split into modules
This commit is contained in:
parent
de66dec939
commit
f5e8aa12d9
7 changed files with 239 additions and 228 deletions
29
src/lib/dict.ts
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29
src/lib/dict.ts
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import { remove_accent } from "./utils.ts";
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export class Dict {
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words;
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letters;
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length;
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constructor(words: Set<string>, length: number) {
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this.words = words;
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this.length = length;
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this.letters = new Set([...words.values()].map((w) => w.split("")).flat());
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}
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static async from_file(path: string, length: number) {
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const words = new Set<string>();
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const content = await Deno.readTextFile(path);
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for (const word of content.split("\n")) {
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const word_ = word.trim().toLowerCase();
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if (word_.length !== length) continue;
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for (const forbidden of [" ", "-", "."]) if (word_.includes(forbidden)) continue;
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words.add(remove_accent(word_));
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}
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return new Dict(words, length);
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}
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[Symbol.for("Deno.customInspect")]() {
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return `Dict { ${this.words.size} words }`;
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}
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}
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3
src/lib/game/game.ts
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3
src/lib/game/game.ts
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export type Info = { kind: "abscent" } | { kind: "somewhere" } | { kind: "there" };
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export type GuessResult = { kind: "success" } | { kind: "failure"; informations: Info[] };
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43
src/lib/game/simulator.ts
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43
src/lib/game/simulator.ts
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import { Dict } from "../dict.ts";
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import { enumerate, range, zip } from "../utils.ts";
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import { GuessResult, Info } from "./game.ts";
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export class Simulator {
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word;
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constructor(word: string) {
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this.word = word;
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}
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static from_dict_rand(dict: Dict) {
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const index = Math.floor(Math.random() * dict.words.size);
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const word = [...dict.words.values()][index];
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return new Simulator(word);
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}
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try_guess(guess: string): GuessResult {
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if (guess === this.word) return { kind: "success" };
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const rest_actual = [...this.word].map((letter) => letter as (string | null));
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const rest_guess = [...guess].map((letter) => letter as (string | null));
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const info = [...range(0, this.word.length)].map(() => null) as (Info | null)[];
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for (const [index, [guessed, actual]] of enumerate(zip(rest_guess, rest_actual))) {
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if (guessed !== actual) continue;
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rest_actual[index] = null;
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rest_guess[index] = null;
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info[index] = { kind: "there" };
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}
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for (const [index, guessed] of enumerate(rest_guess)) {
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if (guessed === null) continue;
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if (!rest_actual.includes(guessed)) continue;
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info[index] = { kind: "somewhere" };
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rest_guess[index] = null;
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// note : removes only one.
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rest_actual[rest_actual.indexOf(guessed)] = null;
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}
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const informations = info.map((i) => i != undefined ? i : ({ kind: "abscent" }) as Info);
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return { kind: "failure", informations };
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}
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}
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112
src/lib/guesser.ts
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112
src/lib/guesser.ts
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import { assertExists } from "https://deno.land/std@0.224.0/assert/assert_exists.ts";
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import { enumerate, range } from "./utils.ts";
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import { Dict } from "./dict.ts";
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import { GuessResult } from "./game/game.ts";
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type Knowledge = {
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letter: string;
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at: Set<number>;
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exists: "unknown" | boolean;
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not_at: Set<number>;
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};
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export class Gueser {
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length;
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dict;
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informations;
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constructor(dict: Dict) {
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this.length = dict.length;
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this.dict = dict;
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this.informations = new Map<string, Knowledge>();
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for (const letter of dict.letters.values()) {
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this.informations.set(letter, { letter, at: new Set(), not_at: new Set(), exists: "unknown" });
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}
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}
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async next_guess(operation: (guess: string, known: string) => GuessResult | Promise<GuessResult>) {
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const res = this.expected_result();
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if (res.completed) return operation(res.result, res.result);
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const words = [...this.dict.words.values()];
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const scored = words.map((word) => [this.info_score_for(word), word] as const);
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const best_score = scored.reduce((acc, [next]) => Math.max(acc, next), 0);
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const bests = scored.filter(([s]) => s === best_score).map(([_, word]) => word);
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const guess = pick_random_common_word(bests);
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const result = await operation(guess, res.result);
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if (result.kind === "success") return guess;
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for (const [index, info] of enumerate(result.informations)) {
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const letter = guess[index];
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if (info.kind === "there") this.learn_letter_at(letter, index);
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if (info.kind === "abscent") this.learn_does_not_exist(letter);
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if (info.kind === "somewhere") {
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this.learn_does_exist(letter);
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this.learn_letter_not_at(letter, index);
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}
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}
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}
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learn_does_not_exist(letter: string) {
