RabbitLabs/random-bunny
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rewrite in typescript

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This commit is contained in:
Ethan Lane 2021-12-01 20:32:20 +00:00
parent a3841f5f37
commit f673339d90
Signed by: Vylpes
GPG key ID: EED233CC06D12504
10 changed files with 211 additions and 129 deletions
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2
.gitignore vendored
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@ -1,2 +1,2 @@
node_modules
app.js
dist

2
.npmignore
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@ -1 +1 @@
app.js
app.ts

9
app.ts Normal file
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@ -0,0 +1,9 @@
import randomBunny from "./src";
async function app() {
const result = await randomBunny('rabbits', 'hot', 100);
console.log(result);
}
app();

121
index.js
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@ -1,121 +0,0 @@
// Required Modules
const fetch = require('node-fetch');
// Valid sortBy names
const sortable = [
'new',
'hot',
'top'
]
// Main function
function randomBunny(subreddit, sortBy, cb) {
// If the sortable list doesn't include sortBy, default to 'hot'
if (!sortable.includes(sortBy)) sortBy = 'hot';
// Fetch the json from reddit
// For example, if you're getting a random image from r/rabbits, sorted by new:
// https://www.reddit.com/r/rabbits/new.json
fetch(`https://www.reddit.com/r/${subreddit}/${sortBy}.json`).then(res => {
res.json().then(res => {
// Get the part of the json string which the data comes from
const data = res.data.children;
const size = data.length;
// Found is used for the while loop in order to break out of the loop.
// We need to loop as the json string will contain invalid data for what we need
// Specifically videos.
let found = false;
// Loop until a valid image post is found
while (!found) {
// Generate random number
const random = getRandom(0, size - 1);
// Get variables from json to pass back
const randomSelect = data[random].data;
// The json string to send back
const json = {
archived: randomSelect['archived'],
downs: randomSelect['downs'],
hidden: randomSelect['hidden'],
permalink: randomSelect['permalink'],
subreddit: randomSelect['subreddit'],
subredditSubscribers: randomSelect['subreddit_subscribers'],
title: randomSelect['title'],
ups: randomSelect['ups'],
url: randomSelect['url']
};
// If the post is a .jpg, send back the data and stop looping
if (json.url.includes('.jpg')) {
found = true;
cb(json);
}
}
});
});
}
function promise(subreddit, sortBy) {
return new Promise(resolve => {
// If the sortable list doesn't include sortBy, default to 'hot'
if (!sortable.includes(sortBy)) sortBy = 'hot';
// Fetch the json from reddit
// For example, if you're getting a random image from r/rabbits, sorted by new:
// https://www.reddit.com/r/rabbits/new.json
fetch(`https://www.reddit.com/r/${subreddit}/${sortBy}.json`).then(res => {
res.json().then(res => {
// Get the part of the json string which the data comes from
const data = res.data.children;
const size = data.length;
// Found is used for the while loop in order to break out of the loop.
// We need to loop as the json string will contain invalid data for what we need
// Specifically videos.
let found = false;
// Loop until a valid image post is found
while (!found) {
// Generate random number
const random = getRandom(0, size - 1);
// Get variables from json to pass back
const randomSelect = data[random].data;
// The json string to send back
const json = {
archived: randomSelect['archived'],
downs: randomSelect['downs'],
hidden: randomSelect['hidden'],
permalink: randomSelect['permalink'],
subreddit: randomSelect['subreddit'],
subredditSubscribers: randomSelect['subreddit_subscribers'],
title: randomSelect['title'],
ups: randomSelect['ups'],
url: randomSelect['url']
};
// If the post is a .jpg, send back the data and stop looping
if (json.url.includes('.jpg')) {
found = true;
resolve(json);
}
}
});
});
})
}
// Generate a random number
function getRandom(min, max) {
return Math.floor((Math.random() * max) + min);
}
// Export Functions
module.exports = {
randomBunny,
promise,
};

5
package.json
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@ -17,9 +17,11 @@
],
"dependencies": {
"glob-parent": "^6.0.0",
"node-fetch": "^2.6.1"
"node-fetch": "^3.1.0"
},
"scripts": {
"build": "tsc",
"start": "ts-node app.ts",
"test": "echo none",
"lint": "eslint ."
},
@ -29,6 +31,7 @@
"devDependencies": {
"@types/node": "^16.11.11",
"eslint": "^7.17.0",
"ts-node": "^10.4.0",
"typescript": "^4.5.2"
}
}

