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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* 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) {
// ReactJS
const React = require("devtools/client/shared/vendor/react");
// Dependencies
const { createFactories, isGrip } = require("./rep-utils");
const { Caption } = createFactories(require("./caption"));
const { PropRep } = createFactories(require("./prop-rep"));
// Shortcuts
const { span } = React.DOM;
/**
* Renders generic grip. Grip is client representation
* of remote JS object and is used as an input object
* for this rep component.
*/
const GripRep = React.createClass({
displayName: "Grip",
propTypes: {
object: React.PropTypes.object.isRequired,
mode: React.PropTypes.string,
isInterestingProp: React.PropTypes.func
},
getTitle: function (object) {
if (this.props.objectLink) {
return this.props.objectLink({
object: object
}, object.class);
}
return object.class || "Object";
},
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) {
if (object.preview && Object.keys(object.preview).includes("wrappedValue")) {
const { Rep } = createFactories(require("./rep"));
return [Rep({
object: object.preview.wrappedValue,
mode: this.props.mode || "tiny",
defaultRep: Grip,
})];
}
// Property filter. Show only interesting properties to the user.
let isInterestingProp = this.props.isInterestingProp || ((type, value) => {
return (
type == "boolean" ||
type == "number" ||
(type == "string" && value.length != 0)
);
});
let properties = object.preview
? object.preview.ownProperties
: {};
let propertiesLength = object.preview && object.preview.ownPropertiesLength
? object.preview.ownPropertiesLength
: object.ownPropertyLength;
if (object.preview && object.preview.safeGetterValues) {
properties = Object.assign({}, properties, object.preview.safeGetterValues);
propertiesLength += Object.keys(object.preview.safeGetterValues).length;
}
let indexes = this.getPropIndexes(properties, max, isInterestingProp);
if (indexes.length < max && indexes.length < propertiesLength) {
// There are not enough props yet. Then add uninteresting props to display them.
indexes = indexes.concat(
this.getPropIndexes(properties, max - indexes.length, (t, value, name) => {
return !isInterestingProp(t, value, name);
})
);
}
const truncate = Object.keys(properties).length > max;
let props = this.getProps(properties, indexes, truncate);
if (truncate) {
// There are some undisplayed props. Then display "more...".
let objectLink = this.props.objectLink || span;
props.push(Caption({
object: objectLink({
object: object
}, `${object.ownPropertyLength - max} more…`)
}));
}
return props;
},
/**
* Get props ordered by index.
*
* @param {Object} properties Props object.
* @param {Array} indexes Indexes of props.
* @param {Boolean} truncate true if the grip will be truncated.
* @return {Array} Props.
*/
getProps: function (properties, indexes, truncate) {
let props = [];
// Make indexes ordered by ascending.
indexes.sort(function (a, b) {
return a - b;
});
indexes.forEach((i) => {
let name = Object.keys(properties)[i];
let value = this.getPropValue(properties[name]);
props.push(PropRep(Object.assign({}, this.props, {
mode: "tiny",
name: name,
object: value,
equal: ": ",
delim: i !== indexes.length - 1 || truncate ? ", " : "",
defaultRep: Grip
})));
});
return props;
},
/**
* Get the indexes of props in the object.
*
* @param {Object} properties Props object.
* @param {Number} max The maximum length of indexes array.
* @param {Function} filter Filter the props you want.
* @return {Array} Indexes of interesting props in the object.
*/
getPropIndexes: function (properties, max, filter) {
let indexes = [];
try {
let i = 0;
for (let name in properties) {
if (indexes.length >= max) {
return indexes;
}
// Type is specified in grip's "class" field and for primitive
// values use typeof.
let value = this.getPropValue(properties[name]);
let type = (value.class || typeof value);
type = type.toLowerCase();
if (filter(type, value, name)) {
indexes.push(i);
}
i++;
}
} catch (err) {
console.error(err);
}
return indexes;
},
/**
* Get the actual value of a property.
*
* @param {Object} property
* @return {Object} Value of the property.
*/
getPropValue: function (property) {
let value = property;
if (typeof property === "object") {
let keys = Object.keys(property);
if (keys.includes("value")) {
value = property.value;
} else if (keys.includes("getterValue")) {
value = property.getterValue;
}
}
return value;
},
render: function () {
let object = this.props.object;
let props = this.safePropIterator(object,
(this.props.mode == "long") ? 100 : 3);
let objectLink = this.props.objectLink || span;
if (this.props.mode == "tiny") {
return (
span({className: "objectBox objectBox-object"},
this.getTitle(object),
objectLink({
className: "objectLeftBrace",
object: object
}, "")
)
);
}
return (
span({className: "objectBox objectBox-object"},
this.getTitle(object),
objectLink({
className: "objectLeftBrace",
object: object
}, " { "),
...props,
objectLink({
className: "objectRightBrace",
object: object
}, " }")
)
);
},
});
// Registration
function supportsObject(object, type) {
if (!isGrip(object)) {
return false;
}
return (object.preview && object.preview.ownProperties);
}
let Grip = {
rep: GripRep,
supportsObject: supportsObject
};
// Exports from this module
exports.Grip = Grip;
});
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