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const letter_info = this.informations.get(letter);
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assertExists(letter_info);
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letter_info.exists = false;
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}
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learn_does_exist(letter: string) {
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const letter_info = this.informations.get(letter);
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assertExists(letter_info);
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letter_info.exists = true;
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const total_known = [...this.informations.values()].filter((i) => i.exists === true).length;
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if (total_known < this.length) return;
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for (const info of this.informations.values()) if (info.exists === "unknown") info.exists = false;
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}
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learn_letter_at(letter: string, at: number) {
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const letter_info = this.informations.get(letter);
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assertExists(letter_info);
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letter_info.at.add(at);
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for (const l of this.informations.keys()) {
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if (letter === l) continue;
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this.learn_letter_not_at(l, at);
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}
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}
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learn_letter_not_at(letter: string, at: number) {
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const letter_info = this.informations.get(letter);
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assertExists(letter_info);
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letter_info.not_at.add(at);
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}
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info_score_for(word: string) {
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let total = 0;
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for (const [index, letter] of enumerate(word)) {
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const information = this.informations.get(letter);
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assertExists(information);
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if (information.exists === false) continue;
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if (information.at.has(index)) continue;
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if (information.not_at.has(index)) continue;
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if (information.exists === "unknown") total += this.length;
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if (information.exists === true) total += this.length * this.length;
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}
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const different_letters = new Set([...word]);
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total += different_letters.size;
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return total;
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}
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expected_result() {
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const known_arr = [...range(0, this.length)].map(() => null as string | null);
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for (const [letter, info] of this.informations.entries()) {
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for (const pos of info.at.values()) known_arr[pos] = letter;
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}
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const result = known_arr.map((l) => l === null ? "." : l).join("");
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const completed = !result.includes(".");
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return { completed, result };
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}
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}
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function pick_random_common_word(bests: string[]) {
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const index = Math.floor(Math.random() * bests.length);
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return bests[index];
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}
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229
src/lib/lib.ts
229
src/lib/lib.ts
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import { assertExists } from "https://deno.land/std@0.224.0/assert/assert_exists.ts";
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export type GuessResult = { kind: "success" } | { kind: "failure"; informations: Info[] };
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export class Dict {
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words;
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letters;
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length;
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constructor(words: Set<string>, length: number) {
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this.words = words;
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this.length = length;
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this.letters = new Set([...words.values()].map((w) => w.split("")).flat());
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}
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static async from_file(path: string, length: number) {
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const words = new Set<string>();
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const content = await Deno.readTextFile(path);
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for (const word of content.split("\n")) {
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const word_ = word.trim().toLowerCase();
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if (word_.length !== length) continue;
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for (const forbidden of [" ", "-", "."]) if (word_.includes(forbidden)) continue;
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words.add(remove_accent(word_));
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}
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return new Dict(words, length);
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}
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[Symbol.for("Deno.customInspect")]() {
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return `Dict { ${this.words.size} words }`;
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}
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}
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type Knowledge = {
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letter: string;
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at: Set<number>;
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exists: "unknown" | boolean;
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not_at: Set<number>;
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};
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export class Gueser {
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length;
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dict;
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informations;
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constructor(dict: Dict) {
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this.length = dict.length;
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this.dict = dict;
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this.informations = new Map<string, Knowledge>();
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for (const letter of dict.letters.values()) {
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this.informations.set(letter, { letter, at: new Set(), not_at: new Set(), exists: "unknown" });
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}
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}
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async next_guess(operation: (guess: string, known: string) => GuessResult | Promise<GuessResult>) {
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const res = this.expected_result();
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if (res.completed) return operation(res.result, res.result);
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const words = [...this.dict.words.values()];
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const scored = words.map((word) => [this.info_score_for(word), word] as const);
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const best_score = scored.reduce((acc, [next]) => Math.max(acc, next), 0);
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const bests = scored.filter(([s]) => s === best_score).map(([_, word]) => word);
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const guess = pick_random_common_word(bests);
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const result = await operation(guess, res.result);
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if (result.kind === "success") return guess;
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for (const [index, info] of enumerate(result.informations)) {
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const letter = guess[index];
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if (info.kind === "there") this.learn_letter_at(letter, index);
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if (info.kind === "abscent") this.learn_does_not_exist(letter);
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if (info.kind === "somewhere") {
