CodingTrain · shiffman · Jul 13, 2024 · Jul 12, 2024 · Jul 12, 2024
diff --git a/content-testing/schemas.js b/content-testing/schemas.js
@@ -21,9 +21,15 @@ const baseVideosSchema = strictObject({
   title: string().required(),
   description: string().required(),
 
-  videoId: youtubeIdValidator.when(['parts'], (parts, schema) => {
+  videoId: youtubeIdValidator.when('parts', ([parts], schema) => {
     // videoId required if the `parts` array is missing or empty
-    return parts && parts.length > 0 ? schema : schema.required();
+    return parts && parts.length > 0
+      ? schema.test(
+          'videoId and parts conflict',
+          'Top-level "videoId" should not be defined if "parts" exist',
+          (value) => value === undefined
+        )
+      : schema.required();
   }),
 
   nebulaSlug: nonUrlStringValidator,

diff --git a/content/videos/challenges/10-dfs-maze-generator/index.json b/content/videos/challenges/10-dfs-maze-generator/index.json
@@ -2,7 +2,6 @@
   "title": "Maze Generator",
   "description": "Choo choo! In this multi-part coding challenge, I create a maze generator using a depth-first search algorithm with recursive backtracking. The idea is to walk through a grid of cells, removing walls as we go to build a maze.",
   "videoNumber": "10",
-  "videoId": "",
   "date": "2016-05-02",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["maze", "recursion", "backtracking", "depth-first search"],

diff --git a/content/videos/challenges/100-neuroevolution-flappy-bird/index.json b/content/videos/challenges/100-neuroevolution-flappy-bird/index.json
@@ -2,7 +2,6 @@
   "title": "Neuroevolution Flappy Bird",
   "description": "In this challenge, I use my JavaScript neural network library and a genetic algorithm to train an agent to play Flappy Bird.",
   "videoNumber": "100",
-  "videoId": "c6y21FkaUqw",
   "date": "2018-04-16",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["neural network", "reinforcement learning", "genetic algorithms", "evolution", "Flappy Bird game"],

diff --git a/content/videos/challenges/110-recamans-sequence/index.json b/content/videos/challenges/110-recamans-sequence/index.json
@@ -2,7 +2,6 @@
   "title": "Recamán's Sequence",
   "description": "In this coding challenge, I visualize the Recamán’s number sequence using the p5.js library and go on to generate a series of musical tones using p5.js sound.",
   "videoNumber": "110",
-  "videoId": "",
   "date": "2018-07-24",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["number sequence", "Recamán's sequence", "music", "audio-visual", "visualization"],

diff --git a/content/videos/challenges/121-logo-interpreter/index.json b/content/videos/challenges/121-logo-interpreter/index.json
@@ -2,7 +2,6 @@
   "title": "Logo Interpreter",
   "description": "In this coding challenge, I discuss turtle graphics and make a Logo Interpreter in JavaScript.",
   "videoNumber": "121",
-  "videoId": "",
   "date": "2018-10-31",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["Logo", "Logo interpreter", "turtle graphics"],

diff --git a/content/videos/challenges/122-quick-draw/index.json b/content/videos/challenges/122-quick-draw/index.json
@@ -2,7 +2,6 @@
   "title": "Quick, Draw!",
   "description": "In this multi-part coding challenge, I take a closer look at the Quick, Draw! dataset and create a simple node API to \"replay\" drawings of rainbows and cats using p5.js.",
   "videoNumber": "122",
-  "videoId": "",
   "date": "2018-11-19",
   "languages": ["p5.js", "Node.js", "JavaScript"],
   "topics": ["Quick, Draw! game", "machine learning (ML)", "doodle classifiers", "sketch-RNN"],

