lix-website/themes/lix/assets/bootstrap/node_modules/rtlcss/lib/plugin.js

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2024-04-27 03:39:10 +00:00
'use strict'
const config = require('./config.js')
const util = require('./util.js')
module.exports = {
name: 'rtlcss',
priority: 100,
directives: {
control: {
ignore: {
expect: { atrule: true, comment: true, decl: true, rule: true },
endNode: null,
begin (node, metadata, context) {
// find the ending node in case of self closing directive
if (!this.endNode && metadata.begin && metadata.end) {
let n = node
while (n && n.nodes) {
n = n.nodes[n.nodes.length - 1]
}
this.endNode = n
}
let prevent = true
if (node.type === 'comment' && node.text.match(/^\s*!?\s*rtl:end:ignore/)) {
prevent = false
}
return prevent
},
end (node, metadata, context) {
// end if:
// 1. block directive and the node is comment
// 2. self closing directive and node is endNode
if ((metadata.begin !== metadata.end && node.type === 'comment') || (metadata.begin && metadata.end && node === this.endNode)) {
// clear ending node
this.endNode = null
return true
}
return false
}
},
rename: {
expect: { rule: true },
begin (node, metadata, context) {
node.selector = context.util.applyStringMap(node.selector, false)
return false
},
end (node, context) {
return true
}
},
raw: {
expect: { self: true },
begin (node, metadata, context) {
const nodes = context.postcss.parse(metadata.param, { from: node.source.input.from })
nodes.walk((node) => {
node[context.symbol] = true
})
node.parent.insertBefore(node, nodes)
return true
},
end (node, context) {
return true
}
},
remove: {
expect: { atrule: true, rule: true, decl: true },
begin (node, metadata, context) {
let prevent = false
switch (node.type) {
case 'atrule':
case 'rule':
case 'decl':
prevent = true
node.remove()
}
return prevent
},
end (node, metadata, context) {
return true
}
},
options: {
expect: { self: true },
stack: [],
begin (node, metadata, context) {
this.stack.push(util.extend({}, context.config))
let options
try {
options = JSON.parse(metadata.param)
} catch (e) {
throw node.error('Invalid options object', { details: e })
}
context.config = config.configure(options, context.config.plugins)
context.util = util.configure(context.config)
return true
},
end (node, metadata, context) {
const config = this.stack.pop()
if (config && !metadata.begin) {
context.config = config
context.util = util.configure(context.config)
}
return true
}
},
config: {
expect: { self: true },
stack: [],
begin (node, metadata, context) {
this.stack.push(util.extend({}, context.config))
let configuration
try {
configuration = eval(`(${metadata.param})`) // eslint-disable-line no-eval
} catch (e) {
throw node.error('Invalid config object', { details: e })
}
context.config = config.configure(configuration.options, configuration.plugins)
context.util = util.configure(context.config)
return true
},
end (node, metadata, context) {
const config = this.stack.pop()
if (config && !metadata.begin) {
context.config = config
context.util = util.configure(context.config)
}
return true
}
}
},
value: [
{
name: 'ignore',
action (decl, expr, context) {
return true
}
},
{
name: 'prepend',
action (decl, expr, context) {
let prefix = ''
const hasRawValue = decl.raws.value && decl.raws.value.raw
const raw = `${decl.raws.between.substr(1).trim()}${hasRawValue ? decl.raws.value.raw : decl.value}${decl.important ? decl.raws.important.substr(9).trim() : ''}`
raw.replace(expr, (m, v) => {
prefix += v
})
decl.value = hasRawValue
? (decl.raws.value.raw = prefix + decl.raws.value.raw)
: prefix + decl.value
return true
}
},
{
name: 'append',
action (decl, expr, context) {
let suffix = ''
const hasRawValue = decl.raws.value && decl.raws.value.raw
const raw = `${decl.raws.between.substr(1).trim()}${hasRawValue ? decl.raws.value.raw : decl.value}${decl.important ? decl.raws.important.substr(9).trim() : ''}`
raw.replace(expr, (m, v) => {
suffix = v + suffix
})
decl.value = hasRawValue ? (decl.raws.value.raw += suffix) : decl.value + suffix
return true
}
},
{
name: 'insert',
action (decl, expr, context) {
const hasRawValue = decl.raws.value && decl.raws.value.raw
const raw = `${decl.raws.between.substr(1).trim()}${hasRawValue ? decl.raws.value.raw : decl.value}${decl.important ? decl.raws.important.substr(9).trim() : ''}`
