Fixed exercises

Author: mattpocock

package.json

@@ -15,7 +15,78 @@
     "exercise": "node scripts/exercise.js",
     "e": "npm run exercise",
     "solution": "cross-env SOLUTION=true node scripts/exercise.js",
-    "s": "npm run solution"
+    "s": "npm run solution",
+    "prepare": "node ./scripts/prepare-stackblitz.js",
+    "e-02": "npm run exercise -- 02",
+    "s-02": "npm run solution -- 02",
+    "e-03": "npm run exercise -- 03",
+    "s-03": "npm run solution -- 03",
+    "e-04": "npm run exercise -- 04",
+    "s-04": "npm run solution -- 04",
+    "e-05": "npm run exercise -- 05",
+    "s-05": "npm run solution -- 05",
+    "e-06": "npm run exercise -- 06",
+    "s-06": "npm run solution -- 06",
+    "e-07": "npm run exercise -- 07",
+    "s-07": "npm run solution -- 07",
+    "e-08": "npm run exercise -- 08",
+    "s-08": "npm run solution -- 08",
+    "e-09": "npm run exercise -- 09",
+    "s-09": "npm run solution -- 09",
+    "e-10": "npm run exercise -- 10",
+    "s-10": "npm run solution -- 10",
+    "e-12": "npm run exercise -- 12",
+    "s-12": "npm run solution -- 12",
+    "e-13": "npm run exercise -- 13",
+    "s-13": "npm run solution -- 13",
+    "e-14": "npm run exercise -- 14",
+    "s-14": "npm run solution -- 14",
+    "e-15": "npm run exercise -- 15",
+    "s-15": "npm run solution -- 15",
+    "e-16": "npm run exercise -- 16",
+    "s-16": "npm run solution -- 16",
+    "e-17": "npm run exercise -- 17",
+    "s-17": "npm run solution -- 17",
+    "e-17.8": "npm run exercise -- 17.8",
+    "s-17.8": "npm run solution -- 17.8",
+    "e-18": "npm run exercise -- 18",
+    "s-18": "npm run solution -- 18",
+    "e-18.2": "npm run exercise -- 18.2",
+    "s-18.2": "npm run solution -- 18.2",
+    "e-20": "npm run exercise -- 20",
+    "s-20": "npm run solution -- 20",
+    "e-21": "npm run exercise -- 21",
+    "s-21": "npm run solution -- 21",
+    "e-22": "npm run exercise -- 22",
+    "s-22": "npm run solution -- 22",
+    "e-23": "npm run exercise -- 23",
+    "s-23": "npm run solution -- 23",
+    "e-24": "npm run exercise -- 24",
+    "s-24": "npm run solution -- 24",
+    "e-25": "npm run exercise -- 25",
+    "s-25": "npm run solution -- 25",
+    "e-26": "npm run exercise -- 26",
+    "s-26": "npm run solution -- 26",
+    "e-26.5": "npm run exercise -- 26.5",
+    "s-26.5": "npm run solution -- 26.5",
+    "e-27": "npm run exercise -- 27",
+    "s-27": "npm run solution -- 27",
+    "e-28": "npm run exercise -- 28",
+    "s-28": "npm run solution -- 28",
+    "e-29": "npm run exercise -- 29",
+    "s-29": "npm run solution -- 29",
+    "e-30": "npm run exercise -- 30",
+    "s-30": "npm run solution -- 30",
+    "e-30.5": "npm run exercise -- 30.5",
+    "s-30.5": "npm run solution -- 30.5",
+    "e-31": "npm run exercise -- 31",
+    "s-31": "npm run solution -- 31",
+    "e-32": "npm run exercise -- 32",
+    "s-32": "npm run solution -- 32",
+    "e-33": "npm run exercise -- 33",
+    "s-33": "npm run solution -- 33",
+    "e-34": "npm run exercise -- 34",
+    "s-34": "npm run solution -- 34"
   },
   "dependencies": {
     "@types/express": "^4.17.14",
@@ -29,4 +100,4 @@
     "ts-toolbelt": "^9.6.0",
     "zod": "^3.19.1"
   }
-}
+}

scripts/prepare-stackblitz.js

@@ -0,0 +1,36 @@
+const fs = require("fs");
+const path = require("path");
+const fg = require("fast-glob");
+
+/**
+ * Adds a bunch of scripts, like e-01, e-02 to package.json
+ * so that StackBlitz can run them programmatically via URL
+ * commands
+ */
+
+const packageJsonPath = path.resolve(__dirname, "../package.json");
+const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, "utf8"));
+
+const srcPath = path.resolve(__dirname, "../src");
+const allExercises = fg.sync(
+  path.join(srcPath, "**", "**.ts").replace(/\\/g, "/"),
+);
+const exerciseFiles = allExercises.filter((exercise) =>
+  exercise.includes(".problem."),
+);
+const exerciseNames = exerciseFiles.map(
+  (exercise) => path.parse(exercise).base.split("-")[0],
+);
+
+const newPackageJson = Object.assign({}, packageJson);
+
+newPackageJson.scripts = {
+  ...packageJson.scripts,
+};
+
+exerciseNames.forEach((exercise) => {
+  newPackageJson.scripts[`e-${exercise}`] = `npm run exercise -- ${exercise}`;
+  newPackageJson.scripts[`s-${exercise}`] = `npm run solution -- ${exercise}`;
+});
+
+fs.writeFileSync(packageJsonPath, JSON.stringify(newPackageJson, null, 2));