gecko-dev/devtools/client/jsonview/json-viewer.js

118 строки
3.4 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
define(function (require, exports, module) {
const { render } = require("devtools/client/shared/vendor/react-dom");
const { createFactories } = require("devtools/client/shared/react-utils");
const { MainTabbedArea } = createFactories(require("./components/MainTabbedArea"));
const TreeViewClass = require("devtools/client/shared/components/tree/TreeView");
const AUTO_EXPAND_MAX_SIZE = 100 * 1024;
const AUTO_EXPAND_MAX_LEVEL = 7;
let prettyURL;
// Application state object.
let input = {
jsonText: JSONView.json.textContent,
jsonPretty: null,
headers: JSONView.headers,
tabActive: 0,
prettified: false
};
try {
input.json = JSON.parse(input.jsonText);
} catch (err) {
input.json = err;
}
// Expand the document by default if its size isn't bigger than 100KB.
if (!(input.json instanceof Error) && input.jsonText.length <= AUTO_EXPAND_MAX_SIZE) {
input.expandedNodes = TreeViewClass.getExpandedNodes(
input.json,
{maxLevel: AUTO_EXPAND_MAX_LEVEL}
);
} else {
input.expandedNodes = new Set();
}
/**
* Application actions/commands. This list implements all commands
* available for the JSON viewer.
*/
input.actions = {
onCopyJson: function () {
dispatchEvent("copy", input.prettified ? input.jsonPretty : input.jsonText);
},
onSaveJson: function () {
if (input.prettified && !prettyURL) {
prettyURL = URL.createObjectURL(new window.Blob([input.jsonPretty]));
}
dispatchEvent("save", input.prettified ? prettyURL : null);
},
onCopyHeaders: function () {
dispatchEvent("copy-headers", input.headers);
},
onSearch: function (value) {
theApp.setState({searchFilter: value});
},
onPrettify: function (data) {
if (input.json instanceof Error) {
// Cannot prettify invalid JSON
return;
}
if (input.prettified) {
theApp.setState({jsonText: input.jsonText});
} else {
if (!input.jsonPretty) {
input.jsonPretty = JSON.stringify(input.json, null, " ");
}
theApp.setState({jsonText: input.jsonPretty});
}
input.prettified = !input.prettified;
},
};
/**
* Helper for dispatching an event. It's handled in chrome scope.
*
* @param {String} type Event detail type
* @param {Object} value Event detail value
*/
function dispatchEvent(type, value) {
let data = {
detail: {
type,
value,
}
};
let contentMessageEvent = new CustomEvent("contentMessage", data);
window.dispatchEvent(contentMessageEvent);
}
/**
* Render the main application component. It's the main tab bar displayed
* at the top of the window. This component also represents ReacJS root.
*/
let content = document.getElementById("content");
let theApp = render(MainTabbedArea(input), content);
// Send notification event to the window. Can be useful for
// tests as well as extensions.
let event = new CustomEvent("JSONViewInitialized", {});
JSONView.initialized = true;
window.dispatchEvent(event);
});