InitialHEADmaster

1 files changed, 76 insertions, 0 deletions

diff --git a/src/wwwroot/scripts/prototypes.js b/src/wwwroot/scripts/prototypes.js
new file mode 100644
index 0000000..9496022
--- /dev/null
+++ b/src/wwwroot/scripts/prototypes.js
@@ -0,0 +1,76 @@
+"use strict";
+Date.prototype.addDays = function (days) {
+    let date = new Date(this.valueOf());
+    date.setDate(date.getDate() + days);
+    return date;
+};
+
+Date.prototype.substractDays = function (days) {
+    let date = new Date(this.valueOf());
+    date.setDate(date.getDate() - days);
+    return date;
+};
+
+Storage.prototype.removeRegex = function (r) {
+    if (!r) return;
+    let n = sessionStorage.length;
+    while (n--) {
+        let key = sessionStorage.key(n);
+        let rx = new RegExp(r);
+        if (rx.test(key)) {
+            sessionStorage.removeItem(key);
+        }
+    }
+};
+
+Storage.prototype.setStringified = function (key, value) {
+    let stringified = JSON.stringify(value);
+    sessionStorage.setItem(key, stringified);
+};
+
+Storage.prototype.getParsedValue = function (key) {
+    try {
+        let value = sessionStorage.getItem(key);
+        return JSON.parse(value);
+    } catch (e) {
+        return null;
+    }
+};
+
+//"Hello, {name}, are you feeling {adjective}?".formatUnicorn({name:"Gabriel", adjective: "OK"});
+String.prototype.formatUnicorn = function () {
+    let str = this.toString();
+    if (arguments.length) {
+        let t = typeof arguments[0];
+        let key;
+        let args = ("string" === t || "number" === t) ?
+            Array.prototype.slice.call(arguments)
+            : arguments[0];
+        for (key in args) {
+            str = str.replace(new RegExp("\\{" + key + "\\}", "gi"), args[key]);
+        }
+    }
+    return str;
+};
+
+//"Hello, {0}, are you feeling {1}?".format("Gabriel", "OK");
+String.prototype.format = function () {
+    let args = arguments;
+    return this.replace(/{(\d+)}/g, function (match, number) {
+        return typeof args[number] != 'undefined'
+            ? args[number]
+            : match
+            ;
+    });
+};
+
+String.prototype.toHash = function () {
+    let hash = 0, i, chr;
+    if (this.length === 0) return hash;
+    for (i = 0; i < this.length; i++) {
+        chr = this.charCodeAt(i);
+        hash = ((hash << 5) - hash) + chr;
+        hash |= 0; // Convert to 32bit integer
+    }
+    return hash;
+};