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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";
const { sourceSpec } = require("resource://devtools/shared/specs/source.js");
const {
FrontClassWithSpec,
registerFront,
} = require("resource://devtools/shared/protocol.js");
const {
ArrayBufferFront,
} = require("resource://devtools/client/fronts/array-buffer.js");
/**
* A SourceFront provides a way to access the source text of a script.
*
* @param client DevToolsClient
* The DevTools Client instance.
* @param form Object
* The form sent across the remote debugging protocol.
*/
class SourceFront extends FrontClassWithSpec(sourceSpec) {
constructor(client, form) {
super(client);
if (form) {
this._url = form.url;
// this is here for the time being, until the source front is managed
// via protocol.js marshalling
this.actorID = form.actor;
}
}
form(json) {
this._url = json.url;
}
get actor() {
return this.actorID;
}
get url() {
return this._url;
}
// Alias for source.blackbox to avoid changing protocol.js packets
blackBox(range) {
return this.blackbox(range);
}
// Alias for source.unblackbox to avoid changing protocol.js packets
unblackBox() {
return this.unblackbox();
}
/**
* Get a Front for either an ArrayBuffer or LongString
* for this SourceFront's source.
*/
async source() {
const response = await super.source();
return this._onSourceResponse(response);
}
_onSourceResponse(response) {
const { contentType, source } = response;
if (source instanceof ArrayBufferFront) {
return source.slice(0, source.length).then(function (resp) {
if (resp.error) {
return resp;
}
// Keeping str as a string, ArrayBuffer/Uint8Array will not survive
// setIn/mergeIn operations.
const str = atob(resp.encoded);
const newResponse = {
source: {
binary: str,
toString: () => "[wasm]",
},
contentType,
};
return newResponse;
});
}
return source.substring(0, source.length).then(function (resp) {
if (resp.error) {
return resp;
}
const newResponse = {
source: resp,
contentType,
};
return newResponse;
});
}
}
exports.SourceFront = SourceFront;
registerFront(SourceFront);
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