| 1 | 'use strict'
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| 2 |
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| 3 | let { isClean, my } = require('./symbols')
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| 4 | let Declaration = require('./declaration')
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| 5 | let Comment = require('./comment')
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| 6 | let Node = require('./node')
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| 7 |
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| 8 | let parse, Rule, AtRule, Root
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| 9 |
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| 10 | function cleanSource(nodes) {
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| 11 | return nodes.map(i => {
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| 12 | if (i.nodes) i.nodes = cleanSource(i.nodes)
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| 13 | delete i.source
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| 14 | return i
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| 15 | })
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| 16 | }
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| 17 |
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| 18 | function markTreeDirty(node) {
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| 19 | node[isClean] = false
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| 20 | if (node.proxyOf.nodes) {
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| 21 | for (let i of node.proxyOf.nodes) {
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| 22 | markTreeDirty(i)
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| 23 | }
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| 24 | }
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| 25 | }
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| 26 |
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| 27 | class Container extends Node {
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| 28 | append(...children) {
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| 29 | for (let child of children) {
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| 30 | let nodes = this.normalize(child, this.last)
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| 31 | for (let node of nodes) this.proxyOf.nodes.push(node)
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| 32 | }
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| 33 |
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| 34 | this.markDirty()
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| 35 |
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| 36 | return this
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| 37 | }
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| 38 |
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| 39 | cleanRaws(keepBetween) {
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| 40 | super.cleanRaws(keepBetween)
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| 41 | if (this.nodes) {
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| 42 | for (let node of this.nodes) node.cleanRaws(keepBetween)
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| 43 | }
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| 44 | }
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| 45 |
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| 46 | each(callback) {
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| 47 | if (!this.proxyOf.nodes) return undefined
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| 48 | let iterator = this.getIterator()
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| 49 |
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| 50 | let index, result
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| 51 | while (this.indexes[iterator] < this.proxyOf.nodes.length) {
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| 52 | index = this.indexes[iterator]
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| 53 | result = callback(this.proxyOf.nodes[index], index)
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| 54 | if (result === false) break
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| 55 |
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| 56 | this.indexes[iterator] += 1
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| 57 | }
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| 58 |
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| 59 | delete this.indexes[iterator]
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| 60 | return result
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| 61 | }
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| 62 |
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| 63 | every(condition) {
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| 64 | return this.nodes.every(condition)
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| 65 | }
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| 66 |
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| 67 | getIterator() {
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| 68 | if (!this.lastEach) this.lastEach = 0
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| 69 | if (!this.indexes) this.indexes = {}
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| 70 |
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| 71 | this.lastEach += 1
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| 72 | let iterator = this.lastEach
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| 73 | this.indexes[iterator] = 0
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| 74 |
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| 75 | return iterator
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| 76 | }
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| 77 |
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| 78 | getProxyProcessor() {
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| 79 | return {
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| 80 | get(node, prop) {
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| 81 | if (prop === 'proxyOf') {
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| 82 | return node
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| 83 | } else if (!node[prop]) {
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| 84 | return node[prop]
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| 85 | } else if (
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| 86 | prop === 'each' ||
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| 87 | (typeof prop === 'string' && prop.startsWith('walk'))
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| 88 | ) {
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| 89 | return (...args) => {
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| 90 | return node[prop](
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| 91 | ...args.map(i => {
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| 92 | if (typeof i === 'function') {
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| 93 | return (child, index) => i(child.toProxy(), index)
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| 94 | } else {
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| 95 | return i
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| 96 | }
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| 97 | })
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| 98 | )
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| 99 | }
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| 100 | } else if (prop === 'every' || prop === 'some') {
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| 101 | return cb => {
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| 102 | return node[prop]((child, ...other) =>
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| 103 | cb(child.toProxy(), ...other)
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| 104 | )
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| 105 | }
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| 106 | } else if (prop === 'root') {
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| 107 | return () => node.root().toProxy()
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| 108 | } else if (prop === 'nodes') {
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| 109 | return node.nodes.map(i => i.toProxy())
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| 110 | } else if (prop === 'first' || prop === 'last') {
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| 111 | return node[prop].toProxy()
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| 112 | } else {
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| 113 | return node[prop]