diff --git a/content/videos/challenges/123-chaos-game/index.json b/content/videos/challenges/123-chaos-game/index.json
@@ -2,7 +2,6 @@
   "title": "Chaos Game",
   "description": "In this multi-part coding challenge, I visualize the \"Chaos Game\".",
   "videoNumber": "123",
-  "videoId": "",
   "date": "2018-11-29",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["chaos game", "fractal", "seed points", "probability"],

diff --git a/content/videos/challenges/130-drawing-with-fourier-transform-and-epicycles/index.json b/content/videos/challenges/130-drawing-with-fourier-transform-and-epicycles/index.json
@@ -2,7 +2,6 @@
   "title": "Drawing with Fourier Transform and Epicycles",
   "description": "In this coding challenge, I implement the Discrete Fourier Transform algorithm in JavaScript and render a drawing using epicycles derived from the transform.",
   "videoNumber": "130",
-  "videoId": "MY4luNgGfms",
   "date": "2019-01-24",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["Fourier transform square wave", "discrete Fourier transform", "epicycles drawing"],

diff --git a/content/videos/challenges/134-heart-curve/index.json b/content/videos/challenges/134-heart-curve/index.json
@@ -2,7 +2,6 @@
   "title": "Heart Curve",
   "description": "In this multi-part challenge, I use a parametric equation (from Wolfram Mathworld) to draw a heart curve in Processing (Java).",
   "videoNumber": "134",
-  "videoId": "",
   "date": "2019-02-18",
   "languages": ["Processing"],
   "topics": ["heart curve", "parametric equation", "polar coordinates", "GIF loop"],

diff --git a/content/videos/challenges/136-polar-noise-loops/index.json b/content/videos/challenges/136-polar-noise-loops/index.json
@@ -2,7 +2,6 @@
   "title": "Polar Noise Loops",
   "description": "In this multi-part coding challenge I show how to use a noise field and polar coordinates to create a perfect GIF loop.",
   "videoNumber": "136",
-  "videoId": "",
   "date": "2019-02-25",
   "languages": ["p5.js", "Processing"],
   "topics": ["GIF loop", "Perlin noise", "polar coordinates"],

diff --git a/content/videos/challenges/142-rubiks-cube/index.json b/content/videos/challenges/142-rubiks-cube/index.json
@@ -2,7 +2,6 @@
   "title": "Rubik's Cube",
   "description": "Can I build an interactive 3D Rubik's cube in Processing? Yes! Someday I hope to return to this project and add an AI solver!",
   "videoNumber": "142",
-  "videoId": "",
   "date": "2019-04-01",
   "languages": ["Processing"],
   "topics": ["Rubik's cube", "rotation matrix", "peasyCam", "simulation"],

diff --git a/content/videos/challenges/32-agario/index.json b/content/videos/challenges/32-agario/index.json
@@ -2,7 +2,6 @@
   "title": "Agar.io",
   "description": "In this multi-part coding challenge, I create a clone of the multiplayer online game Agar.io with JavaScript, node.js and websockets.",
   "videoNumber": "32",
-  "videoId": "",
   "date": "2016-08-16",
   "languages": ["JavaScript", "Node.js"],
   "topics": ["agar.io", "WebSocket"],

diff --git a/content/videos/challenges/35-traveling-salesperson/index.json b/content/videos/challenges/35-traveling-salesperson/index.json
@@ -2,7 +2,6 @@
   "title": "Traveling Salesperson",
   "description": "In Part 1 of this multi-part coding challenge, I introduce the classic computer science problem of the Traveling Salesperson (TSP) and discuss the pitfalls with a brute force solution. In Part 2, I discuss Lexicographic Ordering and demonstrate one algorithm to iterate over all the permutations of an array. In Part 3, I apply this algorithm to a brute-force solution of the TSP problem. Every single route permutation is checked one by one. In Part 4, I attempt to create a solution to the TSP problem with a genetic algorithm, and then I add a “crossover” algorithm in Part 5.",
   "videoNumber": "35",
-  "videoId": "BAejnwN4Ccw",
   "date": "2016-08-24",
   "languages": ["p5.js"],
   "topics": [

