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svgo/plugins/removeEditorsNSData.js
Bogdan Chadkin 07f8d606e0
Implement preset-default plugin (#1513)
I saw complaints about `extendDefaultPlugins` api

- it cannot be used when svgo is installed globally
- it requires svgo to be installed when using svgo-loader or svgo-jsx
- it prevents using serializable config formats like json

In this diff I introduced the new plugin which is a bundle of all
default plugins.

```js
module.exports = {
  plugins: [
    'preset_default',
    // or
    {
      name: 'preset_default',
      floatPrecision: 4,
      overrides: {
        convertPathData: {
          applyTransforms: false
        }
      }
    }
  ]
}
```
2021-08-13 19:07:08 +03:00

68 lines
1.7 KiB
JavaScript

'use strict';
const { parseName } = require('../lib/svgo/tools.js');
const { editorNamespaces } = require('./_collections');
exports.name = 'removeEditorsNSData';
exports.type = 'perItem';
exports.active = true;
exports.description = 'removes editors namespaces, elements and attributes';
const prefixes = [];
exports.params = {
additionalNamespaces: [],
};
/**
* Remove editors namespaces, elements and attributes.
*
* @example
* <svg xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd">
* <sodipodi:namedview/>
* <path sodipodi:nodetypes="cccc"/>
*
* @param {Object} item current iteration item
* @param {Object} params plugin params
* @return {Boolean} if false, item will be filtered out
*
* @author Kir Belevich
*/
exports.fn = function (item, params) {
let namespaces = editorNamespaces;
if (Array.isArray(params.additionalNamespaces)) {
namespaces = [...editorNamespaces, ...params.additionalNamespaces];
}
if (item.type === 'element') {
if (item.isElem('svg')) {
for (const [name, value] of Object.entries(item.attributes)) {
const { prefix, local } = parseName(name);
if (prefix === 'xmlns' && namespaces.includes(value)) {
prefixes.push(local);
// <svg xmlns:sodipodi="">
delete item.attributes[name];
}
}
}
// <* sodipodi:*="">
for (const name of Object.keys(item.attributes)) {
const { prefix } = parseName(name);
if (prefixes.includes(prefix)) {
delete item.attributes[name];
}
}
// <sodipodi:*>
const { prefix } = parseName(item.name);
if (prefixes.includes(prefix)) {
return false;
}
}
};