From 50767714101d4aba3a86d38eecd130d753895fa1 Mon Sep 17 00:00:00 2001 From: Jan Andrle Date: Mon, 17 Mar 2025 14:21:03 +0100 Subject: [PATCH] :zap: :bug: :abc: v0.9.3-alpha (#40) * :abc: * :zap: Replaces defined with name/host * :bug: __dde_reactive * :zap: v0.9.3 * :abc: examples+best paractises * :bug: :tv: fixes npm run docs * :zap: finalizes v0.9.3-alpha * :abc: :tv: coc tabs * :abc: --- .github/ISSUE_TEMPLATE/bug_report.md | 40 ++++ .github/ISSUE_TEMPLATE/documentation.md | 22 +++ .github/ISSUE_TEMPLATE/feature_request.md | 29 +++ .github/pull_request_template.md | 39 ++++ .github/workflows/npm-publish.yml | 18 ++ .npmrc | 3 + CODE_OF_CONDUCT.md | 134 ++++++++++++++ CONTRIBUTING.md | 174 ++++++++++++++++++ README.md | 56 +++--- bs/README.md | 5 +- dist/esm-with-signals.js | 43 ++--- dist/esm-with-signals.min.js | 7 +- dist/esm.js | 14 +- dist/esm.min.js | 2 +- dist/iife-with-signals.js | 43 ++--- dist/iife-with-signals.min.js | 7 +- dist/iife.js | 14 +- dist/iife.min.js | 2 +- .../examples/case-studies/data-dashboard.js | 52 ++---- .../examples/case-studies/image-gallery.js | 15 +- .../examples/case-studies/interactive-form.js | 23 +-- .../examples/debugging/dom-reactive-mark.html | 2 +- docs/components/mnemonic/elements-init.js | 4 +- docs/components/mnemonic/signals-init.js | 2 +- docs/index.html.js | 8 +- docs/p02-elements.html.js | 2 +- docs/p03-events.html.js | 2 +- docs/p04-signals.html.js | 69 ++++++- docs/p05-scopes.html.js | 2 +- docs/p07-debugging.html.js | 11 +- docs/p13-appendix.html.js | 105 ++--------- package-lock.json | 4 +- package.json | 9 +- src/dom-lib/scopes.js | 2 +- src/helpers.js | 18 -- src/memo.js | 2 +- src/signals-lib/signals-lib.js | 20 +- 37 files changed, 700 insertions(+), 304 deletions(-) create mode 100644 .github/ISSUE_TEMPLATE/bug_report.md create mode 100644 .github/ISSUE_TEMPLATE/documentation.md create mode 100644 .github/ISSUE_TEMPLATE/feature_request.md create mode 100644 .github/pull_request_template.md create mode 100644 .github/workflows/npm-publish.yml create mode 100644 .npmrc create mode 100644 CODE_OF_CONDUCT.md create mode 100644 CONTRIBUTING.md diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md new file mode 100644 index 0000000..ba8e321 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/bug_report.md @@ -0,0 +1,40 @@ +--- +name: Bug report +about: Create a report to help us improve +title: ":bug: " +labels: bug +assignees: '' +--- + +## Bug Description + + +## Steps to Reproduce + +1. +2. +3. + +## Expected Behavior + + +## Actual Behavior + + +## Code Sample + +```js +// Your code here +``` + +## Environment +- Browser and version: +- OS: +- dd version: +- Other relevant details: + +## Screenshots + + +## Additional Context + \ No newline at end of file diff --git a/.github/ISSUE_TEMPLATE/documentation.md b/.github/ISSUE_TEMPLATE/documentation.md new file mode 100644 index 0000000..df30219 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/documentation.md @@ -0,0 +1,22 @@ +--- +name: Documentation improvement +about: Suggest improvements to the documentation +title: ":abc: " +labels: documentation +assignees: '' +--- + +## Documentation Area + + +## Current Issue + + +## Suggested Improvement + + +## Example Content + + +## Additional Context + \ No newline at end of file diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md new file mode 100644 index 0000000..a7db801 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/feature_request.md @@ -0,0 +1,29 @@ +--- +name: Feature request +about: Suggest an idea for this project +title: ":zap: " +labels: enhancement +assignees: '' +--- + + +## Problem Statement + + +## Proposed Solution + + +## Use Cases + + +## Example Implementation + +```js +// Example code +``` + +## Alternatives Considered + + +## Additional Context + diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md new file mode 100644 index 0000000..834c750 --- /dev/null +++ b/.github/pull_request_template.md @@ -0,0 +1,39 @@ + + +## Description + + +## Related Issues + + +## Type of Change +- [ ] Bug fix (non-breaking change that fixes an issue) +- [ ] New feature (non-breaking change that adds functionality) +- [ ] Breaking change (fix or feature that would cause existing functionality to change) +- [ ] Documentation update +- [ ] Code refactoring +- [ ] Performance improvement +- [ ] Test update + +## Testing Performed + + +## Screenshots + + +## Checklist +- [ ] My code follows the code style of this project +- [ ] I have performed a self-review of my own code +- [ ] I have added tests that prove my fix is effective or that my feature works +- [ ] I have updated the documentation accordingly +- [ ] My changes generate no new warnings +- [ ] All existing tests are passing + +## Additional Notes + \ No newline at end of file diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml new file mode 100644 index 0000000..7304348 --- /dev/null +++ b/.github/workflows/npm-publish.yml @@ -0,0 +1,18 @@ +name: Publish Package to npmjs +on: + workflow_dispatch: + release: + types: [created] +jobs: + build: + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 + - uses: actions/setup-node@cdca7365b2dadb8aad0a33bc7601856ffabcc48e # v4.3.0 + with: + node-version: '20.16' + registry-url: 'https://registry.npmjs.org' + - run: npm ci + - run: npm publish + env: + NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }} diff --git a/.npmrc b/.npmrc new file mode 100644 index 0000000..ababd7a --- /dev/null +++ b/.npmrc @@ -0,0 +1,3 @@ +//registry.npmjs.org/:_authToken=${NODE_AUTH_TOKEN} +registry=https://registry.npmjs.org/ +always-auth=true diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md new file mode 100644 index 0000000..621fa84 --- /dev/null +++ b/CODE_OF_CONDUCT.md @@ -0,0 +1,134 @@ + +# Contributor Covenant Code of Conduct + +## Our Pledge + +We as members, contributors, and leaders pledge to make participation in our +community a harassment-free experience for everyone, regardless of age, body +size, visible or invisible disability, ethnicity, sex characteristics, gender +identity and expression, level of experience, education, socio-economic status, +nationality, personal appearance, race, caste, color, religion, or sexual +identity and orientation. + +We pledge to act and interact in ways that contribute to an open, welcoming, +diverse, inclusive, and healthy community. + +## Our Standards + +Examples of behavior that contributes to a positive environment for our +community include: + +* Demonstrating empathy and kindness toward other people +* Being respectful of differing opinions, viewpoints, and experiences +* Giving and gracefully accepting constructive feedback +* Accepting responsibility and apologizing to those affected by our mistakes, + and learning from the experience +* Focusing on what is best not just for us as individuals, but for the overall + community + +Examples of unacceptable behavior include: + +* The use of sexualized language or imagery, and sexual attention or advances of + any kind +* Trolling, insulting or derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or email address, + without their explicit permission +* Other conduct which could reasonably be considered inappropriate in a + professional setting + +## Enforcement Responsibilities + +Community leaders are responsible for clarifying and enforcing our standards of +acceptable behavior and will take appropriate and fair corrective action in +response to any behavior that they deem inappropriate, threatening, offensive, +or harmful. + +Community leaders have the right and responsibility to remove, edit, or reject +comments, commits, code, wiki edits, issues, and other contributions that are +not aligned to this Code of Conduct, and will communicate reasons for moderation +decisions when appropriate. + +## Scope + +This Code of Conduct applies within all community spaces, and also applies when +an individual is officially representing the community in public spaces. +Examples of representing our community include using an official e-mail address, +posting via an official social media account, or acting as an appointed +representative at an online or offline event. