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JavaScript
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2019-03-08 17:27:24 +09:00
import * as jpw from "@browser/jsonpath-wasm";
import * as jp from "jsonpath/jsonpath.js";
function run(message, iter, cb) {
let d = Date.now();
for (let i = 0; i < iter; i++) {
cb();
}
msg([message, Date.now() - d].join(", "));
}
function msg(msg) {
console.log(msg);
let div = document.createElement("div");
div.innerText = msg;
document.body.appendChild(div);
}
let json = {
"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
}
},
"expensive": 10
};
setTimeout(function() {
let path = '$..book[?(@.price<30 && @.category=="fiction")]';
let template = jpw.compile(path);
let reader = jpw.reader(json);
run('jsonpath', 1000, function() { jp.query(json, path) });
run('jsonpath-wasm- reader', 1000, function() { reader(path) });
run('jsonpath-wasm- compile', 1000, function() { template(json) });
run('jsonpath-wasm- read', 1000, function() { jpw.read(json, path) });
}, 0);