diff --git a/.babelrc b/.babelrc
new file mode 100644
index 0000000..aa15da6
--- /dev/null
+++ b/.babelrc
@@ -0,0 +1,12 @@
+{
+ "presets": [
+ [
+ "@babel/preset-env",
+ {
+ "useBuiltIns": "usage",
+ "corejs": 3
+ }
+ ]
+ ],
+ "plugins": ["@babel/plugin-transform-runtime"]
+}
diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..c3fab73
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,26 @@
+node_version: &node_version 'lts'
+source_dir: &source_dir debuggable
+version: 2.1
+orbs:
+ gh: gebruederheitz/wordpress-deployment@1
+workflows:
+ version: 2
+ test-and-build:
+ jobs:
+ - gh/test:
+ name: test
+ context: slack-secrets
+ node_modules_path: node_modules
+ node_version: *node_version
+ package_lock_path: package-lock.json
+ source_dir: *source_dir
+ - gh/build_assets:
+ name: build
+ context: slack-secrets
+ requires:
+ - test
+ checkout: true
+ build_task_name: ci-build
+ node_version: *node_version
+ package_lock_path: package-lock.json
+ source_dir: *source_dir
diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 0000000..402b80b
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1,3 @@
+dist/*
+node_modules/*
+
diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..1db69dc
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,27 @@
+{
+ "env": {
+ "browser": true,
+ "es6": true,
+ },
+ "extends": [
+ "eslint:recommended",
+ "plugin:prettier/recommended",
+ "prettier"
+ ],
+ "rules": {
+ "indent": ["error", 4, { "SwitchCase": 1 }],
+ "linebreak-style": ["error", "unix"],
+ "quotes": ["error", "single"],
+ "semi": ["error", "always"],
+ "react/prop-types": "off",
+ "react/react-in-jsx-scope": "off",
+ "react/display-name": "off",
+ "prettier/prettier": "error"
+ },
+ "parser": "@babel/eslint-parser",
+ "parserOptions": {
+ "sourceType": "module",
+ "ecmaVersion": 2021
+ },
+ "plugins": ["prettier", "@babel"]
+}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aac7f2a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+node_modules/
+.idea/
+
+.npmrc
+yarn-error.log
+
+dist/
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..fbaacf5
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,11 @@
+.eslintignore
+.eslintrc
+.postcssrc
+.prettierrc
+.rollup.config.js
+.stylelintrc
+.yarnrc.yaml
+Gulpfile.esm.js
+
+demo/
+test/
diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..3c03207
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+18
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..b284944
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,17 @@
+{
+ "singleQuote": true,
+ "tabWidth": 4,
+ "trailingComma": "es5",
+ "useTabs": false,
+ "overrides": [
+ {
+ "files": [
+ "scss/wordpress/_blocks.scss",
+ "scss/editor/_elements.scss"
+ ],
+ "options": {
+ "printWidth": 200
+ }
+ }
+ ]
+}
diff --git a/.release-it.yaml b/.release-it.yaml
new file mode 100644
index 0000000..01bd4d3
--- /dev/null
+++ b/.release-it.yaml
@@ -0,0 +1,14 @@
+git:
+ commitMessage: "[chore] Release v${version}"
+ requireBranch: main
+github:
+ release: true
+ web: true
+ releaseName: "${version}: "
+npm:
+ publish: true
+hooks:
+ before:init:
+ - make test
+ - make build
+ after:release: "echo Successfully released ${name} v${version} to ${repo.repository} and NPM."