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be +reported to the community leaders responsible for enforcement at +andrle.jan@centrum.cz. +All complaints will be reviewed and investigated promptly and fairly. + +All community leaders are obligated to respect the privacy and security of the +reporter of any incident. + +## Enforcement Guidelines + +Community leaders will follow these Community Impact Guidelines in determining +the consequences for any action they deem in violation of this Code of Conduct: + +### 1. Correction + +**Community Impact**: Use of inappropriate language or other behavior deemed +unprofessional or unwelcome in the community. + +**Consequence**: A private, written warning from community leaders, providing +clarity around the nature of the violation and an explanation of why the +behavior was inappropriate. A public apology may be requested. + +### 2. Warning + +**Community Impact**: A violation through a single incident or series of +actions. + +**Consequence**: A warning with consequences for continued behavior. No +interaction with the people involved, including unsolicited interaction with +those enforcing the Code of Conduct, for a specified period of time. This +includes avoiding interactions in community spaces as well as external channels +like social media. Violating these terms may lead to a temporary or permanent +ban. + +### 3. Temporary Ban + +**Community Impact**: A serious violation of community standards, including +sustained inappropriate behavior. + +**Consequence**: A temporary ban from any sort of interaction or public +communication with the community for a specified period of time. No public or +private interaction with the people involved, including unsolicited interaction +with those enforcing the Code of Conduct, is allowed during this period. +Violating these terms may lead to a permanent ban. + +### 4. Permanent Ban + +**Community Impact**: Demonstrating a pattern of violation of community +standards, including sustained inappropriate behavior, harassment of an +individual, or aggression toward or disparagement of classes of individuals. + +**Consequence**: A permanent ban from any sort of public interaction within the +community. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], +version 2.1, available at +[https://www.contributor-covenant.org/version/2/1/code_of_conduct.html][v2.1]. + +Community Impact Guidelines were inspired by +[Mozilla's code of conduct enforcement ladder][Mozilla CoC]. + +For answers to common questions about this code of conduct, see the FAQ at +[https://www.contributor-covenant.org/faq][FAQ]. Translations are available at +[https://www.contributor-covenant.org/translations][translations]. + +[homepage]: https://www.contributor-covenant.org +[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html +[Mozilla CoC]: https://github.com/mozilla/diversity +[FAQ]: https://www.contributor-covenant.org/faq +[translations]: https://www.contributor-covenant.org/translations + diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 0000000..0247d8c --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,174 @@ +# Contributing to Deka DOM Elements + +Thank you for your interest in contributing to Deka DOM Elements (dd or DDE)! This document provides guidelines and +instructions for contributing to the project. + +## Table of Contents + +- [Code of Conduct](#code-of-conduct) +- [Getting Started](#getting-started) +- [Development Workflow](#development-workflow) +- [Commit Guidelines](#commit-guidelines) +- [Pull Request Process](#pull-request-process) +- [Issue Guidelines](#issue-guidelines) +- [Coding Standards](#coding-standards) +- [Testing](#testing) +- [Documentation](#documentation) + +## Code of Conduct + +Please be respectful and inclusive in your interactions with other contributors. We aim to foster a welcoming community +where everyone feels comfortable participating. + +## Getting Started + +1. **Fork the repository**: + - Click the "Fork" button on the GitHub repository + +2. **Clone your fork**: + ```bash + git clone https://github.com/YOUR-USERNAME/deka-dom-el.git + cd deka-dom-el + ``` + +3. **Set up the development environment**: + ```bash + npm ci + ``` + +4. **Add the upstream repository**: + ```bash + git remote add upstream https://github.com/jaandrle/deka-dom-el.git + ``` + +## Development Workflow + +1. **Create a new branch**: + ```bash + git checkout -b your-feature-branch + ``` + Use descriptive branch names that reflect the changes you're making. + +2. **Make your changes**: + - Write clean, modular code + - Follow the project's coding standards (see [Coding Standards](#coding-standards)) + - Include relevant tests for your changes + +3. ~**Run tests**:~ + ```bash + #npm test + ``` + +4. **Build the project**: + ```bash + npm run build + #or + bs/build.js + ``` + +5. **Preview documentation changes** (if applicable): + ```bash + npm run docs + #or + bs/docs.js + ``` + +…see [BS folder](./bs/README.md) for more info. + +## Commit Guidelines + +We use +[![git3moji](https://img.shields.io/badge/git3moji%E2%80%93v1-%E2%9A%A1%EF%B8%8F%F0%9F%90%9B%F0%9F%93%BA%F0%9F%91%AE%F0%9F%94%A4-fffad8.svg?style=flat-square)](https://robinpokorny.github.io/git3moji/) +for commit messages. This helps keep the commit history clear and consistent. + +``` +:emoji: Short summary of the change +``` +…for example: + +``` +:bug: Fix signal update not triggering on nested properties +:zap: Improve event delegation performance +:abc: Add documentation for custom elements +``` + +## Pull Request Process + +1. **Push your changes**: + ```bash + git push origin your-feature-branch + ``` + +2. **Open a Pull Request**: + - Go to the repository on GitHub + - Click "New Pull Request" + - Select your branch + - Provide a clear description of your changes + +3. **PR Guidelines**: + - Use a clear, descriptive title with the appropriate git3moji + - Reference any related issues + - Explain what the changes do and why they are needed + - List any dependencies that are required for the change + - Include screenshots or examples if applicable + +4. **Code Review**: + - Address any feedback from reviewers + - Make necessary changes and push to your branch + - The PR will be updated automatically + +5. **Merge**: + - Once approved, a maintainer will merge your PR + - The main branch is protected, so you cannot push directly