add basic consonant features

2 files changed, 417 insertions, 0 deletions

diff --git a/src/language.test.ts b/src/language.test.ts
index e9845a1..d3c6f23 100644
--- a/src/language.test.ts
+++ b/src/language.test.ts
@@ -31,3 +31,41 @@ test('correctly output basic vowels', () => {
 	})).toBe('eː');
 
 });
+
+
+test('correctly output basic consonants', () => {
+	expect(lang.consonantFeaturesToIpa({
+		place: lang.ConsonantPlace.Bilabial,
+		manner: lang.ConsonantManner.Nasal,
+		voice: true,
+	})).toBe('m');
+	expect(lang.consonantFeaturesToIpa({
+		place: lang.ConsonantPlace.Uvular,
+		manner: lang.ConsonantManner.NonSibilantFricative,
+		voice: true,
+	})).toBe('ʁ');
+	expect(lang.consonantFeaturesToIpa({
+		place: lang.ConsonantPlace.Velar,
+		manner: lang.ConsonantManner.Plosive,
+		voice: false,
+	})).toBe('k');
+});
+
+
+test('fail to output impossible consonants', () => {
+	expect(lang.consonantFeaturesToIpa({
+		place: lang.ConsonantPlace.Retroflex,
+		manner: lang.ConsonantManner.NonSibilantAffricate,
+		voice: false,
+	})).toBe('');
+	expect(lang.consonantFeaturesToIpa({
+		place: lang.ConsonantPlace.Labiodental,
+		manner: lang.ConsonantManner.Trill,
+		voice: true,
+	})).toBe('');
+	expect(lang.consonantFeaturesToIpa({
+		place: lang.ConsonantPlace.Palatal,
+		manner: lang.ConsonantManner.Approximant,
+		voice: false,
+	})).toBe('');
+});
diff --git a/src/language.ts b/src/language.ts
index 2d0f547..0721e09 100644
--- a/src/language.ts
+++ b/src/language.ts
@@ -19,6 +19,8 @@ export interface VowelFeatures {
 	long: boolean;
 	nasal: boolean;
 }
+
+// convert a set of vowel features to an IPA representation
 export function vowelFeaturesToIpa(features: VowelFeatures): string {
 	const ipa = () => {
 		switch (features.height) {
@@ -101,3 +103,380 @@ export function vowelFeaturesToIpa(features: VowelFeatures): string {
 	const vlong = features.long ? 'ː' : '';
 	return ipa() + nasal + vlong;
 }
+
+
+export enum ConsonantPlace {
+	Bilabial,
+	Labiodental,
+	Linguolabial,
+	Dental,
+	Alveolar,
+	Postalveolar,
+	Retroflex,
+	Palatal,
+	Velar,
+	Uvular,
+	Pharyngeal,
+	Glottal,
+}
+export enum ConsonantManner {
+	Nasal,
+	Plosive,
+	SibilantAffricate,
+	NonSibilantAffricate,
+	SibilantFricative,
+	NonSibilantFricative,
+	Approximant,
+	Tap,
+	Trill,
+	LateralAffricate,
+	LateralFricative,
+	LateralApproximant,
+	LateralTap,
+}
+export interface ConsonantFeatures {
+	place: ConsonantPlace;
+	manner: ConsonantManner;
+	voice: boolean;
+}
+
+
+export function consonantFeaturesToIpa(features: ConsonantFeatures): string {
+	switch (features.place) {
+		case ConsonantPlace.Bilabial:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'm' : 'm̥';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'b' : 'p';
+			case ConsonantManner.SibilantAffricate:
+			return '';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'bβ' : 'pɸ';
+			case ConsonantManner.SibilantFricative:
+			return '';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'β' : 'ɸ';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'β̞' : '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'ⱱ̟' : '';
+			case ConsonantManner.Trill:
+			return features.voice ? 'ʙ' : 'ʙ̥';
+			case ConsonantManner.LateralAffricate:
+			case ConsonantManner.LateralFricative:
+			case ConsonantManner.LateralApproximant:
+			case ConsonantManner.LateralTap:
+			return '';
+		}
+
+		case ConsonantPlace.Labiodental:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'ɱ' : 'ɱ̊';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'b̪' : 'p̪';
+			case ConsonantManner.SibilantAffricate:
+			return '';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'b̪v' : 'p̪f';
+			case ConsonantManner.SibilantFricative:
+			return '';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'v' : 'f';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'ʋ' : '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'ⱱ' : '';
+			case ConsonantManner.Trill:
+			case ConsonantManner.LateralAffricate:
+			case ConsonantManner.LateralFricative:
+			case ConsonantManner.LateralApproximant:
+			case ConsonantManner.LateralTap:
+			return '';
+		}
+
+		case ConsonantPlace.Linguolabial:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'n̼' : '';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'd̼' : 't̼';
+			case ConsonantManner.SibilantAffricate:
+			case ConsonantManner.NonSibilantAffricate:
+			case ConsonantManner.SibilantFricative:
+			return '';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ð̼' : 'θ̼';
+			case ConsonantManner.Approximant:
+			return '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'ɾ̼' : '';
+			case ConsonantManner.Trill:
+			case ConsonantManner.LateralAffricate:
+			case ConsonantManner.LateralFricative:
+			case ConsonantManner.LateralApproximant:
+			case ConsonantManner.LateralTap:
+			return '';
+		}
+
+		case ConsonantPlace.Dental:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'n' : 'n̥';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'd̪' : 't̪';
+			case ConsonantManner.SibilantAffricate:
+			return features.voice ? 'd̪z̪' : 't̪s̪';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'd̪ð' : 't̪θ';
+			case ConsonantManner.SibilantFricative:
+			return features.voice ? 'z' : 's';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ð' : 'θ';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'ð̞' : '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'ɾ' : 'ɾ̥';
+			case ConsonantManner.Trill:
+			return features.voice ? 'r' : 'r̥';
+			case ConsonantManner.LateralAffricate:
+			return features.voice ? 'dɮ' : 'tɬ';
+			case ConsonantManner.LateralFricative:
+			return features.voice ? 'ɮ' : 'ɬ';
+			case ConsonantManner.LateralApproximant:
+			return features.voice ? 'l̪' : '';
+			case ConsonantManner.LateralTap:
+			return features.voice ? 'ɺ' : 'ɺ̥';
+		}
+
+		case ConsonantPlace.Alveolar:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'n' : 'n̥';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'd' : 't';
+			case ConsonantManner.SibilantAffricate:
+			return features.voice ? 'dz' : 'ts';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'dɹ̝' : 'tɹ̝̊';
+			case ConsonantManner.SibilantFricative:
+			return features.voice ? 'z' : 's';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ð̠' : 'θ̠';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'ɹ' : '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'ɾ' : 'ɾ̥';
+			case ConsonantManner.Trill:
+			return features.voice ? 'r' : 'r̥';
+			case ConsonantManner.LateralAffricate:
+			return features.voice ? 'dɮ' : 'tɬ';
+			case ConsonantManner.LateralFricative:
+			return features.voice ? 'ɮ' : 'ɬ';
+			case ConsonantManner.LateralApproximant:
+			return features.voice ? 'l' : '';
+			case ConsonantManner.LateralTap:
+			return features.voice ? 'ɺ' : 'ɺ̥';
+		}
+
+		case ConsonantPlace.Postalveolar:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'n' : 'n̥';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'd' : 't';
+			case ConsonantManner.SibilantAffricate:
+			return features.voice ? 'd̠ʒ' : 't̠ʃ';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'd̠ɹ̠˔' : 't̠ɹ̠̊˔';
+			case ConsonantManner.SibilantFricative:
+			return features.voice ? 'ʒ' : 'ʃ';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ɹ̠˔' : 'ɹ̠̊˔';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'ɹ̠' : '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'r̠' : 'ɾ̥';
+			case ConsonantManner.Trill:
+			return features.voice ? 'r' : 'r̥';
+			case ConsonantManner.LateralAffricate:
+			return features.voice ? 'dɮ' : 'tɬ';
+			case ConsonantManner.LateralFricative:
+			return features.voice ? 'ɮ' : 'ɬ';
+			case ConsonantManner.LateralApproximant:
+			return features.voice ? 'l̠' : '';
+			case ConsonantManner.LateralTap:
+			return features.voice ? 'ɺ' : 'ɺ̥';
+		}
+
+		case ConsonantPlace.Retroflex:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'ɳ' : 'ɳ̊';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'ɖ' : 'ʈ';
+			case ConsonantManner.SibilantAffricate:
+			return features.voice ? 'dʐ' : 'tʂ';
+			case ConsonantManner.NonSibilantAffricate:
+			return '';
+			case ConsonantManner.SibilantFricative:
+			return features.voice ? 'ʐ' : 'ʂ';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ɻ˔' : 'ɻ̊˔';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'ɻ' : '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'ɽ' : 'ɽ̊';
+			case ConsonantManner.Trill:
+			return features.voice ? 'ɽr' : 'ɽ̊r̥';
+			case ConsonantManner.LateralAffricate:
+			return features.voice ? 'd𝼅' : 'tꞎ';
+			case ConsonantManner.LateralFricative:
+			return features.voice ? '𝼅' : 'ꞎ';
+			case ConsonantManner.LateralApproximant:
+			return features.voice ? 'ɭ' : '';