6
src/contracts/IFetchResult.ts Normal file
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@ -0,0 +1,6 @@
import IRedditResult from "./IRedditResult";
export default interface IFetchResult {
IsSuccess: boolean;
Result?: IRedditResult;
}

11
src/contracts/IRedditResult.ts Normal file
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@ -0,0 +1,11 @@
export default interface IRedditResult {
Archived: boolean,
Downs: number,
Hidden: boolean,
Permalink: string,
Subreddit: string,
SubredditSubscribers: number,
Title: string,
Ups: number,
Url: string
}

61
src/index.ts Normal file
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@ -0,0 +1,61 @@
import IFetchResult from "./contracts/IFetchResult";
import IRedditResult from "./contracts/IRedditResult";
import fetch from "node-fetch";
const sortable = [
'new',
'hot',
'top'
];
export default async function randomBunny(subreddit: string, sortBy: string, maxTries = 100): Promise<IFetchResult> {
if (!sortable.includes(sortBy)) sortBy = 'hot';
const result = await fetch(`https://reddit.com/r/${subreddit}/${sortBy}.json`);
if (!result) {
return {
IsSuccess: false
}
}
const json = await result.json() as any;
if (!json) {
return {
IsSuccess: false
}
}
const data = json.data.children;
const size = data.length;
for (let i = 0; i < maxTries; i++) {
const random = Math.floor((Math.random() * size - 1) + 0); // Between 0 and (size - 1)
const randomSelect = data[random].data;
const redditResult: IRedditResult = {
Archived: randomSelect['archived'],
Downs: randomSelect['downs'],
Hidden: randomSelect['hidden'],
Permalink: randomSelect['permalink'],
Subreddit: randomSelect['subreddit'],
SubredditSubscribers: randomSelect['subreddit_subscribers'],
Title: randomSelect['title'],
Ups: randomSelect['ups'],
Url: randomSelect['url']
};
if (redditResult.Url.includes('.jpg')) {
return {
IsSuccess: true,
Result: redditResult
};
}
}
return {
IsSuccess: false
}
}

2
tsconfig.json
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@ -70,7 +70,7 @@
"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
},
"include": [
"./src",
"./src", "app.ts",
],
"exclude": [
"./tests"

