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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
-
- var _postcss = require("postcss");
-
- var _commentRemover = require("./lib/commentRemover");
-
- var _commentRemover2 = _interopRequireDefault(_commentRemover);
-
- var _commentParser = require("./lib/commentParser");
-
- var _commentParser2 = _interopRequireDefault(_commentParser);
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- const { space } = _postcss.list;
-
- exports.default = (0, _postcss.plugin)("postcss-discard-comments", (opts = {}) => {
- const remover = new _commentRemover2.default(opts);
- const matcherCache = {};
- const replacerCache = {};
-
- function matchesComments(source) {
- if (matcherCache[source]) {
- return matcherCache[source];
- }
-
- const result = (0, _commentParser2.default)(source).filter(([type]) => type);
-
- matcherCache[source] = result;
-
- return result;
- }
-
- function replaceComments(source, separator = " ") {
- const key = source + "@|@" + separator;
-
- if (replacerCache[key]) {
- return replacerCache[key];
- }
-
- const parsed = (0, _commentParser2.default)(source).reduce((value, [type, start, end]) => {
- const contents = source.slice(start, end);
-
- if (!type) {
- return value + contents;
- }
-
- if (remover.canRemove(contents)) {
- return value + separator;
- }
-
- return `${value}/*${contents}*/`;
- }, "");
-
- const result = space(parsed).join(" ");
-
- replacerCache[key] = result;
-
- return result;
- }
-
- return css => {
- css.walk(node => {
- if (node.type === "comment" && remover.canRemove(node.text)) {
- node.remove();
-
- return;
- }
-
- if (node.raws.between) {
- node.raws.between = replaceComments(node.raws.between);
- }
-
- if (node.type === "decl") {
- if (node.raws.value && node.raws.value.raw) {
- if (node.raws.value.value === node.value) {
- node.value = replaceComments(node.raws.value.raw);
- } else {
- node.value = replaceComments(node.value);
- }
-
- node.raws.value = null;
- }
-
- if (node.raws.important) {
- node.raws.important = replaceComments(node.raws.important);
-
- const b = matchesComments(node.raws.important);
-
- node.raws.important = b.length ? node.raws.important : "!important";
- }
-
- return;
- }
-
- if (node.type === "rule" && node.raws.selector && node.raws.selector.raw) {
- node.raws.selector.raw = replaceComments(node.raws.selector.raw, "");
-
- return;
- }
-
- if (node.type === "atrule") {
- if (node.raws.afterName) {
- const commentsReplaced = replaceComments(node.raws.afterName);
-
- if (!commentsReplaced.length) {
- node.raws.afterName = commentsReplaced + " ";
- } else {
- node.raws.afterName = " " + commentsReplaced + " ";
- }
- }
-
- if (node.raws.params && node.raws.params.raw) {
- node.raws.params.raw = replaceComments(node.raws.params.raw);
- }
- }
- });
- };
- });
- module.exports = exports["default"];
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