diff options
Diffstat (limited to 'node_modules/svgo/plugins/removeUnknownsAndDefaults.js')
| -rw-r--r-- | node_modules/svgo/plugins/removeUnknownsAndDefaults.js | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/node_modules/svgo/plugins/removeUnknownsAndDefaults.js b/node_modules/svgo/plugins/removeUnknownsAndDefaults.js deleted file mode 100644 index e76e4e5f..00000000 --- a/node_modules/svgo/plugins/removeUnknownsAndDefaults.js +++ /dev/null @@ -1,212 +0,0 @@ -'use strict'; - -const { visitSkip, detachNodeFromParent } = require('../lib/xast.js'); -const { collectStylesheet, computeStyle } = require('../lib/style.js'); -const { - elems, - attrsGroups, - elemsGroups, - attrsGroupsDefaults, - presentationNonInheritableGroupAttrs, -} = require('./_collections'); - -exports.name = 'removeUnknownsAndDefaults'; -exports.description = - 'removes unknown elements content and attributes, removes attrs with default values'; - -// resolve all groups references - -/** - * @type {Map<string, Set<string>>} - */ -const allowedChildrenPerElement = new Map(); -/** - * @type {Map<string, Set<string>>} - */ -const allowedAttributesPerElement = new Map(); -/** - * @type {Map<string, Map<string, string>>} - */ -const attributesDefaultsPerElement = new Map(); - -for (const [name, config] of Object.entries(elems)) { - /** - * @type {Set<string>} - */ - const allowedChildren = new Set(); - if (config.content) { - for (const elementName of config.content) { - allowedChildren.add(elementName); - } - } - if (config.contentGroups) { - for (const contentGroupName of config.contentGroups) { - const elemsGroup = elemsGroups[contentGroupName]; - if (elemsGroup) { - for (const elementName of elemsGroup) { - allowedChildren.add(elementName); - } - } - } - } - /** - * @type {Set<string>} - */ - const allowedAttributes = new Set(); - if (config.attrs) { - for (const attrName of config.attrs) { - allowedAttributes.add(attrName); - } - } - /** - * @type {Map<string, string>} - */ - const attributesDefaults = new Map(); - if (config.defaults) { - for (const [attrName, defaultValue] of Object.entries(config.defaults)) { - attributesDefaults.set(attrName, defaultValue); - } - } - for (const attrsGroupName of config.attrsGroups) { - const attrsGroup = attrsGroups[attrsGroupName]; - if (attrsGroup) { - for (const attrName of attrsGroup) { - allowedAttributes.add(attrName); - } - } - const groupDefaults = attrsGroupsDefaults[attrsGroupName]; - if (groupDefaults) { - for (const [attrName, defaultValue] of Object.entries(groupDefaults)) { - attributesDefaults.set(attrName, defaultValue); - } - } - } - allowedChildrenPerElement.set(name, allowedChildren); - allowedAttributesPerElement.set(name, allowedAttributes); - attributesDefaultsPerElement.set(name, attributesDefaults); -} - -/** - * Remove unknown elements content and attributes, - * remove attributes with default values. - * - * @author Kir Belevich - * - * @type {import('./plugins-types').Plugin<'removeUnknownsAndDefaults'>} - */ -exports.fn = (root, params) => { - const { - unknownContent = true, - unknownAttrs = true, - defaultAttrs = true, - defaultMarkupDeclarations = true, - uselessOverrides = true, - keepDataAttrs = true, - keepAriaAttrs = true, - keepRoleAttr = false, - } = params; - const stylesheet = collectStylesheet(root); - - return { - instruction: { - enter: (node) => { - if (defaultMarkupDeclarations) { - node.value = node.value.replace(/\s*standalone\s*=\s*(["'])no\1/, ''); - } - }, - }, - element: { - enter: (node, parentNode) => { - // skip namespaced elements - if (node.name.includes(':')) { - return; - } - // skip visiting foreignObject subtree - if (node.name === 'foreignObject') { - return visitSkip; - } - - // remove unknown element's content - if (unknownContent && parentNode.type === 'element') { - const allowedChildren = allowedChildrenPerElement.get( - parentNode.name, - ); - if (allowedChildren == null || allowedChildren.size === 0) { - // remove unknown elements - if (allowedChildrenPerElement.get(node.name) == null) { - detachNodeFromParent(node, parentNode); - return; - } - } else { - // remove not allowed children - if (allowedChildren.has(node.name) === false) { - detachNodeFromParent(node, parentNode); - return; - } - } - } - - const allowedAttributes = allowedAttributesPerElement.get(node.name); - const attributesDefaults = attributesDefaultsPerElement.get(node.name); - const computedParentStyle = - parentNode.type === 'element' - ? computeStyle(stylesheet, parentNode) - : null; - - // remove element's unknown attrs and attrs with default values - for (const [name, value] of Object.entries(node.attributes)) { - if (keepDataAttrs && name.startsWith('data-')) { - continue; - } - if (keepAriaAttrs && name.startsWith('aria-')) { - continue; - } - if (keepRoleAttr && name === 'role') { - continue; - } - // skip xmlns attribute - if (name === 'xmlns') { - continue; - } - // skip namespaced attributes except xml:* and xlink:* - if (name.includes(':')) { - const [prefix] = name.split(':'); - if (prefix !== 'xml' && prefix !== 'xlink') { - continue; - } - } - - if ( - unknownAttrs && - allowedAttributes && - allowedAttributes.has(name) === false - ) { - delete node.attributes[name]; - } - if ( - defaultAttrs && - node.attributes.id == null && - attributesDefaults && - attributesDefaults.get(name) === value - ) { - // keep defaults if parent has own or inherited style - if (computedParentStyle?.[name] == null) { - delete node.attributes[name]; - } - } - if (uselessOverrides && node.attributes.id == null) { - const style = computedParentStyle?.[name]; - if ( - presentationNonInheritableGroupAttrs.has(name) === false && - style != null && - style.type === 'static' && - style.value === value - ) { - delete node.attributes[name]; - } - } - } - }, - }, - }; -}; |