ethers.js/misc/admin/lib/depgraph.js
2021-03-30 19:55:25 -04:00

103 lines
2.9 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.sort = exports.getOrdered = void 0;
const path_1 = require("./path");
const local_1 = require("./local");
class OrderedSet {
constructor() {
this._keys = [];
this._values = {};
}
add(key) {
this._values[key] = true;
this._keys = null;
}
contains(key) {
return !!this._values[key];
}
_sort() {
if (this._keys != null) {
return;
}
this._keys = Object.keys(this._values);
this._keys.sort();
}
get length() {
this._sort();
return this._keys.length;
}
get(index) {
this._sort();
return this._keys[index];
}
}
function getOrdered(skipNobuild) {
const packages = {};
const filenames = {};
// Maps packages to names to list of dependencies; { [ name:string]: Array<name: string> }
const deps = {};
let addDeps = (name, depends) => {
Object.keys(depends).forEach((dep) => {
// Not a package we manage
if (packages[dep] == null) {
return;
}
deps[name].add(dep);
});
};
for (let i = 0; i < path_1.dirnames.length; i++) {
let dirname = path_1.dirnames[i];
let info = local_1.getPackage(dirname);
if (skipNobuild && info._ethers_nobuild) {
continue;
}
packages[info.name] = info;
filenames[info.name] = dirname;
}
Object.keys(packages).forEach((name) => {
let info = packages[name];
deps[info.name] = new OrderedSet();
addDeps(info.name, info.dependencies || {});
addDeps(info.name, info.devDependencies || {});
});
let ordered = [];
let remaining = Object.keys(deps);
let isSatisfied = (name) => {
for (let i = 0; i < deps[name].length; i++) {
if (ordered.indexOf(deps[name].get(i)) === -1) {
return false;
}
}
return true;
};
while (remaining.length) {
let bail = true;
for (let i = 0; i < remaining.length; i++) {
if (!isSatisfied(remaining[i])) {
continue;
}
bail = false;
ordered.push(remaining[i]);
remaining.splice(i, 1);
break;
}
if (bail) {
throw new Error("Nothing processed; circular dependencies...");
}
}
return ordered.map((name) => filenames[name]);
}
exports.getOrdered = getOrdered;
function sort(dirnames) {
let ordered = getOrdered();
dirnames.sort((a, b) => {
let ai = ordered.indexOf(local_1.getPackage(a).name);
let bi = ordered.indexOf(local_1.getPackage(b).name);
if (ai === -1 || bi === -1) {
throw new Error("unknown dirname - " + [a, b].join(", "));
}
return ai - bi;
});
}
exports.sort = sort;