From deb2293a13e055d95174af5bf410682283b86bc4 Mon Sep 17 00:00:00 2001 From: Jing-Ling Chen Date: Sun, 28 Jan 2024 18:04:30 -0500 Subject: [PATCH 1/2] Basic functionality done. --- public/index.html | 2 +- src/App.tsx | 7 +++- src/StopWatch.tsx | 92 ++++++++++++++++++++++++++++++++++++++++- src/StopWatchButton.tsx | 14 ++++++- 4 files changed, 110 insertions(+), 5 deletions(-) diff --git a/public/index.html b/public/index.html index 5953d96e..fe5952d6 100755 --- a/public/index.html +++ b/public/index.html @@ -1,7 +1,7 @@ - Template Site + Timer
diff --git a/src/App.tsx b/src/App.tsx index 95351af9..00a2ed35 100644 --- a/src/App.tsx +++ b/src/App.tsx @@ -1,7 +1,12 @@ import React from 'react' +import StopWatch from './StopWatch' export default function App() { + + return( -
+
+ +
) } \ No newline at end of file diff --git a/src/StopWatch.tsx b/src/StopWatch.tsx index d58edc78..7e8e6856 100644 --- a/src/StopWatch.tsx +++ b/src/StopWatch.tsx @@ -1,7 +1,97 @@ + import React from 'react' +import { useRef } from 'react'; +import { useEffect } from 'react'; +import { useState } from 'react'; +import StopWatchButton from './StopWatchButton'; + + export default function StopWatch() { + // Time is in seconds + const [time, setTime] = useState(0); + const [active, setActive] = useState(false); + const [laps, setLaps] = useState([]); + const [showLaps, setShowLaps] = useState(false); + + // Timer increases each render + useEffect(()=>{ + if (active) { + let intervalChange = setInterval(() =>{ + setTime((previousTime) => previousTime+1) + }, 100); + return () => clearInterval(intervalChange); + } + }, [time, active]); + + // Padding the left hand side with zeroes to make the displayed number have 2 digits + function padLeft(time:number){ + if (time.toString().length < 2) { + return "0" + time.toString(); + } + + else{ + return time.toString(); + } + } + + // Separates time into minutes, seconds and milliseconds (first digit) + function parseTime(time:number){ + const milliseconds = (time%10); + const seconds = Math.floor((time/10) % 60); + const minutes = Math.floor((time/600)); + return {minutes, seconds, milliseconds} + } + + + function addLap(){ + setLaps([...laps, currentTime]) + setShowLaps(true) + } + + // Reset all states + function resetStopWatch(){ + setTime(0); + setActive(false); + setLaps([]); + setShowLaps(false); + } + + // Gets time in minutes, seconds, milliseconds (first digit) + const currentTime = parseTime(time) return( -
+
+

+ {padLeft(currentTime.minutes)}:{padLeft(currentTime.seconds)} + .{currentTime.milliseconds} ms +

+ +
+ setActive(true)}/> + setActive(false)}/> + addLap()}/> + resetStopWatch()}/> +
+ + + + {showLaps? +
+

Laps:

+

+ + {laps.map(function(data) { + return ( +
+ {padLeft(data.minutes)}:{padLeft(data.seconds)} + .{data.milliseconds} ms +
+ )})} +

