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import { hyphenate, capitalize } from '@vue/shared';
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function createDecl(prop, value, important, raws, source) {
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const decl = {
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type: 'decl',
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prop,
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value: value.toString(),
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raws,
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source,
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};
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if (important) {
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decl.important = true;
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}
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return decl;
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}
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const backgroundColor = 'backgroundColor';
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const backgroundImage = 'backgroundImage';
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const handleTransformBackground = (decl) => {
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const { value, important, raws, source } = decl;
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if (/^#?\S+$/.test(value) || /^rgba?(.+)$/.test(value)) {
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return [
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createDecl(backgroundImage, 'none', important, raws, source),
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createDecl(backgroundColor, value, important, raws, source),
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];
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}
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else if (/^linear-gradient(.+)$/.test(value)) {
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return [
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createDecl(backgroundImage, value, important, raws, source),
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createDecl(backgroundColor, 'transparent', important, raws, source),
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];
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}
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else if (value == '') {
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return [
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createDecl(backgroundImage, 'none', important, raws, source),
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createDecl(backgroundColor, 'transparent', important, raws, source),
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];
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}
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return [decl];
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};
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const handleTransformBackgroundNvue = (decl) => {
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const { value, important, raws, source } = decl;
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if (/^#?\S+$/.test(value) || /^rgba?(.+)$/.test(value)) {
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return [createDecl(backgroundColor, value, important, raws, source)];
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}
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else if (/^linear-gradient(.+)$/.test(value)) {
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return [createDecl(backgroundImage, value, important, raws, source)];
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}
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else if (value == '') {
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return [decl];
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}
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return [decl];
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};
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function createTransformBackground(options) {
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return (decl) => {
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// nvue 平台维持原有逻辑不变
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const isUvuePlatform = options.type === 'uvue';
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if (isUvuePlatform) {
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return handleTransformBackground(decl);
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}
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else {
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return handleTransformBackgroundNvue(decl);
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}
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};
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}
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function borderTop() {
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return 'borderTop';
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}
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function borderRight() {
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return 'borderRight';
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}
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function borderBottom() {
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return 'borderBottom';
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}
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function borderLeft() {
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return 'borderLeft';
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}
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const transformBorderColor = (decl) => {
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const { prop, value, important, raws, source } = decl;
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const _property_split = hyphenate(prop).split('-');
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let property = _property_split[_property_split.length - 1];
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{
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property = capitalize(property);
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}
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const splitResult = value.replace(/\s*,\s*/g, ',').split(/\s+/); // 1pt
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switch (splitResult.length) {
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case 1:
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if (_property_split.length === 3) {
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// border-top-width
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return [decl];
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}
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// border-width
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splitResult.push(splitResult[0], splitResult[0], splitResult[0]);
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break;
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case 2:
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splitResult.push(splitResult[0], splitResult[1]);
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break;
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case 3:
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splitResult.push(splitResult[1]);
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break;
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}
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return [
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createDecl(borderTop() + property, splitResult[0], important, raws, source),
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createDecl(borderRight() + property, splitResult[1], important, raws, source),
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createDecl(borderBottom() + property, splitResult[2], important, raws, source),
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createDecl(borderLeft() + property, splitResult[3], important, raws, source),
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];
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};
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const transformBorderColorNvue = (decl) => {