const result = raw.replace(expr, (match, value) => hasRawValue ? value + match : value)
decl.value = hasRawValue ? (decl.raws.value.raw = result) : result
return true
}
},
{
name: '',
action (decl, expr, context) {
const hasRawValue = decl.raws.value && decl.raws.value.raw
const raw = `${decl.raws.between.substr(1).trim()}${hasRawValue ? decl.raws.value.raw : ''}${decl.important ? decl.raws.important.substr(9).trim() : ''}`
raw.replace(expr, (match, value) => {
decl.value = hasRawValue
? (decl.raws.value.raw = value + match)
: value
})
return true
}
}
]
},
processors: [
{
name: 'variable',
expr: /^--/im,
action (prop, value) {
return { prop, value }
}
},
{
name: 'direction',
expr: /direction/im,
action (prop, value, context) {
return { prop, value: context.util.swapLtrRtl(value) }
}
},
{
name: 'left',
expr: /left/im,
action (prop, value, context) {
return { prop: prop.replace(this.expr, () => 'right'), value }
}
},
{
name: 'right',
expr: /right/im,
action (prop, value, context) {
return { prop: prop.replace(this.expr, () => 'left'), value }
}
},
{
name: 'four-value syntax',
expr: /^(margin|padding|border-(color|style|width))$/ig,
cache: null,
action (prop, value, context) {
if (this.cache === null) {
this.cache = {
match: /[^\s\uFFFD]+/g
}
}
const state = context.util.guardFunctions(value)
const result = state.value.match(this.cache.match)
if (result && result.length === 4 && (state.store.length > 0 || result[1] !== result[3])) {
let i = 0
state.value = state.value.replace(this.cache.match, () => result[(4 - i++) % 4])
}
return { prop, value: context.util.unguardFunctions(state) }
}
},
{
name: 'border radius',
expr: /border-radius/ig,
cache: null,
flip (value) {
const parts = value.match(this.cache.match)
let i
if (parts) {
switch (parts.length) {
case 2:
i = 1
if (parts[0] !== parts[1]) {
value = value.replace(this.cache.match, () => parts[i--])
}
break
case 3:
// preserve leading whitespace.
value = value.replace(this.cache.white, (m) => `${m + parts[1]} `)
break
case 4:
i = 0
if (parts[0] !== parts[1] || parts[2] !== parts[3]) {
value = value.replace(this.cache.match, () => parts[(5 - i++) % 4])
}
break
}
}
return value
},
action (prop, value, context) {
if (this.cache === null) {
this.cache = {
match: /[^\s\uFFFD]+/g,
slash: /[^/]+/g,
white: /(^\s*)/
}
}
const state = context.util.guardFunctions(value)
state.value = state.value.replace(this.cache.slash, (m) => this.flip(m))
return { prop, value: context.util.unguardFunctions(state) }
}
},
{
name: 'shadow',
expr: /shadow/ig,
cache: null,
action (prop, value, context) {
if (this.cache === null) {
this.cache = {
replace: /[^,]+/g
}
}
const colorSafe = context.util.guardHexColors(value)
const funcSafe = context.util.guardFunctions(colorSafe.value)
funcSafe.value = funcSafe.value.replace(this.cache.replace, (m) => context.util.negate(m))
colorSafe.value = context.util.unguardFunctions(funcSafe)
return { prop, value: context.util.unguardHexColors(colorSafe) }
}
},
{
name: 'transform and perspective origin',
expr: /(?:transform|perspective)-origin/ig,
cache: null,
flip (value, context) {
if (value === '0') {
value = '100%'
} else if (value.match(this.cache.percent)) {
value = context.util.complement(value)
} else if (value.match(this.cache.length)) {
value = context.util.flipLength(value)
}
return value
},
action (prop, value, context) {
if (this.cache === null) {
this.cache = {
match: context.util.regex(['calc', 'percent', 'length'], 'g'),
percent: context.util.regex(['calc', 'percent'], 'i'),
length: context.util.regex(['length'], 'gi'),
xKeyword: /(left|right)/i
}
}
if (value.match(this.cache.xKeyword)) {
value = context.util.swapLeftRight(value)
} else {
const state = context.util.guardFunctions(value)
const parts = state.value.match(this.cache.match)
if (parts && parts.length > 0) {
parts[0] = this.flip(parts[0], context)
state.value = state.value.replace(this.cache.match, () => parts.shift())
value = context.util.unguardFunctions(state)
}
}
return { prop, value }
}
},
{
name: 'transform',
expr: /^(?!text-).*?transform$/ig,
cache: null,
flip (value, process, context) {
let i = 0
return value.replace(this.cache.unit, (num) => process(++i, num))
},
flipMatrix (value, context) {
return this.flip(value, (i, num) => {
if (i === 2 || i === 3 || i === 5) {
return context.util.negate(num)
}
return num
}, context)
