diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..80043d7 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,123 @@ +{ + "name": "js-scrabble", + "version": "1.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "add-matchers": { + "version": "0.5.0", + "resolved": "https://registry.npmjs.org/add-matchers/-/add-matchers-0.5.0.tgz", + "integrity": "sha1-UCGQ5HUM1XIWGDkyaLYaFXNm52U=" + }, + "balanced-match": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz", + "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=" + }, + "brace-expansion": { + "version": "1.1.8", + "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz", + "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=", + "requires": { + "balanced-match": "1.0.0", + "concat-map": "0.0.1" + } + }, + "concat-map": { + "version": "0.0.1", + "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz", + "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=" + }, + "eslint-plugin-jasmine": { + "version": "2.9.1", + "resolved": "https://registry.npmjs.org/eslint-plugin-jasmine/-/eslint-plugin-jasmine-2.9.1.tgz", + "integrity": "sha1-IuGaWfFvOl9kOgSroEQ40OMEcDA=" + }, + "exit": { + "version": "0.1.2", + "resolved": "https://registry.npmjs.org/exit/-/exit-0.1.2.tgz", + "integrity": "sha1-BjJjj42HfMghB9MKD/8aF8uhzQw=" + }, + "fs.realpath": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz", + "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=" + }, + "glob": { + "version": "7.1.2", + "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz", + "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==", + "requires": { + "fs.realpath": "1.0.0", + "inflight": "1.0.6", + "inherits": "2.0.3", + "minimatch": "3.0.4", + "once": "1.4.0", + "path-is-absolute": "1.0.1" + } + }, + "inflight": { + "version": "1.0.6", + "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz", + "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=", + "requires": { + "once": "1.4.0", + "wrappy": "1.0.2" + } + }, + "inherits": { + "version": "2.0.3", + "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz", + "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=" + }, + "jasmine": { + "version": "2.8.0", + "resolved": "https://registry.npmjs.org/jasmine/-/jasmine-2.8.0.tgz", + "integrity": "sha1-awicChFXax8W3xG4AUbZHU6Lij4=", + "requires": { + "exit": "0.1.2", + "glob": "7.1.2", + "jasmine-core": "2.8.0" + } + }, + "jasmine-core": { + "version": "2.8.0", + "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-2.8.0.tgz", + "integrity": "sha1-vMl5rh+f0FcB5F5S5l06XWPxok4=" + }, + "jasmine-expect": { + "version": "3.8.1", + "resolved": "https://registry.npmjs.org/jasmine-expect/-/jasmine-expect-3.8.1.tgz", + "integrity": "sha512-klARdR5AVX9nZhHhYDlbDYgxgi6kl9DGS0vguhaioKoSwr8HL1uOQ7FFUBASq/sqBL/s2nkh/1efqZ2ugcknFA==", + "requires": { + "add-matchers": "0.5.0" + } + }, + "minimatch": { + "version": "3.0.4", + "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz", + "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==", + "requires": { + "brace-expansion": "1.1.8" + } + }, + "once": { + "version": "1.4.0", + "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz", + "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=", + "requires": { + "wrappy": "1.0.2" + } + }, + "path-is-absolute": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz", + "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=" + }, + "wrappy": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", + "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=" + } + } +} diff --git a/scrabble.js b/scrabble.js index 7a1f161..cb05f99 100644 --- a/scrabble.js +++ b/scrabble.js @@ -1,14 +1,106 @@ -const Scrabble = { - score: function(word) { - // TODO: implement score - } - // TODO: add the highestScoreFrom method +const Scrabble = { + score: function (word) { + let score = word.length === 7 ? 50 : 0; + const LETTER_TO_VALUE = { + A: 1, E: 1, I: 1, O: 1, U: 1, L: 1, N: 1, + R: 1, S: 1, T: 1, D: 2, G: 2, B: 3, C: 3, + M: 3, P: 3, F: 4, H: 4, V: 4, W: 4, Y: 4, + K: 5, J: 8, X: 8, Q: 10, Z: 10, + }; + const ALPHA = /[a-zA-Z]/; + function ArgumentError(message) { + this.message = message; + this.name = 'ArgumentError'; + } + if (word.length > 7 || word.length < 1) { + throw new ArgumentError('Invalid word length detected'); + } + word.split('').forEach((letter) => { + if (letter.match(ALPHA)) { + score += parseInt(LETTER_TO_VALUE[letter.toUpperCase()], 10); + } else { + throw new ArgumentError('Invalid characters detected'); + } + }); + return score; + }, + highestScoreFrom: function (array) { + if (Array.isArray(array) !== true || array.length === 0) { + throw new Error('Requires at least one word'); + } + if (array.length === 1) { + return array[0]; + } + if (Scrabble.score(array[0]) > Scrabble.score(array[1])) { + return array[0]; + } else if (Scrabble.score(array[0]) < Scrabble.score(array[1])) { + return array[1]; + } else if (Scrabble.score(array[0]) === Scrabble.score(array[1])) { + if (array[0].length === 7) { + return array[0]; + } else if (array[1].length === 7) { + return array[1]; + } else { + if (array[0].length < array[1].length) { + return array[0]; + } else if (array[0].length > array[1].length) { + return array[1]; + } + return array[0]; + } + } + }, }; Scrabble.Player = class { - // TODO: implement the Player class + constructor(name) { + if (typeof name !== 'string') { + throw new Error('Must provide player name as a string'); + } + this.name = name; + this.plays = []; + } + play(word) { + if (this.hasWon()) { + return false; + } + Scrabble.score(word); + this.plays.push(word); + return true; + } + totalScore() { + const total = + this.plays.reduce(function(total, word) { + return total + Scrabble.score(word); + }, 0); + return total; + } + hasWon() { + if (this.totalScore() < 100) { + return false; + } + return true; + } + highestWordScore() { + if (this.plays.length === 0) { + throw new Error('Requires at least one played word'); + } + const scores = + this.plays.map(word => Scrabble.score(word)); + return Math.max(...scores); + } + highestScoringWord() { + const highest = this.highestWordScore(); + let returningWord = null; + this.plays.forEach((word) => { + if (Scrabble.score(word) === highest) { + returningWord = word; + } + }); + return returningWord; + } }; module.exports = Scrabble; diff --git a/spec/scrabble_spec.js b/spec/scrabble_spec.js index c195a03..78a5a60 100644 --- a/spec/scrabble_spec.js +++ b/spec/scrabble_spec.js @@ -1,3 +1,4 @@ +/*eslint-disable*/ const Scrabble = require('../scrabble'); describe('score', function() {