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About m7-js-lib

README -> Usage TOC -> Architecture Index -> API Index

m7-js-lib is a normalization-first singleton utility runtime for frontend JavaScript.

It is intended to be the shared core for m7 browser libraries and to reduce repetitive defensive code patterns in application logic.

Core Model

m7-js-lib follows a pragmatic model:

  1. initialize one singleton core
  2. attach focused utility namespaces
  3. normalize/coerce broad input shapes into predictable outputs
  4. allow higher-level libraries to compose on top of stable helper contracts

This design keeps call sites linear and integration surfaces durable.

How It Works

1) Explicit bootstrap and singleton lifecycle

src/index.js exports init() and does not initialize on import.

src/auto.js imports index.js and immediately calls init() for convenience.

2) Coercion-first helper namespaces

Core modules (bool, array, hash, number, str, func, utils, args, dom, require, service) prioritize broad input acceptance and predictable output contracts.

3) Root-aware runtime behavior

Bootstrap installs lib._env and resolves root/environment behavior (globalThis, window, or global) where needed.

4) Modular composition order

Utility modules are installed in dependency order. Higher-level layers (dom, service, require, transport helpers) build on primitive layers.

Design Priorities

  • Singleton by intent.
  • Readability and maintainability over optimization theater.
  • Practical frontend performance.
  • Predictable behavior under malformed/partial input.
  • Ease of extension for other m7 modules.

Compatibility

m7-js-lib follows an ES6+ module posture and targets modern JavaScript runtimes.

Compatibility notes:

  • Requires ES module support.
  • DOM helpers require browser DOM APIs.
  • Core non-DOM helpers can run in non-browser runtimes where applicable.
  • No third-party runtime dependency is required by default.

See Also