config.json

{
  "language": "JavaScript (Legacy)",
  "active": false,
  "blurb": "JavaScript is a scripting language, primarily used for creating dynamic websites and programming web servers. It's a very popular language, and supports a variety of programming paradigms.",
  "test_pattern": ".*[.]spec[.]js$",
  "exercises": [
    {
      "slug": "hello-world",
      "uuid": "4756cfc9-7509-4783-8be7-60e3376b8256",
      "core": true,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
        "control_flow_conditionals",
        "optional_values",
        "strings",
        "text_formatting"
      ]
    },
    {
      "slug": "two-fer",
      "uuid": "5f3d1326-f0c5-44a6-b90a-6af3b7d455f1",
      "core": false,
      "unlocked_by": "hello-world",
      "difficulty": 1,
      "topics": [
        "control_flow_conditionals",
        "strings"
      ]
    },
    {
      "slug": "leap",
      "uuid": "0c231a1c-55f7-47b6-8a54-ccae4ab0c65b",
      "core": true,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
        "booleans",
        "integers",
        "logic"
      ]
    },
    {
      "slug": "reverse-string",
      "uuid": "553a6be7-eecb-45dc-9cea-05126c525f1b",
      "core": false,
      "unlocked_by": "leap",
      "difficulty": 2,
      "topics": [
        "for",
        "loops",
        "strings"
      ]
    },
    {
      "slug": "rna-transcription",
      "uuid": "d7f57ab9-2edb-44cb-a04e-c575c0f4be4c",
      "core": true,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
        "strings",
        "transforming"
      ]
    },
    {
      "slug": "simple-cipher",
      "uuid": "fff57c49-cde9-4a0c-b70b-2903cef212af",
      "core": true,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
        "algorithms",
        "control_flow_conditionals",
        "control_flow_loops",
        "mathematics",
        "randomness",
        "strings",
        "text_formatting",
        "transforming"
      ]
    },
    {
      "slug": "pangram",
      "uuid": "c57bf909-130f-46e6-97ca-aeed58df1a15",
      "core": true,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
        "algorithms",
        "control_flow_conditionals",
        "control_flow_loops",
        "lists",
        "maps",
        "searching",
        "strings"
      ]
    },
    {
      "slug": "bob",
      "uuid": "246be5d9-b361-4893-9707-f218ede2bed6",
      "core": true,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
        "control_flow_conditionals",
        "pattern_recognition",
        "polymorfism",
        "regular_expressions",
        "strings",
        "unicode"
      ]
    },
    {
      "slug": "gigasecond",
      "uuid": "49e4874b-d7e2-4305-a9bc-627fab4ada44",
      "core": true,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
        "time"
      ]
    },
    {
      "slug": "space-age",
      "uuid": "b668e11a-a8ce-4e94-ba68-3a1f0fa3f6c8",
      "core": true,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
        "classes",
        "floating_point_numbers",
        "mathematics"
      ]
    },
    {
      "slug": "binary",
      "uuid": "c3035180-ff4c-4afe-8019-f8364158b74e",
      "core": true,
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      "difficulty": 4,
      "topics": [
        "control_flow_conditionals",
        "control_flow_loops",
        "exception_handling",
        "integers",
        "mathematics",
        "regular_expressions",
        "strings"
      ]
    },
    {
      "slug": "prime-factors",
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      "core": true,
      "unlocked_by": null,
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      "topics": [
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        "control_flow_loops",
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      ]
    },
    {
      "slug": "matrix",
      "uuid": "fbfe6032-c209-40bd-b485-8b2881638166",
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      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
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        "control_flow_conditionals",
        "control_flow_loops",
        "data_structures",
        "matrices",
        "text_formatting"
      ]
    },
    {
      "slug": "linked-list",
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      "core": true,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
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        "arrays",
        "control_flow_conditionals",
        "control_flow_loops",
        "data_structures",
        "lists",
        "optional_values"
      ]
    },
    {
      "slug": "pascals-triangle",
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      "core": true,
      "unlocked_by": null,
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      "topics": [
        "control_flow_conditionals",
        "control_flow_loops",
        "mathematics",
        "strings",
        "text_formatting"
      ]
    },
    {
      "slug": "secret-handshake",
      "uuid": "0a3a452c-f734-47eb-8e65-34c8ae710ef0",
