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feat: add postcss 8 support #121
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,101 +1,106 @@ | ||
| import { Root } from 'postcss' | ||
| import * as postcss from 'postcss' | ||
| import { Root, PluginCreator } from 'postcss' | ||
| // postcss-selector-parser does have typings but it's problematic to work with. | ||
| const selectorParser = require('postcss-selector-parser') | ||
|
|
||
| export default postcss.plugin('add-id', (options: any) => (root: Root) => { | ||
| const id: string = options | ||
| const keyframes = Object.create(null) | ||
| const pluginFn: PluginCreator<any> = options => ({ | ||
| postcssPlugin: 'add-id', | ||
| Once(root: Root) { | ||
| const id: string = options | ||
| const keyframes = Object.create(null) | ||
|
|
||
| root.each(function rewriteSelector(node: any) { | ||
| if (!node.selector) { | ||
| // handle media queries | ||
| if (node.type === 'atrule') { | ||
| if (node.name === 'media' || node.name === 'supports') { | ||
| node.each(rewriteSelector) | ||
| } else if (/-?keyframes$/.test(node.name)) { | ||
| // register keyframes | ||
| keyframes[node.params] = node.params = node.params + '-' + id | ||
| root.each(function rewriteSelector(node: any) { | ||
| if (!node.selector) { | ||
| // handle media queries | ||
| if (node.type === 'atrule') { | ||
| if (node.name === 'media' || node.name === 'supports') { | ||
| node.each(rewriteSelector) | ||
| } else if (/-?keyframes$/.test(node.name)) { | ||
| // register keyframes | ||
| keyframes[node.params] = node.params = node.params + '-' + id | ||
| } | ||
| } | ||
| return | ||
| } | ||
| return | ||
| } | ||
| node.selector = selectorParser((selectors: any) => { | ||
| selectors.each((selector: any) => { | ||
| let node: any = null | ||
| node.selector = selectorParser((selectors: any) => { | ||
| selectors.each((selector: any) => { | ||
| let node: any = null | ||
|
|
||
| // find the last child node to insert attribute selector | ||
| selector.each((n: any) => { | ||
| // ">>>" combinator | ||
| // and /deep/ alias for >>>, since >>> doesn't work in SASS | ||
| if ( | ||
| n.type === 'combinator' && | ||
| (n.value === '>>>' || n.value === '/deep/') | ||
| ) { | ||
| n.value = ' ' | ||
| n.spaces.before = n.spaces.after = '' | ||
| return false | ||
| } | ||
| // find the last child node to insert attribute selector | ||
| selector.each((n: any) => { | ||
| // ">>>" combinator | ||
| // and /deep/ alias for >>>, since >>> doesn't work in SASS | ||
| if ( | ||
| n.type === 'combinator' && | ||
| (n.value === '>>>' || n.value === '/deep/') | ||
| ) { | ||
| n.value = ' ' | ||
| n.spaces.before = n.spaces.after = '' | ||
| return false | ||
| } | ||
|
|
||
| // in newer versions of sass, /deep/ support is also dropped, so add a ::v-deep alias | ||
| if (n.type === 'pseudo' && n.value === '::v-deep') { | ||
| n.value = n.spaces.before = n.spaces.after = '' | ||
| return false | ||
| } | ||
| // in newer versions of sass, /deep/ support is also dropped, so add a ::v-deep alias | ||
| if (n.type === 'pseudo' && n.value === '::v-deep') { | ||
| n.value = n.spaces.before = n.spaces.after = '' | ||
| return false | ||
| } | ||
|
|
||
| if (n.type !== 'pseudo' && n.type !== 'combinator') { | ||
| node = n | ||
| if (n.type !== 'pseudo' && n.type !== 'combinator') { | ||
| node = n | ||
| } | ||
| }) | ||
|
|
||
| if (node) { | ||
| node.spaces.after = '' | ||
| } else { | ||
| // For deep selectors & standalone pseudo selectors, | ||
| // the attribute selectors are prepended rather than appended. | ||
| // So all leading spaces must be eliminated to avoid problems. | ||
| selector.first.spaces.before = '' | ||
| } | ||
|
|
||
| selector.insertAfter( | ||
| node, | ||
| selectorParser.attribute({ | ||
| attribute: id | ||
| }) | ||
| ) | ||
| }) | ||
| }).processSync(node.selector) | ||
| }) | ||
|
|
||
| if (node) { | ||
| node.spaces.after = '' | ||
| } else { | ||
| // For deep selectors & standalone pseudo selectors, | ||
| // the attribute selectors are prepended rather than appended. | ||
| // So all leading spaces must be eliminated to avoid problems. | ||
| selector.first.spaces.before = '' | ||
| // If keyframes are found in this <style>, find and rewrite animation names | ||
| // in declarations. | ||
| // Caveat: this only works for keyframes and animation rules in the same | ||
| // <style> element. | ||
| if (Object.keys(keyframes).length) { | ||
| root.walkDecls(decl => { | ||
| // individual animation-name declaration | ||
| if (/^(-\w+-)?animation-name$/.test(decl.prop)) { | ||
| decl.value = decl.value | ||
| .split(',') | ||
| .map(v => keyframes[v.trim()] || v.trim()) | ||
| .join(',') | ||
| } | ||
| // shorthand | ||
| if (/^(-\w+-)?animation$/.test(decl.prop)) { | ||
| decl.value = decl.value | ||
| .split(',') | ||
| .map(v => { | ||
| const vals = v.trim().split(/\s+/) | ||
| const i = vals.findIndex(val => keyframes[val]) | ||
| if (i !== -1) { | ||
| vals.splice(i, 1, keyframes[vals[i]]) | ||
| return vals.join(' ') | ||
| } else { | ||
| return v | ||
| } | ||
| }) | ||
| .join(',') | ||
| } | ||
|
|
||
| selector.insertAfter( | ||
| node, | ||
| selectorParser.attribute({ | ||
| attribute: id | ||
| }) | ||
| ) | ||
| }) | ||
| }).processSync(node.selector) | ||
| }) | ||
|
|
||
| // If keyframes are found in this <style>, find and rewrite animation names | ||
| // in declarations. | ||
| // Caveat: this only works for keyframes and animation rules in the same | ||
| // <style> element. | ||
| if (Object.keys(keyframes).length) { | ||
| root.walkDecls(decl => { | ||
| // individual animation-name declaration | ||
| if (/^(-\w+-)?animation-name$/.test(decl.prop)) { | ||
| decl.value = decl.value | ||
| .split(',') | ||
| .map(v => keyframes[v.trim()] || v.trim()) | ||
| .join(',') | ||
| } | ||
| // shorthand | ||
| if (/^(-\w+-)?animation$/.test(decl.prop)) { | ||
| decl.value = decl.value | ||
| .split(',') | ||
| .map(v => { | ||
| const vals = v.trim().split(/\s+/) | ||
| const i = vals.findIndex(val => keyframes[val]) | ||
| if (i !== -1) { | ||
| vals.splice(i, 1, keyframes[vals[i]]) | ||
| return vals.join(' ') | ||
| } else { | ||
| return v | ||
| } | ||
| }) | ||
| .join(',') | ||
| } | ||
| }) | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| pluginFn.postcss = true | ||
| export default pluginFn |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,15 @@ | ||
| import { Root } from 'postcss' | ||
| import * as postcss from 'postcss' | ||
| import { PluginCreator, Rule, AtRule } from 'postcss' | ||
|
|
||
| export default postcss.plugin('trim', () => (css: Root) => { | ||
| css.walk(({ type, raws }) => { | ||
| if (type === 'rule' || type === 'atrule') { | ||
| if (raws.before) raws.before = '\n' | ||
| if (raws.after) raws.after = '\n' | ||
| } | ||
| }) | ||
| const trim = function({ raws }: Rule | AtRule) { | ||
| if (raws.before) raws.before = '\n' | ||
| if (raws.after) raws.after = '\n' | ||
| } | ||
|
|
||
| const pluginFn: PluginCreator<void> = () => ({ | ||
| postcssPlugin: 'trim', | ||
| AtRule: trim, | ||
| Rule: trim | ||
| }) | ||
|
|
||
| pluginFn.postcss = true | ||
| export default pluginFn |
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Why version
8.0.0? I would use version^8.2.13or higher.There was a problem hiding this comment.
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I can change it if you want, but anything with
^at the beginning will evaluate to the same version (newest one starting with8.), so there is no differenceThere was a problem hiding this comment.
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Being more specific can be helpful to signal where the actual requirement is, but you're not wrong.
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Hard to tell whether I should change it or not - would be great to have repo maintainers express their opinion on this one (and the whole pr)
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Since the vulnerability was patched in 8.1.3, IMO we should at least require that version.
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Sure, bumped to the newest version just now