641 lines
23 KiB
JavaScript
641 lines
23 KiB
JavaScript
import { hyphenate, capitalize } from '@vue/shared';
|
||
|
||
function createDecl(prop, value, important, raws, source) {
|
||
const decl = {
|
||
type: 'decl',
|
||
prop,
|
||
value: value.toString(),
|
||
raws,
|
||
source,
|
||
};
|
||
if (important) {
|
||
decl.important = true;
|
||
}
|
||
return decl;
|
||
}
|
||
const isNumber = (val) => typeof val === 'number';
|
||
const cacheStringFunction = (fn) => {
|
||
const cache = Object.create(null);
|
||
return ((str) => {
|
||
const hit = cache[str];
|
||
return hit || (cache[str] = fn(str));
|
||
});
|
||
};
|
||
const hyphenateRE = /([A-Z])/g;
|
||
const hyphenateStyleProperty = cacheStringFunction((str) => str
|
||
.replace(hyphenateRE, (_, m) => {
|
||
if (typeof m === 'string') {
|
||
return '-' + m.toLowerCase();
|
||
}
|
||
return m;
|
||
})
|
||
.toLowerCase());
|
||
function supportedValueWithTipsReason(k, v, tips) {
|
||
return ('ERROR: property value `' +
|
||
v +
|
||
'` is not supported for `' +
|
||
hyphenateStyleProperty(k) +
|
||
'` ' +
|
||
tips);
|
||
}
|
||
/**
|
||
* css value 分割多值，兼容包含括号的 css 方法，比如 var/env/calc() 等
|
||
*/
|
||
function splitValues(value) {
|
||
const trimmedValue = value.trim();
|
||
if (!trimmedValue.includes('(')) {
|
||
return trimmedValue.split(/\s+/);
|
||
}
|
||
const parts = [];
|
||
let current = '';
|
||
let depth = 0;
|
||
for (let i = 0; i < trimmedValue.length; i++) {
|
||
const char = trimmedValue[i];
|
||
if (char === '(') {
|
||
depth++;
|
||
current += char;
|
||
}
|
||
else if (char === ')') {
|
||
if (depth > 0) {
|
||
depth--;
|
||
}
|
||
current += char;
|
||
}
|
||
else if (/\s/.test(char)) {
|
||
if (depth === 0) {
|
||
if (current) {
|
||
parts.push(current);
|
||
current = '';
|
||
}
|
||
}
|
||
else {
|
||
// 多个空格处理一个
|
||
if (current.length > 0 && !/\s$/.test(current)) {
|
||
current += ' ';
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
current += char;
|
||
}
|
||
}
|
||
if (current) {
|
||
parts.push(current);
|
||
}
|
||
return parts;
|
||
}
|
||
|
||
const backgroundColor = 'backgroundColor';
|
||
const backgroundImage = 'backgroundImage';
|
||
const handleTransformBackground = (decl) => {
|
||
let { value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
if (value === 'none') {
|
||
return [
|
||
createDecl(backgroundImage, 'none', important, raws, source),
|
||
createDecl(backgroundColor, 'transparent', important, raws, source),
|
||
];
|
||
}
|
||
if (/^#?\S+$/.test(value) || /^rgba?(.+)$/.test(value)) {
|
||
return [
|
||
createDecl(backgroundImage, 'none', important, raws, source),
|
||
createDecl(backgroundColor, value, important, raws, source),
|
||
];
|
||
}
|
||
else if (/^linear-gradient(.+)$/.test(value)) {
|
||
return [
|
||
createDecl(backgroundImage, value, important, raws, source),
|
||
createDecl(backgroundColor, 'transparent', important, raws, source),
|
||
];
|
||
}
|
||
else if (value == '') {
|
||
return [
|
||
createDecl(backgroundImage, 'none', important, raws, source),
|
||
createDecl(backgroundColor, 'transparent', important, raws, source),
|
||
];
|
||
}
|
||
return [decl];
|
||
};
|
||
const handleTransformBackgroundNvue = (decl) => {
|
||
const { value, important, raws, source } = decl;
|
||
if (/^#?\S+$/.test(value) || /^rgba?(.+)$/.test(value)) {
|
||
return [createDecl(backgroundColor, value, important, raws, source)];
|
||
}
|
||
else if (/^linear-gradient(.+)$/.test(value)) {
|
||
return [createDecl(backgroundImage, value, important, raws, source)];
|
||
}
|
||
else if (value == '') {
|
||
return [decl];
|