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this.learn_does_exist(letter);
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this.learn_letter_not_at(letter, index);
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}
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}
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}
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learn_does_not_exist(letter: string) {
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const letter_info = this.informations.get(letter);
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assertExists(letter_info);
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letter_info.exists = false;
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}
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learn_does_exist(letter: string) {
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const letter_info = this.informations.get(letter);
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assertExists(letter_info);
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letter_info.exists = true;
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const total_known = [...this.informations.values()].filter((i) => i.exists === true).length;
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if (total_known < this.length) return;
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for (const info of this.informations.values()) if (info.exists === "unknown") info.exists = false;
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}
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learn_letter_at(letter: string, at: number) {
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const letter_info = this.informations.get(letter);
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assertExists(letter_info);
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letter_info.at.add(at);
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for (const l of this.informations.keys()) {
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if (letter === l) continue;
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this.learn_letter_not_at(l, at);
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}
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}
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learn_letter_not_at(letter: string, at: number) {
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const letter_info = this.informations.get(letter);
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assertExists(letter_info);
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letter_info.not_at.add(at);
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}
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info_score_for(word: string) {
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let total = 0;
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for (const [index, letter] of enumerate(word)) {
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const information = this.informations.get(letter);
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assertExists(information);
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if (information.exists === false) continue;
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if (information.at.has(index)) continue;
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if (information.not_at.has(index)) continue;
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if (information.exists === "unknown") total += this.length;
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if (information.exists === true) total += this.length * this.length;
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}
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const different_letters = new Set([...word]);
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total += different_letters.size;
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return total;
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}
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expected_result() {
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const known_arr = [...range(0, this.length)].map(() => null as string | null);
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for (const [letter, info] of this.informations.entries()) {
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for (const pos of info.at.values()) known_arr[pos] = letter;
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}
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const result = known_arr.map((l) => l === null ? "." : l).join("");
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const completed = !result.includes(".");
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return { completed, result };
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}
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}
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type Info = { kind: "abscent" } | { kind: "somewhere" } | { kind: "there" };
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function remove_accent(text: string) {
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const accents = [
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["à", "a"],
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["â", "a"],
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["ä", "a"],
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["ç", "c"],
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["é", "e"],
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["è", "e"],
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["ê", "e"],
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["ë", "e"],
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["î", "i"],
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["ï", "i"],
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["ô", "o"],
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["ö", "o"],
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["û", "u"],
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];
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let result = text;
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for (const [accent, alternative] of accents) result = result.replaceAll(accent, alternative);
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return result;
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}
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function* enumerate<T>(iterator: Iterable<T>) {
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let index = 0;
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for (const item of iterator) yield [index++, item] as const;
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}
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function* zip<A, B>(iterable_a: Iterable<A>, iterable_b: Iterable<B>) {
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const iter_a = iterable_a[Symbol.iterator]();
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const iter_b = iterable_b[Symbol.iterator]();
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while (true) {
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const next_a = iter_a.next().value;
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const next_b = iter_b.next().value;
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if (next_a === undefined) return;
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if (next_b === undefined) return;
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yield [next_a as A, next_b as B] as const;
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}
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}
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export class Game {
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word;
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constructor(word: string) {
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this.word = word;
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}
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static from_dict_rand(dict: Dict) {
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const index = Math.floor(Math.random() * dict.words.size);
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const word = [...dict.words.values()][index];
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return new Game(word);
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}
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try_guess(guess: string): GuessResult {
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if (guess === this.word) return { kind: "success" };
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const rest_actual = [...this.word].map((letter) => letter as (string | null));
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const rest_guess = [...guess].map((letter) => letter as (string | null));
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const info = [...range(0, this.word.length)].map(() => null) as (Info | null)[];
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for (const [index, [guessed, actual]] of enumerate(zip(rest_guess, rest_actual))) {
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if (guessed !== actual) continue;
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rest_actual[index] = null;
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rest_guess[index] = null;
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info[index] = { kind: "there" };
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}
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for (const [index, guessed] of enumerate(rest_guess)) {
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if (guessed === null) continue;
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if (!rest_actual.includes(guessed)) continue;
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info[index] = { kind: "somewhere" };
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rest_guess[index] = null;
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// note : removes only one.
