gristlabs_grist-core/buildtools/generate_translation_keys.js

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/**
* Generating translations keys:
*
* This code walk through all the files in client directory and its children
* Get the all keys called by our makeT utils function
* And add only the new one on our en.client.json file
*
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*/
const fs = require("fs");
const path = require("path");
const Parser = require("i18next-scanner").Parser;
const englishKeys = require("../static/locales/en.client.json");
const _ = require("lodash");
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const parser = new Parser({
keySeparator: "/",
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nsSeparator: null,
});
async function* walk(dir) {
for await (const d of await fs.promises.opendir(dir)) {
const entry = path.join(dir, d.name);
if (d.isDirectory()) yield* walk(entry);
else if (d.isFile()) yield entry;
}
}
const customHandler = (fileName) => (key, options) => {
const keyWithFile = `${fileName}/${key}`;
if (Object.keys(options).includes("count") === true) {
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const keyOne = `${keyWithFile}_one`;
const keyOther = `${keyWithFile}_other`;
parser.set(keyOne, key);
parser.set(keyOther, key);
} else {
parser.set(keyWithFile, key);
}
};
const getKeysFromFile = (filePath, fileName) => {
const content = fs.readFileSync(filePath, "utf-8");
parser.parseFuncFromString(
content,
{
list: [
"i18next.t",
"t", // To match the file-level t function created with makeT
],
},
customHandler(fileName)
);
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const keys = parser.get({ sort: true });
return keys;
};
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async function walkTranslation(dirPath) {
for await (const p of walk(dirPath)) {
const { name } = path.parse(p);
getKeysFromFile(p, name);
}
const keys = parser.get({ sort: true });
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const newTranslations = _.merge(keys.en.translation, englishKeys);
await fs.promises.writeFile(
"static/locales/en.client.json",
JSON.stringify(newTranslations, null, 2),
"utf-8"
);
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return keys;
}
walkTranslation("app/client");