||
}
|
||
return [decl];
|
||
};
|
||
function createTransformBackground(options) {
|
||
return (decl) => {
|
||
// nvue 平台维持原有逻辑不变
|
||
const isUvuePlatform = options.type === 'uvue';
|
||
if (isUvuePlatform) {
|
||
return handleTransformBackground(decl);
|
||
}
|
||
else {
|
||
return handleTransformBackgroundNvue(decl);
|
||
}
|
||
};
|
||
}
|
||
|
||
const borderTop = 'borderTop';
|
||
const borderRight = 'borderRight';
|
||
const borderBottom = 'borderBottom';
|
||
const borderLeft = 'borderLeft';
|
||
const transformBorderColor = (decl) => {
|
||
let { prop, value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
const _property_split = hyphenate(prop).split('-');
|
||
let property = _property_split[_property_split.length - 1];
|
||
{
|
||
property = capitalize(property);
|
||
}
|
||
const splitResult = splitValues(value); // 1pt
|
||
switch (splitResult.length) {
|
||
case 1:
|
||
if (_property_split.length === 3) {
|
||
// border-top-width
|
||
return [decl];
|
||
}
|
||
// border-width
|
||
splitResult.push(splitResult[0], splitResult[0], splitResult[0]);
|
||
break;
|
||
case 2:
|
||
splitResult.push(splitResult[0], splitResult[1]);
|
||
break;
|
||
case 3:
|
||
splitResult.push(splitResult[1]);
|
||
break;
|
||
}
|
||
return [
|
||
createDecl(borderTop + property, splitResult[0], important, raws, source),
|
||
createDecl(borderRight + property, splitResult[1], important, raws, source),
|
||
createDecl(borderBottom + property, splitResult[2], important, raws, source),
|
||
createDecl(borderLeft + property, splitResult[3], important, raws, source),
|
||
];
|
||
};
|
||
const transformBorderColorNvue = (decl) => {
|
||
let { prop, value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
let property = hyphenate(prop).split('-')[1];
|
||
{
|
||
property = capitalize(property);
|
||
}
|
||
const splitResult = value.replace(/\s*,\s*/g, ',').split(/\s+/);
|
||
switch (splitResult.length) {
|
||
case 1:
|
||
return [decl];
|
||
case 2:
|
||
splitResult.push(splitResult[0], splitResult[1]);
|
||
break;
|
||
case 3:
|
||
splitResult.push(splitResult[1]);
|
||
break;
|
||
}
|
||
return [
|
||
createDecl(borderTop + property, splitResult[0], important, raws, source),
|
||
createDecl(borderRight + property, splitResult[1], important, raws, source),
|
||
createDecl(borderBottom + property, splitResult[2], important, raws, source),
|
||
createDecl(borderLeft + property, splitResult[3], important, raws, source),
|
||
];
|
||
};
|
||
|
||
const transformBorderStyle = transformBorderColor;
|
||
const transformBorderStyleNvue = transformBorderColorNvue;
|
||
|
||
const transformBorderWidth = transformBorderColor;
|
||
const transformBorderWidthNvue = transformBorderColorNvue;
|
||
|
||
function tryExpandSingleValueVarShorthand(decl, props, value) {
|
||
// 只在 dom2 运行时兜底展开，避免影响其它平台现有行为。
|
||
{
|
||
return null;
|
||
}
|
||
}
|
||
|
||
const borderWidth = 'Width';
|
||
const borderStyle = 'Style';
|
||
const borderColor = 'Color';
|
||
const BORDER_WIDTH_REGEXP = /^(?:[\d.]+\S*|thin|medium|thick)$/;
|
||
// 这里按完整 CSS line-style 识别，后续再交给 border-*-style 的既有校验逻辑报精确错误。
|
||
const BORDER_STYLE_REGEXP = /^(?:none|hidden|dotted|dashed|solid|double|groove|ridge|inset|outset)$/;
|
||
const BORDER_SHORTHAND_VAR_ORDER_WARNING = '__borderShorthandVarOrderWarning';
|
||
function createBorderVarOrderWarning(prop, value) {
|
||
return supportedValueWithTipsReason(prop, value, '(border shorthand with CSS variables must follow `width style color`, for example: `1px solid var(--color, #999999)`)');
|
||
}
|
||
function isCssVarValue(value) {
|
||