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const { prop, value, important, raws, source } = decl;
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let property = hyphenate(prop).split('-')[1];
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{
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property = capitalize(property);
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}
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const splitResult = value.replace(/\s*,\s*/g, ',').split(/\s+/);
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switch (splitResult.length) {
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case 1:
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return [decl];
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case 2:
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splitResult.push(splitResult[0], splitResult[1]);
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break;
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case 3:
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splitResult.push(splitResult[1]);
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break;
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}
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return [
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createDecl(borderTop + property, splitResult[0], important, raws, source),
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createDecl(borderRight + property, splitResult[1], important, raws, source),
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createDecl(borderBottom + property, splitResult[2], important, raws, source),
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createDecl(borderLeft + property, splitResult[3], important, raws, source),
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];
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};
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const transformBorderStyle = transformBorderColor;
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const transformBorderStyleNvue = transformBorderColorNvue;
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const transformBorderWidth = transformBorderColor;
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const transformBorderWidthNvue = transformBorderColorNvue;
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function createTransformBorder(options) {
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return (decl) => {
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const borderWidth = () => {
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return 'Width';
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};
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const borderStyle = () => {
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return 'Style';
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};
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const borderColor = () => {
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return 'Color';
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};
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const { prop, value, important, raws, source } = decl;
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const splitResult = value.replace(/\s*,\s*/g, ',').split(/\s+/);
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const result = [
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/^[\d\.]+\S*|^(thin|medium|thick)$/,
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/^(solid|dashed|dotted|none)$/,
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/\S+/,
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].map((item) => {
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const index = splitResult.findIndex((str) => item.test(str));
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return index < 0 ? null : splitResult.splice(index, 1)[0];
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});
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|
const isUvuePlatform = options.type == 'uvue';
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|
|
if (isUvuePlatform) {
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if (splitResult.length > 0 && value != '') {
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return [decl];
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}
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}
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else {
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// nvue 维持不变
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|
if (splitResult.length > 0) {
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return [decl];
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}
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}
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const defaultWidth = (str) => {
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if (str != null) {
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return str.trim();
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}
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|
if (options.type == 'uvue') {
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|
return 'medium';
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|
}
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|
return '0';
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|
};
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|
const defaultStyle = (str) => {
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if (str != null) {
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|
return str.trim();
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}
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if (options.type == 'uvue') {
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|
return 'none';
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}
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return 'solid';
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|
};
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const defaultColor = (str) => {
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|
if (str != null) {
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|
return str.trim();
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|
}
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|
return '#000000';
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|
};
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|
|
if (!isUvuePlatform) {
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|
// nvue 维持不变
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|
return [
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createDecl(prop + borderWidth(), defaultWidth(result[0]), important, raws, source),
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createDecl(prop + borderStyle(), defaultStyle(result[1]), important, raws, source),
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createDecl(prop + borderColor(), defaultColor(result[2]), important, raws, source),
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];
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}
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return [
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...transformBorderWidth(createDecl(prop + borderWidth(), defaultWidth(result[0]), important, raws, source)),
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...transformBorderStyle(createDecl(prop + borderStyle(), defaultStyle(result[1]), important, raws, source)),
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...transformBorderColor(createDecl(prop + borderColor(), defaultColor(result[2]), important, raws, source)),
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];
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};
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}
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|
function createTransformBorderNvue(options) {
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|
return (decl) => {
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|
const borderWidth = 'Width';
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|
const borderStyle = 'Style';
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|
const borderColor = 'Color';
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|
const { prop, value, important, raws, source } = decl;
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|
const splitResult = value.replace(/\s*,\s*/g, ',').split(/\s+/);
