initial commit

node_modules/postcss-convert-values/dist/index.js

@@ -0,0 +1,95 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _postcss = require('postcss');
+
+var _postcss2 = _interopRequireDefault(_postcss);
+
+var _postcssValueParser = require('postcss-value-parser');
+
+var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
+
+var _convert = require('./lib/convert');
+
+var _convert2 = _interopRequireDefault(_convert);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const LENGTH_UNITS = ['em', 'ex', 'ch', 'rem', 'vw', 'vh', 'vmin', 'vmax', 'cm', 'mm', 'q', 'in', 'pt', 'pc', 'px'];
+
+function parseWord(node, opts, keepZeroUnit) {
+    const pair = (0, _postcssValueParser.unit)(node.value);
+    if (pair) {
+        const num = Number(pair.number);
+        const u = pair.unit;
+        if (num === 0) {
+            node.value = keepZeroUnit || !~LENGTH_UNITS.indexOf(u.toLowerCase()) && u !== '%' ? 0 + u : 0;
+        } else {
+            node.value = (0, _convert2.default)(num, u, opts);
+
+            if (typeof opts.precision === 'number' && u.toLowerCase() === 'px' && ~pair.number.indexOf('.')) {
+                const precision = Math.pow(10, opts.precision);
+                node.value = Math.round(parseFloat(node.value) * precision) / precision + u;
+            }
+        }
+    }
+}
+
+function clampOpacity(node) {
+    const pair = (0, _postcssValueParser.unit)(node.value);
+    if (!pair) {
+        return;
+    }
+    let num = Number(pair.number);
+    if (num > 1) {
+        node.value = 1 + pair.unit;
+    } else if (num < 0) {
+        node.value = 0 + pair.unit;
+    }
+}
+
+function shouldStripPercent(decl) {
+    const { parent } = decl;
+    const lowerCasedProp = decl.prop.toLowerCase();
+    return ~decl.value.indexOf('%') && (lowerCasedProp === 'max-height' || lowerCasedProp === 'height') || parent.parent && parent.parent.name && parent.parent.name.toLowerCase() === 'keyframes' && lowerCasedProp === 'stroke-dasharray' || lowerCasedProp === 'stroke-dashoffset' || lowerCasedProp === 'stroke-width';
+}
+
+function transform(opts, decl) {
+    const lowerCasedProp = decl.prop.toLowerCase();
+    if (~lowerCasedProp.indexOf('flex') || lowerCasedProp.indexOf('--') === 0) {
+        return;
+    }
+
+    decl.value = (0, _postcssValueParser2.default)(decl.value).walk(node => {
+        const lowerCasedValue = node.value.toLowerCase();
+
+        if (node.type === 'word') {
+            parseWord(node, opts, shouldStripPercent(decl));
+            if (lowerCasedProp === 'opacity' || lowerCasedProp === 'shape-image-threshold') {
+                clampOpacity(node);
+            }
+        } else if (node.type === 'function') {
+            if (lowerCasedValue === 'calc' || lowerCasedValue === 'hsl' || lowerCasedValue === 'hsla') {
+                (0, _postcssValueParser.walk)(node.nodes, n => {
+                    if (n.type === 'word') {
+                        parseWord(n, opts, true);
+                    }
+                });
+                return false;
+            }
+            if (lowerCasedValue === 'url') {
+                return false;
+            }
+        }
+    }).toString();
+}
+
+const plugin = 'postcss-convert-values';
+
+exports.default = _postcss2.default.plugin(plugin, (opts = { precision: false }) => {
+    return css => css.walkDecls(transform.bind(null, opts));
+});
+module.exports = exports['default'];