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