This commit is contained in:
Lewis Dale 2023-12-01 09:40:09 +00:00
commit 578ff6d52e
5 changed files with 326 additions and 0 deletions

3
.gitignore vendored Normal file
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node_modules
inputs
.idea

74
day_one.ts Normal file
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import fs from 'fs';
const DIGIT_REGEX = new RegExp(/(?=(\d|one|two|three|four|five|six|seven|eight|nine))/g);
function parseDigit(digit: string): string {
switch (digit) {
case "one": return "1";
case "two": return "2";
case "three": return "3";
case "four": return "4";
case "five": return "5";
case "six": return "6";
case "seven": return "7";
case "eight": return "8";
case "nine": return "9";
default: return digit;
}
}
function parseLine(line: string): number {
const matches = line.matchAll(DIGIT_REGEX);
if (!matches) return 0;
const converted = [...matches].flatMap(((matchArray) => matchArray.map(parseDigit))).filter(digit => digit.length);
console.log(converted);
const str = `${converted[0]}${converted[converted.length - 1]}`;
const parsed = parseInt(str, 10);
if (isNaN(parsed)) {
return 0;
}
return parsed;
}
function calculateCalibration(lines: string[]): number {
return lines.reduce((calibration, line) => {
const parsed = parseLine(line);
if (isNaN(parsed)) {
return calibration;
}
return calibration + parsed;
}, 0);
}
function dayOne() {
const lines = fs.readFileSync("./inputs/day_one.txt").toString('utf-8').split('\n');
console.log(calculateCalibration(lines));
}
function test() {
const expected = 83;
const result = calculateCalibration([
'two1nine',
'eightwothree',
'abcone2threexyz',
'xtwone3four',
'4nineeightseven2',
'zoneight234',
'7pqrstsixteen',
'eighthree',
'sevenine'
])
if (result !== expected) {
throw new Error(`Expected ${expected} but got ${result}`);
}
}
test();
dayOne();

16
package.json Normal file
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{
"name": "aoc2023test",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"devDependencies": {
"@types/node": "^20.10.1",
"ts-node": "^10.9.1",
"typescript": "^5.3.2"
}
}

109
tsconfig.json Normal file
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// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
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/* JavaScript Support */
// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
/* Emit */
// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
// "declarationMap": true, /* Create sourcemaps for d.ts files. */
// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
// "sourceMap": true, /* Create source map files for emitted JavaScript files. */
// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
// "outDir": "./", /* Specify an output folder for all emitted files. */
// "removeComments": true, /* Disable emitting comments. */
// "noEmit": true, /* Disable emitting files from a compilation. */
// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
// "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types. */
// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
// "newLine": "crlf", /* Set the newline character for emitting files. */
// "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
// "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */
// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
// "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */
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// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
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"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */
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// "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
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// "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */
// "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */
// "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */
// "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */
// "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */
// "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
// "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */
// "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */
// "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */
// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */
// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
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yarn.lock Normal file
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