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os-paths

Determine common OS/platform paths (home, temp, ...)


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os-paths

Determine common OS/platform paths (home, temp, ...)

Build status (GHA) Build status (AppVeyor) Coverage status License Style Guide  
Repository Deno version NPM version NodeJS version npmJS Downloads JSDelivr Downloads

Installation (CJS/ESM/TypeScript)

npm install os-paths
# or... `npm install "git:github.com/rivy/js.os-paths"`
# or... `npm install "git:github.com/rivy/js.os-paths#v7.4.0"`
# or... `npm install "https://cdn.jsdelivr.net/gh/rivy/js.os-paths@v7.4.0/dist/os-paths.tgz"`
# or... `npm install "https://cdn.jsdelivr.net/gh/rivy/js.os-paths@COMMIT_SHA/dist/os-paths.tgz"`

Usage

CommonJS (CJS)
const osPaths = require('os-paths/cjs');
const home = osPaths.home();
const temp = osPaths.temp();
ECMAScript (ESM)/TypeScript
import osPaths from 'os-paths';
const home = osPaths.home();
const temp = osPaths.temp();
Deno
import osPaths from 'https://deno.land/x/os_paths@v7.4.0/src/mod.deno.ts';
//or (via CDN, [ie, JSDelivr with GitHub version/version-range, commit, 'latest' support])...
//import osPaths from 'https://cdn.jsdelivr.net/gh/rivy/js.os-paths@v7.4.0/src/mod.deno.ts';
//import osPaths from 'https://cdn.jsdelivr.net/gh/rivy/js.os-paths@COMMIT_SHA/src/mod.deno.ts';
const home = osPaths.home();
const temp = osPaths.temp();

API

Construction/Initialization

OSPaths()
const osPaths = require('os-paths/cjs'); // CJS
//or...
//import osPaths from 'os-paths'; // ESM/TypeScript
//import osPaths from 'https://deno.land/x/os_paths/src/mod.deno.ts'; // Deno

When importing this module, the object returned is a function object, OSPaths, augmented with attached methods. Additional OSPaths objects may be constructed by direct call of the imported OSPaths object (eg, const p = osPaths()) or by using new (eg, const p = new osPaths()). Notably, since the OSPaths object contains no instance state, all OSPaths objects will be functionally identical.

Methods

All methods return simple, platform-specific, and platform-compatible path strings which are normalized and have no trailing path separators.

The returned path strings are not guaranteed to already exist on the file system. So, the user application is responsible for directory construction, if/when needed. However, since all of these are standard OS directories, they should all exist without the need for user intervention.

If/when necessary, make-dir or mkdirp can be used to create the directories.

osPaths.home(): string | undefined
  • Returns the path string of the user's home directory (or undefined if the user's home directory is not resolvable).
console.log(osPaths.home());
//(*nix) => '/home/rivy
//(windows) =>  'C:\Users\rivy'
osPaths.temp(): string
  • Returns the path string of the system's default directory for temporary files.
console.log(osPaths.temp());
//(*nix) => '/tmp'
//(windows) =>  'C:\Users\rivy\AppData\Local\Temp'

temp() will always return a non-empty path string (as sanely as possible).

Supported Platforms

NodeJS

Requirements

NodeJS >= 4.01

CommonJS modules (CJS; *.js and *.cjs)

CJS is the basic supported output (with support for NodeJS versions as early as NodeJS-v4).

const osPaths = require('os-paths/cjs');
console.log(osPaths.home());
console.log(osPaths.temp());

Note: for CJS, require('os-paths') is supported for backward-compatibility and will execute correctly at run-time. However, require('os-paths') links to the default package type declarations which, though correct for Deno/ESM/TypeScript, are incorrect for CJS. This, then, leads to incorrect analysis of CJS files by static analysis tools such as TypeScript and Intellisense.

Using require('os-paths/cjs') is preferred as it associates the proper CJS type declarations and provides correct information to static analysis tools.

ECMAScript modules (ESM; *.mjs)
  • Requires OSPaths v6.0+.

OSPaths fully supports ESM imports.

import osPaths from 'os-paths';
console.log(osPaths.home());
console.log(osPaths.temp());

TypeScript (*.ts)

  • Requires OSPaths v5.0+.

As of v5.0+, OSPaths has been converted to a TypeScript-based module. As a consequence, TypeScript type definitions are automatically generated, bundled, and exported by the module.

Deno

Requirements

Deno >= v1.8.02

Required Permissions
  • --allow-env · allow access to the process environment variables
    This module/package requires access to various environment variables to determine platform configuration (eg, location of temp and user directories).
  • Requires OSPaths v6.0+.

