feat: Add loader for php files.

Author: xiCO2k

package-lock.json

@@ -35,6 +35,7 @@
     "typescript": "^4.6.2"
   },
   "dependencies": {
+    "php-parser": "^3.1.0-beta.4",
     "vue": "^3.2.31"
   },
   "lint-staged": {

package.json

@@ -0,0 +1,87 @@
+import fs from 'fs';
+import path from 'path';
+import { Engine } from 'php-parser';
+
+export const parseAll = (folderPath: string): { name: string, path: string }[] => {
+    folderPath = folderPath.replace(/[\\/]$/, '') + path.sep;
+
+    const folders = fs.readdirSync(folderPath)
+        .filter(file => fs.statSync(folderPath + path.sep + file).isDirectory())
+        .sort();
+
+    const data = [];
+    for (const folder of folders) {
+        const lang = {};
+
+        fs
+            .readdirSync(folderPath + path.sep + folder)
+            .filter(file => ! fs.statSync(folderPath + path.sep + folder + path.sep + file).isDirectory())
+            .sort()
+            .forEach((file) => {
+                lang[file.replace(/\.\w+$/, '')] = parse(fs.readFileSync(folderPath + path.sep + folder + path.sep + file).toString());
+            });
+
+        data.push({
+            folder,
+            translations: convertToDotsSyntax(lang),
+        });
+    }
+
+    return data.map(({ folder, translations }) => {
+        const name = `php_${folder}.json`;
+        const path = folderPath + name;
+
+        fs.writeFileSync(path, JSON.stringify(translations));
+        return { name, path }
+    });
+}
+
+export const parse = (content: string) => {
+    const arr = (new Engine({})).parseCode(content, 'lang').children
+        .filter(child => child.kind === 'return')[0] as any;
+
+    return parseItem(arr.expr);
+}
+
+const parseItem = (expr) => {
+    if (expr.kind === 'string') {
+        return expr.value;
+    }
+
+    if (expr.kind === 'array') {
+        let items = expr.items.map((item) => parseItem(item));
+
+        if (expr.items.every((item) => item.key !== null)) {
+            items = items.reduce((acc, val) => Object.assign({}, acc, val), {})
+        }
+
+        return items;
+    }
+
+    if (expr.key) {
+        return { [expr.key.value]: parseItem(expr.value) }
+    }
+
+    return parseItem(expr.value)
+}
+
+const convertToDotsSyntax = (list) => {
+    const flatten = (items, context = '') => {
+        const data = {};
+
+        Object.entries(items).forEach(([key, value]) => {
+            if (typeof value === 'string') {
+                data[context + key] = value;
+                return;
+            }
+
+            Object.entries(flatten(value, context + key + '.')).forEach(([itemKey, itemValue]) => {
+                data[itemKey] = itemValue;
+            });
+        });
+
+        return data;
+    }
+
+    return flatten(list);
+}

src/loader.ts

@@ -0,0 +1,6 @@
+<?php
+
+return [
+    'failed' => 'These credentials do not match our records.',
+    'password' => 'The provided password is incorrect.',
+];

test/fixtures/lang/en/auth.php

@@ -0,0 +1,6 @@
+<?php
+
+return [
+    'failed' => 'As credenciais indicadas não coincidem com as registadas no sistema.',
+    'password' => 'A palavra-passe indicada está incorreta.',
+];

test/fixtures/lang/pt/auth.php

@@ -0,0 +1,32 @@
+import fs from 'fs';
+import path from 'path';
+import { parseAll, parse } from '../src/loader';
+
+beforeEach(() => {
+    const folderPath = __dirname + '/fixtures/lang/';
+    const dir = fs.readdirSync(folderPath);
+
+    dir.filter(file => file.match(/^php_/)).forEach(file => {
+        fs.unlinkSync(folderPath + file);
+    });
+});
+
+it('creates a file for each lang', () => {
+    const files = parseAll(__dirname + '/fixtures/lang/');
+
+    expect(files.length).toBe(2);
+    expect(files[0].name).toBe('php_en.json');
+    expect(files[1].name).toBe('php_pt.json');
+
+    const langEn = JSON.parse(fs.readFileSync(files[0].path).toString());
+    expect(langEn['auth.failed']).toBe('These credentials do not match our records.');
+
+    const langPt = JSON.parse(fs.readFileSync(files[1].path).toString());
+    expect(langPt['auth.failed']).toBe('As credenciais indicadas não coincidem com as registadas no sistema.');
+});
+
+it('transforms .php lang to .json', () => {
+    const lang = parse(fs.readFileSync(__dirname + '/fixtures/lang/en/auth.php').toString());
+
+    expect(lang['failed']).toBe('These credentials do not match our records.');
+});