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| 1 | +import Colors from "cli-color"; |
| 2 | + |
| 3 | +class Helper { |
| 4 | + // Propiedad privada |
| 5 | + static #instanceClass = null; |
| 6 | + |
| 7 | + /** |
| 8 | + * Permite limpiar y formatear una cadena |
| 9 | + * |
| 10 | + * @param {string} string Cadena a limpiar. |
| 11 | + * @param {string} union Cararter con el que sera unida. |
| 12 | + * |
| 13 | + * @retur {string} |
| 14 | + */ |
| 15 | + formatString(string = "", union = "") { |
| 16 | + let ascii = 0; |
| 17 | + let char = ""; |
| 18 | + let newString = ""; |
| 19 | + const STRING = string.toLowerCase(); |
| 20 | + const SPECIAL = { |
| 21 | + á: "a", |
| 22 | + é: "e", |
| 23 | + í: "i", |
| 24 | + ó: "o", |
| 25 | + ú: "u", |
| 26 | + ñ: "n", |
| 27 | + "♀": "f", |
| 28 | + "♂": "m", |
| 29 | + }; |
| 30 | + |
| 31 | + for (let i = 0; i < STRING.length; i += 1) { |
| 32 | + char = STRING[i]; |
| 33 | + char = (typeof SPECIAL[char] !== "undefined") ? SPECIAL[char] : char; |
| 34 | + if (typeof char !== "function") { |
| 35 | + ascii = char.charCodeAt(); |
| 36 | + newString += (ascii === 32 || (ascii >= 48 && ascii <= 57) || (ascii >= 97 && ascii <= 122)) ? char : ""; |
| 37 | + } |
| 38 | + } |
| 39 | + newString = newString.split(" ").filter(Boolean); |
| 40 | + return newString.join(union); |
| 41 | + } |
| 42 | + |
| 43 | + /** |
| 44 | + * Permite el seteo de las metas de cache. |
| 45 | + * |
| 46 | + * @param {express} response Respuesta de express. |
| 47 | + * @param {Number} ttl Tiempo de vida de elemento. |
| 48 | + * @param {String} type Tipo de elemento. |
| 49 | + * |
| 50 | + * @return {void} |
| 51 | + */ |
| 52 | + getTimeToLive(response, ttl = 100, type = "generic") { |
| 53 | + const EDGE_VALUE = `API_${type}`.toUpperCase(); |
| 54 | + response.setHeader("Edge-Control", `!no-store, cache-maxage=${ttl}s`); |
| 55 | + response.setHeader("Edge-Cache-Tag", EDGE_VALUE); |
| 56 | + response.setHeader("Cache-Control", `max-age=${ttl}`); |
| 57 | + } |
| 58 | + |
| 59 | + /** |
| 60 | + * Permite el envio de mensajes |
| 61 | + * |
| 62 | + * @param String text Mensaje que se desea mostrar. |
| 63 | + * @param String type (Optional) Tipo de mensaje |
| 64 | + * |
| 65 | + * e = error |
| 66 | + * s = succses |
| 67 | + * w = warning |
| 68 | + * t = tracking |
| 69 | + * default = info |
| 70 | + * |
| 71 | + * @return void. |
| 72 | + */ |
| 73 | + messages(text, type = "") { |
| 74 | + let log = ""; |
| 75 | + let msg = ""; |
| 76 | + let auxText = typeof text === "object" ? JSON.stringify(text) : text; |
| 77 | + const lon = (auxText.length < 90) ? (100 - auxText.length) : 0; |
| 78 | + switch (type) { |
| 79 | + case "e": |
| 80 | + log = Colors.xterm(15).bgXterm(124).bold; |
| 81 | + msg = " 🚨 ERROR "; |
| 82 | + break; |
| 83 | + case "s": |
| 84 | + log = Colors.xterm(15).bgXterm(34).bold; |
| 85 | + msg = " 🙌 SUCCESS "; |
| 86 | + break; |
| 87 | + case "w": |
| 88 | + log = Colors.xterm(232).bgXterm(214).bold; |
| 89 | + msg = " ⚠️ WARNING "; |
| 90 | + break; |
| 91 | + case "t": |
| 92 | + log = Colors.xterm(15).bgXterm(90).bold; |
| 93 | + msg = " 🔎 TRACKING "; |
| 94 | + break; |
| 95 | + default: |
| 96 | + log = Colors.xterm(15).bgXterm(12).bold; |
| 97 | + msg = " ℹ️ INFO "; |
| 98 | + break; |
| 99 | + } |
| 100 | + for (let i = 0; i < lon; i += 1) { auxText += " "; } |
| 101 | + console.log(log(` [${msg}] => ${auxText}`)); |
| 102 | + } |
| 103 | + |
| 104 | + /** |
| 105 | + * Permite conseguir una instancia de la clase. |
| 106 | + * |
| 107 | + * @returns {Helper} |
| 108 | + */ |
| 109 | + static get instance() { |
| 110 | + if (!Helper.#instanceClass) { |
| 111 | + Helper.#instanceClass = new Helper(); |
| 112 | + } |
| 113 | + return Helper.#instanceClass; |
| 114 | + } |
| 115 | +} |
| 116 | + |
| 117 | +export default Helper; |
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