to it + +## Issue Guidelines + +When creating an issue, please use the appropriate template and include as much information as possible: + +### Bug Reports + +- Use the `:bug:` emoji in the title +- Clearly describe the issue +- Include steps to reproduce +- Mention your environment (browser, OS, etc.) +- Add screenshots if applicable + +### Feature Requests + +- Use the `:zap:` emoji in the title +- Describe the feature clearly +- Explain why it would be valuable +- Include examples or mockups if possible + +### Documentation Improvements + +- Use the `:abc:` emoji in the title +- Identify what documentation needs improvement +- Suggest specific changes or additions + +## Coding Standards + +- Follow the existing code style in the project +- Use meaningful variable and function names +- Keep functions small and focused +- Add comments for complex logic +- Use TypeScript types appropriately + + + +## Documentation + +- Update the documentation when you add or modify features +- Document both API usage and underlying concepts +- Use clear, concise language +- Include examples where appropriate + +--- + +Thank you for contributing to Deka DOM Elements! Your efforts help make the project better for everyone. diff --git a/README.md b/README.md index 55a1f73..a9b94f2 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,7 @@ -**WIP** (the experimentation phase) +**Alpha** | [source code on GitHub](https://github.com/jaandrle/deka-dom-el) | [*mirrored* on Gitea](https://gitea.jaandrle.cz/jaandrle/deka-dom-el) +| [![git3moji](https://img.shields.io/badge/git3moji%E2%80%93v1-%E2%9A%A1%EF%B8%8F%F0%9F%90%9B%F0%9F%93%BA%F0%9F%91%AE%F0%9F%94%A4-fffad8.svg?style=flat-square)](https://robinpokorny.github.io/git3moji/)

Deka DOM Elements Logo @@ -39,7 +40,7 @@ function EmojiCounter({ initial }) { on("click", () => count.set(count.get() + 1)) ), - el("select", null, on.host(el=> el.value= initial), + el("select", null, on.defer(el=> el.value= initial), on("change", e => emoji.set(e.target.value)) ).append( el(Option, "🎉"), @@ -60,40 +61,30 @@ Creating reactive elements, components, and Web Components using the native ## Features at a Glance - ✅ **No build step required** — use directly in browsers or Node.js -- ☑️ **Lightweight** — ~10-15kB minified (original goal 10kB) with zero/minimal dependencies +- ☑️ **Lightweight** — ~10-15kB minified (original goal 10kB) with **zero**/minimal dependencies - ✅ **Declarative & functional approach** for clean, maintainable code - ✅ **Signals and events** for reactive UI - ✅ **Memoization for performance** — optimize rendering with intelligent caching -- ✅ **Optional build-in signals** with support for custom reactive implementations +- ✅ **Optional build-in signals** with support for custom reactive implementations (#39) - ✅ **Server-side rendering** support via [jsdom](https://github.com/jsdom/jsdom) -- ✅ **TypeScript support** (work in progress) +- ✅ **TypeScript support** - ☑️ **Support for debugging with browser DevTools** without extensions -- ☑️ **Enhanced Web Components** support (work in progress) - -## Why Another Library? - -This library bridges the gap between minimal solutions like van/hyperscript and more comprehensive frameworks like -[solid-js](https://github.com/solidjs/solid), offering a balanced trade-off between size, complexity, and usability. - -Following functional programming principles, dd\ starts with pure JavaScript (DOM API) and gradually adds -auxiliary functions. These range from minor improvements to advanced features for building complete declarative -reactive UI templates. - -A key advantage: any internal function (`assign`, `classListDeclarative`, `on`, `dispatchEvent`, `S`, etc.) can be used -independently while also working seamlessly together. This modular approach makes it easier to integrate the library -into existing projects. +- ☑️ **Enhanced Web Components** support ## Getting Started +### Documentation + +- [**Documentation and Guide**](https://jaandrle.github.io/deka-dom-el) +- [**Examples**](https://jaandrle.github.io/deka-dom-el/p15-examples.html) + ### Installation -#### npm ```bash -# TBD -# npm install deka-dom-el +npm install deka-dom-el --save ``` -#### CDN / Direct Script +…or via CDN / Direct Script: For CDN links and various build formats (ESM/IIFE, with/without signals, minified/unminified), see the [interactive format selector](https://jaandrle.github.io/deka-dom-el/) on the documentation site. @@ -113,10 +104,18 @@ format selector](https://jaandrle.github.io/deka-dom-el/) on the documentation s ``` -### Documentation +## Why Another Library? -- [**Interactive Guide**](https://jaandrle.github.io/deka-dom-el) -- [**Examples**](https://jaandrle.github.io/deka-dom-el/p15-examples.html) +This library bridges the gap between minimal solutions like van/hyperscript and more comprehensive frameworks like +[solid-js](https://github.com/solidjs/solid), offering a balanced trade-off between size, complexity, and usability. + +Following functional programming principles, dd\ starts with pure JavaScript (DOM API) and gradually adds +auxiliary functions. These range from minor improvements to advanced features for building complete declarative +reactive UI templates. + +A key advantage: any internal function (`assign`, `classListDeclarative`, `on`, `dispatchEvent`, `S`, etc.) can be used +independently while also working seamlessly together. This modular approach makes it easier to integrate the library +into existing projects. ## Understanding Signals @@ -127,6 +126,11 @@ Signals are the reactive backbone of Deka DOM Elements: - [TC39 Signals Proposal](https://github.com/tc39/proposal-signals) (future standard) - [Observer pattern](https://en.wikipedia.org/wiki/Observer_pattern) (underlying concept) +## Contributing + +We welcome contributions from the community! Please see our [Contributing Guide](CONTRIBUTING.md) for details on how to +get started, coding standards, commit guidelines, and the pull request process. + ## Inspiration and Alternatives - [vanjs-org/van](https://github.com/vanjs-org/van) — World's smallest reactive UI framework diff --git a/bs/README.md b/bs/README.md index 33ac7c4..d607e6f 100644 --- a/bs/README.md +++ b/bs/README.md @@ -2,15 +2,18 @@ This project uses [jaandrle/bs: The simplest possible build system using executable/bash scripts]( https://github.com/jaandrle/bs). -#### bs/build.js [--minify|--help] +#### bs/build.js [main|signals] [--no-types|--help] Generates alternative versions of the project (other than native ESM code). Also generates typescript definitions. #### bs/docs.js Generates documentation, from `docs/`. Uses “SSR” technique, using deka-dom-el itself. +For running use `npx serve dist/docs`. + #### bs/lint.sh Lints size of the project, jshint. See configs: - `package.json`: key `size-limit` - `package.json`: key `jshintConfig` +- `.editorconfig` diff --git a/dist/esm-with-signals.js b/dist/esm-with-signals.js index 06a87bb..75f5c8e 100644 --- a/dist/esm-with-signals.js +++ b/dist/esm-with-signals.js @@ -41,19 +41,6 @@ function observedAttributes(instance, observedAttribute2) { function kebabToCamel(name) { return name.replace(/-./g, (x) => x[1].toUpperCase()); } -var Defined = class extends Error { - constructor() { - super(); - const [curr, ...rest] = this.stack.split("\n"); - const curr_file = curr.slice(curr.indexOf("@"), curr.indexOf(".js:") + 4); - const curr_lib = curr_file.includes("src/helpers.js") ? "src/" : curr_file; - this.stack = rest.find((l) => !l.includes(curr_lib)) || curr; - } - get compact() { - const { stack } = this; - return stack.slice(0, stack.indexOf("@") + 1) + "\u2026" + stack.slice(stack.lastIndexOf("/")); - } -}; // src/dom-lib/common.js var enviroment = { @@ -303,7 +290,7 @@ var store_abort = /* @__PURE__ */ new WeakMap(); var scope = { /** * Gets the current scope - * @returns {Object} Current scope context + * @returns {typeof scopes[number]} Current scope context */ get current() { return scopes[scopes.length - 1]; @@ -663,9 +650,9 @@ function memo(key, generator) { memo.isScope = function(obj) { return obj[memoMark]; }; -memo.scope = function memoScope(fun, { signal: signal2, onlyLast } = {}) { +memo.scope = function memoScopeCreate(fun, { signal: signal2, onlyLast } = {}) { let cache = oCreate(); - function memoScope2(...args) { + function memoScope(...args) { if (signal2 && signal2.aborted) return fun.apply(this, args); let cache_local = onlyLast ? cache : oCreate(); @@ -680,10 +667,10 @@ memo.scope = function memoScope(fun, { signal: signal2, onlyLast } = {}) { cache = cache_local; return out; } - memoScope2[memoMark] = true; - memoScope2.clear = () => cache = oCreate(); - if (signal2) signal2.addEventListener("abort", memoScope2.clear); - return memoScope2; + memoScope[memoMark] = true; + memoScope.clear = () => cache = oCreate(); + if (signal2) signal2.addEventListener("abort", memoScope.clear); + return memoScope; }; // src/signals-lib/helpers.js @@ -800,17 +787,17 @@ signal.clear = function(...signals2) { }; var key_reactive = "__dde_reactive"; signal.el = function(s, map) { - map = memo.isScope(map) ? map : memo.scope(map, { onlyLast: true }); - const mark_start = createElement.mark({ type: "reactive", source: new Defined().compact }, true); + const mapScoped = memo.isScope(map) ? map : memo.scope(map, { onlyLast: true }); + const { current } = scope, { scope: sc } = current; + const mark_start = createElement.mark({ type: "reactive", component: sc && sc.name || "" }, true); const mark_end = mark_start.end; const out = enviroment.D.createDocumentFragment(); out.append(mark_start, mark_end); - const { current } = scope; const reRenderReactiveElement = (v) => { if (!mark_start.parentNode || !mark_end.parentNode) return removeSignalListener(s, reRenderReactiveElement); scope.push(current); - let els = map(v); + let els = mapScoped(v); scope.pop(); if (!Array.isArray(els)) els = [els]; @@ -830,7 +817,7 @@ signal.el = function(s, map) { current.host(on.disconnected( () => ( /*! Clears cached elements for reactive element `S.el` */ - map.clear() + mapScoped.clear() ) )); return out; @@ -902,9 +889,8 @@ var signals_config = { function removeSignalsFromElements(s, listener, ...notes) { const { current } = scope; current.host(function(element) { - if (element[key_reactive]) - return element[key_reactive].push([[s, listener], ...notes]); - element[key_reactive] = []; + if (!element[key_reactive]) element[key_reactive] = []; + element[key_reactive].push([[s, listener], ...notes]); if (current.prevent) return; on.disconnected( () => ( @@ -949,7 +935,6 @@ function toSignal(s, value, actions, readonly = false) { onclear, host, listeners: /* @__PURE__ */ new Set(), - defined: new Defined().stack, readonly }), enumerable: false, diff --git a/dist/esm-with-signals.min.js b/dist/esm-with-signals.min.js index e73ec54..adcf83e 100644 --- a/dist/esm-with-signals.min.js +++ b/dist/esm-with-signals.min.js @@ -1,4 +1,3 @@ -var W=(...t)=>Object.prototype.hasOwnProperty.call(...t);function A(t){return typeof t>"u"}function ot(t){let e=typeof t;return e!=="object"?e:t===null?"null":Object.prototype.toString.call(t)}function E(t,e){return t instanceof e}function ct(t,e){return Object.prototype.isPrototypeOf.call(e,t)}function _(t=null,e={}){return Object.create(t,e)}function v(...t){return Object.assign(...t)}function G(t,e){if(!t||!E(t,AbortSignal))return!0;if(!t.aborted)return t.addEventListener("abort",e),function(){t.removeEventListener("abort",e)}}function st(t,e){let{observedAttributes:n=[]}=t.constructor;return n.reduce(function(r,o){return r[wt(o)]=e(t,o),r},{})}function wt(t){return t.replace(/-./g,e=>e[1].toUpperCase())}var P=class extends Error{constructor(){super();let[e,...n]=this.stack.split(` -`),r=e.slice(e.indexOf("@"),e.indexOf(".js:")+4),o=r.includes("src/helpers.js")?"src/":r;this.stack=n.find(c=>!c.includes(o))||e}get compact(){let{stack:e}=this;return 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This removes all signals mapped to attributes (`S.observedAttributes`). + Investigate `__dde_attributes` key of the element. */v.clear(...Object.values(this[tt]))})(t),n};var bt={isSignal:J,processReactiveAttribute(t,e,n,r){if(!J(n))return n;let o=c=>{if(!t.isConnected)return M(n,o);r(e,c)};return nt(n,o),xt(n,o,t,e),n.get()}};function xt(t,e,...n){let{current:r}=x;r.host(function(o){o[N]||(o[N]=[]),o[N].push([[t,e],...n]),!r.prevent&&y.disconnected(()=>o[N].forEach(([[c,i]])=>M(c,i,c[l]&&c[l].host&&c[l].host()===o)))(o)})}var Tt=new FinalizationRegistry(function(t){v.clear({[l]:t})});function gt(t,e,n){let r=S(t?Dt:et),o=Et(r,e,n,t);return Tt.register(o,o[l]),o}var kt=b(S(),{stopPropagation(){this.skip=!0}});function Et(t,e,n,r=!1){let o=[];rt(n)!=="[object Object]"&&(n={});let{onclear:c}=v.symbols;n[c]&&(o.push(n[c]),delete n[c]);let{host:i}=x;return Reflect.defineProperty(t,l,{value:b(S(kt),{value:e,actions:n,onclear:o,host:i,listeners:new 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--- a/dist/esm.js +++ b/dist/esm.js @@ -274,7 +274,7 @@ var store_abort = /* @__PURE__ */ new WeakMap(); var scope = { /** * Gets the current scope - * @returns {Object} Current scope context + * @returns {typeof scopes[number]} Current scope context */ get current() { return scopes[scopes.length - 1]; @@ -634,9 +634,9 @@ function memo(key, generator) { memo.isScope = function(obj) { return obj[memoMark]; }; -memo.scope = function memoScope(fun, { signal, onlyLast } = {}) { +memo.scope = function memoScopeCreate(fun, { signal, onlyLast } = {}) { let cache = oCreate(); - function memoScope2(...args) { + function memoScope(...args) { if (signal && signal.aborted) return fun.apply(this, args); let cache_local = onlyLast ? cache : oCreate(); @@ -651,10 +651,10 @@ memo.scope = function memoScope(fun, { signal, onlyLast } = {}) { cache = cache_local; return out; } - memoScope2[memoMark] = true; - memoScope2.clear = () => cache = oCreate(); - if (signal) signal.addEventListener("abort", memoScope2.clear); - return memoScope2; + memoScope[memoMark] = true; + memoScope.clear = () => cache = oCreate(); + if (signal) signal.addEventListener("abort", memoScope.clear); + return memoScope; }; export { assign, diff --git a/dist/esm.min.js b/dist/esm.min.js index f3aa4a7..13eaba1 100644 --- a/dist/esm.min.js +++ b/dist/esm.min.js @@ -1 +1 @@ -var H=(...t)=>Object.prototype.hasOwnProperty.call(...t);function x(t){return typeof t>"u"}function h(t,e){return t instanceof e}function z(t,e){return Object.prototype.isPrototypeOf.call(e,t)}function R(t=null,e={}){return Object.create(t,e)}function v(...t){return