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      "topics": [
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        "arrays",
        "bitwise_operations",
        "control_flow_conditionals",
        "control_flow_loops",
        "games"
      ]
    },
    {
      "slug": "rotational-cipher",
      "uuid": "7078b1a4-ef73-4c02-809d-b2de62e9af11",
      "core": false,
      "unlocked_by": "secret-handshake",
      "difficulty": 6,
      "topics": [
        "cryptography",
        "integers",
        "strings"
      ]
    },
    {
      "slug": "grade-school",
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      "topics": [
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        "sorting"
      ]
    },
    {
      "slug": "robot-name",
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      "core": true,
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      "difficulty": 6,
      "topics": [
        "control_flow_conditionals",
        "exception_handling",
        "randomness",
        "regular_expressions",
        "sets"
      ]
    },
    {
      "slug": "wordy",
      "uuid": "bb54bf08-24ba-45e1-bdf7-08db161e5843",
      "core": true,
      "unlocked_by": null,
      "difficulty": 7,
      "topics": [
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        "control_flow_loops",
        "exception_handling",
        "parsing",
        "pattern_recognition",
        "regular_expressions",
        "strings"
      ]
    },
    {
      "slug": "list-ops",
      "uuid": "e70defe4-5944-4392-956c-63cb92e7fd9c",
      "core": true,
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      "difficulty": 8,
      "topics": [
        "data_structures",
        "lists",
        "recursion"
      ]
    },
    {
      "slug": "rational-numbers",
      "uuid": "2de5677e-5759-4a21-93c7-39a3d88242e8",
      "core": false,
      "unlocked_by": "pascals-triangle",
      "difficulty": 5,
      "topics": [
        "algorithms",
        "floating_point_numbers",
        "mathematics"
      ]
    },
    {
      "slug": "hamming",
      "uuid": "3e1358c8-2bea-41f9-bc9e-8277f354a4e0",
      "core": false,
      "unlocked_by": "rna-transcription",
      "difficulty": 2,
      "topics": [
        "control_flow_conditionals",
        "control_flow_loops",
        "equality",
        "strings"
      ]
    },
    {
      "slug": "run-length-encoding",
      "uuid": "d66c2b56-b465-4922-af35-ae78944c0aac",
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      "topics": [
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        "parsing",
        "pattern_recognition",
        "regular_expressions",
        "strings",
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      ]
    },
    {
      "slug": "isogram",
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      "core": false,
      "unlocked_by": "pangram",
      "difficulty": 2,
      "topics": [
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      ]
    },
    {
      "slug": "beer-song",
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      "unlocked_by": "bob",
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        "control_flow_loops",
        "strings"
      ]
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    {
      "slug": "phone-number",
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      ]
    },
    {
      "slug": "anagram",
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      "unlocked_by": "pangram",
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      "topics": [
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      ]
    },
    {
      "slug": "food-chain",
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    },
    {
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    },
    {
      "slug": "sublist",
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      "topics": [
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    },
    {
      "slug": "grains",
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    {
      "slug": "triangle",
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    },
    {
      "slug": "clock",
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      "unlocked_by": "gigasecond",
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      "topics": [
        "dates",
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      ]
    },
    {
      "slug": "perfect-numbers",
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      "slug": "word-count",
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      "slug": "acronym",
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      "slug": "scrabble-score",
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    {
      "slug": "roman-numerals",
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    {
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    },
    {
      "slug": "allergies",
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    {
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    {
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