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| 114 | }
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| 115 | },
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| 116 |
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| 117 | set(node, prop, value) {
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| 118 | if (node[prop] === value) return true
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| 119 | node[prop] = value
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| 120 | if (prop === 'name' || prop === 'params' || prop === 'selector') {
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| 121 | node.markDirty()
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| 122 | }
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| 123 | return true
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| 124 | }
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| 125 | }
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| 126 | }
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| 127 |
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| 128 | index(child) {
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| 129 | if (typeof child === 'number') return child
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| 130 | if (child.proxyOf) child = child.proxyOf
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| 131 | return this.proxyOf.nodes.indexOf(child)
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| 132 | }
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| 133 |
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| 134 | insertAfter(exist, add) {
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| 135 | let existIndex = this.index(exist)
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| 136 | let nodes = this.normalize(add, this.proxyOf.nodes[existIndex]).reverse()
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| 137 | existIndex = this.index(exist)
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| 138 | for (let node of nodes) this.proxyOf.nodes.splice(existIndex + 1, 0, node)
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| 139 |
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| 140 | let index
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| 141 | for (let id in this.indexes) {
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| 142 | index = this.indexes[id]
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| 143 | if (existIndex < index) {
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| 144 | this.indexes[id] = index + nodes.length
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| 145 | }
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| 146 | }
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| 147 |
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| 148 | this.markDirty()
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| 149 |
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| 150 | return this
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| 151 | }
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| 152 |
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| 153 | insertBefore(exist, add) {
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| 154 | let existIndex = this.index(exist)
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| 155 | let type = existIndex === 0 ? 'prepend' : false
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| 156 | let nodes = this.normalize(
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| 157 | add,
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| 158 | this.proxyOf.nodes[existIndex],
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| 159 | type
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| 160 | ).reverse()
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| 161 | existIndex = this.index(exist)
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| 162 | for (let node of nodes) this.proxyOf.nodes.splice(existIndex, 0, node)
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| 163 |
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| 164 | let index
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| 165 | for (let id in this.indexes) {
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| 166 | index = this.indexes[id]
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| 167 | if (existIndex <= index) {
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| 168 | this.indexes[id] = index + nodes.length
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| 169 | }
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| 170 | }
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| 171 |
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| 172 | this.markDirty()
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| 173 |
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| 174 | return this
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| 175 | }
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| 176 |
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| 177 | normalize(nodes, sample) {
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| 178 | if (typeof nodes === 'string') {
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| 179 | nodes = cleanSource(parse(nodes).nodes)
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| 180 | } else if (typeof nodes === 'undefined') {
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| 181 | nodes = []
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| 182 | } else if (Array.isArray(nodes)) {
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| 183 | nodes = nodes.slice(0)
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| 184 | for (let i of nodes) {
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| 185 | if (i.parent) i.parent.removeChild(i, 'ignore')
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| 186 | }
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| 187 | } else if (nodes.type === 'root' && this.type !== 'document') {
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| 188 | nodes = nodes.nodes.slice(0)
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| 189 | for (let i of nodes) {
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| 190 | if (i.parent) i.parent.removeChild(i, 'ignore')
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| 191 | }
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| 192 | } else if (nodes.type) {
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| 193 | nodes = [nodes]
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| 194 | } else if (nodes.prop) {
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| 195 | if (typeof nodes.value === 'undefined') {
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| 196 | throw new Error('Value field is missed in node creation')
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| 197 | } else if (typeof nodes.value !== 'string') {
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| 198 | nodes.value = String(nodes.value)
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| 199 | }
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| 200 | nodes = [new Declaration(nodes)]
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| 201 | } else if (nodes.selector) {
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| 202 | nodes = [new Rule(nodes)]
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| 203 | } else if (nodes.name) {
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| 204 | nodes = [new AtRule(nodes)]
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| 205 | } else if (nodes.text) {
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| 206 | nodes = [new Comment(nodes)]
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| 207 | } else {
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| 208 | throw new Error('Unknown node type in node creation')
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| 209 | }
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| 210 |
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| 211 | let processed = nodes.map(i => {
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| 212 | /* c8 ignore next */
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| 213 | if (!i[my]) Container.rebuild(i)
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| 214 | i = i.proxyOf
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| 215 | if (i.parent) i.parent.removeChild(i)
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| 216 | if (i[isClean]) markTreeDirty(i)
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| 217 | if (typeof i.raws.before === 'undefined') {
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| 218 | if (sample && typeof sample.raws.before !== 'undefined') {
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| 219 | i.raws.before = sample.raws.before.replace(/\S/g, '')
