-
-
Notifications
You must be signed in to change notification settings - Fork 929
/
index.js
98 lines (84 loc) · 2.56 KB
/
index.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
"use strict";
const _ = require("lodash");
const atRuleParamIndex = require("../../utils/atRuleParamIndex");
const declarationValueIndex = require("../../utils/declarationValueIndex");
const getUnitFromValueNode = require("../../utils/getUnitFromValueNode");
const optionsMatches = require("../../utils/optionsMatches");
const report = require("../../utils/report");
const ruleMessages = require("../../utils/ruleMessages");
const validateObjectWithArrayProps = require("../../utils/validateObjectWithArrayProps");
const validateOptions = require("../../utils/validateOptions");
const valueParser = require("postcss-value-parser");
const ruleName = "unit-whitelist";
const messages = ruleMessages(ruleName, {
rejected: unit => `Unexpected unit "${unit}"`
});
const rule = function(whitelistInput, options) {
const whitelist = [].concat(whitelistInput);
return (root, result) => {
const validOptions = validateOptions(
result,
ruleName,
{
actual: whitelist,
possible: [_.isString]
},
{
optional: true,
actual: options,
possible: {
ignoreProperties: validateObjectWithArrayProps([
_.isString,
_.isRegExp
])
}
}
);
if (!validOptions) {
return;
}
function check(node, value, getIndex) {
// make sure multiplication operations (*) are divided - not handled
// by postcss-value-parser
value = value.replace(/\*/g, ",");
valueParser(value).walk(function(valueNode) {
// Ignore wrong units within `url` function
if (
valueNode.type === "function" &&
valueNode.value.toLowerCase() === "url"
) {
return false;
}
const unit = getUnitFromValueNode(valueNode);
if (!unit || (unit && whitelist.indexOf(unit.toLowerCase()) !== -1)) {
return;
}
if (
options &&
optionsMatches(
options["ignoreProperties"],
unit.toLowerCase(),
node.prop
)
) {
return;
}
report({
index: getIndex(node) + valueNode.sourceIndex,
message: messages.rejected(unit),
node,
result,
ruleName
});
});
}
root.walkAtRules(/^media$/i, atRule =>
check(atRule, atRule.params, atRuleParamIndex)
);
root.walkDecls(decl => check(decl, decl.value, declarationValueIndex));
};
};
rule.primaryOptionArray = true;
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;