return value.startsWith('var(');
|
||
}
|
||
function isBorderWidthValue(value) {
|
||
return isCssVarValue(value) || BORDER_WIDTH_REGEXP.test(value);
|
||
}
|
||
function isBorderStyleValue(value) {
|
||
return isCssVarValue(value) || BORDER_STYLE_REGEXP.test(value);
|
||
}
|
||
function isBorderColorValue(value) {
|
||
return (isCssVarValue(value) ||
|
||
(!BORDER_WIDTH_REGEXP.test(value) && !BORDER_STYLE_REGEXP.test(value)));
|
||
}
|
||
function createTransformBorder(options) {
|
||
return (decl) => {
|
||
const { prop, value, important, raws, source } = decl;
|
||
const singleVarResult = tryExpandSingleValueVarShorthand();
|
||
// 单个 var() 无法提前判断是 width/style/color，dom2 下先平铺后继续展开。
|
||
if (singleVarResult) {
|
||
return [
|
||
...transformBorderWidth(singleVarResult[0]),
|
||
...transformBorderStyle(singleVarResult[1]),
|
||
...transformBorderColor(singleVarResult[2]),
|
||
];
|
||
}
|
||
let splitResult = splitValues(value);
|
||
const havVar = splitResult.some((str) => str.startsWith('var('));
|
||
let result = [];
|
||
// 包含 var 时按位置解析，避免把 style 误判成 color
|
||
if (havVar) {
|
||
if (splitResult.length > 3 ||
|
||
(splitResult.length === 3 &&
|
||
(!isBorderWidthValue(splitResult[0]) ||
|
||
!isBorderStyleValue(splitResult[1]) ||
|
||
!isBorderColorValue(splitResult[2])))) {
|
||
decl[BORDER_SHORTHAND_VAR_ORDER_WARNING] =
|
||
createBorderVarOrderWarning(prop, value);
|
||
return [];
|
||
}
|
||
result = splitResult;
|
||
splitResult = [];
|
||
}
|
||
else {
|
||
result = [BORDER_WIDTH_REGEXP, BORDER_STYLE_REGEXP, /\S+/].map((item) => {
|
||
const index = splitResult.findIndex((str) => item.test(str));
|
||
return index < 0 ? null : splitResult.splice(index, 1)[0];
|
||
});
|
||
}
|
||
if (splitResult.length > 0 && value != '') {
|
||
return [decl];
|
||
}
|
||
const defaultWidth = (str) => {
|
||
if (str != null) {
|
||
return str.trim();
|
||
}
|
||
return 'medium';
|
||
};
|
||
const defaultStyle = (str) => {
|
||
if (str != null) {
|
||
return str.trim();
|
||
}
|
||
return 'none';
|
||
};
|
||
const defaultColor = (str) => {
|
||
if (str != null) {
|
||
return str.trim();
|
||
}
|
||
return '#000000';
|
||
};
|
||
return [
|
||
...transformBorderWidth(createDecl(prop + borderWidth, defaultWidth(result[0]), important, raws, source)),
|
||
...transformBorderStyle(createDecl(prop + borderStyle, defaultStyle(result[1]), important, raws, source)),
|
||
...transformBorderColor(createDecl(prop + borderColor, defaultColor(result[2]), important, raws, source)),
|
||
];
|
||
};
|
||
}
|
||
/**
|
||
* nvue 逻辑不变
|
||
*/
|
||
function createTransformBorderNvue(options) {
|
||
return (decl) => {
|
||
let { prop, value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
const splitResult = value.replace(/\s*,\s*/g, ',').split(/\s+/);
|
||
const result = [
|
||
/^[\d\.]+\S*|^(thin|medium|thick)$/,
|
||
/^(solid|dashed|dotted|none)$/,
|
||
/\S+/,
|
||
].map((item) => {
|
||
const index = splitResult.findIndex((str) => item.test(str));
|
||
return index < 0 ? null : splitResult.splice(index, 1)[0];
|
||
});
|
||
if (splitResult.length) {
|
||
return [decl];
|
||
}
|
||
return [
|
||
createDecl(prop + borderWidth, (result[0] || '0').trim(), important, raws, source),
|
||
createDecl(prop + borderStyle, (result[1] || 'solid').trim(), important, raws, source),
|
||
createDecl(prop + borderColor, (result[2] || '#000000').trim(), important, raws, source),
|
||
];
|
||
};
|
||
}
|
||
|
||
const borderTopLeftRadius = 'borderTopLeftRadius';
|
||
const borderTopRightRadius = 'borderTopRightRadius';
|
||
const borderBottomRightRadius = 'borderBottomRightRadius';
