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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import Processor from "./processor.mjs";
// For compatibility with console scripts:
print = console.log;
export class Group {
constructor(property, key, entry) {
this.property = property;
this.key = key;
this.count = 1;
this.entries = [entry];
this.percentage = undefined;
this.groups = undefined;
}
add(entry) {
this.count++;
this.entries.push(entry)
}
createSubGroups() {
this.groups = {};
for (let i = 0; i < Processor.kProperties.length; i++) {
let subProperty = Processor.kProperties[i];
if (this.property == subProperty) continue;
this.groups[subProperty] = Group.groupBy(this.entries, subProperty);
}
}
static groupBy(entries, property) {
let accumulator = Object.create(null);
let length = entries.length;
for (let i = 0; i < length; i++) {
let entry = entries[i];
let key = entry[property];
if (accumulator[key] == undefined) {
accumulator[key] = new Group(property, key, entry);
} else {
let group = accumulator[key];
if (group.entries == undefined) console.log([group, entry]);
group.add(entry)
}
}
let result = [];
for (let key in accumulator) {
let group = accumulator[key];
group.percentage = Math.round(group.count / length * 100 * 100) / 100;
result.push(group);
}
result.sort((a, b) => { return b.count - a.count });
return result;
}
}
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