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| 220 | }
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| 221 | }
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| 222 | i.parent = this.proxyOf
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| 223 | return i
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| 224 | })
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| 225 |
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| 226 | return processed
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| 227 | }
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| 228 |
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| 229 | prepend(...children) {
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| 230 | children = children.reverse()
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| 231 | for (let child of children) {
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| 232 | let nodes = this.normalize(child, this.first, 'prepend').reverse()
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| 233 | for (let node of nodes) this.proxyOf.nodes.unshift(node)
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| 234 | for (let id in this.indexes) {
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| 235 | this.indexes[id] = this.indexes[id] + nodes.length
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| 236 | }
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| 237 | }
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| 238 |
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| 239 | this.markDirty()
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| 240 |
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| 241 | return this
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| 242 | }
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| 243 |
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| 244 | push(child) {
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| 245 | child.parent = this
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| 246 | this.proxyOf.nodes.push(child)
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| 247 | return this
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| 248 | }
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| 249 |
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| 250 | removeAll() {
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| 251 | for (let node of this.proxyOf.nodes) node.parent = undefined
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| 252 | this.proxyOf.nodes = []
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| 253 |
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| 254 | this.markDirty()
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| 255 |
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| 256 | return this
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| 257 | }
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| 258 |
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| 259 | removeChild(child) {
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| 260 | child = this.index(child)
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| 261 | this.proxyOf.nodes[child].parent = undefined
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| 262 | this.proxyOf.nodes.splice(child, 1)
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| 263 |
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| 264 | let index
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| 265 | for (let id in this.indexes) {
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| 266 | index = this.indexes[id]
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| 267 | if (index >= child) {
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| 268 | this.indexes[id] = index - 1
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| 269 | }
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| 270 | }
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| 271 |
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| 272 | this.markDirty()
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| 273 |
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| 274 | return this
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| 275 | }
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| 276 |
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| 277 | replaceValues(pattern, opts, callback) {
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| 278 | if (!callback) {
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| 279 | callback = opts
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| 280 | opts = {}
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| 281 | }
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| 282 |
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| 283 | this.walkDecls(decl => {
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| 284 | if (opts.props && !opts.props.includes(decl.prop)) return
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| 285 | if (opts.fast && !decl.value.includes(opts.fast)) return
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| 286 |
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| 287 | decl.value = decl.value.replace(pattern, callback)
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| 288 | })
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| 289 |
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| 290 | this.markDirty()
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| 291 |
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| 292 | return this
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| 293 | }
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| 294 |
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| 295 | some(condition) {
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| 296 | return this.nodes.some(condition)
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| 297 | }
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| 298 |
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| 299 | walk(callback) {
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| 300 | return this.each((child, i) => {
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| 301 | let result
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| 302 | try {
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| 303 | result = callback(child, i)
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| 304 | } catch (e) {
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| 305 | throw child.addToError(e)
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| 306 | }
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| 307 | if (result !== false && child.walk) {
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| 308 | result = child.walk(callback)
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| 309 | }
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| 310 |
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| 311 | return result
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| 312 | })
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| 313 | }
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| 314 |
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| 315 | walkAtRules(name, callback) {
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| 316 | if (!callback) {
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| 317 | callback = name
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| 318 | return this.walk((child, i) => {
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| 319 | if (child.type === 'atrule') {
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| 320 | return callback(child, i)
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| 321 | }
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| 322 | })
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| 323 | }
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| 324 | if (name instanceof RegExp) {
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| 325 | return this.walk((child, i) => {
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| 326 | if (child.type === 'atrule' && name.test(child.name)) {
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| 327 | return callback(child, i)
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| 328 | }
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| 329 | })
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| 330 | }
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| 331 | return this.walk((child, i) => {
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| 332 | if (child.type === 'atrule' && child.name === name) {
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| 333 | return callback(child, i)
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| 334 | }
