i18next-scanner-esm/src/acorn-jsx-walk.js

Scan your code, extract translation keys/values, and merge them into i18n resource files.

// Originally from: https://github.com/sderosiaux/acorn-jsx-walk
import { simple as walk, base } from 'acorn-walk';
import { DynamicImportKey } from 'acorn-dynamic-import';

Object.assign(base, {
    FieldDefinition(node, state, callback) {
        if (node.value !== null) {
            callback(node.value, state);
        }
    },

    // Workaround with `acorn` and `acorn-dynamic-import`
    // https://github.com/kristoferbaxter/dynamic-walk/blob/master/workaround.js
    [DynamicImportKey]: () => {},
});

// Extends acorn walk with JSX elements
// https://github.com/RReverser/acorn-jsx/issues/23#issuecomment-403753801
Object.assign(base, {
    JSXAttribute(node, state, callback) {
        if (node.value !== null) {
            callback(node.value, state);
        }
    },

    JSXElement(node, state, callback) {
        node.openingElement.attributes.forEach((attribute) => {
            callback(attribute, state);
        });
        node.children.forEach((node) => {
            callback(node, state);
        });
    },

    JSXEmptyExpression(node, state, callback) {
        // Comments. Just ignore.
    },

    JSXExpressionContainer(node, state, callback) {
        callback(node.expression, state);
    },

    JSXFragment(node, state, callback) {
        node.children.forEach((node) => {
            callback(node, state);
        });
    },

    JSXSpreadAttribute(node, state, callback) {
        callback(node.argument, state);
    },

    JSXText() {},
});

export default (ast, options) => {
    walk(ast, { ...options });
};