" to all the volunteers who've already contributed to Gurmukhi Utils. Additional thanks to:

  • Preetcharan S (@NerdSingh) and Basics of Sikhi for english pronunciation guidelines
  • Dr. Gurpreet S Lehal (Punjabi University, Patiala) for his work in Gurmukhi-Hindi (Devanagri) and Gurmukhi-Shahmukhi (Urdu) transliteration

Feedback

Related Projects

Projects in the Shabad OS ecosystem of free and open source software which use the gurmukhi-utils package include:

Code of Conduct

Please note that this project is released under the Contributor Covenant. By participating in this project you agree to abide by its terms. Our intention is to signal a safe open-source community by welcoming all people to contribute, and pledging in return to value them as whole human beings and to foster an atmosphere of kindness, cooperation, and understanding.

We as members, contributors, and leaders pledge to make participation in our community a harassment-free experience for everyone, regardless of age, body size, visible or invisible disability, ethnicity, sex characteristics, gender identity and expression, level of experience, education, socio-economic status, nationality, personal appearance, race, religion, or sexual identity and orientation.

We pledge to act and interact in ways that contribute to an open, welcoming, diverse, inclusive, and healthy community.

The Contributor Covenant

License

The Shabad OS Docs repo is under v3 of the GPL. It is similar to the Golden Rule: do unto others as you would have them do unto you. In exchange for benefitting from the work completed in this repo, others must share their derivative work under v3 of the GPL.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.

Install

npm i gurmukhi-utils

DownloadsWeekly Downloads

13

Version

3.2.0

License

GPL-3.0

Unpacked Size

209 kB

Total Files

54

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