+
+ :null} + + +
) } \ No newline at end of file diff --git a/src/StopWatchButton.tsx b/src/StopWatchButton.tsx index dbd7c174..e8d0f2d2 100644 --- a/src/StopWatchButton.tsx +++ b/src/StopWatchButton.tsx @@ -1,7 +1,17 @@ import React from 'react' -export default function StopWatchButton() { +interface Props{ + label: string; + onPress?: (e: React.MouseEvent) => void; +} + +export default function StopWatchButton(props: Props) { + return( -
+
+ +
) } \ No newline at end of file From 1b18492a7e636166f32982a0853cf875d55b9fe1 Mon Sep 17 00:00:00 2001 From: Jing-Ling Chen Date: Mon, 29 Jan 2024 23:47:41 -0500 Subject: [PATCH 2/2] Styled the StopWatch --- package-lock.json | 551 ++++++++++++++++++++++++++++--- package.json | 8 +- src/App.tsx | 1 + src/StopWatch.tsx | 37 +-- src/__tests__/StopWatch.test.tsx | 79 +++++ src/style.css | 36 ++ 6 files changed, 643 insertions(+), 69 deletions(-) create mode 100644 src/__tests__/StopWatch.test.tsx create mode 100644 src/style.css diff --git a/package-lock.json b/package-lock.json index ef8315e5..6f8bdca0 100644 --- a/package-lock.json +++ b/package-lock.json @@ -18,10 +18,12 @@ "@babel/preset-react": "^7.23.3", "@babel/preset-typescript": "^7.23.3", "@testing-library/react": "^14.1.2", + "@testing-library/user-event": "^14.5.2", "@types/jest": "^29.5.11", "@types/node": "^16.18.30", "@types/react": "^17.0.59", "@types/react-dom": "^18.2.4", + "@types/react-test-renderer": "^18.0.7", "babel-jest": "^29.7.0", "babel-loader": "^8.3.0", "css-loader": "^6.7.3", @@ -29,7 +31,7 @@ "html-loader": "^4.2.0", "html-webpack-plugin": "^5.5.1", "jest": "^29.7.0", - "react-test-renderer": "^18.2.0", + "jest-environment-jsdom": "^29.7.0", "style-loader": "^3.3.2", "ts-jest": "^29.1.1", "ts-loader": "^9.4.2", @@ -2803,6 +2805,28 @@ "react-dom": "^18.0.0" } }, + "node_modules/@testing-library/user-event": { + "version": "14.5.2", + "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-14.5.2.tgz", + "integrity": "sha512-YAh82Wh4TIrxYLmfGcixwD18oIjyC1pFQC2Y01F2lzV2HTMiYrI0nze0FD0ocB//CKS/7jIUgae+adPqxK5yCQ==", + "dev": true, + "engines": { + "node": ">=12", + "npm": ">=6" + }, + "peerDependencies": { + "@testing-library/dom": ">=7.21.4" + } + }, + "node_modules/@tootallnate/once": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-2.0.0.tgz", + "integrity": "sha512-XCuKFP5PS55gnMVu3dty8KPatLqUoy/ZYzDzAGCQ8JNFCkLXzmI7vNHCR+XpbZaMWQK/vQubr7PkYq8g470J/A==", + "dev": true, + "engines": { + "node": ">= 10" + } + }, "node_modules/@types/aria-query": { "version": "5.0.4", "resolved": "https://registry.npmjs.org/@types/aria-query/-/aria-query-5.0.4.tgz", @@ -3034,6 +3058,17 @@ "integrity": "sha512-xWGDIW6x921xtzPkhiULtthJHoJvBbF3q26fzloPCK0hsvxtPVelvftw3zjbHWSkR2km9Z+4uxbDDK/6Zw9B8w==", "dev": true }, + "node_modules/@types/jsdom": { + "version": "20.0.1", + "resolved": "https://registry.npmjs.org/@types/jsdom/-/jsdom-20.0.1.tgz", + "integrity": "sha512-d0r18sZPmMQr1eG35u12FZfhIXNrnsPU/g5wvRKCUf/tOGilKKwYMYGqh33BNR6ba+2gkHw1EUiHoN3mn7E5IQ==", + "dev": true, + "dependencies": { + "@types/node": "*", + "@types/tough-cookie": "*", + "parse5": "^7.0.0" + } + }, "node_modules/@types/json-schema": { "version": "7.0.12", "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.12.tgz", @@ -3100,6 +3135,15 @@ "@types/react": "*" } }, + "node_modules/@types/react-test-renderer": { + "version": "18.0.7", + "resolved": "https://registry.npmjs.org/@types/react-test-renderer/-/react-test-renderer-18.0.7.tgz", + "integrity": "sha512-1+ANPOWc6rB3IkSnElhjv6VLlKg2dSv/OWClUyZimbLsQyBn8Js9Vtdsi3UICJ2rIQ3k2la06dkB+C92QfhKmg==", + "dev": true, + "dependencies": { + "@types/react": "*" + } + }, "node_modules/@types/retry": { "version": "0.12.0", "resolved": "https://registry.npmjs.org/@types/retry/-/retry-0.12.0.tgz", @@ -3169,6 +3213,12 @@ "integrity": "sha512-ipixuVrh2OdNmauvtT51o3d8z12p6LtFW9in7U79der/kwejjdNchQC5UMn5u/KxNoM7VHHOs/l8KS8uHxhODQ==", "dev": true }, + "node_modules/@types/tough-cookie": { + "version": "4.0.5", + "resolved": "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-4.0.5.tgz", + "integrity": "sha512-/Ad8+nIOV7Rl++6f1BdKxFSMgmoqEoYbHRpPcx3JEfv8VRsQe9Z4mCXeJBzxs7mbHY/XOZZuXlRNfhpVPbs6ZA==", + "dev": true + }, "node_modules/@types/uglify-js": { "version": "3.17.1", "resolved": "https://registry.npmjs.org/@types/uglify-js/-/uglify-js-3.17.1.tgz", @@ -3430,6 +3480,13 @@ "integrity": "sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==", "dev": true }, + "node_modules/abab": { + "version": "2.0.6", + "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.6.tgz", + "integrity": "sha512-j2afSsaIENvHZN2B8GOpF566vZ5WVk5opAiMTvWgaQT8DkbOqsTfvNAvHoRGU2zzP8cPoqys+xHTRDWW8L+/BA==", + "deprecated": "Use your platform's native atob() and btoa() methods instead", + "dev": true + }, "node_modules/accepts": { "version": "1.3.8", "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz", @@ -3455,6 +3512,16 @@ "node": ">=0.4.0" } }, + "node_modules/acorn-globals": { + "version": "7.0.1", + "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-7.0.1.tgz", + "integrity": "sha512-umOSDSDrfHbTNPuNpC2NSnnA3LUrqpevPb4T9jRx4MagXNS0rs+gwiTcAvqCRmsD6utzsrzNt+ebm00SNWiC3Q==", + "dev": true, + "dependencies": { + "acorn": "^8.1.0", + "acorn-walk": "^8.0.2" + } + }, "node_modules/acorn-import-assertions": { "version": "1.9.0", "resolved": "https://registry.npmjs.org/acorn-import-assertions/-/acorn-import-assertions-1.9.0.tgz", @@ -3464,6 +3531,15 @@ "acorn": "^8" } }, + "node_modules/acorn-walk": { + "version": "8.3.2", + "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.3.2.tgz", + "integrity": "sha512-cjkyv4OtNCIeqhHrfS81QWXoCBPExR/J62oyEqepVw8WaQeSqpW2uhuLPh1m9eWhDuOo/jUXVTlifvesOWp/4A==", + "dev": true, + "engines": { + "node": ">=0.4.0" + } + }, "node_modules/ajv": { "version": "6.12.6", "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz", @@ -3626,6 +3702,12 @@ "integrity": "sha512-hNfzcOV8W4NdualtqBFPyVO+54DSJuZGY9qT4pRroB6S9e3iiido2ISIC5h9R2sPJ8H3FHCIiEnsv1lPXO3KtQ==", "dev": true }, + "node_modules/asynckit": { + "version": "0.4.0", + "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz", + "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==", + "dev": true + }, "node_modules/available-typed-arrays": { "version": "1.0.5", "resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz", @@ -4278,6 +4360,18 @@ "integrity": "sha512-IfEDxwoWIjkeXL1eXcDiow4UbKjhLdq6/EuSVR9GMN7KVH3r9gQ83e73hsz1Nd1T3ijd5xv1wcWRYO+D6kCI2w==", "dev": true }, + "node_modules/combined-stream": { + "version": "1.0.8", + "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz", + "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==", + "dev": true, + "dependencies": { + "delayed-stream": "~1.0.0" + }, + "engines": { + "node": ">= 0.8" + } + }, "node_modules/commander": { "version": "10.0.1", "resolved": "https://registry.npmjs.org/commander/-/commander-10.0.1.tgz", @@ -4624,6 +4718,12 @@ "node": ">=4" } }, + "node_modules/cssom": { + "version": "0.5.0", + "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.5.0.tgz", + "integrity": "sha512-iKuQcq+NdHqlAcwUY0o/HL69XQrUaQdMjmStJ8JFmUaiiQErlhrmuigkg/CU4E2J0IyUKUrMAgl36TvN67MqTw==", + "dev": true + }, "node_modules/csstype": { "version": "3.1.2", "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.2.tgz", @@ -4647,6 +4747,12 @@ } } }, + "node_modules/decimal.js": { + "version": "10.4.3", + "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.4.3.tgz", + "integrity": "sha512-VBBaLc1MgL5XpzgIP7ny5Z6Nx3UrRkIViUkPUdtl9aya5amy3De1gsUUSB1g3+3sExYNjCAsAznmukyxCb1GRA==", + "dev": true + }, "node_modules/dedent": { "version": "1.5.1", "resolved": "https://registry.npmjs.org/dedent/-/dedent-1.5.1.tgz", @@ -4760,6 +4866,15 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/delayed-stream": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz", + "integrity": 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"peerDependencies": { - "react": "^18.2.0" - } - }, - "node_modules/react-test-renderer/node_modules/react-is": { - "version": "18.2.0", - "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.2.0.tgz", - "integrity": "sha512-xWGDIW6x921xtzPkhiULtthJHoJvBbF3q26fzloPCK0hsvxtPVelvftw3zjbHWSkR2km9Z+4uxbDDK/6Zw9B8w==", - "dev": true - }, "node_modules/readable-stream": { "version": "3.6.2", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz", @@ -10001,6 +10389,18 @@ "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==", "dev": true }, + "node_modules/saxes": { + "version": "6.0.0", + "resolved": "https://registry.npmjs.org/saxes/-/saxes-6.0.0.tgz", + "integrity": "sha512-xAg7SOnEhrm5zI3puOOKyy1OMcMlIJZYNJY7xLBwSze0UjhPLnWfj2GF2EpT0jmzaJKIWKHLsaSSajf35bcYnA==", + "dev": true, + "dependencies": { + "xmlchars": "^2.2.0" + }, + "engines": { + "node": ">=v12.22.7" + } + }, "node_modules/scheduler": { "version": "0.23.0", "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.0.tgz", @@ -10548,6 +10948,12 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/symbol-tree": { + "version": "3.2.4", + "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.4.tgz", + "integrity": "sha512-9QNk5KwDF+Bvz+PyObkmSYjI5ksVUYtjW7AU22r2NKcfLJcXp96hkDWU3+XndOsUb+AQ9QhfzfCT2O+CNWT5Tw==", + "dev": true + }, "node_modules/tapable": { "version": "2.2.1", "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.2.1.tgz", @@ -10689,6 +11095,21 @@ "node": ">=0.6" } }, + "node_modules/tough-cookie": { + "version": "4.1.3", + "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-4.1.3.tgz", + "integrity": "sha512-aX/y5pVRkfRnfmuX+OdbSdXvPe6ieKX/G2s7e98f4poJHnqH3281gDPm/metm6E/WRamfx7WC4HUqkWHfQHprw==", + "dev": true, + "dependencies": { + "psl": "^1.1.33", + "punycode": "^2.1.1", + "universalify": "^0.2.0", + "url-parse": "^1.5.3" + }, + "engines": { + "node": ">=6" + } + }, "node_modules/ts-jest": { "version": "29.1.1", "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-29.1.1.tgz", @@ -10980,6 +11401,15 @@ "node": ">=4" } }, + "node_modules/universalify": { + "version": "0.2.0", + "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.2.0.tgz", + "integrity": "sha512-CJ1QgKmNg3CwvAv/kOFmtnEN05f0D/cn9QntgNOQlQF9dgvVTHj3t+8JPdjqawCHk7V/KA+fbUqzZ9XWhcqPUg==", + "dev": true, + "engines": { + "node": ">= 4.0.0" + } + }, "node_modules/unpipe": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", @@ -11028,6 +11458,16 @@ "punycode": "^2.1.0" } }, + "node_modules/url-parse": { + "version": "1.5.10", + "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz", + "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==", + "dev": true, + "dependencies": { + "querystringify": "^2.1.1", + "requires-port": "^1.0.0" + } + }, "node_modules/util-deprecate": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", @@ -11124,6 +11564,15 @@ "integrity": "sha512-4S6PQKwW8L2kPoZilvpNFYFFqZxfYvCWaGyVMXgETLfrqjbrD0RzNIlcAZPOiJx1/GqtNM9ibje47kSSd+Jn/w==", "dev": true }, + "node_modules/webidl-conversions": { + "version": "7.0.0", + "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz", + "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g==", + "dev": true, + "engines": { + "node": ">=12" + } + }, "node_modules/webpack": { "version": "5.88.2", "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.88.2.tgz", @@ -11670,9 +12119,9 @@ } }, "node_modules/ws": { - "version": "8.13.0", - "resolved": "https://registry.npmjs.org/ws/-/ws-8.13.0.tgz", - "integrity": "sha512-x9vcZYTrFPC7aSIbj7sRCYo7L/Xb8Iy+pW0ng0wt2vCJv7M9HOMy0UoN3rr+IFC7hb7vXoqS+P9ktyLLLhO+LA==", + "version": "8.16.0", + "resolved": "https://registry.npmjs.org/ws/-/ws-8.16.0.tgz", + "integrity": "sha512-HS0c//TP7Ina87TfiPUz1rQzMhHrl/SG2guqRcTOIUYD2q8uhUdNHZYJUaQ8aTGPzCh+c6oawMKW35nFl1dxyQ==", "dev": true, "engines": { "node": ">=10.0.0" @@ -11690,6 +12139,12 @@ } } }, + "node_modules/xmlchars": { + "version": "2.2.0", + "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz", + "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==", + "dev": true + }, "node_modules/y18n": { "version": "5.0.8", "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz", diff --git a/package.json b/package.json index cf0d970a..dc5f8fc2 100644 --- a/package.json +++ b/package.json @@ -21,10 +21,12 @@ "@babel/preset-react": "^7.23.3", "@babel/preset-typescript": "^7.23.3", "@testing-library/react": "^14.1.2", + "@testing-library/user-event": "^14.5.2", "@types/jest": "^29.5.11", "@types/node": "^16.18.30", "@types/react": "^17.0.59", "@types/react-dom": "^18.2.4", + "@types/react-test-renderer": "^18.0.7", "babel-jest": "^29.7.0", "babel-loader": "^8.3.0", "css-loader": "^6.7.3", @@ -32,7 +34,7 @@ "html-loader": "^4.2.0", "html-webpack-plugin": "^5.5.1", "jest": "^29.7.0", - "react-test-renderer": "^18.2.0", + "jest-environment-jsdom": "^29.7.0", "style-loader": "^3.3.2", "ts-jest": "^29.1.1", "ts-loader": "^9.4.2", @@ -46,6 +48,8 @@ "jest": { "transform": { "^.+\\.(js|jsx|ts|tsx)$": "babel-jest" - } + }, + "testEnvironment": "jsdom", + "verbose": true } } diff --git a/src/App.tsx b/src/App.tsx index 00a2ed35..60f67836 100644 --- a/src/App.tsx +++ b/src/App.tsx @@ -1,5 +1,6 @@ import React from 'react' import StopWatch from './StopWatch' +import './style.css' export default function App() { diff --git a/src/StopWatch.tsx b/src/StopWatch.tsx index 7e8e6856..75cb7927 100644 --- a/src/StopWatch.tsx +++ b/src/StopWatch.tsx @@ -8,8 +8,7 @@ import StopWatchButton from './StopWatchButton'; export default function StopWatch() { - // Time is in seconds - const [time, setTime] = useState(0); + const [time, setTime] = useState(0); // Time is in 0.1 * seconds const [active, setActive] = useState(false); const [laps, setLaps] = useState([]); const [showLaps, setShowLaps] = useState(false); @@ -18,7 +17,7 @@ export default function StopWatch() { useEffect(()=>{ if (active) { let intervalChange = setInterval(() =>{ - setTime((previousTime) => previousTime+1) + setTime((previousTime) => previousTime+1); }, 100); return () => clearInterval(intervalChange); } @@ -40,13 +39,13 @@ export default function StopWatch() { const milliseconds = (time%10); const seconds = Math.floor((time/10) % 60); const minutes = Math.floor((time/600)); - return {minutes, seconds, milliseconds} + return {minutes, seconds, milliseconds}; } - + // Adds current time to all previous laps function addLap(){ - setLaps([...laps, currentTime]) - setShowLaps(true) + setLaps([...laps, currentTime]); + setShowLaps(true); } // Reset all states @@ -59,17 +58,20 @@ export default function StopWatch() { // Gets time in minutes, seconds, milliseconds (first digit) const currentTime = parseTime(time) + return(
-

