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/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.SourceMapResource = class SourceMapResource extends WI.Resource
{
constructor(url, sourceMap, {ignored} = {})
{
super(url);
console.assert(url);
console.assert(sourceMap);
this._sourceMap = sourceMap;
this._ignored = ignored || false;
var inheritedMIMEType = this._sourceMap.originalSourceCode instanceof WI.Resource ? this._sourceMap.originalSourceCode.syntheticMIMEType : null;
let fileExtension = WI.fileExtensionForURL(url) || "";
// React serves JSX resources with "js" extension.
let fileExtensionMIMEType = fileExtension === "js" ? "text/jsx" : WI.mimeTypeForFileExtension(fileExtension, true);
// FIXME: This is a layering violation. It should use a helper function on the
// Resource base-class to set _mimeType and _type.
this._mimeType = fileExtensionMIMEType || inheritedMIMEType || "text/javascript";
this._type = WI.Resource.typeFromMIMEType(this._mimeType);
// Mark the resource as loaded so it does not show a spinner in the sidebar.
// We will really load the resource the first time content is requested.
this.markAsFinished();
}
// Public
get sourceMap() { return this._sourceMap; }
get ignored() { return this._ignored; }
set ignored(ignored) { this._ignored = ignored; }
get sourceMapDisplaySubpath()
{
var sourceMappingBasePathURLComponents = this._sourceMap.sourceMappingBasePathURLComponents;
var resourceURLComponents = this.urlComponents;
// Fallback for JavaScript debuggable named scripts that may not have a complete URL.
if (!resourceURLComponents.path)
resourceURLComponents.path = this.url;
// Different schemes / hosts. Return the host + path of this resource.
if (resourceURLComponents.scheme !== sourceMappingBasePathURLComponents.scheme || resourceURLComponents.host !== sourceMappingBasePathURLComponents.host) {
let subpath = "";
if (resourceURLComponents.host) {
subpath += resourceURLComponents.host;
if (resourceURLComponents.port)
subpath += ":" + resourceURLComponents.port;
subpath += resourceURLComponents.path;
} else {
// Remove the leading "/" so there isn't an empty folder.
subpath += resourceURLComponents.path.substring(1);
}
return subpath;
}
// Same host, but not a subpath of the base. This implies a ".." in the relative path.
if (!resourceURLComponents.path.startsWith(sourceMappingBasePathURLComponents.path))
return relativePath(resourceURLComponents.path, sourceMappingBasePathURLComponents.path);
// Same host. Just a subpath of the base.
return resourceURLComponents.path.substring(sourceMappingBasePathURLComponents.path.length, resourceURLComponents.length);
}
get supportsScriptBlackboxing()
{
if (!super.supportsScriptBlackboxing)
return false;
if (!this._sourceMap.originalSourceCode.supportsScriptBlackboxing)
return false;
// COMPATIBILITY (macOS X.Y, iOS X.Y): Debugger.setShouldBlackboxURL.sourceRanges did not exist yet.
return InspectorBackend.hasCommand("Debugger.setShouldBlackboxURL", "sourceRanges");
}
requestContentFromBackend()
{
// Revert the markAsFinished that was done in the constructor.
this.revertMarkAsFinished();
var inlineContent = this._sourceMap.sourceContent(this.url);
if (inlineContent) {
// Force inline content to be asynchronous to match the expected load pattern.
// FIXME: We don't know the MIME-type for inline content. Guess by analyzing the content?
// Returns a promise.
return Promise.resolve().then(sourceMapResourceLoaded.bind(this, {content: inlineContent, mimeType: this.mimeType, statusCode: 200}));
}
function sourceMapResourceNotAvailable(error, content, mimeType, statusCode)
{
this.markAsFailed();
return Promise.resolve({
error: WI.UIString("An error occurred trying to load the resource."),
content,
mimeType,
statusCode
});
}
function sourceMapResourceLoadError(error)
{
console.error(error || "There was an unknown error calling Network.loadResource.");
this.markAsFailed();
return Promise.resolve({error: WI.UIString("An error occurred trying to load the resource.")});
}
function sourceMapResourceLoaded(parameters)
{
var {error, content, mimeType, statusCode} = parameters;
var base64encoded = false;
if (statusCode >= 400 || error)
return sourceMapResourceNotAvailable(error, content, mimeType, statusCode);
// FIXME: Add support for picking the best MIME-type. Right now the file extension is the best bet.
// The constructor set MIME-type based on the file extension and we ignore mimeType here.
this.markAsFinished();
return Promise.resolve({
content,
mimeType,
base64encoded,
statusCode
});
}
if (!this._target.hasCommand("Network.loadResource"))
return sourceMapResourceLoadError.call(this);
var frameIdentifier = null;
if (this._sourceMap.originalSourceCode instanceof WI.Resource && this._sourceMap.originalSourceCode.parentFrame)
frameIdentifier = this._sourceMap.originalSourceCode.parentFrame.id;
if (!frameIdentifier)
frameIdentifier = WI.networkManager.mainFrame ? WI.networkManager.mainFrame.id : "";
return this._target.NetworkAgent.loadResource(frameIdentifier, this.url).then(sourceMapResourceLoaded.bind(this)).catch(sourceMapResourceLoadError.bind(this));
}
createSourceCodeLocation(lineNumber, columnNumber)
{
// SourceCodeLocations are always constructed with raw resources and raw locations. Lookup the raw location.
var entry = this._sourceMap.findEntryReversed(this.url, lineNumber);
var rawLineNumber = entry[0];
var rawColumnNumber = entry[1];
// If the raw location is an inline script we need to include that offset.
var originalSourceCode = this._sourceMap.originalSourceCode;
if (originalSourceCode instanceof WI.Script) {
if (rawLineNumber === 0)
rawColumnNumber += originalSourceCode.range.startColumn;
rawLineNumber += originalSourceCode.range.startLine;
}
// Create the SourceCodeLocation and since we already know the the mapped location set it directly.
var location = originalSourceCode.createSourceCodeLocation(rawLineNumber, rawColumnNumber);
location._setMappedLocation(this, lineNumber, columnNumber);
return location;
}
createSourceCodeTextRange(textRange)
{
// SourceCodeTextRanges are always constructed with raw resources and raw locations.
// However, we can provide the most accurate mapped locations in construction.
var startSourceCodeLocation = this.createSourceCodeLocation(textRange.startLine, textRange.startColumn);
var endSourceCodeLocation = this.createSourceCodeLocation(textRange.endLine, textRange.endColumn);
return new WI.SourceCodeTextRange(this._sourceMap.originalSourceCode, startSourceCodeLocation, endSourceCodeLocation);
}
};
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