121
yarn.lock
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@ -23,6 +23,18 @@
chalk "^2.0.0"
js-tokens "^4.0.0"
"@cspotcode/source-map-consumer@0.8.0":
version "0.8.0"
resolved "https://registry.yarnpkg.com/@cspotcode/source-map-consumer/-/source-map-consumer-0.8.0.tgz#33bf4b7b39c178821606f669bbc447a6a629786b"
integrity sha512-41qniHzTU8yAGbCp04ohlmSrZf8bkf/iJsl3V0dRGsQN/5GFfx+LbCSsCpp2gqrqjTVg/K6O8ycoV35JIwAzAg==
"@cspotcode/source-map-support@0.7.0":
version "0.7.0"
resolved "https://registry.yarnpkg.com/@cspotcode/source-map-support/-/source-map-support-0.7.0.tgz#4789840aa859e46d2f3173727ab707c66bf344f5"
integrity sha512-X4xqRHqN8ACt2aHVe51OxeA2HjbcL4MqFqXkrmQszJ1NOUuUu5u6Vqx/0lZSVNku7velL5FC/s5uEAj1lsBMhA==
dependencies:
"@cspotcode/source-map-consumer" "0.8.0"
"@eslint/eslintrc@^0.4.2":
version "0.4.2"
resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-0.4.2.tgz#f63d0ef06f5c0c57d76c4ab5f63d3835c51b0179"
@ -38,6 +50,26 @@
minimatch "^3.0.4"
strip-json-comments "^3.1.1"
"@tsconfig/node10@^1.0.7":
version "1.0.8"
resolved "https://registry.yarnpkg.com/@tsconfig/node10/-/node10-1.0.8.tgz#c1e4e80d6f964fbecb3359c43bd48b40f7cadad9"
integrity sha512-6XFfSQmMgq0CFLY1MslA/CPUfhIL919M1rMsa5lP2P097N2Wd1sSX0tx1u4olM16fLNhtHZpRhedZJphNJqmZg==
"@tsconfig/node12@^1.0.7":
version "1.0.9"
resolved "https://registry.yarnpkg.com/@tsconfig/node12/-/node12-1.0.9.tgz#62c1f6dee2ebd9aead80dc3afa56810e58e1a04c"
integrity sha512-/yBMcem+fbvhSREH+s14YJi18sp7J9jpuhYByADT2rypfajMZZN4WQ6zBGgBKp53NKmqI36wFYDb3yaMPurITw==
"@tsconfig/node14@^1.0.0":
version "1.0.1"
resolved "https://registry.yarnpkg.com/@tsconfig/node14/-/node14-1.0.1.tgz#95f2d167ffb9b8d2068b0b235302fafd4df711f2"
integrity sha512-509r2+yARFfHHE7T6Puu2jjkoycftovhXRqW328PDXTVGKihlb1P8Z9mMZH04ebyajfRY7dedfGynlrFHJUQCg==
"@tsconfig/node16@^1.0.2":
version "1.0.2"
resolved "https://registry.yarnpkg.com/@tsconfig/node16/-/node16-1.0.2.tgz#423c77877d0569db20e1fc80885ac4118314010e"
integrity sha512-eZxlbI8GZscaGS7kkc/trHTT5xgrjH3/1n2JDwusC9iahPKWMRvRjJSAN5mCXviuTGQ/lHnhvv8Q1YTpnfz9gA==
"@types/node@^16.11.11":
version "16.11.11"
resolved "https://registry.yarnpkg.com/@types/node/-/node-16.11.11.tgz#6ea7342dfb379ea1210835bada87b3c512120234"
@ -48,11 +80,21 @@ acorn-jsx@^5.3.1:
resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.3.1.tgz#fc8661e11b7ac1539c47dbfea2e72b3af34d267b"
integrity sha512-K0Ptm/47OKfQRpNQ2J/oIN/3QYiK6FwW+eJbILhsdxh2WTLdl+30o8aGdTbm5JbffpFFAg/g+zi1E+jvJha5ng==
acorn-walk@^8.1.1:
version "8.2.0"
resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-8.2.0.tgz#741210f2e2426454508853a2f44d0ab83b7f69c1"
integrity sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==
acorn@^7.4.0:
version "7.4.1"
resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
acorn@^8.4.1:
version "8.6.0"
resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.6.0.tgz#e3692ba0eb1a0c83eaa4f37f5fa7368dd7142895"
integrity sha512-U1riIR+lBSNi3IbxtaHOIKdH8sLFv3NYfNv8sg7ZsNhcfl4HF2++BfqqrNAxoCLQW1iiylOj76ecnaUxz+z9yw==
ajv@^6.10.0, ajv@^6.12.4:
version "6.12.6"
resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
@ -97,6 +139,11 @@ ansi-styles@^4.0.0, ansi-styles@^4.1.0:
dependencies:
color-convert "^2.0.1"
arg@^4.1.0:
version "4.1.3"
resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
integrity sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==
argparse@^1.0.7:
version "1.0.10"
resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@ -173,6 +220,11 @@ concat-map@0.0.1:
resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
create-require@^1.1.0:
version "1.1.1"
resolved "https://registry.yarnpkg.com/create-require/-/create-require-1.1.1.tgz#c1d7e8f1e5f6cfc9ff65f9cd352d37348756c333"
integrity sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==
cross-spawn@^7.0.2:
version "7.0.3"
resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
@ -182,6 +234,11 @@ cross-spawn@^7.0.2:
shebang-command "^2.0.0"
which "^2.0.1"
data-uri-to-buffer@^4.0.0:
version "4.0.0"
resolved "https://registry.yarnpkg.com/data-uri-to-buffer/-/data-uri-to-buffer-4.0.0.tgz#b5db46aea50f6176428ac05b73be39a57701a64b"
integrity sha512-Vr3mLBA8qWmcuschSLAOogKgQ/Jwxulv3RNE4FXnYWRGujzrRWQI4m12fQqRkwX06C0KanhLr4hK+GydchZsaA==