|
||
const borderBottomLeftRadius = 'borderBottomLeftRadius';
|
||
const transformBorderRadius = (decl) => {
|
||
let { value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
const splitResult = splitValues(value);
|
||
if (value.includes('/')) {
|
||
return [decl];
|
||
}
|
||
switch (splitResult.length) {
|
||
case 1:
|
||
splitResult.push(splitResult[0], splitResult[0], splitResult[0]);
|
||
break;
|
||
case 2:
|
||
splitResult.push(splitResult[0], splitResult[1]);
|
||
break;
|
||
case 3:
|
||
splitResult.push(splitResult[1]);
|
||
break;
|
||
}
|
||
return [
|
||
createDecl(borderTopLeftRadius, splitResult[0], important, raws, source),
|
||
createDecl(borderTopRightRadius, splitResult[1], important, raws, source),
|
||
createDecl(borderBottomRightRadius, splitResult[2], important, raws, source),
|
||
createDecl(borderBottomLeftRadius, splitResult[3], important, raws, source),
|
||
];
|
||
};
|
||
const transformBorderRadiusNvue = (decl) => {
|
||
let { value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
const splitResult = value.split(/\s+/);
|
||
if (value.includes('/')) {
|
||
return [decl];
|
||
}
|
||
// const isUvuePlatform = options.type === 'uvue'
|
||
switch (splitResult.length) {
|
||
case 1:
|
||
return [decl];
|
||
case 2:
|
||
splitResult.push(splitResult[0], splitResult[1]);
|
||
break;
|
||
case 3:
|
||
splitResult.push(splitResult[1]);
|
||
break;
|
||
}
|
||
return [
|
||
createDecl(borderTopLeftRadius, splitResult[0], important, raws, source),
|
||
createDecl(borderTopRightRadius, splitResult[1], important, raws, source),
|
||
createDecl(borderBottomRightRadius, splitResult[2], important, raws, source),
|
||
createDecl(borderBottomLeftRadius, splitResult[3], important, raws, source),
|
||
];
|
||
};
|
||
|
||
const flexDirection = 'flexDirection';
|
||
const flexWrap = 'flexWrap';
|
||
const transformFlexFlow = (decl) => {
|
||
let { value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
const splitResult = splitValues(value);
|
||
const singleVarResult = tryExpandSingleValueVarShorthand();
|
||
// 单个 var() 无法提前判断是 direction 还是 wrap，dom2 下直接平铺。
|
||
if (singleVarResult) {
|
||
return singleVarResult;
|
||
}
|
||
const result = [
|
||
/^(column|column-reverse|row|row-reverse)$/,
|
||
/^(nowrap|wrap|wrap-reverse)$/,
|
||
].map((item) => {
|
||
const index = splitResult.findIndex((str) => item.test(str));
|
||
return index < 0 ? null : splitResult.splice(index, 1)[0];
|
||
});
|
||
if (splitResult.length) {
|
||
return [decl];
|
||
}
|
||
return [
|
||
createDecl(flexDirection, result[0] || 'column', important, raws, source),
|
||
createDecl(flexWrap, result[1] || 'nowrap', important, raws, source),
|
||
];
|
||
};
|
||
|
||
const top = 'Top';
|
||
const right = 'Right';
|
||
const bottom = 'Bottom';
|
||
const left = 'Left';
|
||
const createTransformBox = (type) => {
|
||
return (decl) => {
|
||
const { value, important, raws, source } = decl;
|
||
const splitResult = splitValues(value);
|
||
switch (splitResult.length) {
|
||
case 1:
|
||
splitResult.push(splitResult[0], splitResult[0], splitResult[0]);
|
||
break;
|
||
case 2:
|
||
splitResult.push(splitResult[0], splitResult[1]);
|
||
break;
|
||
case 3:
|
||
splitResult.push(splitResult[1]);
|
||
break;
|
||
}
|
||
return [
|
||
createDecl(type + top, splitResult[0], important, raws, source),
|
||
createDecl(type + right, splitResult[1], important, raws, source),
|
||
createDecl(type + bottom, splitResult[2], important, raws, source),
|
||
createDecl(type + left, splitResult[3], important, raws, source),
|
||
];
