|
|
- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
-
- var _postcss = require("postcss");
-
- var _postcssValueParser = require("postcss-value-parser");
-
- var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- const atrule = "atrule";
- const decl = "decl";
- const rule = "rule";
-
- function reduceCalcWhitespaces(node) {
- if (node.type === "space") {
- node.value = " ";
- } else if (node.type === "function") {
- node.before = node.after = "";
- }
- }
-
- function reduceWhitespaces(node) {
- if (node.type === "space") {
- node.value = " ";
- } else if (node.type === "div") {
- node.before = node.after = "";
- } else if (node.type === "function") {
- node.before = node.after = "";
-
- if (node.value.toLowerCase() === "calc") {
- _postcssValueParser2.default.walk(node.nodes, reduceCalcWhitespaces);
- return false;
- }
- }
- }
-
- exports.default = (0, _postcss.plugin)("postcss-normalize-whitespace", () => {
- return css => {
- const cache = {};
-
- css.walk(node => {
- const { type } = node;
-
- if (~[decl, rule, atrule].indexOf(type) && node.raws.before) {
- node.raws.before = node.raws.before.replace(/\s/g, "");
- }
-
- if (type === decl) {
- // Ensure that !important values do not have any excess whitespace
- if (node.important) {
- node.raws.important = "!important";
- }
-
- // Remove whitespaces around ie 9 hack
- node.value = node.value.replace(/\s*(\\9)\s*/, "$1");
-
- const value = node.value;
-
- if (cache[value]) {
- node.value = cache[value];
- } else {
- const parsed = (0, _postcssValueParser2.default)(node.value);
- const result = parsed.walk(reduceWhitespaces).toString();
-
- // Trim whitespace inside functions & dividers
- node.value = result;
- cache[value] = result;
- }
-
- // Remove extra semicolons and whitespace before the declaration
- if (node.raws.before) {
- const prev = node.prev();
-
- if (prev && prev.type !== rule) {
- node.raws.before = node.raws.before.replace(/;/g, "");
- }
- }
-
- node.raws.between = ":";
- node.raws.semicolon = false;
- } else if (type === rule || type === atrule) {
- node.raws.between = node.raws.after = "";
- node.raws.semicolon = false;
- }
- });
-
- // Remove final newline
- css.raws.after = "";
- };
- });
- module.exports = exports["default"];
|