uBlock/tools/jsonpath-tool.html
2025-05-29 18:09:19 -04:00

186 lines
4.4 KiB
HTML

<!DOCTYPE html>
<!--
Requires a local server in root of uBlock repo:
python3 -m http.server
Then load the following URL in the browser:
http://localhost:8000/tools/jsonpath-tool.html
-->
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>JSONPath tool</title>
<style>
body {
box-sizing: border-box;
display: flex;
flex-direction: column;
font-size: 16px;
gap: 0;
height: 100vh;
margin: 0;
padding: 0.5em;
width: 100vw;
}
h2 {
margin: 0;
}
main {
box-sizing: border-box;
display: flex;
flex-direction: column;
flex-grow: 1;
gap: 0.5em;
}
section {
box-sizing: border-box;
display: flex;
gap: 0.5em;
}
section > * {
border: 1px solid gray;
box-sizing: border-box;
flex-grow: 1;
font-family: monospace;
font-size: small;
line-height: 1.2;
max-height: 60cqh;
overflow: auto;
white-space: pre;
width: 50cqw;
}
#jsondata-in {
min-height: 50vh;
resize: vertical;
}
#jsonpath-input {
font-size: medium;
}
#jsonpath-result {
background-color: #eee;
flex-grow: 1;
white-space: pre-wrap;
}
</style>
</head>
<body>
<h2>uBO-flavored JSONPath tool</h2>
<main>
<section>
<textarea id="jsondata-in" placeholder="JSON data" spellcheck="false">{
"store": {
"book": [
{ "category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{ "category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{ "category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{ "category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": {
"color": "red",
"price": 19.95
}
}
}</textarea>
<div id="jsondata-out"></div>
</section>
<input id="jsonpath-input" placeholder="JSON path expression" spellcheck="false" value="$..book[?@.price<10]" />
<div id="jsonpath-result">&nbsp;</div>
</main>
<script type="module">
// Requires a local server in root of repo:
// python3 -m http.server
//
// Then load the following URL in the browser:
// http://localhost:8000/tools/jsonpath-tool.html
import { JSONPath } from '../src/js/jsonpath.js';
function readJSON() {
const textarea = document.querySelector('#jsondata-in');
let data;
try {
data = JSON.parse(textarea.value);
} catch {
data = {};
}
if ( typeof data !== 'object' || data === null ) {
data = {};
}
return data;
}
function formatResult(a) {
if ( a === undefined ) { return 'undefined'; }
if ( jsonp.valid === false ) { return 'bad expression'; }
if ( Array.isArray(a) === false ) {
return JSON.stringify(a, null, 2);
}
const out = [];
for ( const i of a ) {
out.push(`[ ${i.map(j => JSON.stringify(j)).join(', ')} ]`);
}
return out.join('\n');
}
function process() {
const input = document.querySelector('#jsonpath-input');
const jsonpath = input.value;
jsonp.compile(jsonpath);
const jsonDataIn = readJSON();
//const datainDiv = document.querySelector('#jsondata-in');
//datainDiv.textContent = JSON.stringify(jsonDataIn, null, 2);
const result = formatResult(jsonp.evaluate(jsonDataIn));
const pathsDiv = document.querySelector('#jsonpath-result');
pathsDiv.textContent = result;
const jsonDataOut = readJSON();
jsonp.apply(jsonDataOut);
const dataoutDiv = document.querySelector('#jsondata-out');
dataoutDiv.textContent = JSON.stringify(jsonDataOut, null, 2);
}
const jsonp = new JSONPath();
let jsonDataIn = {};
{
const textarea = document.querySelector('#jsondata-in');
textarea.addEventListener('input', ( ) => {
readJSON();
process();
});
}
{
const input = document.querySelector('#jsonpath-input');
input.addEventListener('input', ( ) => {
process();
});
}
readJSON();
process();
</script>
</body>
</html>