|
|
- "use strict";
- var __importStar = (this && this.__importStar) || function (mod) {
- if (mod && mod.__esModule) return mod;
- var result = {};
- if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
- result["default"] = mod;
- return result;
- };
- Object.defineProperty(exports, "__esModule", { value: true });
- const postcss = __importStar(require("postcss"));
- // postcss-selector-parser does have typings but it's problematic to work with.
- const selectorParser = require('postcss-selector-parser');
- exports.default = postcss.plugin('add-id', (options) => (root) => {
- const id = options;
- const keyframes = Object.create(null);
- root.each(function rewriteSelector(node) {
- if (!node.selector) {
- // handle media queries
- if (node.type === 'atrule') {
- if (node.name === 'media' || node.name === 'supports') {
- node.each(rewriteSelector);
- }
- else if (/-?keyframes$/.test(node.name)) {
- // register keyframes
- keyframes[node.params] = node.params = node.params + '-' + id;
- }
- }
- return;
- }
- node.selector = selectorParser((selectors) => {
- selectors.each((selector) => {
- let node = null;
- // find the last child node to insert attribute selector
- selector.each((n) => {
- // ">>>" combinator
- // and /deep/ alias for >>>, since >>> doesn't work in SASS
- if (n.type === 'combinator' &&
- (n.value === '>>>' || n.value === '/deep/')) {
- n.value = ' ';
- n.spaces.before = n.spaces.after = '';
- return false;
- }
- // in newer versions of sass, /deep/ support is also dropped, so add a ::v-deep alias
- if (n.type === 'pseudo' && n.value === '::v-deep') {
- n.value = n.spaces.before = n.spaces.after = '';
- return false;
- }
- if (n.type !== 'pseudo' && n.type !== 'combinator') {
- node = n;
- }
- });
- if (node) {
- node.spaces.after = '';
- }
- else {
- // For deep selectors & standalone pseudo selectors,
- // the attribute selectors are prepended rather than appended.
- // So all leading spaces must be eliminated to avoid problems.
- selector.first.spaces.before = '';
- }
- selector.insertAfter(node, selectorParser.attribute({
- attribute: id
- }));
- });
- }).processSync(node.selector);
- });
- // If keyframes are found in this <style>, find and rewrite animation names
- // in declarations.
- // Caveat: this only works for keyframes and animation rules in the same
- // <style> element.
- if (Object.keys(keyframes).length) {
- root.walkDecls(decl => {
- // individual animation-name declaration
- if (/^(-\w+-)?animation-name$/.test(decl.prop)) {
- decl.value = decl.value
- .split(',')
- .map(v => keyframes[v.trim()] || v.trim())
- .join(',');
- }
- // shorthand
- if (/^(-\w+-)?animation$/.test(decl.prop)) {
- decl.value = decl.value
- .split(',')
- .map(v => {
- const vals = v.trim().split(/\s+/);
- const i = vals.findIndex(val => keyframes[val]);
- if (i !== -1) {
- vals.splice(i, 1, keyframes[vals[i]]);
- return vals.join(' ');
- }
- else {
- return v;
- }
- })
- .join(',');
- }
- });
- }
- });
|