diff --git a/.rollup.config.js b/.rollup.config.js
new file mode 100644
index 0000000..fe38707
--- /dev/null
+++ b/.rollup.config.js
@@ -0,0 +1,65 @@
+import babel from '@rollup/plugin-babel';
+// import commonjs from '@rollup/plugin-commonjs';
+// import resolve from '@rollup/plugin-node-resolve';
+
+function serve() {
+ let server;
+ function toExit() {
+ if (server) server.kill(0);
+ }
+ return {
+ writeBundle() {
+ if (server) return;
+ server = require('child_process').spawn(
+ 'npm',
+ ['run', `start`, '--', '--dev'],
+ {
+ stdio: ['ignore', 'inherit', 'inherit'],
+ shell: true,
+ }
+ );
+
+ process.on('SIGTERM', toExit);
+ process.on('exit', toExit);
+ },
+ };
+}
+
+const babelConfig = (bundledHelpers = false) => ({
+ babelrc: false,
+ exclude: [/\/core-js\//, 'node_modules/**'],
+ sourceMaps: true,
+ inputSourceMap: true,
+ babelHelpers: bundledHelpers ? 'bundled' : 'runtime',
+ presets: [
+ [
+ '@babel/preset-env',
+ {
+ useBuiltIns: 'usage',
+ corejs: 3,
+ }
+ ],
+ ],
+ plugins: bundledHelpers ? [] : [
+ '@babel/plugin-transform-runtime',
+ ],
+});
+
+export default [
+ {
+ external: [
+ /@babel\/runtime/,
+ ],
+ input: 'src/index.js',
+ output: {
+ file: 'dist/index.mjs',
+ format: 'esm',
+ sourcemap: true,
+ },
+ plugins: [
+ // resolve(),
+ babel(babelConfig()),
+ // commonjs(),
+ ],
+ },
+];
diff --git a/.yarnrc.yml b/.yarnrc.yml
new file mode 100644
index 0000000..c40d00d
--- /dev/null
+++ b/.yarnrc.yml
@@ -0,0 +1 @@
+npmPublishAccess: "public"
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..0ad25db
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,661 @@
+ GNU AFFERO GENERAL PUBLIC LICENSE
+ Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc.
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
+ The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+ Developers that use our General Public Licenses protect your rights
+with two steps: (1) assert copyright on the software, and (2) offer
+you this License which gives you legal permission to copy, distribute
+and/or modify the software.
+
+ A secondary benefit of defending all users' freedom is that
+improvements made in alternate versions of the program, if they
+receive widespread use, become available for other developers to
+incorporate. Many developers of free software are heartened and
+encouraged by the resulting cooperation. However, in the case of
+software used on network servers, this result may fail to come about.
+The GNU General Public License permits making a modified version and
+letting the public access it on a server without ever releasing its
+source code to the public.
+
+ The GNU Affero General Public License is designed specifically to
+ensure that, in such cases, the modified source code becomes available
+to the community. It requires the operator of a network server to
+provide the source code of the modified version running there to the
+users of that server. Therefore, public use of a modified version, on
+a publicly accessible server, gives the public access to the source
+code of the modified version.
+
+ An older license, called the Affero General Public License and
+published by Affero, was designed to accomplish similar goals. This is
+a different license, not a version of the Affero GPL, but Affero has
+released a new version of the Affero GPL which permits relicensing under
+this license.
+
+ The precise terms and conditions for copying, distribution and
+modification follow.
+
+ TERMS AND CONDITIONS
+
+ 0. Definitions.
+
+ "This License" refers to version 3 of the GNU Affero General Public License.
+
+ "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+ "The Program" refers to any copyrightable work licensed under this
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+"recipients" may be individuals or organizations.
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+in a fashion requiring copyright permission, other than the making of an
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+earlier work or a work "based on" the earlier work.
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+ A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+ To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
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+public, and in some countries other activities as well.
+
+ To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies. Mere interaction with a user through
+a computer network, with no transfer of a copy, is not conveying.
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+tells the user that there is no warranty for the work (except to the
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+ The Corresponding Source for a work in source code form is that
+same work.
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+ All rights granted under this License are granted for the term of
+copyright on the Program, and are irrevocable provided the stated
+conditions are met. This License explicitly affirms your unlimited
+permission to run the unmodified Program. The output from running a
+covered work is covered by this License only if the output, given its
+content, constitutes a covered work. This License acknowledges your
+rights of fair use or other equivalent, as provided by copyright law.
+
+ You may make, run and propagate covered works that you do not
+convey, without conditions so long as your license otherwise remains
+in force. You may convey covered works to others for the sole purpose
+of having them make modifications exclusively for you, or provide you
+with facilities for running those works, provided that you comply with
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+for you must do so exclusively on your behalf, under your direction
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+your copyrighted material outside their relationship with you.
