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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, isGrip } = require("./rep-utils");
const { Caption } = createFactories(require("./caption"));
const { PropRep } = createFactories(require("./prop-rep"));
// Shortcuts
const { span } = React.DOM;
/**
* Renders an map. A map is represented by a list of its
* entries enclosed in curly brackets.
*/
const GripMap = React.createClass({
displayName: "GripMap",
propTypes: {
object: React.PropTypes.object,
mode: React.PropTypes.string,
},
getTitle: function (object) {
let title = object && object.class ? object.class : "Map";
if (this.props.objectLink) {
return this.props.objectLink({
object: object
}, title);
}
return title;
},
safeEntriesIterator: function (object, max) {
max = (typeof max === "undefined") ? 3 : max;
try {
return this.entriesIterator(object, max);
} catch (err) {
console.error(err);
}
return [];
},
entriesIterator: function (object, max) {
// Entry filter. Show only interesting entries to the user.
let isInterestingEntry = this.props.isInterestingEntry || ((type, value) => {
return (
type == "boolean" ||
type == "number" ||
(type == "string" && value.length != 0)
);
});
let mapEntries = object.preview && object.preview.entries
? object.preview.entries : [];
let indexes = this.getEntriesIndexes(mapEntries, max, isInterestingEntry);
if (indexes.length < max && indexes.length < mapEntries.length) {
// There are not enough entries yet, so we add uninteresting entries.
indexes = indexes.concat(
this.getEntriesIndexes(mapEntries, max - indexes.length, (t, value, name) => {
return !isInterestingEntry(t, value, name);
})
);
}
let entries = this.getEntries(mapEntries, indexes);
if (entries.length < mapEntries.length) {
// There are some undisplayed entries. Then display "more…".
let objectLink = this.props.objectLink || span;
entries.push(Caption({
key: "more",
object: objectLink({
object: object
}, `${mapEntries.length - max} more…`)
}));
}
return entries;
},
/**
* Get entries ordered by index.
*
* @param {Array} entries Entries array.
* @param {Array} indexes Indexes of entries.
* @return {Array} Array of PropRep.
*/
getEntries: function (entries, indexes) {
// Make indexes ordered by ascending.
indexes.sort(function (a, b) {
return a - b;
});
return indexes.map((index, i) => {
let [key, entryValue] = entries[index];
let value = entryValue.value !== undefined ? entryValue.value : entryValue;
return PropRep({
// key,
name: key,
equal: ": ",
object: value,
// Do not add a trailing comma on the last entry
// if there won't be a "more..." item.
delim: (i < indexes.length - 1 || indexes.length < entries.length) ? ", " : "",
mode: "tiny",
objectLink: this.props.objectLink,
});
});
},
/**
* Get the indexes of entries in the map.
*
* @param {Array} entries Entries array.
* @param {Number} max The maximum length of indexes array.
* @param {Function} filter Filter the entry you want.
* @return {Array} Indexes of filtered entries in the map.
*/
getEntriesIndexes: function (entries, max, filter) {
return entries
.reduce((indexes, [key, entry], i) => {
if (indexes.length < max) {
let value = (entry && entry.value !== undefined) ? entry.value : entry;
// Type is specified in grip's "class" field and for primitive
// values use typeof.
let type = (value && value.class ? value.class : typeof value).toLowerCase();
if (filter(type, value, key)) {
indexes.push(i);
}
}
return indexes;
}, []);
},
render: function () {
let object = this.props.object;
let props = this.safeEntriesIterator(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
}, " }")
)
);
},
});
function supportsObject(grip, type) {
if (!isGrip(grip)) {
return false;
}
return (grip.preview && grip.preview.kind == "MapLike");
}
// Exports from this module
exports.GripMap = {
rep: GripMap,
supportsObject: supportsObject
};
});
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