revert(api): decouple api from curriculum

This reverts commit c077ffe4b9
via PR #40703

curriculum/gulpfile.js

@@ -1,6 +1,9 @@
+const fs = require('fs-extra');
 const gulp = require('gulp');
 const through2 = require('through2');
 
+const { curriculumLocale } = require('../config/env.json');
+const { getChallengesForLang } = require('./getChallenges');
 const { testedLang } = require('./utils');
 const lintMarkdown = require('../tools/scripts/lint');
 
@@ -8,6 +11,22 @@ const lintMarkdown = require('../tools/scripts/lint');
  * Tasks
  **/
 
+function generateCurriculum(done) {
+  return getChallengesForLang(curriculumLocale)
+    .then(curriculum => {
+      fs.ensureFileSync(`./build/curriculum-${curriculumLocale}.json`);
+      fs.writeFile(
+        `./build/curriculum-${curriculumLocale}.json`,
+        JSON.stringify(curriculum)
+      );
+    })
+    .then(done);
+}
+
+function watchFiles() {
+  return gulp.watch('./challenges/**/*.md', generateCurriculum);
+}
+
 function lint() {
   return gulp.src(globLang(testedLang()), { read: false }).pipe(
     through2.obj(function obj(file, enc, next) {
@@ -16,6 +35,8 @@ function lint() {
   );
 }
 
+const defaultTask = gulp.series(generateCurriculum, watchFiles);
+
 /**
  * Helper functions
  **/
@@ -24,4 +45,6 @@ function globLang(lang) {
   return `./challenges/${lang}/**/*.md`;
 }
 
+gulp.task('default', defaultTask);
+gulp.task('build', generateCurriculum);
 gulp.task('lint', lint);