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rest_actual[rest_actual.indexOf(guessed)] = null;
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}
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const informations = info.map((i) => i != undefined ? i : ({ kind: "abscent" }) as Info);
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return { kind: "failure", informations };
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}
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}
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function* range(from: number, to: number) {
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while (from < to) yield from++;
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}
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export async function wait(ms: number) {
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await new Promise((resolver) => setTimeout(resolver, ms));
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}
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function pick_random_common_word(bests: string[]) {
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const index = Math.floor(Math.random() * bests.length);
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return bests[index];
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}
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export { Dict } from "./dict.ts";
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export { Gueser } from "./guesser.ts";
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export { Simulator } from "./game/simulator.ts";
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45
src/lib/utils.ts
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45
src/lib/utils.ts
Normal file
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@ -0,0 +1,45 @@
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export function* enumerate<T>(iterator: Iterable<T>) {
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let index = 0;
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for (const item of iterator) yield [index++, item] as const;
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}
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export function* zip<A, B>(iterable_a: Iterable<A>, iterable_b: Iterable<B>) {
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const iter_a = iterable_a[Symbol.iterator]();
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const iter_b = iterable_b[Symbol.iterator]();
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while (true) {
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const next_a = iter_a.next().value;
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const next_b = iter_b.next().value;
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if (next_a === undefined) return;
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if (next_b === undefined) return;
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yield [next_a as A, next_b as B] as const;
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}
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}
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export function* range(from: number, to: number) {
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while (from < to) yield from++;
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}
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||||
|
||||
export async function wait(ms: number) {
|
||||
await new Promise((resolver) => setTimeout(resolver, ms));
|
||||
}
|
||||
|
||||
export function remove_accent(text: string) {
|
||||
const accents = [
|
||||
["à", "a"],
|
||||
["â", "a"],
|
||||
["ä", "a"],
|
||||
["ç", "c"],
|
||||
["é", "e"],
|
||||
["è", "e"],
|
||||
["ê", "e"],
|
||||
["ë", "e"],
|
||||
["î", "i"],
|
||||
["ï", "i"],
|
||||
["ô", "o"],
|
||||
["ö", "o"],
|
||||
["û", "u"],
|
||||
];
|
||||
let result = text;
|
||||
for (const [accent, alternative] of accents) result = result.replaceAll(accent, alternative);
|
||||
return result;
|
||||
}
|
||||
|
|
@ -1,13 +1,15 @@
|
|||
#!/usr/bin/env -S deno run --allow-read
|
||||
|
||||
import { Dict, Game, Gueser, GuessResult, wait } from "./lib/lib.ts";
|
||||
import { GuessResult } from "./lib/game/game.ts";
|
||||
import { Dict, Gueser, Simulator } from "./lib/lib.ts";
|
||||
import { wait } from "./lib/utils.ts";
|
||||
|
||||
async function main() {
|
||||
const length = 6;
|
||||
const dict = await Dict.from_file("./data/liste_francais.txt", length);
|
||||
console.log(dict);
|
||||
const guesser = new Gueser(dict);
|
||||
const game = Game.from_dict_rand(dict);
|
||||
const game = Simulator.from_dict_rand(dict);
|
||||
console.log("Target is", game.word);
|
||||
let index = 0;
|
||||
while (true) {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue