✨ add script to get location data

scripts/get-locations.js

@@ -0,0 +1,168 @@
+const pokemon = require("./pokemon.json");
+const fs = require("fs");
+
+function getPokemonId(name) {
+  for (let i = 0; i < pokemon.length; i++) {
+    if (pokemon[i].name === name) return i + 1;
+  }
+  return null;
+}
+
+const getEncounterRate = (encounterMethodRates, methodName) => {
+  const rate = encounterMethodRates.find(
+    (method) => method.encounter_method.name === methodName
+  );
+  if (!rate) return 0;
+  const red = rate.version_details.find(
+    (detail) => detail.version.name === "firered"
+  );
+  return red ? red.rate : 0;
+};
+
+const getPokemon = (pokemonEncounters, methodName) => {
+  const pokemon = [];
+
+  for (let i = 0; i < pokemonEncounters.length; i++) {
+    const pokemonName = pokemonEncounters[i].pokemon.name;
+    const pokemonId = getPokemonId(pokemonName);
+    if (!pokemonId) continue;
+    const blueData = pokemonEncounters[i].version_details.find(
+      (detail) => detail.version.name === "blue"
+    );
+    if (!blueData) continue;
+    for (let j = 0; j < blueData.encounter_details.length; j++) {
+      const details = blueData.encounter_details[j];
+      const method = details.method.name;
+      if (method === methodName) {
+        const pokemon_ = {
+          id: pokemonId,
+          chance: details.chance,
+          conditionValues: details.condition_values,
+          maxLevel: details.max_level,
+          minLevel: details.min_level,
+        };
+        pokemon.push(pokemon_);
+      }
+    }
+  }
+
+  return pokemon;
+};
+
+const downloadData = async () => {
+  const locations = JSON.parse(fs.readFileSync("location-areas.json"));
+  // const locations = [
+  //   {
+  //     name: "kanto-route-1-area",
+  //     url: "https://pokeapi.co/api/v2/location-area/295/",
+  //   },
+  // ];
+
+  let output = {};
+
+  for (let i = 0; i < locations.length; i++) {
+    const response = await fetch(locations[i].url);
+    const data = await response.json();
+
+    const rates = data.encounter_method_rates;
+    const pokemonEncounters = data.pokemon_encounters;
+
+    const location = {
+      id: data.name,
+      name: data.names.filter((name) => name.language.name === "en")[0].name,
+      encounters: {
+        walk: {
+          rate: getEncounterRate(rates, "walk"),
+          pokemon: getPokemon(pokemonEncounters, "walk"),
+        },
+        oldRod: {
+          rate: getEncounterRate(rates, "old-rod"),
+          pokemon: getPokemon(pokemonEncounters, "old-rod"),
+        },
+        goodRod: {
+          rate: getEncounterRate(rates, "good-rod"),
+          pokemon: getPokemon(pokemonEncounters, "good-rod"),
+        },
+        superRod: {
+          rate: getEncounterRate(rates, "super-rod"),
+          pokemon: getPokemon(pokemonEncounters, "super-rod"),
+        },
+        surf: {
+          rate: getEncounterRate(rates, "surf"),
+          pokemon: getPokemon(pokemonEncounters, "surf"),
+        },
+        rockSmash: {
+          rate: getEncounterRate(rates, "rock-smash"),
+          pokemon: getPokemon(pokemonEncounters, "rock-smash"),
+        },
+        headbutt: {
+          rate: getEncounterRate(rates, "headbutt"),
+          pokemon: getPokemon(pokemonEncounters, "headbutt"),
+        },
+        darkGrass: {
+          rate: getEncounterRate(rates, "dark-grass"),
+          pokemon: getPokemon(pokemonEncounters, "dark-grass"),
+        },
+        grassSpots: {
+          rate: getEncounterRate(rates, "grass-spots"),
+          pokemon: getPokemon(pokemonEncounters, "grass-spots"),
+        },
+        caveSpots: {
+          rate: getEncounterRate(rates, "cave-spots"),
+          pokemon: getPokemon(pokemonEncounters, "cave-spots"),
+        },
+        bridgeSpots: {
+          rate: getEncounterRate(rates, "bridge-spots"),
+          pokemon: getPokemon(pokemonEncounters, "bridge-spots"),
+        },
+        superRodSpots: {
+          rate: getEncounterRate(rates, "super-rod-spots"),
+          pokemon: getPokemon(pokemonEncounters, "super-rod-spots"),
+        },
+        surfSpots: {
+          rate: getEncounterRate(rates, "surf-spots"),
+          pokemon: getPokemon(pokemonEncounters, "surf-spots"),
+        },
+        yellowFlowers: {
+          rate: getEncounterRate(rates, "yellow-flowers"),
+          pokemon: getPokemon(pokemonEncounters, "yellow-flowers"),
+        },
+        purpleFlowers: {
+          rate: getEncounterRate(rates, "purple-flowers"),
+          pokemon: getPokemon(pokemonEncounters, "purple-flowers"),
+        },
+        redFlowers: {
+          rate: getEncounterRate(rates, "red-flowers"),
+          pokemon: getPokemon(pokemonEncounters, "red-flowers"),
+        },
+        roughTerrain: {
+          rate: getEncounterRate(rates, "rough-terrain"),
+          pokemon: getPokemon(pokemonEncounters, "rough-terrain"),
+        },
+        gift: {
+          rate: getEncounterRate(rates, "gift"),
+          pokemon: getPokemon(pokemonEncounters, "gift"),
+        },
+        giftEgg: {
+          rate: getEncounterRate(rates, "gift-egg"),
+          pokemon: getPokemon(pokemonEncounters, "gift-egg"),
+        },
+        onlyOne: {
+          rate: getEncounterRate(rates, "only-one"),
+          pokemon: getPokemon(pokemonEncounters, "only-one"),
+        },
+      },
+    };
+
+    output[data.name] = location;
+
+    console.log(`Downloaded ${location.name}`);
+
+    // wait one second
+    await new Promise((resolve) => setTimeout(resolve, 1000));
+  }
+
+  fs.writeFileSync("data.json", JSON.stringify(output));
+};
+
+downloadData();