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DouglasHdezT
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add: Promises examples
1 parent 9336f9b commit ec0f169

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‎4-Promises/Example1.js‎

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/**
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* Promises
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*/
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const isMommyHappy = (daddyReturn = false) => {
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return new Promise((resolve, reject) => {
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if (daddyReturn) {
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resolve({
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isHappy: true,
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reason: "Papá regresó con los cigarros"
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});
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} else {
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reject(new Error("Nunca regresó :c"));
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}
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});
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}
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isMommyHappy(true)
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.then(state => {
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console.log(state);
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})
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.catch(err => {
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console.log(err.message)
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});
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isMommyHappy(false)
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.then(state => {
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console.log(state);
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})
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.catch(err => {
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console.log(err.message)
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});
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isMommyHappy()
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.then(state => {
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console.log(state);
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})
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.catch(err => {
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console.log(err.message)
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});

‎4-Promises/Example2.js‎

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/**
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* Promises to write a File
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*/
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const fs = require("fs");
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const appendInFile = text => {
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return new Promise((resolve, reject) => {
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try {
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fs.writeFileSync("./result.txt", text, { flag: "a" });
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resolve();
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} catch{
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reject(new Error("Falló al escribir en el archivo"));
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}
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});
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}
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appendInFile("Mucho texto\n")
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.then(() => {
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console.log("¡Archivo escrito correctamente!")
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})
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.catch(err => {
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})

4-AsyncFuntions/Example1.js renamed to 5-AsyncFuntions/Example1.js

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4-AsyncFuntions/Example2.js renamed to 5-AsyncFuntions/Example2.js

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5-ImportExport/Data1.js renamed to 6-ImportExport/Data1.js

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5-ImportExport/Data2.js renamed to 6-ImportExport/Data2.js

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5-ImportExport/Data3.js renamed to 6-ImportExport/Data3.js

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5-ImportExport/Example1.js renamed to 6-ImportExport/Example1.js

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5-ImportExport/Example2.js renamed to 6-ImportExport/Example2.js

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5-ImportExport/app.js renamed to 6-ImportExport/app.js

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