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| 335 | })
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| 336 | }
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| 337 |
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| 338 | walkComments(callback) {
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| 339 | return this.walk((child, i) => {
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| 340 | if (child.type === 'comment') {
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| 341 | return callback(child, i)
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| 342 | }
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| 343 | })
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| 344 | }
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| 345 |
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| 346 | walkDecls(prop, callback) {
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| 347 | if (!callback) {
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| 348 | callback = prop
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| 349 | return this.walk((child, i) => {
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| 350 | if (child.type === 'decl') {
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| 351 | return callback(child, i)
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| 352 | }
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| 353 | })
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| 354 | }
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| 355 | if (prop instanceof RegExp) {
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| 356 | return this.walk((child, i) => {
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| 357 | if (child.type === 'decl' && prop.test(child.prop)) {
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| 358 | return callback(child, i)
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| 359 | }
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| 360 | })
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| 361 | }
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| 362 | return this.walk((child, i) => {
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| 363 | if (child.type === 'decl' && child.prop === prop) {
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| 364 | return callback(child, i)
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| 365 | }
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| 366 | })
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| 367 | }
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| 368 |
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| 369 | walkRules(selector, callback) {
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| 370 | if (!callback) {
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| 371 | callback = selector
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| 372 |
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| 373 | return this.walk((child, i) => {
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| 374 | if (child.type === 'rule') {
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| 375 | return callback(child, i)
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| 376 | }
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| 377 | })
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| 378 | }
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| 379 | if (selector instanceof RegExp) {
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| 380 | return this.walk((child, i) => {
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| 381 | if (child.type === 'rule' && selector.test(child.selector)) {
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| 382 | return callback(child, i)
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| 383 | }
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| 384 | })
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| 385 | }
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| 386 | return this.walk((child, i) => {
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| 387 | if (child.type === 'rule' && child.selector === selector) {
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| 388 | return callback(child, i)
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| 389 | }
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| 390 | })
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| 391 | }
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| 392 |
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| 393 | get first() {
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| 394 | if (!this.proxyOf.nodes) return undefined
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| 395 | return this.proxyOf.nodes[0]
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| 396 | }
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| 397 |
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| 398 | get last() {
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| 399 | if (!this.proxyOf.nodes) return undefined
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| 400 | return this.proxyOf.nodes[this.proxyOf.nodes.length - 1]
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| 401 | }
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| 402 | }
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| 403 |
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| 404 | Container.registerParse = dependant => {
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| 405 | parse = dependant
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| 406 | }
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| 407 |
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| 408 | Container.registerRule = dependant => {
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| 409 | Rule = dependant
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| 410 | }
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| 411 |
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| 412 | Container.registerAtRule = dependant => {
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| 413 | AtRule = dependant
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| 414 | }
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| 415 |
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| 416 | Container.registerRoot = dependant => {
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| 417 | Root = dependant
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| 418 | }
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| 419 |
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| 420 | module.exports = Container
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| 421 | Container.default = Container
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| 422 |
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| 423 | /* c8 ignore start */
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| 424 | Container.rebuild = node => {
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| 425 | if (node.type === 'atrule') {
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| 426 | Object.setPrototypeOf(node, AtRule.prototype)
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| 427 | } else if (node.type === 'rule') {
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| 428 | Object.setPrototypeOf(node, Rule.prototype)
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| 429 | } else if (node.type === 'decl') {
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| 430 | Object.setPrototypeOf(node, Declaration.prototype)
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| 431 | } else if (node.type === 'comment') {
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| 432 | Object.setPrototypeOf(node, Comment.prototype)
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| 433 | } else if (node.type === 'root') {
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| 434 | Object.setPrototypeOf(node, Root.prototype)
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| 435 | }
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| 436 |
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| 437 | node[my] = true
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| 438 |
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| 439 | if (node.nodes) {
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| 440 | node.nodes.forEach(child => {
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| 441 | Container.rebuild(child)
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| 442 | })
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| 443 | }
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| 444 | }
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| 445 | /* c8 ignore stop */
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