52 lines
1.3 KiB
TypeScript
52 lines
1.3 KiB
TypeScript
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const numberTable: Record<string, string> = {
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"one": "1",
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"two": "2",
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"three": "3",
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"four": "4",
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"five": "5",
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"six": "6",
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"seven": "7",
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"eight": "8",
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"nine": "9"
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}
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const matchBackTable: Record<string, number> = {
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// `eight` is started with spell e. `oneight` is one, eight.
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"one": 1,
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"two": 1,
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"three": 1,
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"four": 0,
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"five": 1,
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}
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function findFirstNumber(line: string) {
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for (let i = 0; i < line.length; i++) {
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const front = line.slice(i);
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}
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}
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function transformLine(line: string) {
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// find first number
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const re = /[0-9]+/;
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const firstNumber = line.match(re)?.[0];
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console.log(line);
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console.log(firstNumber);
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return parseInt(firstNumber || "");
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const numbersExp = line.matchAll(re);
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const numbers = [...numbersExp].map(n => {
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if (n[0] in numberTable) {
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return numberTable[n[0]];
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}
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return n[0];
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});
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console.log(line)
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console.log(numbers);
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return parseInt(numbers[0] + numbers[numbers.length - 1]);
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}
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transformLine("eightwothree")
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// const input = await Deno.readTextFile("input.txt");
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// const lines = input.split("\n");
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// const numbers = lines.map(transformLine);
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// console.log(numbers.reduce((a, b) => a + b));
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