source: trip-planner-front/node_modules/postcss-calc/dist/lib/stringifier.js@ 6c1585f

Last change on this file since 6c1585f was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.9 KB
Line 
1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4 value: true
5});
6exports.default = _default;
7const order = {
8 "*": 0,
9 "/": 0,
10 "+": 1,
11 "-": 1
12};
13
14function round(value, prec) {
15 if (prec !== false) {
16 const precision = Math.pow(10, prec);
17 return Math.round(value * precision) / precision;
18 }
19
20 return value;
21}
22
23function stringify(node, prec) {
24 switch (node.type) {
25 case "MathExpression":
26 {
27 const {
28 left,
29 right,
30 operator: op
31 } = node;
32 let str = "";
33
34 if (left.type === 'MathExpression' && order[op] < order[left.operator]) {
35 str += `(${stringify(left, prec)})`;
36 } else {
37 str += stringify(left, prec);
38 }
39
40 str += order[op] ? ` ${node.operator} ` : node.operator;
41
42 if (right.type === 'MathExpression' && order[op] < order[right.operator]) {
43 str += `(${stringify(right, prec)})`;
44 } else {
45 str += stringify(right, prec);
46 }
47
48 return str;
49 }
50
51 case 'Number':
52 return round(node.value, prec);
53
54 case 'Function':
55 return node.value;
56
57 default:
58 return round(node.value, prec) + node.unit;
59 }
60}
61
62function _default(calc, node, originalValue, options, result, item) {
63 let str = stringify(node, options.precision);
64 const shouldPrintCalc = node.type === "MathExpression" || node.type === "Function";
65
66 if (shouldPrintCalc) {
67 // if calc expression couldn't be resolved to a single value, re-wrap it as
68 // a calc()
69 str = `${calc}(${str})`; // if the warnWhenCannotResolve option is on, inform the user that the calc
70 // expression could not be resolved to a single value
71
72 if (options.warnWhenCannotResolve) {
73 result.warn("Could not reduce expression: " + originalValue, {
74 plugin: 'postcss-calc',
75 node: item
76 });
77 }
78 }
79
80 return str;
81}
82
83module.exports = exports.default;
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