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|
|
const result = [
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|
|
/^[\d\.]+\S*|^(thin|medium|thick)$/,
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|
|
/^(solid|dashed|dotted|none)$/,
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|
/\S+/,
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|
].map((item) => {
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const index = splitResult.findIndex((str) => item.test(str));
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|
return index < 0 ? null : splitResult.splice(index, 1)[0];
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});
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|
if (splitResult.length) {
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|
return [decl];
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}
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return [
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createDecl(prop + borderWidth, (result[0] || '0').trim(), important, raws, source),
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createDecl(prop + borderStyle, (result[1] || 'solid').trim(), important, raws, source),
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createDecl(prop + borderColor, (result[2] || '#000000').trim(), important, raws, source),
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];
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|
};
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|
}
|
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|
|
const borderTopLeftRadius = 'borderTopLeftRadius';
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|
const borderTopRightRadius = 'borderTopRightRadius';
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|
const borderBottomRightRadius = 'borderBottomRightRadius';
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const borderBottomLeftRadius = 'borderBottomLeftRadius';
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const transformBorderRadius = (decl) => {
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const { value, important, raws, source } = decl;
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const splitResult = value.split(/\s+/);
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|
if (value.includes('/')) {
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|
return [decl];
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|
}
|
|
|
switch (splitResult.length) {
|
|
|
case 1:
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|
|
splitResult.push(splitResult[0], splitResult[0], splitResult[0]);
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|
break;
|
|
|
case 2:
|
|
|
splitResult.push(splitResult[0], splitResult[1]);
|
|
|
break;
|
|
|
case 3:
|
|
|
splitResult.push(splitResult[1]);
|
|
|
break;
|
|
|
}
|
|
|
return [
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|
|
createDecl(borderTopLeftRadius, splitResult[0], important, raws, source),
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|
createDecl(borderTopRightRadius, splitResult[1], important, raws, source),
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|
createDecl(borderBottomRightRadius, splitResult[2], important, raws, source),
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|
createDecl(borderBottomLeftRadius, splitResult[3], important, raws, source),
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];
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|
};
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|
const transformBorderRadiusNvue = (decl) => {
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|
const { value, important, raws, source } = decl;
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|
const splitResult = value.split(/\s+/);
|
|
|
if (value.includes('/')) {
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|
|
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]);
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|
break;
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|
|
}
|
|
|
return [
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|
|
createDecl(borderTopLeftRadius, splitResult[0], important, raws, source),
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|
createDecl(borderTopRightRadius, splitResult[1], important, raws, source),
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|
createDecl(borderBottomRightRadius, splitResult[2], important, raws, source),
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|
createDecl(borderBottomLeftRadius, splitResult[3], important, raws, source),
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|
];
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|
|
};
|
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|
|
const flexDirection = 'flexDirection';
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|
|
const flexWrap = 'flexWrap';
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|
|
const transformFlexFlow = (decl) => {
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|
const { value, important, raws, source } = decl;
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|
const splitResult = value.split(/\s+/);
|
|
|
const result = [
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|
|
/^(column|column-reverse|row|row-reverse)$/,
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|
|
/^(nowrap|wrap|wrap-reverse)$/,
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|
].map((item) => {
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|
|
const index = splitResult.findIndex((str) => item.test(str));
|
|
|
return index < 0 ? null : splitResult.splice(index, 1)[0];
|
|
|
});
|
|
|
if (splitResult.length) {
|
|
|
return [decl];
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|
|
}
|
|
|
return [
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|
|
createDecl(flexDirection, result[0] || 'column', important, raws, source),
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|
|
createDecl(flexWrap, result[1] || 'nowrap', important, raws, source),
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|
|
];
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|
|
};
|
|
|
|
|
|
const top = 'Top';
|
|
|
const right = 'Right';
|
|
|
const bottom = 'Bottom';
|
|
|
const left = 'Left';
|
|
|
const createTransformBox = (type) => {
|
|
|
return (decl) => {
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|
|
const { value, important, raws, source } = decl;
|
|
|
const splitResult = value.split(/\s+/);
|
|
|
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 [
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|
|
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) => {
|
|
|
const { value, important, raws, source } = decl;
|
|
|
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 (decl.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;
|
|
|
};
|
|
|
|
|
|
function getDeclTransforms(options) {
|
|
|
const transformBorder = options.type == 'uvue'
|
|
|
? createTransformBorder(options)
|
|
|
: 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,
|
|
|
/* eslint-disable no-restricted-syntax */
|
|
|
...(options.type !== 'uvue'
|
|
|
? {
|
|
|
flexFlow: transformFlexFlow,
|
|
|
}
|
|
|
: {}),
|
|
|
};
|
|
|
let result = {};
|
|
|
{
|
|
|
result = styleMap;
|
|
|
}
|
|
|
return result;
|
|
|
}
|
|
|
let DeclTransforms;
|
|
|
const expanded = Symbol('expanded');
|
|
|
function expand(options) {
|
|
|
const plugin = {
|
|
|
postcssPlugin: `${options.type || 'nvue'}:expand`,
|
|
|
Declaration(decl) {
|
|
|
if (decl[expanded]) {
|
|
|
return;
|
|
|
}
|
|
|
if (!DeclTransforms) {
|
|
|
DeclTransforms = getDeclTransforms(options);
|
|
|
}
|
|
|
const transform = DeclTransforms[decl.prop];
|
|
|
if (transform) {
|
|
|
const res = transform(decl);
|
|
|
const isSame = res.length === 1 && res[0] === decl;
|
|
|
if (!isSame) {
|
|
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decl.replaceWith(res);
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}
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}
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decl[expanded] = true;
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|
|
},
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|
|
};
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return plugin;
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}
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export { expand };
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