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monkeeShark/locales/generateDTS.js

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import * as fs from 'node:fs';
import * as yaml from 'js-yaml';
import * as ts from 'typescript';
function createMembers(record) {
return Object.entries(record)
.map(([k, v]) => ts.factory.createPropertySignature(
undefined,
ts.factory.createStringLiteral(k),
undefined,
typeof v === 'string'
? ts.factory.createKeywordTypeNode(ts.SyntaxKind.StringKeyword)
: ts.factory.createTypeLiteralNode(createMembers(v)),
));
}
export default function generateDTS() {
const locale = yaml.load(fs.readFileSync(`${__dirname}/ja-JP.yml`, 'utf-8'));
const members = createMembers(locale);
const elements = [
ts.factory.createInterfaceDeclaration(
[ts.factory.createToken(ts.SyntaxKind.ExportKeyword)],
ts.factory.createIdentifier('Locale'),
undefined,
undefined,
members,
),
ts.factory.createVariableStatement(
[ts.factory.createToken(ts.SyntaxKind.DeclareKeyword)],
ts.factory.createVariableDeclarationList(
[ts.factory.createVariableDeclaration(
ts.factory.createIdentifier('locales'),
undefined,
ts.factory.createTypeLiteralNode([ts.factory.createIndexSignature(
undefined,
[ts.factory.createParameterDeclaration(
undefined,
undefined,
ts.factory.createIdentifier('lang'),
undefined,
ts.factory.createKeywordTypeNode(ts.SyntaxKind.StringKeyword),
undefined,
)],
ts.factory.createTypeReferenceNode(
ts.factory.createIdentifier('Locale'),
undefined,
),
)]),
undefined,
)],
ts.NodeFlags.Const | ts.NodeFlags.Ambient | ts.NodeFlags.ContextFlags,
),
),
ts.factory.createExportDefault(ts.factory.createIdentifier('locales')),
];
const printed = ts.createPrinter({
newLine: ts.NewLineKind.LineFeed,
}).printList(
ts.ListFormat.MultiLine,
ts.factory.createNodeArray(elements),
ts.createSourceFile('index.d.ts', '', ts.ScriptTarget.ESNext, true, ts.ScriptKind.TS),
);
fs.writeFileSync(`${__dirname}/index.d.ts`, `/* eslint-disable */
// This file is generated by locales/generateDTS.js
// Do not edit this file directly.
${printed}`, 'utf-8');
}