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rays-javascript-extension
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Added more Array methods

This commit is contained in:
Ray 2023-12-10 17:06:15 +00:00
parent 52fb34f04d
commit 4ffccd8b1e
3 changed files with 156 additions and 1 deletions
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47
ryjsxt-test.html Normal file
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@ -0,0 +1,47 @@
<!doctype html>
<html lang="en-GB">
<head>
<meta charset="UTF-8" />
<meta http-equiv="content-type" content="text/html" charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="description" content="" />
<meta name="keyword" content="" />
<script src="ryjsxt.js"></script>
<!-- <script src="bsdialog4.min.js"></script> -->
<title></title>
<style>
.text-sm {
font-size: 0.8em;
}
</style>
<script>
var dataSet = [
{ key: "b", value: "B2", num: 2, f: 2.2, date: new Date(2001, 2, 2) },
{ key: "d", value: "D4", num: 4, f: 4.4, date: new Date(2001, 4, 4) },
{ key: "a", value: "A1", num: 1, f: 1.1, date: new Date(2001, 10, 1) },
{ key: "e", value: "E5", num: 5, f: 5.5, date: new Date(2001, 5, 5) },
{ key: "c", value: "C3", num: 3, f: 3.3, date: new Date(2001, 3, 3) }
];
// let result = dataSet.index("key", "d");
//dataSet = dataSet.orderBy("date");
dataSet = dataSet.orderByDesc("date");
// console.log(result);
console.log(dataSet);
</script>
</head>
<body>
</body>
</html>

108
ryjsxt.js
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@ -4,6 +4,20 @@
*/
Array.prototype.index = function (propName, value) {
for (let i = 0; i < this.length; i++) {
if (typeof(this[i][propName]) == "undefined") {
continue;
}
if (this[i][propName] == value){
return i;
}
}
return -1;
};
Array.prototype.insert = function(index, item) {
if (index < 0) {
this.splice(0, 0, item);
@ -36,6 +50,64 @@ Array.prototype.joinIfNotNullOrWhitespace = function (separator) {
return result;
};
Array.prototype.first = function (propName, value) {
for (let i = 0; i < this.length; i++) {
if (typeof(this[i][propName]) == "undefined") {
continue;
}
if (this[i][propName] == value){
return this[i];
}
}
return null;
};
Array.prototype.indexes = function (propName, value) {
let result = [];
for (let i = 0; i < this.length; i++) {
if (typeof(this[i][propName]) == "undefined") {
continue;
}
if (this[i][propName] == value){
result.push(i);
}
}
return result;
};
Array.prototype.orderBy = function (propName) {
this.sort(function(a, b) {
if (a[propName] < b[propName]) {
return -1;
} else if (a[propName] > b[propName]) {
return 1;
} else {
return 0;
}
});
return this;
};
Array.prototype.orderByDesc = function (propName) {
this.sort(function(a, b) {
if (a[propName] < b[propName]) {
return 1;
} else if (a[propName] > b[propName]) {
return -1;
} else {
return 0;
}
});
return this;
};
Array.prototype.removeAt = function(index) {
if ((index < 0) || (index >= this.length)) {
return this;
@ -46,6 +118,22 @@ Array.prototype.removeAt = function(index) {
return this;
};
Array.prototype.select = function (propName, value) {
let result = [];
for (let i = 0; i < this.length; i++) {
if (typeof(this[i][propName]) == "undefined") {
continue;
}
if (this[i][propName] == value){
result.push(this[i]);
}
}
return result;
};
@ -176,6 +264,26 @@ String.isNullOrWhitespace = function(value) {
}
};
String.joinIfNotNullOrWhitespace = function (separator, ...values) {
const a = this;
let result = "";
for (let i = 0; i < values.length; i++) {
if (String.isNullOrWhitespace(values[i])) {
continue;
}
if (!String.isNullOrWhitespace(result)) {
result += separator;
}
result += values[i];
};
return result;
};
String.prototype.contains = function(...args) {
for (let arg of args) {
if (this == arg) {

2
ryjsxt.min.js vendored
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