OSPaths also fully supports use by Deno.

import osPaths from 'https://deno.land/x/os_paths/src/mod.deno.ts';
console.log(osPaths.home());
console.log(osPaths.temp());

Building and Contributing

Repository Build status (GHA) Build status (AppVeyor) Coverage status  
Quality status (Codacy) Quality status (CodeClimate) Quality status (CodeFactor)

Build requirements

  • NodeJS >= 10.14
  • a JavaScript package/project manager (npm or yarn)
  • git
optional
  • bmp (v0.0.6+) ... synchronizes version strings within the project
  • git-changelog (v1.1+) ... enables changelog automation

Quick build/test

npm install-test

Contributions/development

Reproducible setup (for CI or local development)
git clone "https://github.com/rivy/js.os-paths"
cd js.os-paths
# * note: for WinOS, replace `cp` with `copy` (or use [uutils](https://github.com/uutils/coreutils))
# npm
cp .deps-lock/package-lock.json .
npm clean-install
# yarn
cp .deps-lock/yarn.lock .
yarn --immutable --immutable-cache --check-cache
Project development scripts
> npm run help
...
usage: `npm run TARGET` or `npx run-s TARGET [TARGET..]`

TARGETs:

build               build/compile package
clean               remove build artifacts
coverage            calculate and display (or send) code coverage [alias: 'cov']
fix                 fix package issues (automated/non-interactive)
fix:lint            fix ESLint issues
fix:style           fix Prettier formatting issues
help                display help
lint                check for package code 'lint'
lint:audit          check for `npm audit` violations in project code
lint:commits        check for commit flaws (using `commitlint` and `cspell`)
lint:editorconfig   check for EditorConfig format flaws (using `editorconfig-checker`)
lint:lint           check for code 'lint' (using `eslint`)
lint:markdown       check for markdown errors (using `remark`)
lint:spell          check for spelling errors (using `cspell`)
lint:style          check for format imperfections (using `prettier`)
prerelease          clean, rebuild, and fully test (useful prior to publish/release)
realclean           remove all generated files
rebuild             clean and (re-)build project
refresh             clean and rebuild/regenerate all project artifacts
refresh:dist        clean, rebuild, and regenerate project distribution
retest              clean and (re-)test project
reset:hard          remove *all* generated files and reinstall dependencies
show:deps           show package dependencies
test                test package
test:code           test package code (use `--test-code=...` to pass options to testing harness)
test:types          test for type declaration errors (using `tsd`)
update              update/prepare for distribution [alias: 'dist']
update:changelog    update CHANGELOG (using `git changelog ...`)
update:dist         update distribution content
verify              fully (and verbosely) test package
Packaging & Publishing
Package
#=== * POSIX
# update project VERSION strings (package.json,...)
# * `bmp --[major|minor|patch]`; next VERSION in M.m.r (semver) format
bmp --minor
VERSION=$(cat VERSION)
git-changelog --next-tag "v${VERSION}" > CHANGELOG.mkd
# create/commit updates and distribution
git add package.json CHANGELOG.mkd README.md VERSION .bmp.yml
git commit -m "${VERSION}"
npm run clean && npm run update:dist && git add dist && git commit --amend --no-edit
# (optional) update/save dependency locks
# * note: `yarn import` of 'package-lock.json' (when available) is faster but may not work for later versions of 'package-lock.json'
rm -f package-lock.json yarn.lock
npm install --package-lock
yarn install
mkdir .deps-lock 2> /dev/null
cp package-lock.json .deps-lock/
cp yarn.lock .deps-lock/
git add .deps-lock
git commit --amend --no-edit
# tag VERSION commit
git tag -f "v${VERSION}"
# (optional) prerelease checkup
npm run prerelease
#=== * WinOS
@rem # update project VERSION strings (package.json,...)
@rem # * `bmp --[major|minor|patch]`; next VERSION in M.m.r (semver) format
bmp --minor
for /f %G in (VERSION) do @set "VERSION=%G"
git-changelog --next-tag "v%VERSION%" > CHANGELOG.mkd
@rem # create/commit updates and distribution
git add package.json CHANGELOG.mkd README.md VERSION .bmp.yml
git commit -m "%VERSION%"
npm run clean && npm run update:dist && git add dist && git commit --amend --no-edit
@rem # (optional) update/save dependency locks
@rem # * note: `yarn import` of 'package-lock.json' (when available) is faster but may not work for later versions of 'package-lock.json'
del package-lock.json yarn.lock 2>NUL
npm install --package-lock
yarn install
mkdir .deps-lock 2>NUL
copy /y package-lock.json .deps-lock >NUL
copy /y yarn.lock .deps-lock >NUL
git add .deps-lock
git commit --amend --no-edit
@rem # tag VERSION commit
git tag -f "v%VERSION%"
@rem # (optional) prerelease checkup
npm run prerelease
Publish
# publish
# * optional (will be done in 'prePublishOnly' by `npm publish`)
npm run clean && npm run test && npm run dist && git-changelog > CHANGELOG.mkd #expect exit code == 0
git diff-index --quiet HEAD || echo "[lint] ERROR uncommitted changes" # expect no output and exit code == 0
# *
npm publish # `npm publish --dry-run` will perform all prepublication actions and stop just before the actual publish push
# * if published to NPMjs with no ERRORs; push to deno.land with tag push
git push origin --tags

Contributions

Contributions are welcome.

Any pull requests should be based off of the default branch (master). And, whenever possible, please include tests for any new code, ensuring that local (via npm test) and remote CI testing passes.

By contributing to the project, you are agreeing to provide your contributions under the same license as the project itself.

License

MIT © Roy Ivy III

Footnotes

  1. With the conversion to a TypeScript-based project, due to tooling constraints, building and testing are more difficult and more limited on Node platforms earlier than NodeJS-v10. However, the generated CommonJS/UMD project code is fully tested (for NodeJS-v10+) and continues to be compatible with NodeJS-v4+.

  2. The Deno.permissions API (stabilized in Deno v1.8.0) is required to avoid needless panics or prompts by Deno during static imports of this module/package. Note: Deno v1.3.0+ may be used if the run flag --unstable is also used.

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Package last updated on 06 Feb 2023

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