diff --git a/content/videos/challenges/40-word-counter/index.json b/content/videos/challenges/40-word-counter/index.json
@@ -2,7 +2,6 @@
   "title": "Word Counter",
   "description": "In this challenge, we build a word counting (concordance) application, and visualize the frequency of each word using variable font size! We also implement the TF-IDF algorithm",
   "videoNumber": "40",
-  "videoId": "",
   "date": "2016-10-10",
   "languages": ["p5.js", "Processing", "JavaScript", "Java"],
   "topics": ["word counting", "visualization", "tf-idf"],

diff --git a/content/videos/challenges/42-markov-chain-name-generator/index.json b/content/videos/challenges/42-markov-chain-name-generator/index.json
@@ -2,7 +2,6 @@
   "title": "Markov Chain Name Generator",
   "description": "In this multi-part coding challenge I attempt to use a Markov Chain to generate a new name for my YouTube channel.",
   "videoNumber": "42",
-  "videoId": "",
   "date": "2016-10-24",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["Markov chain", "n-gram", "text generator"],

diff --git a/content/videos/challenges/44-afinn-111-sentiment-analysis/index.json b/content/videos/challenges/44-afinn-111-sentiment-analysis/index.json
@@ -2,7 +2,6 @@
   "title": "AFINN-111 Sentiment Analysis",
   "description": "In this multi-part coding challenge I implement sentiment analysis using the AFINN-111 word list.",
   "videoNumber": "44",
-  "videoId": "",
   "date": "2016-12-01",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["sentiment analysis", "AFINN-111"],

diff --git a/content/videos/challenges/46-asteroids/index.json b/content/videos/challenges/46-asteroids/index.json
@@ -2,7 +2,6 @@
   "title": "Asteroids",
   "description": "In this two part coding challenge, I use the p5.js library to create my own version of the classic Atari video game Asteroids!",
   "videoNumber": "46",
-  "videoId": "",
   "date": "2016-12-15",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["Atari Asteroids game", "polar to Cartesian coordinates"],

diff --git a/content/videos/challenges/50-animated-circle-packing/index.json b/content/videos/challenges/50-animated-circle-packing/index.json
@@ -2,7 +2,6 @@
   "title": "Circle Packing",
   "description": "In this multi-part coding challenge, I demonstrate how to use a circle packing algorithm.",
   "videoNumber": "50",
-  "videoId": "",
   "date": "2017-01-09",
   "languages": ["Processing"],
   "topics": ["circle packing", "pixels"],

diff --git a/content/videos/challenges/51-a-pathfinding-algorithm/index.json b/content/videos/challenges/51-a-pathfinding-algorithm/index.json
@@ -2,7 +2,6 @@
   "title": "A* Pathfinding Algorithm",
   "description": "In this multi-part coding challenge, I attempt an implementation of the A* Pathfinding Algorithm to find the optimal path between two points in a 2D grid.",
   "videoNumber": "51",
-  "videoId": "",
   "date": "2017-01-16",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["A* algorithm", "pathfinding", "heuristic"],

diff --git a/content/videos/challenges/54-islamic-star-patterns/index.json b/content/videos/challenges/54-islamic-star-patterns/index.json
@@ -2,7 +2,6 @@
   "title": "Islamic Star Patterns",
   "description": "In this bonus super-sized coding challenge, I work through visualizing Islamic Star Patterns in p5.js.",
   "videoNumber": "54",
-  "videoId": "",
   "date": "2017-02-01",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["Islamic star patterns", "Hankin's method", "tile pattern", "law of sines"],

diff --git a/content/videos/challenges/62-plinko-with-matterjs/index.json b/content/videos/challenges/62-plinko-with-matterjs/index.json
@@ -2,7 +2,6 @@
   "title": "Plinko with Matter.js",
   "description": "I love all things random and chance so why not make a Plink simulation with the matter.js physics engine and p5.js!",
   "videoNumber": "62",
-  "videoId": "KakpnfDv_f0",
   "date": "2017-03-10",
   "languages": ["JavaScript", "p5.js", "Matter.js"],
   "topics": ["collision detection", "matter.js", "physics engine", "Plinko game"],