debug@^4.0.1, debug@^4.1.1:
version "4.3.1"
resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.1.tgz#f0d229c505e0c6d8c49ac553d1b13dc183f6b2ee"
@ -194,6 +251,11 @@ deep-is@^0.1.3:
resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
integrity sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=
diff@^4.0.1:
version "4.0.2"
resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
doctrine@^3.0.0:
version "3.0.0"
resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-3.0.0.tgz#addebead72a6574db783639dc87a121773973961"
@ -351,6 +413,13 @@ fast-levenshtein@^2.0.6:
resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
fetch-blob@^3.1.2:
version "3.1.3"
resolved "https://registry.yarnpkg.com/fetch-blob/-/fetch-blob-3.1.3.tgz#a7dca4855e39d3e3c5a1da62d4ee335c37d26012"
integrity sha512-ax1Y5I9w+9+JiM+wdHkhBoxew+zG4AJ2SvAD1v1szpddUIiPERVGBxrMcB2ZqW0Y3PP8bOWYv2zqQq1Jp2kqUQ==
dependencies:
web-streams-polyfill "^3.0.3"
file-entry-cache@^6.0.1:
version "6.0.1"
resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-6.0.1.tgz#211b2dd9659cb0394b073e7323ac3c933d522027"
@ -371,6 +440,13 @@ flatted@^3.1.0:
resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.1.1.tgz#c4b489e80096d9df1dfc97c79871aea7c617c469"
integrity sha512-zAoAQiudy+r5SvnSw3KJy5os/oRJYHzrzja/tBDqrZtNhUw8bt6y8OBzMWcjWr+8liV8Eb6yOhw8WZ7VFZ5ZzA==
formdata-polyfill@^4.0.10:
version "4.0.10"
resolved "https://registry.yarnpkg.com/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz#24807c31c9d402e002ab3d8c720144ceb8848423"
integrity sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==
dependencies:
fetch-blob "^3.1.2"
fs.realpath@^1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@ -535,6 +611,11 @@ lru-cache@^6.0.0:
dependencies:
yallist "^4.0.0"
make-error@^1.1.1:
version "1.3.6"
resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
minimatch@^3.0.4:
version "3.0.4"
resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
@ -552,10 +633,14 @@ natural-compare@^1.4.0:
resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
node-fetch@^2.6.1:
version "2.6.1"
resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
node-fetch@^3.1.0:
version "3.1.0"
resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-3.1.0.tgz#714f4922dc270239487654eaeeab86b8206cb52e"
integrity sha512-QU0WbIfMUjd5+MUzQOYhenAazakV7Irh1SGkWCsRzBwvm4fAhzEUaHMJ6QLP7gWT6WO9/oH2zhKMMGMuIrDyKw==
dependencies:
data-uri-to-buffer "^4.0.0"
fetch-blob "^3.1.2"
formdata-polyfill "^4.0.10"
once@^1.3.0:
version "1.4.0"
@ -715,6 +800,24 @@ text-table@^0.2.0:
resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
integrity sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=
ts-node@^10.4.0:
version "10.4.0"
resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-10.4.0.tgz#680f88945885f4e6cf450e7f0d6223dd404895f7"
integrity sha512-g0FlPvvCXSIO1JDF6S232P5jPYqBkRL9qly81ZgAOSU7rwI0stphCgd2kLiCrU9DjQCrJMWEqcNSjQL02s6d8A==
dependencies:
"@cspotcode/source-map-support" "0.7.0"
"@tsconfig/node10" "^1.0.7"
"@tsconfig/node12" "^1.0.7"
"@tsconfig/node14" "^1.0.0"
"@tsconfig/node16" "^1.0.2"
acorn "^8.4.1"
acorn-walk "^8.1.1"
arg "^4.1.0"
create-require "^1.1.0"
diff "^4.0.1"
make-error "^1.1.1"
yn "3.1.1"
type-check@^0.4.0, type-check@~0.4.0:
version "0.4.0"
resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.4.0.tgz#07b8203bfa7056c0657050e3ccd2c37730bab8f1"
@ -744,6 +847,11 @@ v8-compile-cache@^2.0.3:
resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz#2de19618c66dc247dcfb6f99338035d8245a2cee"
integrity sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA==
web-streams-polyfill@^3.0.3:
version "3.2.0"
resolved "https://registry.yarnpkg.com/web-streams-polyfill/-/web-streams-polyfill-3.2.0.tgz#a6b74026b38e4885869fb5c589e90b95ccfc7965"
integrity sha512-EqPmREeOzttaLRm5HS7io98goBgZ7IVz79aDvqjD0kYXLtFZTc0T/U6wHTPKyIjb+MdN7DFIIX6hgdBEpWmfPA==
which@^2.0.1:
version "2.0.2"
resolved "https://registry.yarnpkg.com/which/-/which-2.0.2.tgz#7c6a8dd0a636a0327e10b59c9286eee93f3f51b1"
@ -765,3 +873,8 @@ yallist@^4.0.0:
version "4.0.0"
resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
yn@3.1.1:
version "3.1.1"
resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
integrity sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==