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Commit 8776e4e

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Albert LiAlbert Li
Albert Li
authored and
Albert Li
committed
add concurrent work
1 parent e81bd7a commit 8776e4e

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3 files changed

+127
-37
lines changed

3 files changed

+127
-37
lines changed

‎package-lock.json

Lines changed: 57 additions & 3 deletions
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‎package.json

Lines changed: 37 additions & 34 deletions
Original file line numberDiff line numberDiff line change
@@ -1,35 +1,38 @@
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{
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"name": "code_challenge",
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"version": "1.0.1",
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"description": "leetCode Challenge",
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"main": "./src/index.ts",
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"scripts": {
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"build": "rm -rf ./dist && tsc -p .",
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"prerestart": "tsc --watch",
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"start": "ts-node src/index.ts",
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"start:dev": "nodemon src/index.ts",
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"format": "prettier --write \"src/**/*.ts\"",
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"lint": "eslint '{src,apps,libs,test}/**/*.ts' --fix"
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},
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"keywords": [
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"leetCode",
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"Challenge"
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],
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"author": "11",
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"license": "ISC",
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"dependencies": {
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"ts-node": "6.2.0",
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"typescript": "3.1.1"
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},
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"devDependencies": {
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"@types/node": "^13.7.6",
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"@typescript-eslint/eslint-plugin": "^2.21.0",
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"@typescript-eslint/parser": "^2.21.0",
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"eslint": "^6.8.0",
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"eslint-config-prettier": "^6.10.0",
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"eslint-plugin-import": "^2.20.1",
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"nodemon": "^2.0.2",
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"prettier": "^2.0.5",
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"tsconfig-paths": "^3.9.0"
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}
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}
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"name": "code_challenge",
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"version": "1.0.1",
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"description": "leetCode Challenge",
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"main": "./src/index.ts",
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"scripts": {
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"build": "rm -rf ./dist && tsc -p .",
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"prerestart": "tsc --watch",
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"start": "ts-node src/index.ts",
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"start:dev": "nodemon src/index.ts",
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"format": "prettier --write \"src/**/*.ts\"",
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"lint": "eslint '{src,apps,libs,test}/**/*.ts' --fix",
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"local": "ts-node src/test/concurrency.ts"
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},
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"keywords": [
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"leetCode",
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"Challenge"
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],
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"author": "11",
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"license": "ISC",
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"dependencies": {
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"@types/node-fetch": "^2.5.7",
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"node-fetch": "^2.6.0",
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"ts-node": "6.2.0",
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"typescript": "3.1.1"
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},
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"devDependencies": {
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"@types/node": "^13.7.6",
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"@typescript-eslint/eslint-plugin": "^2.21.0",
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"@typescript-eslint/parser": "^2.21.0",
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"eslint": "^6.8.0",
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"eslint-config-prettier": "^6.10.0",
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"eslint-plugin-import": "^2.20.1",
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"nodemon": "^2.0.2",
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"prettier": "^2.0.5",
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"tsconfig-paths": "^3.9.0"
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}
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}

‎src/test/concurrency.ts

Lines changed: 33 additions & 0 deletions
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import fetch from 'node-fetch';
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let images = ['https://stackoverflow.com', 'https://stackoverflow.com', 'https://stackoverflow.com', 'https://stackoverflow.com', 'https://stackoverflow.com', 'https://stackoverflow.com', 'https://stackoverflow.com', 'https://stackoverflow.com', 'https://stackoverflow.com', 'https://stackoverflow.com'];
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let concurrency = 5;
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// Array(concurrency)
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// .fill(images.entries())
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// .map(async (cursor) => {
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// for (let [index, url] of cursor) {
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// console.log('Get Image: ', index, url);
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// let i = await fetch(url).then((res) => res.text());
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// console.log('i: ', index, i.slice(0, 100));
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// }
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// });
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setTimeout(async () => {
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for (let i: number = 0; i < images.length; i += 5) {
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let _images = images.slice(i, i + 5);
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console.log('batch image start: ', i);
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await Promise.all(
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_images.map(async (value, index, array) => {
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console.log('image start: ', index + i);
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await fetch(value).then((res) => res.text());
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console.log('image end: ', index + i);
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}),
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);
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console.log('batch image end: ', i);
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}
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}, 0);

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