},
flipMatrix3D (value, context) {
return this.flip(value, (i, num) => {
if (i === 2 || i === 4 || i === 5 || i === 13) {
return context.util.negate(num)
}
return num
}, context)
},
flipRotate3D (value, context) {
return this.flip(value, (i, num) => {
if (i === 1 || i === 4) {
return context.util.negate(num)
}
return num
}, context)
},
action (prop, value, context) {
if (this.cache === null) {
this.cache = {
negatable: /((translate)(x|3d)?|rotate(z|y)?)$/ig,
unit: context.util.regex(['calc', 'number'], 'g'),
matrix: /matrix$/i,
matrix3D: /matrix3d$/i,
skewXY: /skew(x|y)?$/i,
rotate3D: /rotate3d$/i
}
}
const state = context.util.guardFunctions(value)
return {
prop,
value: context.util.unguardFunctions(state, (v, n) => {
if (n.length) {
if (n.match(this.cache.matrix3D)) {
v = this.flipMatrix3D(v, context)
} else if (n.match(this.cache.matrix)) {
v = this.flipMatrix(v, context)
} else if (n.match(this.cache.rotate3D)) {
v = this.flipRotate3D(v, context)
} else if (n.match(this.cache.skewXY)) {
v = context.util.negateAll(v)
} else if (n.match(this.cache.negatable)) {
v = context.util.negate(v)
}
}
return v
})
}
}
},
{
name: 'transition',
expr: /transition(-property)?$/i,
action (prop, value, context) {
return { prop, value: context.util.swapLeftRight(value) }
}
},
{
name: 'background',
expr: /(background|object)(-position(-x)?|-image)?$/i,
cache: null,
flip (value, context) {
const state = util.saveTokens(value, true)
const parts = state.value.match(this.cache.match)
if (parts && parts.length > 0) {
const keywords = (state.value.match(this.cache.position) || '').length
if (/* edge offsets */ parts.length >= 3 || /* keywords only */ keywords === 2) {
state.value = util.swapLeftRight(state.value)
} else {
parts[0] = parts[0] === '0'
? '100%'
: (parts[0].match(this.cache.percent)
? context.util.complement(parts[0])
: (parts[0].match(this.cache.length)
? context.util.flipLength(parts[0])
: context.util.swapLeftRight(parts[0])))
state.value = state.value.replace(this.cache.match, () => parts.shift())
}
}
return util.restoreTokens(state)
},
update (context, value, name) {
if (name.match(this.cache.gradient)) {
value = context.util.swapLeftRight(value)
if (value.match(this.cache.angle)) {
value = context.util.negate(value)
}
} else if ((context.config.processUrls === true || context.config.processUrls.decl === true) && name.match(this.cache.url)) {
value = context.util.applyStringMap(value, true)
}
return value
},
action (prop, value, context) {
if (this.cache === null) {
this.cache = {
match: context.util.regex(['position', 'percent', 'length', 'calc'], 'ig'),
percent: context.util.regex(['calc', 'percent'], 'i'),
position: context.util.regex(['position'], 'g'),
length: context.util.regex(['length'], 'gi'),
gradient: /gradient$/i,
angle: /\d+(deg|g?rad|turn)/i,
url: /^url/i
}
}
const colorSafe = context.util.guardHexColors(value)
const funcSafe = context.util.guardFunctions(colorSafe.value)
const parts = funcSafe.value.split(',')
const lprop = prop.toLowerCase()
if (lprop !== 'background-image') {
for (let x = 0; x < parts.length; x++) {
parts[x] = this.flip(parts[x], context)
}
}
funcSafe.value = parts.join(',')
colorSafe.value = context.util.unguardFunctions(funcSafe, this.update.bind(this, context))
return {
prop,
value: context.util.unguardHexColors(colorSafe)
}
}
},
{
name: 'keyword',
expr: /float|clear|text-align/i,
action (prop, value, context) {
return { prop, value: context.util.swapLeftRight(value) }
}
},
{
name: 'cursor',
expr: /cursor/i,
cache: null,
update (context, value, name) {
if ((context.config.processUrls === true || context.config.processUrls.decl === true) && name.match(this.cache.url)) {
value = context.util.applyStringMap(value, true)
}
return value
},
flip (value) {
return value.replace(this.cache.replace, (s, m) => {
return s.replace(m, m.replace(this.cache.e, '*')
.replace(this.cache.w, 'e')
.replace(this.cache.star, 'w'))
})
},
action (prop, value, context) {
if (this.cache === null) {
this.cache = {
replace: /\b(ne|nw|se|sw|nesw|nwse)-resize/ig,
url: /^url/i,
e: /e/i,
w: /w/i,
star: /\*/i
}
}
const state = context.util.guardFunctions(value)
state.value = state.value.split(',')
.map((part) => this.flip(part))
.join(',')
return {
prop,
value: context.util.unguardFunctions(state, this.update.bind(this, context))
}
}
}
]
}