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/* 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("devtools/client/jsonview/components/MainTabbedArea")
);
const TreeViewClass = require("devtools/client/shared/components/tree/TreeView");
const AUTO_EXPAND_MAX_SIZE = 100 * 1024;
const AUTO_EXPAND_MAX_LEVEL = 7;
const TABS = {
JSON: 0,
RAW_DATA: 1,
HEADERS: 2,
};
let prettyURL;
let theApp;
// Application state object.
const input = {
jsonText: JSONView.json,
jsonPretty: null,
headers: JSONView.headers,
activeTab: 0,
prettified: false,
expandedNodes: new Set(),
};
/**
* Application actions/commands. This list implements all commands
* available for the JSON viewer.
*/
input.actions = {
onCopyJson() {
const text = input.prettified ? input.jsonPretty : input.jsonText;
copyString(text.textContent);
},
onSaveJson() {
if (input.prettified && !prettyURL) {
prettyURL = URL.createObjectURL(
new window.Blob([input.jsonPretty.textContent])
);
}
dispatchEvent("save", input.prettified ? prettyURL : null);
},
onCopyHeaders() {
let value = "";
const isWinNT =
document.documentElement.getAttribute("platform") === "win";
const eol = isWinNT ? "\r\n" : "\n";
const responseHeaders = input.headers.response;
for (let i = 0; i < responseHeaders.length; i++) {
const header = responseHeaders[i];
value += header.name + ": " + header.value + eol;
}
value += eol;
const requestHeaders = input.headers.request;
for (let i = 0; i < requestHeaders.length; i++) {
const header = requestHeaders[i];
value += header.name + ": " + header.value + eol;
}
copyString(value);
},
onSearch(value) {
theApp.setState({ searchFilter: value });
},
onPrettify(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 = new Text(JSON.stringify(input.json, null, " "));
}
theApp.setState({ jsonText: input.jsonPretty });
}
input.prettified = !input.prettified;
},
onCollapse(data) {
input.expandedNodes.clear();
theApp.forceUpdate();
},
onExpand(data) {
input.expandedNodes = TreeViewClass.getExpandedNodes(input.json);
theApp.setState({ expandedNodes: input.expandedNodes });
},
};
/**
* Helper for copying a string to the clipboard.
*
* @param {String} string The text to be copied.
*/
function copyString(string) {
document.addEventListener(
"copy",
event => {
event.clipboardData.setData("text/plain", string);
event.preventDefault();
},
{ once: true }
);
document.execCommand("copy", false, null);
}
/**
* 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) {
const data = {
detail: {
type,
value,
},
};
const 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.
*/
const content = document.getElementById("content");
const promise = (async function parseJSON() {
if (document.readyState == "loading") {
// If the JSON has not been loaded yet, render the Raw Data tab first.
input.json = {};
input.activeTab = TABS.RAW_DATA;
return new Promise(resolve => {
document.addEventListener("DOMContentLoaded", resolve, { once: true });
})
.then(parseJSON)
.then(async () => {
// Now update the state and switch to the JSON tab.
await appIsReady;
theApp.setState({
activeTab: TABS.JSON,
json: input.json,
expandedNodes: input.expandedNodes,
});
});
}
// If the JSON has been loaded, parse it immediately before loading the app.
const jsonString = input.jsonText.textContent;
try {
input.json = JSON.parse(jsonString);
} catch (err) {
input.json = err;
// Display the raw data tab for invalid json
input.activeTab = TABS.RAW_DATA;
}
// Expand the document by default if its size isn't bigger than 100KB.
if (
!(input.json instanceof Error) &&
jsonString.length <= AUTO_EXPAND_MAX_SIZE
) {
input.expandedNodes = TreeViewClass.getExpandedNodes(input.json, {
maxLevel: AUTO_EXPAND_MAX_LEVEL,
});
}
return undefined;
})();
const appIsReady = new Promise(resolve => {
render(MainTabbedArea(input), content, function () {
theApp = this;
resolve();
// Send readyState change notification event to the window. Can be useful for
// tests as well as extensions.
JSONView.readyState = "interactive";
window.dispatchEvent(new CustomEvent("AppReadyStateChange"));
promise.then(() => {
// Another readyState change notification event.
JSONView.readyState = "complete";
window.dispatchEvent(new CustomEvent("AppReadyStateChange"));
});
});
});
});
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