diff --git a/content/videos/challenges/63-texturing-cloth-simulation/index.json b/content/videos/challenges/63-texturing-cloth-simulation/index.json
@@ -2,7 +2,6 @@
   "title": "Texturing Cloth Simulation",
   "description": "In this two part challenge, I cover beginShape(), endShape(), and texture(), TRIANGLE_STRIP, QUAD_STRIP, and more. I combine these geometry functions with the Toxiclibs physics library to simulate a waving flag (with a unikitty image texture!)",
   "videoNumber": "63",
-  "videoId": "",
   "date": "2017-03-14",
   "languages": ["Processing", "Java"],
   "topics": ["physics engine", "texture 3D", "Toxiclibs", "cloth", "simulation"],

diff --git a/content/videos/challenges/64-kinematics/index.json b/content/videos/challenges/64-kinematics/index.json
@@ -2,7 +2,6 @@
   "title": "Kinematics",
   "description": "In this multi-part coding challenge, I demonstrate how to implement kinematics in Processing (Java).",
   "videoNumber": "64",
-  "videoId": "xXjRlEr7AGk",
   "date": "2017-03-16",
   "languages": ["Processing"],
   "topics": ["forward kinematics", "inverse kinematics", "tentacle animation", "linked lists", "array"],

diff --git a/content/videos/challenges/65-binary-tree/index.json b/content/videos/challenges/65-binary-tree/index.json
@@ -2,7 +2,6 @@
   "title": "Binary Tree",
   "description": "This multi-part coding challenge is part of the first week of my course: \"Intelligence and Learning.\" Here I attempt to implement a classic data structure: The Binary Search Tree.",
   "videoNumber": "65",
-  "videoId": "ZNH0MuQ51m4",
   "date": "2017-03-21",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["tree", "binary search", "data structure", "intelligence and learning"],

diff --git a/content/videos/challenges/68-breadth-first-search/index.json b/content/videos/challenges/68-breadth-first-search/index.json
@@ -2,7 +2,6 @@
   "title": "Breadth-First Search",
   "description": "In this two part challenge, I implement the Breadth-First Search algorithm in JavaScript. My demo application is \"6 Degrees of Kevin Bacon\" (finding the closest relationship between Kevin Bacon and another actor).",
   "videoNumber": "68",
-  "videoId": "piBq7VD0ZSo",
   "date": "2017-03-30",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["breadth-first search algorithm", "Six Degrees of Kevin Bacon"],

diff --git a/content/videos/challenges/69-evolutionary-steering-behaviors/index.json b/content/videos/challenges/69-evolutionary-steering-behaviors/index.json
@@ -2,7 +2,6 @@
   "title": "Evolutionary Steering Behaviors",
   "description": "In this multi-part coding challenge, I create a system where autonomous steering agents evolve the behavior of eating food and avoiding poison.",
   "videoNumber": "69",
-  "videoId": "flxOkx0yLrY",
   "date": "2017-04-18",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["genetic algorithms", "steering behaviors", "seek function", "autonomous agent", "evolution"],

diff --git a/content/videos/challenges/70-nearest-neighbors-recommendation-engine/index.json b/content/videos/challenges/70-nearest-neighbors-recommendation-engine/index.json
@@ -2,7 +2,6 @@
   "title": "Nearest Neighbors Recommendation Engine",
   "description": "In this multi-part coding challenge, I create a movie recommendation engine using the \"nearest neighbor\" algorithm.",
   "videoNumber": "70",
-  "videoId": "",
   "date": "2017-05-09",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["nearest neighbors", "similarity score", "Euclidean distance", "associative arrays"],