Object.assign(...t)}function q(t,e){if(!t||!h(t,AbortSignal))return!0;if(!t.aborted)return t.addEventListener("abort",e),function(){t.removeEventListener("abort",e)}}var 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"src/" : curr_file; - this.stack = rest.find((l) => !l.includes(curr_lib)) || curr; - } - get compact() { - const { stack } = this; - return stack.slice(0, stack.indexOf("@") + 1) + "\u2026" + stack.slice(stack.lastIndexOf("/")); - } - }; // src/dom-lib/common.js var enviroment = { @@ -348,7 +335,7 @@ var DDE = (() => { var scope = { /** * Gets the current scope - * @returns {Object} Current scope context + * @returns {typeof scopes[number]} Current scope context */ get current() { return scopes[scopes.length - 1]; @@ -708,9 +695,9 @@ var DDE = (() => { memo.isScope = function(obj) { return obj[memoMark]; }; - memo.scope = function memoScope(fun, { signal: signal2, onlyLast } = {}) { + memo.scope = function memoScopeCreate(fun, { signal: signal2, onlyLast } = {}) { let cache = oCreate(); - function memoScope2(...args) { + function memoScope(...args) { if (signal2 && signal2.aborted) return fun.apply(this, args); let cache_local = onlyLast ? cache : oCreate(); @@ -725,10 +712,10 @@ var DDE = (() => { cache = cache_local; return out; } - memoScope2[memoMark] = true; - memoScope2.clear = () => cache = oCreate(); - if (signal2) signal2.addEventListener("abort", memoScope2.clear); - return memoScope2; + memoScope[memoMark] = true; + memoScope.clear = () => cache = oCreate(); + if (signal2) signal2.addEventListener("abort", memoScope.clear); + return memoScope; }; // src/signals-lib/helpers.js @@ -845,17 +832,17 @@ var DDE = (() => { }; var key_reactive = "__dde_reactive"; signal.el = function(s, map) { - map = memo.isScope(map) ? map : memo.scope(map, { onlyLast: true }); - const mark_start = createElement.mark({ type: "reactive", source: new Defined().compact }, true); + const mapScoped = memo.isScope(map) ? map : memo.scope(map, { onlyLast: true }); + const { current } = scope, { scope: sc } = current; + const mark_start = createElement.mark({ type: "reactive", component: sc && sc.name || "" }, true); const mark_end = mark_start.end; const out = enviroment.D.createDocumentFragment(); out.append(mark_start, mark_end); - const { current } = scope; const reRenderReactiveElement = (v) => { if (!mark_start.parentNode || !mark_end.parentNode) return removeSignalListener(s, reRenderReactiveElement); scope.push(current); - let els = map(v); + let els = mapScoped(v); scope.pop(); if (!Array.isArray(els)) els = [els]; @@ -875,7 +862,7 @@ var DDE = (() => { current.host(on.disconnected( () => ( /*! Clears cached elements for reactive element `S.el` */ - map.clear() + mapScoped.clear() ) )); return out; @@ -947,9 +934,8 @@ var DDE = (() => { function removeSignalsFromElements(s, listener, ...notes) { const { current } = scope; current.host(function(element) { - if (element[key_reactive]) - return element[key_reactive].push([[s, listener], ...notes]); - element[key_reactive] = []; + if (!element[key_reactive]) element[key_reactive] = []; + element[key_reactive].push([[s, listener], ...notes]); if (current.prevent) return; on.disconnected( () => ( @@ -994,7 +980,6 @@ var DDE = (() => { onclear, host, listeners: /* @__PURE__ */ new Set(), - defined: new Defined().stack, readonly }), enumerable: false, diff --git a/dist/iife-with-signals.min.js b/dist/iife-with-signals.min.js index c73e3bf..2214989 100644 --- a/dist/iife-with-signals.min.js +++ b/dist/iife-with-signals.min.js @@ -1,4 +1,3 @@ -var DDE=(()=>{var V=Object.defineProperty;var Ot=Object.getOwnPropertyDescriptor;var 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return obj[memoMark]; }; - memo.scope = function memoScope(fun, { signal, onlyLast } = {}) { + memo.scope = function memoScopeCreate(fun, { signal, onlyLast } = {}) { let cache = oCreate(); - function memoScope2(...args) { + function memoScope(...args) { if (signal && signal.aborted) return fun.apply(this, args); let cache_local = onlyLast ? cache : oCreate(); @@ -693,10 +693,10 @@ var DDE = (() => { cache = cache_local; return out; } - memoScope2[memoMark] = true; - memoScope2.clear = () => cache = oCreate(); - if (signal) signal.addEventListener("abort", memoScope2.clear); - return memoScope2; + memoScope[memoMark] = true; + memoScope.clear = () => cache = oCreate(); + if (signal) signal.addEventListener("abort", memoScope.clear); + return memoScope; }; return __toCommonJS(index_exports); })(); diff --git a/dist/iife.min.js b/dist/iife.min.js index 17a64b8..12e6a97 100644 --- a/dist/iife.min.js +++ b/dist/iife.min.js @@ -1 +1 @@ -var DDE=(()=>{var k=Object.defineProperty;var 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b/docs/components/examples/case-studies/data-dashboard.js index b588485..9aa78e9 100644 --- a/docs/components/examples/case-studies/data-dashboard.js +++ b/docs/components/examples/case-studies/data-dashboard.js @@ -23,14 +23,6 @@ export function DataDashboard() { conversion: [2.9, 3.5, 3.7, 2.6, 3.4, 3.5, 2.8, 2.8, 2.8, 3.1, 3.0, 2.7], months: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] }; - - // Application state - const selectedYear = S(2024); - const selectedDataType = S(/** @type {'sales' | 'visitors' | 'conversion'} */ ('sales')); - const isLoading = S(false); - const error = S(null); - - // Filter options const years = [2022, 2023, 2024]; const dataTypes = [ { id: 'sales', label: 'Sales', unit: 'K' }, @@ -38,42 +30,32 @@ export function DataDashboard() { { id: 'conversion', label: 'Conversion Rate', unit: '%' } ]; - // Computed values - const selectedData = S(() => { - return DATA[selectedDataType.get()]; - }); - - const currentDataType = S(() => { - return dataTypes.find(type => type.id === selectedDataType.get()); - }); - - const totalValue = S(() => { - const data = selectedData.get(); - return data.reduce((sum, value) => sum + value, 0); - }); - - const averageValue = S(() => { - const data = selectedData.get(); - return data.reduce((sum, value) => sum + value, 0) / data.length; - }); - - const highestValue = S(() => { - return Math.max(...selectedData.get()); - }); - - // Event handlers + // Filter options + const selectedYear = S(2024); const onYearChange = on("change", e => { selectedYear.set(parseInt(/** @type {HTMLSelectElement} */(e.target).value)); loadData(); }); - + const selectedDataType = S(/** @type {'sales' | 'visitors' | 'conversion'} */ ('sales')); const onDataTypeChange = on("click", e => { const type = /** @type {'sales' | 'visitors' | 'conversion'} */( /** @type {HTMLButtonElement} */(e.currentTarget).dataset.type); selectedDataType.set(type); }); + const currentDataType = S(() => dataTypes.find(type => type.id === selectedDataType.get())); + const selectedData = S(() => DATA[selectedDataType.get()]); + + // Values based on filters + const totalValue = S(() => selectedData.get().reduce((sum, value) => sum + value, 0)); + const averageValue = S(() => { + const data = selectedData.get(); + return data.reduce((sum, value) => sum + value, 0) / data.length; + }); + const highestValue = S(() => Math.max(...selectedData.get())); // Simulate data loading + const isLoading = S(false); + const error = S(null); function loadData() { isLoading.set(true); error.set(null); @@ -114,7 +96,7 @@ export function DataDashboard() { // Draw grid labels ctx.fillStyle = '#999'; ctx.font = '12px Arial'; - ctx.fillText(Math.round(maxValue * (i / 5)), 20, y + 5); + ctx.fillText(Math.round(maxValue * (i / 5)).toString(), 20, y + 5); } ctx.stroke(); @@ -154,7 +136,6 @@ export function DataDashboard() { ) ), - // Error message (only shown when there's an error) S.el(error, errorMsg => !errorMsg ? el() : el("div", { className: "error-message" }).append( @@ -163,7 +144,6 @@ export function DataDashboard() { ), ), - // Loading indicator S.el(isLoading, loading => !loading ? el() : el("div", { className: "loading-spinner" }) diff --git a/docs/components/examples/case-studies/image-gallery.js b/docs/components/examples/case-studies/image-gallery.js index e4dcec7..411e73a 100644 --- a/docs/components/examples/case-studies/image-gallery.js +++ b/docs/components/examples/case-studies/image-gallery.js @@ -27,25 +27,23 @@ const imagesSample = (url=> [ * @returns {HTMLElement} Gallery element */ export function ImageGallery(images= imagesSample) { - - // Application state - const selectedImageId = S(null); const filterTag = S('all'); const imagesToDisplay = S(() => { const tag = filterTag.get(); if (tag === 'all') return images; else return images.filter(img => img.alt.toLowerCase() === tag); }) + const onFilterChange = tag => on("click", () => { + filterTag.set(tag); + }); - // Derived state + // Lightbox + const selectedImageId = S(null); const selectedImage = S(() => { const id = selectedImageId.get(); return id ? images.find(img => img.id === id) : null; }); - const isLightboxOpen = S(() => selectedImage.get() !== null); - - // Event handlers const onImageClick = id => on("click", () => { selectedImageId.set(id); document.body.style.overflow = 'hidden'; // Prevent scrolling when lightbox is open @@ -76,9 +74,6 @@ export function ImageGallery(images= imagesSample) { const nextIndex = (currentIndex + 1) % images.length; selectedImageId.set(images[nextIndex].id); }; - const onFilterChange = tag => on("click", () => { - filterTag.set(tag); - }); // Keyboard navigation handler function handleKeyDown(e) { diff --git a/docs/components/examples/case-studies/interactive-form.js b/docs/components/examples/case-studies/interactive-form.js index 42b3ce1..0d2eced 100644 --- a/docs/components/examples/case-studies/interactive-form.js +++ b/docs/components/examples/case-studies/interactive-form.js @@ -73,8 +73,17 @@ export function Form({ initial }) { this.value[key] = value; } }); + /** + * Event handler for input events + * @param {"value"|"checked"} prop + * @returns {(ev: Event) => void} + * */ + const onChange= prop => ev => { + const input = /** @type {HTMLInputElement} */(ev.target); + S.action(formState, "update", /** @type {keyof FormState} */(input.id), input[prop]); + }; - // Derived signals for validation + // Form validate state const nameValid = S(() => formState.get().name.length >= 3); const emailValid = S(() => { const email = formState.get().email; @@ -89,8 +98,6 @@ export function Form({ initial }) { return password === confirmPassword && confirmPassword !== ''; }); const termsAgreed = S(() => formState.get().agreedToTerms); - - // Overall form validity const formValid = S(() => nameValid.get() && emailValid.get() && @@ -99,16 +106,6 @@ export function Form({ initial }) { termsAgreed.get() ); - // Event handlers - /** - * Event handler for input events - * @param {"value"|"checked"} prop - * @returns {(ev: Event) => void} - * */ - const onChange= prop => ev => { - const input = /** @type {HTMLInputElement} */(ev.target); - S.action(formState, "update", /** @type {keyof FormState} */(input.id), input[prop]); - }; const dispatcSubmit = dispatchEvent("form:submit", host); const onSubmit = on("submit", e => { e.preventDefault(); diff --git a/docs/components/examples/debugging/dom-reactive-mark.html b/docs/components/examples/debugging/dom-reactive-mark.html index 9b7ffaa..eb31dce 100644 --- a/docs/components/examples/debugging/dom-reactive-mark.html +++ b/docs/components/examples/debugging/dom-reactive-mark.html @@ -1,4 +1,4 @@ // Example of reactive element marker - + diff --git a/docs/components/mnemonic/elements-init.js b/docs/components/mnemonic/elements-init.js index 0893128..3ae5570 100644 --- a/docs/components/mnemonic/elements-init.js +++ b/docs/components/mnemonic/elements-init.js @@ -9,7 +9,7 @@ export function mnemonic(){ ), el("li").append( el("code", "el(, )[.append(...)]: "), - " — simple element containing only text", + " — simple element containing only text (accepts string, number or signal)", ), el("li").append( el("code", "el(, )[.append(...)]: "), @@ -26,6 +26,6 @@ export function mnemonic(){ el("li").append( el("code", "elNS()()[.append(...)]: "), " — typically SVG elements", - ) + ), ); } diff --git a/docs/components/mnemonic/signals-init.js b/docs/components/mnemonic/signals-init.js index 6e4429e..b9181e7 100644 --- a/docs/components/mnemonic/signals-init.js +++ b/docs/components/mnemonic/signals-init.js @@ -29,7 +29,7 @@ export function mnemonic(){ el("li").append( el("code", "S.clear(...)"), " — off and clear signals (most of the time it is not needed as reactive ", - "attributes and elements are cleared automatically)", + "attributes and elements are handled automatically)", ), ); } diff --git a/docs/index.html.js b/docs/index.html.js index b0bec30..3982987 100644 --- a/docs/index.html.js +++ b/docs/index.html.js @@ -82,7 +82,7 @@ export function page({ pkg, info }){ el("p").append(T` By separating these concerns, your code becomes more modular, testable, and easier to maintain. This - approach ${el("strong", "is not")} something new and/or special to dd. It’s based on ${el("a", { + approach ${el("strong", "is not something new and/or special to dd")}. It’s based on ${el("a", { textContent: "MVC", ...references.w_mvc })} (${el("a", { textContent: "MVVM", ...references.w_mvv })}), but is there presented in simpler form. `), @@ -105,7 +105,7 @@ export function page({ pkg, info }){ or directly include it from a CDN for quick prototyping. `), el("h4", "npm installation"), - el(code, { content: "npm install deka-dom-el # Coming soon", language: "shell", page_id }), + el(code, { content: "npm install deka-dom-el --save", language: "shell", page_id }), el("h4", "CDN / Direct Script Usage"), el("p").append(T` Use the interactive selector below to choose your preferred format: @@ -154,6 +154,10 @@ export function page({ pkg, info }){ Interactive demos with server-side pre-rendering`), el("li").append(T`${el("a", { href: "p13-appendix.html" }).append(el("strong", "Appendix & Summary"))} — Comprehensive reference and best practices`), + el("li").append(T`${el("a", { href: "p14-converter.html" }).append(el("strong", "HTML Converter"))} — + Convert HTML to dd JavaScript code`), + el("li").append(T`${el("a", { href: "p15-examples.html" }).append(el("strong", "Examples Gallery"))} — + Real-world application examples and case studies`), ), el("p").append(T` Each section builds on the previous ones, so we recommend following them in order. diff --git a/docs/p02-elements.html.js b/docs/p02-elements.html.js index bda75bf..ff47db2 100644 --- a/docs/p02-elements.html.js +++ b/docs/p02-elements.html.js @@ -208,6 +208,6 @@ export function page({ pkg, info }){ `), ), - el(mnemonic) + el(mnemonic), ); } diff --git a/docs/p03-events.html.js b/docs/p03-events.html.js index acbd302..9e1605b 100644 --- a/docs/p03-events.html.js +++ b/docs/p03-events.html.js @@ -136,7 +136,7 @@ export function page({ pkg, info }){ el("li", t`Set up lifecycle behaviors`), el("li", t`Integrate third-party libraries`), el("li", t`Create reusable element behaviors`), - el("li", t`Capture element references`) + el("li", t`Capture element references`), // TODO: add example? ) ), el("p").append(T` diff --git a/docs/p04-signals.html.js b/docs/p04-signals.html.js index f1f1849..06560e9 100644 --- a/docs/p04-signals.html.js +++ b/docs/p04-signals.html.js @@ -277,7 +277,72 @@ export function page({ pkg, info }){ `), el("li").append(T` ${el("strong", "Avoid infinite loops")}: Be careful when one signal updates another in a subscription - `) + `), + ), + el("p").append(T` + While signals provide powerful reactivity for complex UI interactions, they’re not always necessary. + A good approach is to started with variables/constants and when necessary, convert them to signals. + `), + + el("div", { className: "tabs" }).append( + el("div", { className: "tab", dataTab: "events" }).append( + el("h4", t`We can process form events without signals`), + el("p", t`This can be used when the form data doesn’t need to be reactive and we just waiting for + results.`), + el(code, { page_id, content: ` + const onFormSubmit = on("submit", e => { + e.preventDefault(); + const formData = new FormData(e.currentTarget); + // this can be sent to a server + // or processed locally + // e.g.: console.log(Object.fromEntries(formData)) + }); + // … + return el("form", null, onFormSubmit).append( + // … + ); + ` }) + ), + + el("div", { className: "tab", dataTab: "variables" }).append( + el("h4", t`We can use variables without signals`), + el("p", t`We use this when we dont’t need to reflect changes in the elsewhere (UI).`), + el(code, { page_id, content: ` + let canSubmit = false; + + const onFormSubmit = on("submit", e => { + e.preventDefault(); + if(!canSubmit) return; // some message + // … + }); + const onAllowSubmit = on("click", e => { + canSubmit = true; + }); + `}), + ), + + el("div", { className: "tab", dataTab: "state" }).append( + el("h4", t`Using signals`), + el("p", t`We use this when we need to reflect changes for example in the UI (e.g. enable/disable + buttons).`), + el(code, { page_id, content: ` + const canSubmit = S(false); + + const onFormSubmit = on("submit", e => { + e.preventDefault(); + // … + }); + const onAllowSubmit = on("click", e => { + canSubmit.set(true); + }); + + return el("form", null, onFormSubmit).append( + // ... + el("button", { textContent: "Allow Submit", type: "button" }, onAllowSubmit), + el("button", { disabled: S(()=> !canSubmit), textContent: "Submit" }) + ); + `}), + ), ), el("div", { className: "troubleshooting" }).append( @@ -298,6 +363,6 @@ export function page({ pkg, info }){ ) ), - el(mnemonic) + el(mnemonic), ); } diff --git a/docs/p05-scopes.html.js b/docs/p05-scopes.html.js index 81b6df9..418933e 100644 --- a/docs/p05-scopes.html.js +++ b/docs/p05-scopes.html.js @@ -55,7 +55,7 @@ export function page({ pkg, info }){ el(MyComponent); function MyComponent() { - // 2. access the host element + // 2. access the host element (or other scope related values) const { host } = scope; // 3. Add behavior to host diff --git a/docs/p07-debugging.html.js b/docs/p07-debugging.html.js index dd430a9..9344821 100644 --- a/docs/p07-debugging.html.js +++ b/docs/p07-debugging.html.js @@ -80,8 +80,7 @@ export function page({ pkg, info }){ el("li", t`listeners: A Set of functions called when the signal value changes`), el("li", t`actions: Custom actions that can be performed on the signal`), el("li", t`onclear: Functions to run when the signal is cleared`), - el("li", t`host: Reference to the host element/scope`), - el("li", t`defined: Stack trace information for debugging`), + el("li", t`host: Reference to the host element/scope in which the signal was created`), el("li", t`readonly: Boolean flag indicating if the signal is read-only`) ), el("p").append(T` @@ -114,7 +113,13 @@ export function page({ pkg, info }){ el("ul").append( el("li", t`That you’re using signal.set() to update the value, not modifying objects/arrays directly`), el("li", t`For mutable objects, ensure you’re using actions or making proper copies before updating`), - el("li", t`That the signal is actually connected to the DOM element (check your S.el or attribute binding code)`) + el("li", t`That the signal is actually connected to the DOM element (check your S.el or attribute binding + code)`), + el("li").append(T` + That you’re passing signal corecctly (without using ${el("code", "*.get()")}) and for ${el("code", + "S.el")} that you passing (derived) signals not a function (use ${el("code", + "S.el(S(()=> count.get() % 2), odd=> …)")}). + `), ), el(code, { src: fileURL("./components/examples/debugging/mutations.js"), page_id }), diff --git a/docs/p13-appendix.html.js b/docs/p13-appendix.html.js index 7cf5c2b..5841fbe 100644 --- a/docs/p13-appendix.html.js +++ b/docs/p13-appendix.html.js @@ -129,75 +129,6 @@ export function page({ pkg, info }){ `) ), - el("h4", t`Using Signals Appropriately`), - el("p").append(T` - While signals provide powerful reactivity for complex UI interactions, they’re not always necessary. - `), - - el("div", { className: "tabs" }).append( - el("div", { className: "tab", dataTab: "events" }).append( - el("h4", t`We can process form events without signals`), - el("p", t`This can be used when the form data doesn’t need to be reactive and we just waiting for - results.`), - el(code, { page_id, content: ` - const onFormSubmit = on("submit", e => { - e.preventDefault(); - const formData = new FormData(e.currentTarget); - // this can be sent to a server - // or processed locally - // e.g.: console.log(Object.fromEntries(formData)) - }); - // … - return el("form", null, onFormSubmit).append( - // … - ); - ` }) - ), - - el("div", { className: "tab", dataTab: "variables" }).append( - el("h4", t`We can use variables without signals`), - el("p", t`We use this when we dont’t need to reflect changes in the elsewhere (UI).`), - el(code, { page_id, content: ` - let canSubmit = false; - - const onFormSubmit = on("submit", e => { - e.preventDefault(); - if(!canSubmit) return; // some message - // … - }); - const onAllowSubmit = on("click", e => { - canSubmit = true; - }); - `}), - ), - - el("div", { className: "tab", dataTab: "state" }).append( - el("h4", t`Using signals`), - el("p", t`We use this when we need to reflect changes for example in the UI (e.g. enable/disable - buttons).