+
+ Conveying under any other circumstances is permitted solely under
+the conditions stated below. Sublicensing is not allowed; section 10
+makes it unnecessary.
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+ 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+ No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+ When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such circumvention
+is effected by exercising rights under this License with respect to
+the covered work, and you disclaim any intention to limit operation or
+modification of the work as a means of enforcing, against the work's
+users, your or third parties' legal rights to forbid circumvention of
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+ 4. Conveying Verbatim Copies.
+
+ You may convey verbatim copies of the Program's source code as you
+receive it, in any medium, provided that you conspicuously and
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+keep intact all notices stating that this License and any
+non-permissive terms added in accord with section 7 apply to the code;
+keep intact all notices of the absence of any warranty; and give all
+recipients a copy of this License along with the Program.
+
+ You may charge any price or no price for each copy that you convey,
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+
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+unpacking, reading or copying.
+
+ 7. Additional Terms.
+
+ "Additional permissions" are terms that supplement the terms of this
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+Additional permissions that are applicable to the entire Program shall
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+this License without regard to the additional permissions.
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+
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+
+ 8. Termination.
+
+ You may not propagate or modify a covered work except as expressly
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+this License (including any patent licenses granted under the third
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+
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+
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+your receipt of the notice.
+
+ Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
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+material under section 10.
+
+ 9. Acceptance Not Required for Having Copies.
+
+ You are not required to accept this License in order to receive or
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+covered work, you indicate your acceptance of this License to do so.
+
+ 10. Automatic Licensing of Downstream Recipients.
+
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+propagate that work, subject to this License. You are not responsible
+for enforcing compliance by third parties with this License.
+
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+the predecessor has it or can get it with reasonable efforts.
+
+ You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License. For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
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+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+ 11. Patents.
+
+ A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based. The
+work thus licensed is called the contributor's "contributor version".
+
+ A contributor's "essential patent claims" are all patent claims
+owned or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version. For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+ Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+ In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement). To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+ If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients. "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+ If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+ A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License. You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+ Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+ 12. No Surrender of Others' Freedom.
+
+ If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all. For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+ 13. Remote Network Interaction; Use with the GNU General Public License.
+
+ Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
+Source of your version by providing access to the Corresponding Source
+from a network server at no charge, through some standard or customary
+means of facilitating copying of software. This Corresponding Source
+shall include the Corresponding Source for any work covered by version 3
+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+ Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work. The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+ 14. Revised Versions of this License.
+
+ The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time. Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+ Each version is given a distinguishing version number. If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation. If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+ If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+ Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+ 15. Disclaimer of Warranty.
+
+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+
+ Copyright (C)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see .
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..aa2243d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,27 @@
+# Watch sources and host demo content on http://localhost:8080
+dev:
+ . $$NVM_DIR/nvm.sh && nvm use && \
+ npm i && npm run watch
+
+build:
+ . $$NVM_DIR/nvm.sh && nvm use && \
+ npm i && npm run build
+
+lint:
+ . $$NVM_DIR/nvm.sh && nvm use && \
+ npm i && npm run lint
+
+release:
+ . $$NVM_DIR/nvm.sh && nvm use && \
+ npm run release
+
+#============================================================= CI TASKS ========
+
+ci-lint:
+ npm i && npm run lint
+
+
+test: ci-lint
+
+ci-build:
+ npm i && npm run build
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..96a3ea9
--- /dev/null
+++ b/README.md
@@ -0,0 +1,223 @@
+# Debuggable
+
+_Flexible debug output for browser applications._
+
+---
+
+## Installation
+
+```shell
+> npm i @gebruederheitz/debuggable
+```
+
+## Usage
+
+The library exports a singleton object, which can be used directly, or to spawn
+further child debuggers. While it's enabled (which is the default state) it will
+simply proxy its arguments through to `console`. Currently implemented are the
+methods `log()`, `warn()` and `error()`.
