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/* -*- 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";
// Make this available to both AMD and CJS environments
define(function (require, exports, module) {
// Dependencies
const React = require("devtools/client/shared/vendor/react");
const { createFactories } = require("./rep-utils");
const { Caption } = createFactories(require("./caption"));
const { PropRep } = createFactories(require("./prop-rep"));
// Shortcuts
const { span } = React.DOM;
/**
* Renders an object. An object is represented by a list of its
* properties enclosed in curly brackets.
*/
const Obj = React.createClass({
displayName: "Obj",
propTypes: {
object: React.PropTypes.object,
mode: React.PropTypes.string,
},
getTitle: function (object) {
let className = object && object.class ? object.class : "Object";
if (this.props.objectLink) {
return this.props.objectLink({
object: object
}, className);
}
return className;
},
safePropIterator: function (object, max) {
max = (typeof max === "undefined") ? 3 : max;
try {
return this.propIterator(object, max);
} catch (err) {
console.error(err);
}
return [];
},
propIterator: function (object, max) {
let isInterestingProp = (t, value) => {
// Do not pick objects, it could cause recursion.
return (t == "boolean" || t == "number" || (t == "string" && value));
};
// Work around https://bugzilla.mozilla.org/show_bug.cgi?id=945377
if (Object.prototype.toString.call(object) === "[object Generator]") {
object = Object.getPrototypeOf(object);
}
// Object members with non-empty values are preferred since it gives the
// user a better overview of the object.
let props = this.getProps(object, max, isInterestingProp);
if (props.length <= max) {
// There are not enough props yet (or at least, not enough props to
// be able to know whether we should print "more…" or not).
// Let's display also empty members and functions.
props = props.concat(this.getProps(object, max, (t, value) => {
return !isInterestingProp(t, value);
}));
}
if (props.length > max) {
props.pop();
let objectLink = this.props.objectLink || span;
props.push(Caption({
object: objectLink({
object: object
}, (Object.keys(object).length - max) + " more…")
}));
} else if (props.length > 0) {
// Remove the last comma.
props[props.length - 1] = React.cloneElement(
props[props.length - 1], { delim: "" });
}
return props;
},
getProps: function (object, max, filter) {
let props = [];
max = max || 3;
if (!object) {
return props;
}
// Hardcode tiny mode to avoid recursive handling.
let mode = "tiny";
try {
for (let name in object) {
if (props.length > max) {
return props;
}
let value;
try {
value = object[name];
} catch (exc) {
continue;
}
let t = typeof value;
if (filter(t, value)) {
props.push(PropRep({
mode: mode,
name: name,
object: value,
equal: ": ",
delim: ", ",
}));
}
}
} catch (err) {
console.error(err);
}
return props;
},
render: function () {
let object = this.props.object;
let props = this.safePropIterator(object);
let objectLink = this.props.objectLink || span;
if (this.props.mode == "tiny" || !props.length) {
return (
span({className: "objectBox objectBox-object"},
objectLink({className: "objectTitle"}, this.getTitle(object))
)
);
}
return (
span({className: "objectBox objectBox-object"},
this.getTitle(object),
objectLink({
className: "objectLeftBrace",
object: object
}, " { "),
...props,
objectLink({
className: "objectRightBrace",
object: object
}, " }")
)
);
},
});
function supportsObject(object, type) {
return true;
}
// Exports from this module
exports.Obj = {
rep: Obj,
supportsObject: supportsObject
};
});
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