@mapcss/core/script/core/postcss/minify.js

Tiny, composable Atomic CSS engine

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.minifySelector = void 0;
const postcss_selector_parser_js_1 = __importDefault(require("../../deps/esm.sh/postcss-selector-parser.js"));
const postcss_value_parser_js_1 = __importDefault(require("../../deps/esm.sh/postcss-value-parser.js"));
const selectorProcessor = (0, postcss_selector_parser_js_1.default)((selectors) => {
    selectors.walk((selector) => {
        selector.spaces = { before: "", after: "" };
    });
});
function minifySelector(value) {
    return selectorProcessor.processSync(value);
}
exports.minifySelector = minifySelector;
function minifyValue(value) {
    const parsed = (0, postcss_value_parser_js_1.default)(value.trim());
    parsed.walk((node) => {
        if (node.type === "div" || node.type === "function") {
            node.before = "";
            node.after = "";
        }
        if (node.type === "space")
            node.value = " ";
    });
    return parsed.toString();
}
function plugin() {
    return {
        postcssPlugin: "postcss-minify",
        AtRule: (atrule) => {
            atrule.raws = { before: "", after: "", afterName: " " };
            atrule.params = minifyValue(atrule.params);
        },
        Comment: (comment) => {
            if (comment.text[0] === "!") {
                comment.raws.before = "";
                comment.raws.after = "";
            }
            else {
                comment.remove();
            }
        },
        Declaration: (decl) => {
            decl.raws = { before: "", between: ":", value: decl.raws.value };
            decl.value = minifyValue(decl.value);
        },
        Rule: (rule) => {
            rule.raws = { before: "", between: "", after: "", semicolon: false };
            rule.selector = minifySelector(rule.selector);
        },
        OnceExit: (css) => {
            css.raws.after = "";
        },
    };
}
plugin.postcss = true;
exports.default = plugin;