+
+```js
+import { debug } from '@gebruederheitz/debuggable';
+
+const object = 'world';
+debug.log('Hello %s.', object); // Will print "Hello world." to the browser console.
+
+debug.disable(); // You could alternatively use `debug.toggle(false);`
+debug.log('Goodbye!') // Will now not output anything.
+```
+
+### Spawing children and using namespaces
+
+Namespaces make it easier to identify where a particular log message came from.
+They also allow filtering the console for messages from a particular component
+quite simply.
+
+```js
+const childLogger = debug.spawn('child');
+childLogger.log('happy');
+
+/*
+-->> [child] happy
+
+ */
+```
+
+
+Child debuggers are disabled and enabled with their parent, while maintaining
+their internal state. This sounds more complicated than it is:
+
+```js
+const child = debug.spawn('child');
+child.log('something') // logs something
+
+child.disable();
+child.log('something') // doesn't log anything, because "locally disabled"
+
+debug.disable();
+child.enable();
+child.log('something') // doesn't log anything, because globally disabled
+
+debug.enable();
+child.log('something') // logs something
+```
+
+
+Here's some example usage with ES classes, each using their own child instance:
+
+```js
+import { debug } from '@gebruederheitz/debuggable';
+
+class MyModule {
+ constructor() {
+ this.debug = debug.spawn('MyModule');
+ }
+
+ someMethod(arg) {
+ this.debug.log('User has called someMethod with', arg);
+ }
+
+ quiet() {
+ this.debug.disable();
+ }
+}
+
+class OtherModule {
+ constructor() {
+ this.debug = debug.spawn('OtherModule');
+ }
+
+ otherMethod() {
+ this.debug.log('otherMethod has been called!');
+ }
+}
+
+const x = new MyModule();
+const y = new OtherModule();
+x.someMethod('someArg');
+y.otherMethod();
+
+x.quiet();
+x.someMethod('otherArg'); // no output
+y.otherMethod();
+
+debug.disable();
+x.someMethod(42); // no output
+y.otherMethod(); // no output
+```
+
+Resulting output:
+
+```
+>> [MyModule] User has called someMethod with someArg
+>> [OtherModule] otherMethod has been called!
+>> [OtherModule] otherMethod has been called!
+```
+
+
+### On-Page Console
+
+This feature is particularly useful for debugging web applications on mobile
+devices, particularly ones you might not have direct access to – i.e. whenever
+using remote or USB debugging is impractical or impossible. Somewhere on the
+page running your scripts you'll insert an empty `div` element with the ID
+attribute `debug-visualize`, and enable "visualisation" on the debug object.
+
+Now the debugger will replicate any console output into this "fake console"
+element, allowing you to read your app's debug messages without access to the
+browser console. Obviously this is not suitable for production use.
+
+```html
+
+```
+
+```js
+debug.toggleVisualization(true);
+// Use toggleVisualization(false) to turn it back off again
+debug.spawn('Test').log('Hello!');
+```
+
+```html
+
+
+
+ [Test] Hello!
+
+
+
+```
+
+
+### Helpers & Utilities
+
+
+#### `timeout()`
+
+I sometimes use this to simulate any asynchronous action, like a network request
+that might take a while. It simply wraps the native `setTimeout()` in a Promise
+and returns that, so it's a convenient one-liner in an async flow:
+
+```js
+async function getDataFromApi() {
+ // @TODO: write actual API request once backend team is ready
+ await debug.timeout(1200) // Wait for 1.2 seconds to simulate a request
+
+ return {
+ success: true,
+ data: {
+ items: [],
+ },
+ };
+}
+```
+
+#### `devnull()`
+
+Slightly silly, but I found it useful during development to just shut the
+linters up (and especially TS) while I'm working with method stubs. Maybe
+there's more or even better uses for this:
+
+```js
+class MyClass {
+ methodStub(knownArg) {
+ // It simply returns the args passed to it. Nothing else.