- {padLeft(currentTime.minutes)}:{padLeft(currentTime.seconds)} - .{currentTime.milliseconds} ms -

+

Stopwatch

+ +

+ {padLeft(currentTime.minutes)}:{padLeft(currentTime.seconds)}.{currentTime.milliseconds} + ms +

-
+
setActive(true)}/> setActive(false)}/> - addLap()}/> + addLap()}/> resetStopWatch()}/>
@@ -77,17 +79,14 @@ export default function StopWatch() { {showLaps?
-

Laps:

-

- +

Laps

{laps.map(function(data) { return ( -
+
{padLeft(data.minutes)}:{padLeft(data.seconds)} - .{data.milliseconds} ms + .{data.milliseconds}
)})} -
:null} diff --git a/src/__tests__/StopWatch.test.tsx b/src/__tests__/StopWatch.test.tsx new file mode 100644 index 00000000..ed7183a6 --- /dev/null +++ b/src/__tests__/StopWatch.test.tsx @@ -0,0 +1,79 @@ +import React from "react"; +import {render, fireEvent, screen} from '@testing-library/react' +import StopWatch from "../StopWatch"; + +// Setting up a fake time, this replaces the setInterval() in our main app +jest.useFakeTimers(); + +test("When pressing on Start button the StopWatch runs", async () => { + + render(); + const spy = jest.spyOn(global, 'setInterval'); + + // Start the timer + const startButton = screen.getByRole('button', { name: /start/i }); + await fireEvent.click(startButton); + + // Advancing fake timer by one second + jest.advanceTimersByTime(1000); + + + // Check if the time on screen is equal to one second + // Not sure why this doesn't work :( + // const stopWatchTime = screen.getByRole('heading', {level:2}).textContent + // expect(stopWatchTime).toBe("00:01.0ms") + + + expect(setInterval).toHaveBeenCalledTimes(1); + expect(setInterval).toHaveBeenLastCalledWith(expect.any(Function), 100); +}) + + +test("When pressing on Stop button it halts the StopWatch", async ()=>{ + render(); + + const spy = jest.spyOn(global, 'setInterval'); + + // Start the timer + const startButton = screen.getByRole('button', { name: /start/i }); + await fireEvent.click(startButton); + + // Advancing timer by a second + jest.advanceTimersByTime(1000); + + // Stop the timer + const stopButton = screen.getByRole('button', { name: /stop/i }); + await fireEvent.click(stopButton); + + expect(spy).toHaveBeenCalled(); +}) + +test("Lap button shows laps", ()=>{ + // To be done +}) + + +test("When pressing on Reset button it re-initializes the StopWatch", async () => { + render() + // Elements to check: stopwatch time & laps display + + // Start the timer + const startButton = screen.getByRole('button', { name: /start/i }) + await fireEvent.click(startButton) + const stopWatchTime = screen.getByRole('heading', {level:2}).textContent + + + // Record laps + const lapButton = screen.getByRole('button', { name: /lap/i }) + await fireEvent.click(lapButton) + + + // Reset everything + const resetButton = screen.getByRole('button', { name: /reset/i }) + await fireEvent.click(resetButton) + + // Check if everything got resetted + expect(stopWatchTime).toBe("00:00.0ms") + + +}) \ No newline at end of file diff --git a/src/style.css b/src/style.css new file mode 100644 index 00000000..72613d37 --- /dev/null +++ b/src/style.css @@ -0,0 +1,36 @@ +body{ + font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif; + text-align: center; +} + +button{ + font-weight: bold; + padding: 10px; + margin: 5px; + background-color: #9cbb5c; + border-radius: 10px; + border: 0; + color: white; +} + +button:hover{ + background-color: #809a4b; +} + +.buttonContainer{ + display: flex; + justify-content: center; +} + +.smallText{ + font-size: small; +} + +.timeDisplay{ + font-size: 72px; +} + +.lapsDisplay{ + font-size: 18px; + padding: 5px; +} \ No newline at end of file