Arisa Sigrist | Week 1

requirement-sets/1-reading-writing-files/answer.txt

@@ -0,0 +1 @@
+count: 3

requirement-sets/1-reading-writing-files/src/createDirectionObj.js

@@ -0,0 +1,16 @@
+const createDirectionObj = (line) => {
+  let directionObj = {};
+  for (let i = 0; i < line.length; i++) {
+    const direction = line[i];
+    if (!directionObj[direction]) {
+      directionObj[direction] = 1;
+    } else {
+      directionObj[direction]++;
+    }
+  }
+  return directionObj;
+};
+
+module.exports = {
+    createDirectionObj
+}

requirement-sets/1-reading-writing-files/src/index.js

@@ -1 +1,21 @@
+const { createDirectionObj } = require("./createDirectionObj.js")
+const { input } = require("./input.js")
+const fs = require("fs")
+
 // run the program
+const countSamePositions = () => {
+    let counter = 0
+    for(let i = 0; i < input.length; i++) {
+        const directionObj = createDirectionObj(input[i]);
+        if (directionObj.N === directionObj.S && directionObj.W === directionObj.E) counter++
+    }
+   return `count: ${counter}`
+}
+
+
+fs.writeFile("answer.txt", countSamePositions(), (err) => {
+  if (err) throw err
+ console.log("YaaY!")
+});
+
+

requirement-sets/1-reading-writing-files/src/input.js

@@ -0,0 +1,10 @@
+const path = require("path");
+const fs = require("fs");
+const input = fs
+  .readFileSync(path.join(__dirname, "../input.txt"), "utf8")
+  .trim()
+  .split("\n");
+
+  module.exports = {
+    input
+}

requirement-sets/3-test-js-grad/src/01-count-major-versions-above-10/index.js

@@ -11,9 +11,26 @@ GET https://api.npms.io/v2/search/suggestions?q=react
 *  greater than 10.x.x
 
 */
+const fetch = require("node-fetch");
+
+const doCountMajorVersionsAbove10 = (data) => {
+  let number = 0;
+  for (const dataInfo of data) {
+    const version = Number(dataInfo.package.version.substring(0, 2));
+    if (version >= 10) number++;
+  }
+  return number;
+};
 
 module.exports = async function countMajorVersionsAbove10() {
   // TODO
+  let number = 0;
+  const url = "https://api.npms.io/v2/search/suggestions?q=react";
 
-  return number
+  await fetch(url)
+    .then((res) => res.json())
+    .then((data) => {
+      number = doCountMajorVersionsAbove10(data);
+    });
+  return number;
 };

requirement-sets/3-test-js-grad/src/01-count-major-versions-above-10/index.test.js

@@ -1,20 +1,22 @@
-jest.mock('node-fetch');
-jest.mock('axios');
+jest.mock("node-fetch");
+jest.mock("axios");
 
-const fetch = require('node-fetch')
-const axios = require('axios')
+const fetch = require("node-fetch");
+const axios = require("axios");
 
-const dependencies = require('../__mocks__/dependencies.json')
-const countMajorVersionsAbove10 = require('.');
+const dependencies = require("../__mocks__/dependencies.json");
+const countMajorVersionsAbove10 = require(".");
 
-describe('countMajorVersionsAbove10', () => {
+describe("countMajorVersionsAbove10", () => {
   beforeEach(() => {
-    fetch.mockReturnValue(Promise.resolve({json: () => Promise.resolve(dependencies)}))
-    axios.get.mockReturnValue(Promise.resolve({ data: dependencies }))
-  })
+    fetch.mockReturnValue(
+      Promise.resolve({ json: () => Promise.resolve(dependencies) })
+    );
+    axios.get.mockReturnValue(Promise.resolve({ data: dependencies }));
+  });
 
-  it('returns the correct count of packages above version 10.x.x', async () => {
-    const answer = await countMajorVersionsAbove10()
+  it("returns the correct count of packages above version 10.x.x", async () => {
+    const answer = await countMajorVersionsAbove10();
 
     expect(answer).toEqual(4);
   });

requirement-sets/3-test-js-grad/src/02-oldest-package-name/index.js

@@ -10,9 +10,23 @@ GET https://api.npms.io/v2/search/suggestions?q=react
 *  the "name" of the package that has the oldest "date" value
 
 */
+const fetch = require("node-fetch");
 
 module.exports = async function oldestPackageName() {
   // TODO
-
-  return name
+  let name;
+  const url = "https://api.npms.io/v2/search/suggestions?q=react";
+  await fetch(url)
+    .then((res) => res.json())
+    .then((data) => {
+      const dataSortByDate = data.sort((a, b) => {
+        const indexA = data.indexOf(a);
+        const dateA = new Date(data[indexA].package.date);
+        const indexB = data.indexOf(b);
+        const dateB = new Date(data[indexB].package.date);
+        return dateA - dateB;
+      });
+      name = dataSortByDate[0].package.name;
+    });
+  return name;
 };