+ this.debug.devnull(knownArg);
+ }
+}
+
+```
+
+## Development
+
+
+### Dependencies
+
+- nodeJS LTS (18.x)
+- nice to have:
+ - GNU make or drop-in alternative
+ - NVM
+
+### Quickstart
+
+You can use the watch task:
+```shell
+$> nvm use
+$> npm run watch
+# or
+$> make
+# or, more explicitly
+$> make dev
+```
+
+After making your changes, run
+```shell
+$> npm run build
+# or
+$> make build
+```
+to create the ES-module build at `dist/index.mjs` and make
+certain everything runs smoothly. You should also run `make lint` at least once
+to avoid simple linting issues.
+
+When you're finished, you can use `make release` on the main branch to publish
+your changes.
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..a940f3c
--- /dev/null
+++ b/package.json
@@ -0,0 +1,52 @@
+{
+ "name": "@gebruederheitz/debuggable",
+ "version": "2.6.0",
+ "description": "Flexible debug output for browser applications.",
+ "main": "dist/index.mjs",
+ "module": "dist/index.mjs",
+ "private": false,
+ "scripts": {
+ "build": "rollup -c ./.rollup.config.js",
+ "lint": "eslint src/",
+ "release": "release-it --only-version",
+ "test": "echo \"Error: no test specified\" && exit 1",
+ "watch": "rollup -c ./.rollup.config.js -w",
+ },
+ "engines": {
+ "node": "^18"
+ },
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/gebruederheitz/debuggable.git"
+ },
+ "keywords": [
+ "debug",
+ "log",
+ "console"
+ ],
+ "author": "Andreas Maros ",
+ "license": "GPL-3.0-only",
+ "bugs": {
+ "url": "https://github.com/gebruederheitz/debuggable/issues"
+ },
+ "homepage": "https://github.com/gebruederheitz/debuggable#readme",
+ "dependencies": {
+ "@babel/runtime": "^7.14.6",
+ "core-js": "^3.15.2"
+ },
+ "devDependencies": {
+ "@babel/eslint-parser": "^7.19.1",
+ "@babel/eslint-plugin": "^7.19.1",
+ "@babel/plugin-transform-runtime": "^7.14.5",
+ "@babel/preset-env": "^7.14.7",
+ "@rollup/plugin-babel": "^5.3.0",
+ "@rollup/plugin-commonjs": "^19.0.0",
+ "@rollup/plugin-node-resolve": "^13.0.0",
+ "eslint": "^7.30.0",
+ "eslint-config-prettier": "^8.3.0",
+ "eslint-plugin-prettier": "^3.4.0",
+ "prettier": "^2.3.2",
+ "release-it": "^14.12.4",
+ "rollup": "^2.53.1"
+ }
+}
diff --git a/src/debug-visualizer.js b/src/debug-visualizer.js
new file mode 100644
index 0000000..cd9ac81
--- /dev/null
+++ b/src/debug-visualizer.js
@@ -0,0 +1,102 @@
+export class DebugVisualizer {
+ /** @type Element | null */
+ element = null;
+
+ constructor() {
+ const container = document.querySelector('#debug-visualize');
+ if (!container) {
+ return;
+ }
+
+ container.style.display = 'block';
+ container.style.maxHeight = '50vh';
+ container.style.overflowY = 'auto';
+ container.style.fontSize = '1.5em';
+
+ this.element = document.createElement('div');
+ this.element.classList.add('console');
+ this.element.style.width = '100%';
+ }
+
+ getPrint(level) {
+ return (...args) => {
+ if (!this.element) {
+ return;
+ }
+
+ let string = '';
+
+ args.forEach((arg, i) => {
+ if (!arg) {
+ return;
+ }
+
+ if (i > 0) {
+ string += ' ';
+ }
+
+ if (arg.startsWith && arg.startsWith('%c')) {
+ arg = arg.substring(2);
+ }
+
+ if (arg === 'font-weight:bold;') {
+ return;
+ }
+
+ if (arg.substring) {
+ string += arg;
+ } else {
+ string += JSON.stringify(arg);
+ }
+ });
+
+ const entry = this._getEntryElement(level);
+
+ if (this.element.childElementCount > 0) {
