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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";
// React & Redux
const {
createElement,
createFactory,
} = require("resource://devtools/client/shared/vendor/react.js");
const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
const { ELLIPSIS } = require("resource://devtools/shared/l10n.js");
const Message = createFactory(
require("resource://devtools/client/webconsole/components/Output/Message.js")
);
ConsoleCommand.displayName = "ConsoleCommand";
ConsoleCommand.propTypes = {
message: PropTypes.object.isRequired,
timestampsVisible: PropTypes.bool.isRequired,
serviceContainer: PropTypes.object,
maybeScrollToBottom: PropTypes.func,
open: PropTypes.bool,
};
ConsoleCommand.defaultProps = {
open: false,
};
/**
* Displays input from the console.
*/
function ConsoleCommand(props) {
const {
message,
timestampsVisible,
serviceContainer,
maybeScrollToBottom,
dispatch,
open,
} = props;
const { indent, source, type, level, timeStamp, id: messageId } = message;
const messageText = trimCode(message.messageText);
const messageLines = messageText.split("\n");
const collapsible = messageLines.length > 5;
// Show only first 5 lines if its collapsible and closed
const visibleMessageText =
collapsible && !open
? `${messageLines.slice(0, 5).join("\n")}${ELLIPSIS}`
: messageText;
// This uses a Custom Element to syntax highlight when possible. If it's not
// (no CodeMirror editor), then it will just render text.
const messageBody = createElement(
"syntax-highlighted",
null,
visibleMessageText
);
// Enable collapsing the code if it has multiple lines
return Message({
messageId,
source,
type,
level,
topLevelClasses: [],
messageBody,
collapsible,
open,
dispatch,
serviceContainer,
indent,
timeStamp,
timestampsVisible,
maybeScrollToBottom,
message,
});
}
module.exports = ConsoleCommand;
/**
* Trim user input to avoid blank lines before and after messages
*/
function trimCode(input) {
if (typeof input !== "string") {
return input;
}
// Trim on both edges if we have a single line of content
if (input.trim().includes("\n") === false) {
return input.trim();
}
// For multiline input we want to keep the indentation of the first line
// with non-whitespace, so we can't .trim()/.trimStart().
return input.replace(/^\s*\n/, "").trimEnd();
}
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