diff --git a/content/videos/challenges/72-frogger/index.json b/content/videos/challenges/72-frogger/index.json
@@ -2,7 +2,6 @@
   "title": "Frogger",
   "description": "In this multi-part challenge, I create a simplified version of the classic Atari video game Frogger in Processing (Java).",
   "videoNumber": "72",
-  "videoId": "giXV6xErw0Y",
   "date": "2017-06-14",
   "languages": ["Processing"],
   "topics": ["game mechanics", "Atari Frogger game", "inheritance"],

diff --git a/content/videos/challenges/81-circle-morphing/index.json b/content/videos/challenges/81-circle-morphing/index.json
@@ -2,7 +2,6 @@
   "title": "Circle Morphing",
   "description": "In this multi-part challenge, I implement two possible solutions to Golan Levin's Circle Morphing challenge.",
   "videoNumber": "81",
-  "videoId": "u2D4sxh3MTs",
   "date": "2017-11-01",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["Golan Levin", "interpolation", "circle morphing", "polar coordinates"],

diff --git a/content/videos/challenges/91-snakes-and-ladders/index.json b/content/videos/challenges/91-snakes-and-ladders/index.json
@@ -2,7 +2,6 @@
   "title": "Snakes & Ladders",
   "description": "In this multi-part coding challenge, I attempt to create a simulation of the classic board game Snakes & Ladders (also known as Chutes and Ladders).",
   "videoNumber": "91",
-  "videoId": "",
   "date": "2018-01-29",
   "languages": ["p5.js", "JavaScript"],
   "topics": ["Snakes & ladders game", "games"],

diff --git a/content/videos/challenges/94-2048/index.json b/content/videos/challenges/94-2048/index.json
@@ -2,7 +2,6 @@
   "title": "2048 Sliding Puzzle Game",
   "description": "In this multi-part coding challenge, I code the sliding puzzle game 2048 in JavaScript using canvas and p5.js.",
   "videoNumber": "94",
-  "videoId": "JSn-DJU8qf0",
   "date": "2018-02-26",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["2048 game", "sliding puzzle game"],

diff --git a/content/videos/challenges/97-book-of-pi/index.json b/content/videos/challenges/97-book-of-pi/index.json
@@ -2,7 +2,6 @@
   "title": "The Book of Pi",
   "description": "In yet another “Pi Day” coding challenge, I attempt to generate a pdf “Book of Pi” with the first 10 million digits of Pi mapped to color. Processing (Java) is used for this project.",
   "videoNumber": "97",
-  "videoId": "",
   "date": "2018-03-20",
   "languages": ["Processing", "Java"],
   "topics": ["Pi", "Pi day", "visualization"],

diff --git a/content/videos/challenges/98-quadtree/index.json b/content/videos/challenges/98-quadtree/index.json
@@ -2,7 +2,6 @@
   "title": "Quadtree",
   "description": "In this multi-part coding challenge, I implement a Quadtree data structure in JavaScript and visualize it with p5.js.",
   "videoNumber": "98",
-  "videoId": "OJxEcs0w_kE",
   "date": "2018-03-26",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["quadtree data structure", "quadtree collision detection"],

diff --git a/gatsby/createSchemaCustomization.mjs b/gatsby/createSchemaCustomization.mjs
@@ -6,7 +6,7 @@ const schema = /* GraphQL */ `
     id: ID!
     title: String!
     slug: String!
-    videoId: String!
+    videoId: String
     description: String!
     date: String
     videoNumber: String
@@ -32,7 +32,7 @@ const schema = /* GraphQL */ `
     id: ID!
     title: String!
     slug: String!
-    videoId: String!
+    videoId: String
     description: String!
     date: String
     videoNumber: String
@@ -58,7 +58,7 @@ const schema = /* GraphQL */ `
     id: ID!
     title: String!
     slug: String!
-    videoId: String!
+    videoId: String
     description: String!
     date: String
     videoNumber: String