+ const insertionPoint = this.element.firstElementChild;
+ this.element.insertBefore(entry, insertionPoint);
+ } else {
+ this.element.appendChild(entry);
+ }
+ };
+ }
+
+ get log() {
+ return this.getPrint('log');
+ }
+
+ get warn() {
+ return this.getPrint('warn');
+ }
+
+ get error() {
+ return this.getPrint('error');
+ }
+
+ _getEntryElement(level) {
+ let borderColor = '#aaa';
+ let textColor = '#222';
+
+ if (level === 'warn') {
+ textColor = '#540';
+ borderColor = '#870';
+ } else if (level === 'error') {
+ textColor = '#500';
+ borderColor = '#800';
+ }
+
+ const entry = document.createElement('CODE');
+ entry.innerText = string;
+ entry.classList.add('debug-visualize__entry');
+ entry.classList.add(`debug-visualize__entry--${level}`);
+ entry.style.display = 'block';
+ entry.style.marginBottom = '1rem';
+ entry.style.padding = '.25rem';
+ entry.style.paddingLeft = '.5rem'
+ entry.style.backgroundColor = '#ddd'
+ entry.style.borderLeft = `10px solid ${borderColor}`;
+ entry.style.color = textColor;
+
+ return entry;
+ }
+}
diff --git a/src/debug.js b/src/debug.js
new file mode 100644
index 0000000..0500e10
--- /dev/null
+++ b/src/debug.js
@@ -0,0 +1,120 @@
+// export interface DebugHelper {
+// log: (...args: unknown[]) => void;
+// warn: (...args: unknown[]) => void;
+// error: (...args: unknown[]) => void;
+// enable: () => void;
+// disable: () => void;
+// timeout: (ms: number) => Promise;
+// }
+
+import { DebugVisualizer } from './debug-visualizer.js';
+
+class BasicDebugHelper {
+ _enabled = false;
+ _namespace = null;
+ _parent = this;
+ _visualize = false;
+ _visualizer = new DebugVisualizer();
+
+ constructor(namespace = null, enabled = true, parent = null) {
+ if (namespace !== null) {
+ this._namespace = namespace;
+ }
+
+ this._enabled = enabled;
+
+ if (parent === null) {
+ this._parent = this;
+ } else {
+ this._parent = parent;
+ }
+ }
+
+ enable() {
+ this._enabled = true;
+
+ return this;
+ }
+
+ disable() {
+ this._enabled = false;
+
+ return this;
+ }
+
+ /**
+ * @param {boolean} toggle
+ */
+ toggleVisualization(toggle) {
+ this._visualize = toggle;
+ }
+
+ toggle(toggle) {
+ this._enabled = toggle;
+
+ return this;
+ }
+
+ log(...args) {
+ if (this._enabled) this._parent.log(...this._prefix, ...args);
+ }
+
+ warn(...args) {
+ if (this._enabled) this._parent.warn(...this._prefix, ...args);
+ }
+
+ error(...args) {
+ if (this._enabled) this._parent.error(...this._prefix, ...args);
+ }
+
+ devnull(...args) {
+ return args;
+ }
+
+ async timeout(ms) {
+ return new Promise((res) => {
+ setTimeout(() => res(), ms);
+ });
+ }
+
+ get _prefix() {
+ return this._namespace !== null
+ ? [`%c[${this._namespace}]`, 'font-weight:bold;']
+ : [''];
+ }
+}
+
+class GlobalDebugHelper extends BasicDebugHelper {
+ spawn(namespace = null) {
+ return new BasicDebugHelper(namespace, this._enabled, this);
+ }
+
+ log(...args) {
+ if (this._enabled) {
+ console.log(...args);
+ if (this._visualize) {
+ this._visualizer.log(...args);
+ }
+ }
+ }
+
+ warn(...args) {
+ if (this._enabled) {
+ console.warn(...args);
+ if (this._visualize) {
+ this._visualizer.warn(...args);
+ }
+ }
+ }
+
+ error(...args) {
+ if (this._enabled) {
+ console.error(...args);
+ if (this._visualize) {
+ this._visualizer.error(...args);
+ }
+ }
+ }
+}
+
+export const debug = new GlobalDebugHelper('Global');