|
||
};
|
||
};
|
||
const transformMargin = createTransformBox('margin');
|
||
|
||
const transformPadding = createTransformBox('padding');
|
||
|
||
const transitionProperty = 'transitionProperty';
|
||
const transitionDuration = 'transitionDuration';
|
||
const transitionTimingFunction = 'transitionTimingFunction';
|
||
const transitionDelay = 'transitionDelay';
|
||
const transformTransition = (decl) => {
|
||
let { value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
const result = [];
|
||
let match;
|
||
// 针对 cubic-bezier 特殊处理
|
||
// eg: cubic-bezier(0.42, 0, 1.0, 3) // (0.2,-2,0.8,2)
|
||
if (value.includes('cubic-bezier')) {
|
||
const CHUNK_REGEXP = /^(\S*)?\s*(\d*\.?\d+(?:ms|s)?)?\s*((\S*)|cubic-bezier\(.*\))?\s*(\d*\.?\d+(?:ms|s)?)?$/;
|
||
match = value.match(CHUNK_REGEXP);
|
||
}
|
||
else {
|
||
const CHUNK_REGEXP = /^(\S*)?\s*(\d*\.?\d+(?:ms|s)?)?\s*(\S*)?\s*(\d*\.?\d+(?:ms|s)?)?$/;
|
||
match = value.match(CHUNK_REGEXP);
|
||
}
|
||
if (!match) {
|
||
return result;
|
||
}
|
||
match[1] &&
|
||
result.push(createDecl(transitionProperty, match[1], important, raws, source));
|
||
match[2] &&
|
||
result.push(createDecl(transitionDuration, match[2], important, raws, source));
|
||
match[3] &&
|
||
result.push(createDecl(transitionTimingFunction, match[3], important, raws, source));
|
||
match[4] &&
|
||
result.push(createDecl(transitionDelay, match[4], important, raws, source));
|
||
return result;
|
||
};
|
||
|
||
const flexGrow = 'flexGrow';
|
||
const flexShrink = 'flexShrink';
|
||
const flexBasis = 'flexBasis';
|
||
const transformFlex = (decl) => {
|
||
let { value, important, raws, source } = decl;
|
||
value = value.trim();
|
||
const result = [];
|
||
const splitResult = splitValues(value);
|
||
const singleVarResult = tryExpandSingleValueVarShorthand();
|
||
// 单个 var() 无法提前拆出 grow/shrink/basis，dom2 下按 border 的兜底逻辑平铺。
|
||
if (singleVarResult) {
|
||
return singleVarResult;
|
||
}
|
||
// 是否 flex-grow 的有效值 <number [0,∞]>
|
||
const isFlexGrowValid = (v) => isNumber(Number(v)) && !Number.isNaN(Number(v));
|
||
const isFlexShrinkValid = (v) => isNumber(Number(v)) && !Number.isNaN(Number(v)) && Number(v) >= 0;
|
||
const isFlexBasisValid = (v) => typeof v === 'string' && v.trim() !== '';
|
||
if (splitResult.length === 1) {
|
||
// 关键字处理
|
||
if (value === 'none') {
|
||
result.push(createDecl(flexGrow, '0', important, raws, source), createDecl(flexShrink, '0', important, raws, source), createDecl(flexBasis, 'auto', important, raws, source));
|
||
return result;
|
||
}
|
||
if (value === 'auto') {
|
||
result.push(createDecl(flexGrow, '1', important, raws, source), createDecl(flexShrink, '1', important, raws, source), createDecl(flexBasis, 'auto', important, raws, source));
|
||
return result;
|
||
}
|
||
if (value === 'initial') {
|
||
result.push(createDecl(flexGrow, '0', important, raws, source), createDecl(flexShrink, '1', important, raws, source), createDecl(flexBasis, 'auto', important, raws, source));
|
||
return result;
|
||
}
|
||
const v = splitResult[0];
|
||
// number 视为 flex-grow
|
||
if (isFlexGrowValid(v)) {
|
||
if (Number(v) < 0) {
|
||
return [];
|
||
}
|
||
result.push(createDecl(flexGrow, v, important, raws, source), createDecl(flexShrink, '1', important, raws, source), createDecl(flexBasis, '0%', important, raws, source));
|
||
return result;
|
||
}
|
||
else if (isFlexBasisValid(v)) {
|
||
result.push(createDecl(flexGrow, '1', important, raws, source), createDecl(flexShrink, '1', important, raws, source), createDecl(flexBasis, v, important, raws, source));
|
||
return result;
