feat: remove cldr dependency due to excessive size

See papandreou/node-cldr#99

package.json

@@ -20,31 +20,30 @@
   },
   "dependencies": {
     "cartesian": "^1.0.1",
-    "cldr": "^5.4.1",
     "moment": "^2.24.0",
     "moment-timezone": "^0.5.26",
-    "roarr": "^2.14.0"
+    "roarr": "^2.14.1"
   },
   "description": "Extracts date from an arbitrary text input.",
   "devDependencies": {
-    "@babel/cli": "^7.5.5",
-    "@babel/core": "^7.5.5",
-    "@babel/node": "^7.5.5",
+    "@babel/cli": "^7.6.0",
+    "@babel/core": "^7.6.0",
+    "@babel/node": "^7.6.1",
     "@babel/plugin-transform-flow-strip-types": "^7.4.4",
-    "@babel/preset-env": "^7.5.5",
-    "@babel/register": "^7.5.5",
-    "ava": "^2.2.0",
+    "@babel/preset-env": "^7.6.0",
+    "@babel/register": "^7.6.0",
+    "ava": "^2.3.0",
     "babel-plugin-istanbul": "^5.2.0",
     "coveralls": "^3.0.6",
-    "eslint": "^6.1.0",
-    "eslint-config-canonical": "^17.3.4",
-    "flow-bin": "^0.105.2",
-    "flow-copy-source": "^2.0.7",
+    "eslint": "^6.3.0",
+    "eslint-config-canonical": "^17.7.0",
+    "flow-bin": "^0.107.0",
+    "flow-copy-source": "^2.0.8",
     "gitdown": "^3.1.1",
-    "husky": "^3.0.3",
+    "husky": "^3.0.5",
     "nyc": "^14.1.1",
-    "semantic-release": "^15.13.21",
-    "sinon": "^7.4.1"
+    "semantic-release": "^15.13.24",
+    "sinon": "^7.4.2"
   },
   "engines": {
     "node": ">6"

src/build.js

@@ -0,0 +1,24 @@
+#!/usr/bin/env node
+
+/* eslint-disable import/no-commonjs, import/no-extraneous-dependencies, quote-props */
+
+// Usage: `npm i cldr && node ./src/build && npm uninstall cldr`
+// @see https://github.com/papandreou/node-cldr/issues/99
+
+const fs = require('fs');
+const path = require('path');
+const cldr = require('cldr');
+
+const dayNames = {};
+
+for (const localeId of cldr.localeIds) {
+  const dictionary = cldr.extractFields(localeId);
+
+  dayNames[localeId] = {
+    '-1': dictionary.day.relative['-1'],
+    '0': dictionary.day.relative['0'],
+    '1': dictionary.day.relative['1'],
+  };
+}
+
+fs.writeFileSync(path.resolve(__dirname, 'locale.json'), JSON.stringify(dayNames));

src/extractDate.js

@@ -3,7 +3,7 @@
 /* eslint-disable no-continue, no-negated-condition */
 
 import moment from 'moment-timezone';
-import cldr from 'cldr';
+import dictionary from './dictionary.json';
 import createMovingChunks from './createMovingChunks';
 import extractRelativeDate from './extractRelativeDate';
 import createFormats from './createFormats';
@@ -37,7 +37,7 @@ export default (input: string, userConfiguration: UserConfigurationType = defaul
     ...userConfiguration,
   };
 
-  if (configuration.locale && !cldr.localeIds.includes(configuration.locale)) {
+  if (configuration.locale && !dictionary[configuration.locale]) {
     throw new Error('No translation available for the target locale.');
   }
 

src/extractRelativeDate.js

@@ -1,32 +1,32 @@
 // @flow
 
 import moment from 'moment-timezone';
-import cldr from 'cldr';
+import dictionary from './dictionary.json';
 
 export default (subject: string, locale: string, timezone: string): ?string => {
-  if (!cldr.localeIds.includes(locale)) {
+  const translation = dictionary[locale];
+
+  if (!translation) {
     throw new Error('No translation available for the target locale.');
   }
 
   if (!moment.tz.zone(timezone)) {
     throw new Error('Unrecognized timezone.');
   }
 
-  const dictionary = cldr.extractFields(locale);
-
   const normalizedSubject = subject.toLowerCase();
 
   const now = moment();
 
-  if (normalizedSubject === dictionary.day.relative['-1']) {
+  if (normalizedSubject === translation['-1']) {
     return now.subtract(1, 'day').format('YYYY-MM-DD');
   }
 
-  if (normalizedSubject === dictionary.day.relative['0']) {
+  if (normalizedSubject === translation['0']) {
     return now.format('YYYY-MM-DD');
   }
 
-  if (normalizedSubject === dictionary.day.relative['1']) {
+  if (normalizedSubject === translation['1']) {
     return now.add(1, 'day').format('YYYY-MM-DD');
   }