@ts-intl/dependency/dist/esm/compiler/extractIntlKeysFromCode.js

I18n keys dependency analysis

import { createSourceFile, forEachChild, ScriptTarget, SyntaxKind, } from 'typescript';
import { extractIntlKeyArg, isIntlCall } from './utils';
export const extractIntlKeysFromCode = (sourceText, opts) => {
    const sourceFile = createSourceFile('source.tsx', sourceText, ScriptTarget.Latest);
    const res = new Set();
    const traverse = (node) => {
        if (node.kind === SyntaxKind.CallExpression) {
            const key = extractIntlKeyArg(node, opts.argIdx);
            if (key && isIntlCall(node, opts)) {
                res.add(key.text);
            }
        }
        forEachChild(node, traverse);
    };
    traverse(sourceFile);
    return [...res];
};