Initial commit

This commit is contained in:
Patrick Marsceill
2017-03-09 13:16:08 -05:00
commit b7b0d0d7bf
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# selector-id-pattern
Specify a pattern for id selectors.
```css
.foo, #bar.baz a, #hoo[disabled] { color: pink; }
/** ↑ ↑
* These id selectors */
```
## Options
`regex|string`
A string will be translated into a RegExp — `new RegExp(yourString)` so *be sure to escape properly*.
The selector value *after `#`* will be checked. No need to include `#` in your pattern.
Given the string:
```js
"foo-[a-z]+"
```
The following patterns are considered warnings:
```css
#foop {}
```
```css
#foo-BAR {}
```
```css
div > .zing + #foo-BAR {}
```
The following patterns are *not* considered warnings:
```css
#foo-bar {}
```
```css
div > .zing + #foo-bar {}
```
```css
.foop {}
```
```css
[foo='bar'] {}
```

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"use strict"
const _ = require("lodash")
const isStandardSyntaxRule = require("../../utils/isStandardSyntaxRule")
const isStandardSyntaxSelector = require("../../utils/isStandardSyntaxSelector")
const parseSelector = require("../../utils/parseSelector")
const report = require("../../utils/report")
const ruleMessages = require("../../utils/ruleMessages")
const validateOptions = require("../../utils/validateOptions")
const ruleName = "selector-id-pattern"
const messages = ruleMessages(ruleName, {
expected: selectorValue => `Expected id selector "#${selectorValue}" to match specified pattern`,
})
const rule = function (pattern) {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, {
actual: pattern,
possible: [
_.isRegExp,
_.isString,
],
})
if (!validOptions) {
return
}
const normalizedPattern = _.isString(pattern) ? new RegExp(pattern) : pattern
root.walkRules(rule => {
if (!isStandardSyntaxRule(rule)) {
return
}
const selector = rule.selector
if (!isStandardSyntaxSelector(selector)) {
return
}
parseSelector(selector, result, rule, fullSelector => {
fullSelector.walk(selectorNode => {
if (selectorNode.type !== "id") {
return
}
const value = selectorNode.value,
sourceIndex = selectorNode.sourceIndex
if (normalizedPattern.test(value)) {
return
}
report({
result,
ruleName,
message: messages.expected(value),
node: rule,
index: sourceIndex,
})
})
})
})
}
}
rule.ruleName = ruleName
rule.messages = messages
module.exports = rule