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Generate typescript i18n types

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shilangyu 2021-03-01 21:00:43 +01:00
parent 1916483ce9
commit 19c0223b79
1 changed files with 47 additions and 10 deletions
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57
generate_translations.js
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@ -1,27 +1,64 @@
fs = require('fs'); const fs = require("fs");
let translationDir = 'lemmy-translations/translations/'; const translationDir = "lemmy-translations/translations/";
let outDir = 'src/shared/translations/'; const outDir = "src/shared/translations/";
fs.mkdirSync(outDir, { recursive: true }); fs.mkdirSync(outDir, { recursive: true });
fs.readdir(translationDir, (_err, files) => { fs.readdir(translationDir, (_err, files) => {
files.forEach(filename => { files.forEach(filename => {
const lang = filename.split('.')[0]; const lang = filename.split(".")[0];
try { try {
const json = JSON.parse( const json = JSON.parse(
fs.readFileSync(translationDir + filename, 'utf8') fs.readFileSync(translationDir + filename, "utf8")
); );
var data = `export const ${lang} = {\n translation: {`; let data = `export const ${lang} = {\n translation: {`;
for (var key in json) { for (const key in json) {
if (key in json) { if (key in json) {
const value = json[key].replace(/"/g, '\\"'); const value = json[key].replace(/"/g, '\\"');
data = `${data}\n ${key}: "${value}",`; data += `\n ${key}: "${value}",`;
} }
} }
data += '\n },\n};'; data += "\n },\n};";
const target = outDir + lang + '.ts'; const target = outDir + lang + ".ts";
fs.writeFileSync(target, data); fs.writeFileSync(target, data);
} catch (err) { } catch (err) {
console.error(err); console.error(err);
} }
}); });
}); });
// generate types for i18n keys
const baseLanguage = "en";
fs.readFile(`${translationDir}${baseLanguage}.json`, "utf8", (_, fileStr) => {
const keys = Object.keys(JSON.parse(fileStr));
const data = `import * as i18n from "i18next";
type I18nKeys =
${keys.map(key => ` | "${key}"`).join("\n")};
declare module "i18next" {
export interface TFunction {
// basic usage
<
TResult extends TFunctionResult = string,
TInterpolationMap extends object = StringMap
>(
key: I18nKeys | I18nKeys[],
options?: TOptions<TInterpolationMap> | string
): TResult;
// overloaded usage
<
TResult extends TFunctionResult = string,
TInterpolationMap extends object = StringMap
>(
key: I18nKeys | I18nKeys[],
defaultValue?: string,
options?: TOptions<TInterpolationMap> | string
): TResult;
}
}
`;
fs.writeFileSync(`${outDir}i18next.d.ts`, data);
});