+			case ConsonantManner.LateralTap:
+			return features.voice ? '𝼈' : '𝼈̥';
+		}
+
+		case ConsonantPlace.Palatal:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'ɲ' : 'ɲ̊';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'ɟ' : 'c';
+			case ConsonantManner.SibilantAffricate:
+			return features.voice ? 'dʑ' : 'tɕ';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'ɟʝ' : 'cç';
+			case ConsonantManner.SibilantFricative:
+			return features.voice ? 'ʑ' : 'ɕ';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ʝ' : 'ç';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'j' : '';
+			case ConsonantManner.Tap:
+			case ConsonantManner.Trill:
+			return '';
+			case ConsonantManner.LateralAffricate:
+			return features.voice ? 'ɟʎ̝' : 'c𝼆';
+			case ConsonantManner.LateralFricative:
+			return features.voice ? 'ʎ̝' : '𝼆';
+			case ConsonantManner.LateralApproximant:
+			return features.voice ? 'ʎ' : '';
+			case ConsonantManner.LateralTap:
+			return features.voice ? 'ʎ̆' : '';
+		}
+
+		case ConsonantPlace.Velar:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'ŋ' : 'ŋ̊';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'g' : 'k';
+			case ConsonantManner.SibilantAffricate:
+			return '';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'ɡɣ' : 'kx';
+			case ConsonantManner.SibilantFricative:
+			return '';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ɣ' : 'x';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'ɰ' : '';
+			case ConsonantManner.Tap:
+			case ConsonantManner.Trill:
+			return '';
+			case ConsonantManner.LateralAffricate:
+			return features.voice ? 'ɡʟ̝' : 'k𝼄';
+			case ConsonantManner.LateralFricative:
+			return features.voice ? 'ʟ̝' : '𝼄';
+			case ConsonantManner.LateralApproximant:
+			return features.voice ? 'ʟ' : '';
+			case ConsonantManner.LateralTap:
+			return features.voice ? 'ʟ̆' : '';
+		}
+
+		case ConsonantPlace.Uvular:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return features.voice ? 'ɴ' : 'ɴ̥';
+			case ConsonantManner.Plosive:
+			return features.voice ? 'ɢ' : 'q';
+			case ConsonantManner.SibilantAffricate:
+			return '';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'ɢʁ' : 'qχ';
+			case ConsonantManner.SibilantFricative:
+			return '';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ʁ' : 'χ';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'ʁ̞' : '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'ɢ̆' : '';
+			case ConsonantManner.Trill:
+			return features.voice ? 'ʀ' : 'ʀ̥';
+			case ConsonantManner.LateralAffricate:
+			case ConsonantManner.LateralFricative:
+			return '';
+			case ConsonantManner.LateralApproximant:
+			return features.voice ? 'ʟ̠' : '';
+			case ConsonantManner.LateralTap:
+			return '';
+		}
+
+		case ConsonantPlace.Pharyngeal:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return '';
+			case ConsonantManner.Plosive:
+			return features.voice ? '' : 'ʡ';
+			case ConsonantManner.SibilantAffricate:
+			return '';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? 'ʡʢ' : 'ʡʜ';
+			case ConsonantManner.SibilantFricative:
+			return '';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ʕ' : 'ħ';
+			case ConsonantManner.Approximant:
+			return '';
+			case ConsonantManner.Tap:
+			return features.voice ? 'ʡ̆' : '';
+			case ConsonantManner.Trill:
+			return features.voice ? 'ʢ' : 'ʜ';
+			case ConsonantManner.LateralAffricate:
+			case ConsonantManner.LateralFricative:
+			case ConsonantManner.LateralApproximant:
+			case ConsonantManner.LateralTap:
+			return '';
+		}
+
+		case ConsonantPlace.Glottal:
+		switch (features.manner) {
+			case ConsonantManner.Nasal:
+			return '';
+			case ConsonantManner.Plosive:
+			return features.voice ? '' : 'ʔ';
+			case ConsonantManner.SibilantAffricate:
+			return '';
+			case ConsonantManner.NonSibilantAffricate:
+			return features.voice ? '' : 'ʔh';
+			case ConsonantManner.SibilantFricative:
+			return '';
+			case ConsonantManner.NonSibilantFricative:
+			return features.voice ? 'ɦ' : 'h';
+			case ConsonantManner.Approximant:
+			return features.voice ? 'ʔ̞' : '';
+			case ConsonantManner.Tap:
+			case ConsonantManner.Trill:
+			case ConsonantManner.LateralAffricate:
+			case ConsonantManner.LateralFricative:
+			case ConsonantManner.LateralApproximant:
+			case ConsonantManner.LateralTap:
+			return '';
+		}
+	}
+}