|
||
}
|
||
else {
|
||
return [decl];
|
||
}
|
||
}
|
||
else if (splitResult.length === 2) {
|
||
const [v1, v2] = splitResult;
|
||
if (isFlexGrowValid(v1)) {
|
||
if (isFlexShrinkValid(v2)) {
|
||
// flex: 1 2 => 1 2 0%
|
||
result.push(createDecl(flexGrow, v1, important, raws, source), createDecl(flexShrink, v2, important, raws, source), createDecl(flexBasis, '0%', important, raws, source));
|
||
return result;
|
||
}
|
||
else {
|
||
// flex: 1 100px => 1 1 100px
|
||
result.push(createDecl(flexGrow, v1, important, raws, source), createDecl(flexShrink, '1', important, raws, source), createDecl(flexBasis, v2, important, raws, source));
|
||
return result;
|
||
}
|
||
}
|
||
else {
|
||
return [decl];
|
||
}
|
||
}
|
||
else if (splitResult.length === 3) {
|
||
const [v1, v2, v3] = splitResult;
|
||
if (isFlexGrowValid(v1) && isFlexShrinkValid(v2)) {
|
||
result.push(createDecl(flexGrow, v1, important, raws, source), createDecl(flexShrink, v2, important, raws, source), createDecl(flexBasis, v3, important, raws, source));
|
||
return result;
|
||
}
|
||
else {
|
||
// fallback
|
||
return [decl];
|
||
}
|
||
}
|
||
// 其它情况，原样返回
|
||
return [decl];
|
||
};
|
||
|
||
function getDeclTransforms(options) {
|
||
const transformBorder = options.type === 'uvue'
|
||
? createTransformBorder()
|
||
: createTransformBorderNvue();
|
||
const styleMap = {
|
||
transition: transformTransition,
|
||
border: transformBorder,
|
||
background: createTransformBackground(options),
|
||
['borderTop']: transformBorder,
|
||
['borderRight']: transformBorder,
|
||
['borderBottom']: transformBorder,
|
||
['borderLeft']: transformBorder,
|
||
['borderStyle']: options.type === 'uvue' ? transformBorderStyle : transformBorderStyleNvue,
|
||
['borderWidth']: options.type === 'uvue' ? transformBorderWidth : transformBorderWidthNvue,
|
||
['borderColor']: options.type === 'uvue' ? transformBorderColor : transformBorderColorNvue,
|
||
['borderRadius']: options.type === 'uvue'
|
||
? transformBorderRadius
|
||
: transformBorderRadiusNvue,
|
||
// uvue已经支持这些简写属性，不需要展开
|
||
// margin,padding继续展开，确保样式的优先级
|
||
margin: transformMargin,
|
||
padding: transformPadding,
|
||
['flexFlow']: transformFlexFlow,
|
||
};
|
||
if (options.type === 'uvue') {
|
||
styleMap.flex = transformFlex;
|
||
}
|
||
let result = {};
|
||
{
|
||
result = styleMap;
|
||
}
|
||
return result;
|
||
}
|
||
let DeclTransforms;
|
||
const expanded = Symbol('expanded');
|
||
function expand(options) {
|
||
const plugin = {
|
||
postcssPlugin: `${options.type || 'nvue'}:expand`,
|
||
Declaration(decl, helper) {
|
||
if (decl[expanded]) {
|
||
return;
|
||
}
|
||
if (!DeclTransforms) {
|
||
DeclTransforms = getDeclTransforms(options);
|
||
}
|
||
const transform = DeclTransforms[decl.prop];
|
||
if (transform) {
|
||
const res = transform(decl);
|
||
const reason = decl[BORDER_SHORTHAND_VAR_ORDER_WARNING];
|
||
if (reason && helper && decl.warn) {
|
||
let needLog = false;
|
||
if (options.logLevel === 'NOTE') {
|
||
needLog = true;
|
||
}
|
||
else if (options.logLevel === 'ERROR') {
|
||
if (reason.startsWith('ERROR:')) {
|
||
needLog = true;
|
||
}
|
||
}
|
||
else {
|
||
if (!reason.startsWith('NOTE:')) {
|
||
needLog = true;
|
||
}
|
||
}
|
||
if (needLog) {
|
||
decl.warn(helper.result, reason);
|
||
}
|
||
delete decl[BORDER_SHORTHAND_VAR_ORDER_WARNING];
|
||
}
|
||
const isSame = res.length === 1 && res[0] === decl;
|
||
if (!isSame) {
|
||
decl.replaceWith(res);
|
||
}
|
||
}
|
||
decl[expanded] = true;
|
||
},
|
||
};
|
||
return plugin;
|
||
}
|
||
|
||
export { expand };
|