`), - el(code, { page_id, content: ` - const canSubmit = S(false); - - const onFormSubmit = on("submit", e => { - e.preventDefault(); - // … - }); - const onAllowSubmit = on("click", e => { - canSubmit.set(true); - }); - - return el("form", null, onFormSubmit).append( - // ... - el("button", { textContent: "Allow Submit", type: "button" }, onAllowSubmit), - el("button", { disabled: S(()=> !canSubmit), textContent: "Submit" }) - ); - `}), - ), - el("p").append(T` - A good approach is to started with variables/constants and when necessary, convert them to signals. - `), - ), - el("h4", t`Migrating from Traditional Approaches`), el("p").append(T` When migrating from traditional DOM manipulation or other frameworks to dd: @@ -394,46 +325,46 @@ export function page({ pkg, info }){ el("tr").append( el("th", "Feature"), el("th", "dd"), - el("th", "React"), - el("th", "Vue"), - el("th", "Svelte") + el("th", "VanJS"), + el("th", "Solid"), + el("th", "Alpine") ) ), el("tbody").append( el("tr").append( el("td", "No Build Step Required"), el("td", "✅"), + el("td", "✅"), el("td", "⚠️ JSX needs transpilation"), - el("td", "⚠️ SFC needs compilation"), - el("td", "❌ Requires compilation") + el("td", "✅") ), el("tr").append( - el("td", "Bundle Size (minimal)"), - el("td", "~10-15kb"), - el("td", "~40kb+"), - el("td", "~33kb+"), - el("td", "Minimal runtime") + el("td", "Bundle Size (minified)"), + el("td", "~14kb"), + el("td", "~3kb"), + el("td", "~20kb"), + el("td", "~43kb") ), el("tr").append( el("td", "Reactivity Model"), el("td", "Signal-based"), - el("td", "Virtual DOM diffing"), - el("td", "Proxy-based"), - el("td", "Compile-time reactivity") + el("td", "Signal-based (basics only)"), + el("td", "Signal-based"), + el("td", "MVVM + Proxy") ), el("tr").append( el("td", "DOM Interface"), el("td", "Direct DOM API"), - el("td", "Virtual DOM"), - el("td", "Virtual DOM"), - el("td", "Compiled DOM updates") + el("td", "Direct DOM API"), + el("td", "Compiled DOM updates"), + el("td", "Directive-based") ), el("tr").append( el("td", "Server-Side Rendering"), el("td", "✅ Basic Support"), + el("td", "✅ Basic Support"), el("td", "✅ Advanced"), - el("td", "✅ Advanced"), - el("td", "✅ Advanced") + el("td", "❌") ) ) ), diff --git a/package-lock.json b/package-lock.json index e304e32..24b04a2 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,12 +1,12 @@ { "name": "deka-dom-el", - "version": "0.9.2-alpha", + "version": "0.9.3-alpha", "lockfileVersion": 3, "requires": true, "packages": { "": { "name": "deka-dom-el", - "version": "0.9.2-alpha", + "version": "0.9.3-alpha", "license": "MIT", "devDependencies": { "@size-limit/preset-small-lib": "~11.2", diff --git a/package.json b/package.json index 04020bf..9f36837 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "deka-dom-el", - "version": "0.9.2-alpha", + "version": "0.9.3-alpha", "description": "A low-code library that simplifies the creation of native DOM elements/components using small wrappers and tweaks.", "author": "Jan Andrle ", "license": "MIT", @@ -85,7 +85,12 @@ "modifyEsbuildConfig": { "platform": "browser" }, - "scripts": {}, + "scripts": { + "test": "echo \"Error: no tests yet\"", + "build": "bs/build.js", + "lint": "bs/lint.sh", + "docs": "bs/docs.js" + }, "keywords": [ "dom", "javascript", diff --git a/src/dom-lib/scopes.js b/src/dom-lib/scopes.js index 4b44772..3def65f 100644 --- a/src/dom-lib/scopes.js +++ b/src/dom-lib/scopes.js @@ -19,7 +19,7 @@ const store_abort= new WeakMap(); export const scope= { /** * Gets the current scope - * @returns {Object} Current scope context + * @returns {typeof scopes[number]} Current scope context */ get current(){ return scopes[scopes.length-1]; }, diff --git a/src/helpers.js b/src/helpers.js index 4ed4126..e3b1655 100644 --- a/src/helpers.js +++ b/src/helpers.js @@ -68,21 +68,3 @@ export function observedAttributes(instance, observedAttribute){ * @returns {string} The camelCase string */ function kebabToCamel(name){ return name.replace(/-./g, x=> x[1].toUpperCase()); } - -/** - * Error class for definition tracking - * Shows the correct stack trace for debugging (signal) creation - */ -export class Defined extends Error{ - constructor(){ - super(); - const [ curr, ...rest ]= this.stack.split("\n"); - const curr_file= curr.slice(curr.indexOf("@"), curr.indexOf(".js:")+4); - const curr_lib= curr_file.includes("src/helpers.js") ? "src/" : curr_file; - this.stack= rest.find(l=> !l.includes(curr_lib)) || curr; - } - get compact(){ - const { stack }= this; - return stack.slice(0, stack.indexOf("@")+1)+"…"+stack.slice(stack.lastIndexOf("/")); - } -} diff --git a/src/memo.js b/src/memo.js index 15da216..4a2507c 100644 --- a/src/memo.js +++ b/src/memo.js @@ -27,7 +27,7 @@ memo.isScope= function(obj){ return obj[memoMark]; }; * @param {AbortSignal} options.signal * @param {boolean} [options.onlyLast=false] * */ -memo.scope= function memoScope(fun, { signal, onlyLast }= {}){ +memo.scope= function memoScopeCreate(fun, { signal, onlyLast }= {}){ let cache= oCreate(); function memoScope(...args){ if(signal && signal.aborted) diff --git a/src/signals-lib/signals-lib.js b/src/signals-lib/signals-lib.js index 0ee5c34..f02b949 100644 --- a/src/signals-lib/signals-lib.js +++ b/src/signals-lib/signals-lib.js @@ -1,6 +1,6 @@ import { queueSignalWrite, mark } from "./helpers.js"; export { mark }; -import { hasOwn, Defined, oCreate, oAssign } from "../helpers.js"; +import { hasOwn, oCreate, oAssign } from "../helpers.js"; const Signal = oCreate(null, { get: { value(){ return read(this); } }, @@ -169,21 +169,21 @@ import { memo } from "../memo.js"; * Creates a reactive DOM element that re-renders when signal changes * * @param {Object} s - Signal object to watch - * @param {Function} map - Function mapping signal value to DOM elements + * @param {Function} mapScoped - Function mapping signal value to DOM elements * @returns {DocumentFragment} Fragment containing reactive elements */ signal.el= function(s, map){ - map= memo.isScope(map) ? map : memo.scope(map, { onlyLast: true }); - const mark_start= el.mark({ type: "reactive", source: new Defined().compact }, true); + const mapScoped= memo.isScope(map) ? map : memo.scope(map, { onlyLast: true }); + const { current }= scope, { scope: sc }= current; + const mark_start= el.mark({ type: "reactive", component: sc && sc.name || "" }, true); const mark_end= mark_start.end; const out= env.D.createDocumentFragment(); out.append(mark_start, mark_end); - const { current }= scope; const reRenderReactiveElement= v=> { if(!mark_start.parentNode || !mark_end.parentNode) // === `isConnected` or wasn’t yet rendered return removeSignalListener(s, reRenderReactiveElement); scope.push(current); - let els= map(v); + let els= mapScoped(v); scope.pop(); if(!Array.isArray(els)) els= [ els ]; @@ -202,7 +202,7 @@ signal.el= function(s, map){ reRenderReactiveElement(s.get()); current.host(on.disconnected(()=> /*! Clears cached elements for reactive element `S.el` */ - map.clear() + mapScoped.clear() )); return out; }; @@ -314,9 +314,8 @@ export const signals_config= { function removeSignalsFromElements(s, listener, ...notes){ const { current }= scope; current.host(function(element){ - if(element[key_reactive]) - return element[key_reactive].push([ [ s, listener ], ...notes ]); - element[key_reactive]= []; + if(!element[key_reactive]) element[key_reactive]= []; + element[key_reactive].push([ [ s, listener ], ...notes ]); if(current.prevent) return; // typically document.body, doenst need auto-remove as it should happen on page leave on.disconnected(()=> /*! Clears all Signals listeners added in the current scope/host (`S.el`, `assign`, …?). @@ -386,7 +385,6 @@ function toSignal(s, value, actions, readonly= false){ value: oAssign(oCreate(protoSigal), { value, actions, onclear, host, listeners: new Set(), - defined: new Defined().stack, readonly }), enumerable: false,