projecte_ionic/node_modules/@angular-devkit/core/node/host.js
2022-02-09 18:30:03 +01:00

245 lines
8.8 KiB
JavaScript
Executable file

"use strict";
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.NodeJsSyncHost = exports.NodeJsAsyncHost = void 0;
const fs_1 = require("fs");
const path_1 = require("path");
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const src_1 = require("../src");
async function exists(path) {
try {
await fs_1.promises.access(path, fs_1.constants.F_OK);
return true;
}
catch {
return false;
}
}
// This will only be initialized if the watch() method is called.
// Otherwise chokidar appears only in type positions, and shouldn't be referenced
// in the JavaScript output.
let FSWatcher;
function loadFSWatcher() {
if (!FSWatcher) {
try {
// eslint-disable-next-line import/no-extraneous-dependencies
FSWatcher = require('chokidar').FSWatcher;
}
catch (e) {
if (e.code !== 'MODULE_NOT_FOUND') {
throw new Error('As of angular-devkit version 8.0, the "chokidar" package ' +
'must be installed in order to use watch() features.');
}
throw e;
}
}
}
/**
* An implementation of the Virtual FS using Node as the background. There are two versions; one
* synchronous and one asynchronous.
*/
class NodeJsAsyncHost {
get capabilities() {
return { synchronous: false };
}
write(path, content) {
return rxjs_1.from(fs_1.promises.mkdir(src_1.getSystemPath(src_1.dirname(path)), { recursive: true })).pipe(operators_1.mergeMap(() => fs_1.promises.writeFile(src_1.getSystemPath(path), new Uint8Array(content))));
}
read(path) {
return rxjs_1.from(fs_1.promises.readFile(src_1.getSystemPath(path))).pipe(operators_1.map((buffer) => new Uint8Array(buffer).buffer));
}
delete(path) {
return this.isDirectory(path).pipe(operators_1.mergeMap(async (isDirectory) => {
if (isDirectory) {
const recursiveDelete = async (dirPath) => {
for (const fragment of await fs_1.promises.readdir(dirPath)) {
const sysPath = path_1.join(dirPath, fragment);
const stats = await fs_1.promises.stat(sysPath);
if (stats.isDirectory()) {
await recursiveDelete(sysPath);
await fs_1.promises.rmdir(sysPath);
}
else {
await fs_1.promises.unlink(sysPath);
}
}
};
await recursiveDelete(src_1.getSystemPath(path));
}
else {
await fs_1.promises.unlink(src_1.getSystemPath(path));
}
}));
}
rename(from, to) {
return rxjs_1.from(fs_1.promises.rename(src_1.getSystemPath(from), src_1.getSystemPath(to)));
}
list(path) {
return rxjs_1.from(fs_1.promises.readdir(src_1.getSystemPath(path))).pipe(operators_1.map((names) => names.map((name) => src_1.fragment(name))));
}
exists(path) {
return rxjs_1.from(exists(src_1.getSystemPath(path)));
}
isDirectory(path) {
return this.stat(path).pipe(operators_1.map((stat) => stat.isDirectory()));
}
isFile(path) {
return this.stat(path).pipe(operators_1.map((stat) => stat.isFile()));
}
// Some hosts may not support stat.
stat(path) {
return rxjs_1.from(fs_1.promises.stat(src_1.getSystemPath(path)));
}
// Some hosts may not support watching.
watch(path, _options) {
return new rxjs_1.Observable((obs) => {
loadFSWatcher();
const watcher = new FSWatcher({ persistent: true }).add(src_1.getSystemPath(path));
watcher
.on('change', (path) => {
obs.next({
path: src_1.normalize(path),
time: new Date(),
type: 0 /* Changed */,
});
})
.on('add', (path) => {
obs.next({
path: src_1.normalize(path),
time: new Date(),
type: 1 /* Created */,
});
})
.on('unlink', (path) => {
obs.next({
path: src_1.normalize(path),
time: new Date(),
type: 2 /* Deleted */,
});
});
return () => watcher.close();
}).pipe(operators_1.publish(), operators_1.refCount());
}
}
exports.NodeJsAsyncHost = NodeJsAsyncHost;
/**
* An implementation of the Virtual FS using Node as the backend, synchronously.
*/
class NodeJsSyncHost {
get capabilities() {
return { synchronous: true };
}
write(path, content) {
return new rxjs_1.Observable((obs) => {
fs_1.mkdirSync(src_1.getSystemPath(src_1.dirname(path)), { recursive: true });
fs_1.writeFileSync(src_1.getSystemPath(path), new Uint8Array(content));
obs.next();
obs.complete();
});
}
read(path) {
return new rxjs_1.Observable((obs) => {
const buffer = fs_1.readFileSync(src_1.getSystemPath(path));
obs.next(new Uint8Array(buffer).buffer);
obs.complete();
});
}
delete(path) {
return this.isDirectory(path).pipe(operators_1.concatMap((isDir) => {
if (isDir) {
const dirPaths = fs_1.readdirSync(src_1.getSystemPath(path));
const rmDirComplete = new rxjs_1.Observable((obs) => {
fs_1.rmdirSync(src_1.getSystemPath(path));
obs.complete();
});
return rxjs_1.concat(...dirPaths.map((name) => this.delete(src_1.join(path, name))), rmDirComplete);
}
else {
try {
fs_1.unlinkSync(src_1.getSystemPath(path));
}
catch (err) {
return rxjs_1.throwError(err);
}
return rxjs_1.of(undefined);
}
}));
}
rename(from, to) {
return new rxjs_1.Observable((obs) => {
const toSystemPath = src_1.getSystemPath(to);
fs_1.mkdirSync(path_1.dirname(toSystemPath), { recursive: true });
fs_1.renameSync(src_1.getSystemPath(from), toSystemPath);
obs.next();
obs.complete();
});
}
list(path) {
return new rxjs_1.Observable((obs) => {
const names = fs_1.readdirSync(src_1.getSystemPath(path));
obs.next(names.map((name) => src_1.fragment(name)));
obs.complete();
});
}
exists(path) {
return new rxjs_1.Observable((obs) => {
obs.next(fs_1.existsSync(src_1.getSystemPath(path)));
obs.complete();
});
}
isDirectory(path) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
return this.stat(path).pipe(operators_1.map((stat) => stat.isDirectory()));
}
isFile(path) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
return this.stat(path).pipe(operators_1.map((stat) => stat.isFile()));
}
// Some hosts may not support stat.
stat(path) {
return new rxjs_1.Observable((obs) => {
obs.next(fs_1.statSync(src_1.getSystemPath(path)));
obs.complete();
});
}
// Some hosts may not support watching.
watch(path, _options) {
return new rxjs_1.Observable((obs) => {
const opts = { persistent: false };
loadFSWatcher();
const watcher = new FSWatcher(opts).add(src_1.getSystemPath(path));
watcher
.on('change', (path) => {
obs.next({
path: src_1.normalize(path),
time: new Date(),
type: 0 /* Changed */,
});
})
.on('add', (path) => {
obs.next({
path: src_1.normalize(path),
time: new Date(),
type: 1 /* Created */,
});
})
.on('unlink', (path) => {
obs.next({
path: src_1.normalize(path),
time: new Date(),
type: 2 /* Deleted */,
});
});
return () => watcher.close();
}).pipe(operators_1.publish(), operators_1.refCount());
}
}
exports.NodeJsSyncHost = NodeJsSyncHost;