107 lines
7.6 KiB
JavaScript
107 lines
7.6 KiB
JavaScript
import * as pathUtil from 'path';
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import { rename, renameSync } from 'fs';
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import { async as existsAsync, sync as existsSync } from './exists.js';
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import { validateArgument } from './utils/validate.js';
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import { ErrDoesntExists } from './errors.js';
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import { EError } from './interfaces.js';
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import { sync as copySync } from './copy.js';
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import { sync as removeSync } from './remove.js';
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import { promisify } from 'util';
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import { async as mkdirAsync, sync as dirSync } from './dir.js';
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export const validateInput = (methodName, from, to) => {
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const methodSignature = methodName + '(from, to)';
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validateArgument(methodSignature, 'from', from, ['string']);
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validateArgument(methodSignature, 'to', to, ['string']);
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};
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// ---------------------------------------------------------
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// Sync
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// ---------------------------------------------------------
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export const sync = (from, to) => {
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try {
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renameSync(from, to);
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}
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catch (err) {
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// not the same device, rename doesnt work here
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if (err.code === EError.CROSS_DEVICE) {
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try {
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copySync(from, to);
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}
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catch (e) {
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throw e;
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}
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try {
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removeSync(from);
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}
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catch (e) {
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throw e;
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}
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return;
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}
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if (err.code !== EError.NOEXISTS) {
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// We can't make sense of this error. Rethrow it.
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throw err;
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}
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else {
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// Ok, source or destination path doesn't exist.
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// Must do more investigation.
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if (!existsSync(from)) {
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throw ErrDoesntExists(from);
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}
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if (!existsSync(to)) {
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// Some parent directory doesn't exist. Create it.
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dirSync(pathUtil.dirname(to));
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// Retry the attempt
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renameSync(from, to);
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}
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}
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}
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};
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// ---------------------------------------------------------
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// Async
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// ---------------------------------------------------------
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const ensureDestinationPathExistsAsync = (to) => {
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return new Promise((resolve, reject) => {
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const destDir = pathUtil.dirname(to);
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existsAsync(destDir)
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.then(dstExists => {
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if (!dstExists) {
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mkdirAsync(destDir).then(resolve, reject);
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}
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else {
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// Hah, no idea.
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reject();
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}
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})
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.catch(reject);
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});
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};
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export const async = (from, to) => {
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return new Promise((resolve, reject) => {
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promisify(rename)(from, to)
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.then(resolve)
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.catch(err => {
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if (err.code !== EError.NOEXISTS) {
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// Something unknown. Rethrow original error.
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reject(err);
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}
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else {
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// Ok, source or destination path doesn't exist.
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// Must do more investigation.
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existsAsync(from)
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.then(srcExists => {
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if (!srcExists) {
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reject(ErrDoesntExists(from));
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}
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else {
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ensureDestinationPathExistsAsync(to)
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// Retry the attempt
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.then(() => promisify(rename)(from, to))
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.then(resolve, reject);
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}
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})
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.catch(reject);
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}
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});
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});
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};
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