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postcss-selector-parser

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postcss-selector-parser - npm Package Compare versions

Comparing version

2.1.1
to
2.2.0

40

API.md

@@ -14,5 +14,10 @@ # API Documentation

### `parser(transform)`
### `parser([transform])`
Creates a new `processor` instance
```js
var processor = parser();
// or, with optional transform function
var transform = function (selectors) {

@@ -24,6 +29,11 @@ selectors.eachUniversal(function (selector) {

var result = parser(transform).process('*.class').result;
var processor = parser(transform)
// Example
var result = processor.process('*.class').result;
// => .class
```
[See processor documentation](#processor)
Arguments:

@@ -591,1 +601,27 @@

```
## `processor`
### `process(cssText, [options])`
Processes the `cssText`, returning the parsed output
```js
var processor = parser();
var result = processor.process(' .class').result;
// => .class
// To have the parser normalize whitespace values, utilize the options
var result = processor.process(' .class ', {lossless: false}).result;
// => .class
```
Arguments:
* `cssText (string)`: The css to be parsed.
* `[options] (object)`: Process options
Options:
* `loseless (boolean)`: false to normalize the selector whitespace, defaults to true

5

CHANGELOG.md

@@ -0,1 +1,6 @@

# 2.2.0
* Added a new option to normalize whitespace when parsing the selector string
(thanks to @adam-26).
# 2.1.1

@@ -2,0 +7,0 @@

72

dist/parser.js

@@ -90,2 +90,3 @@ 'use strict';

this.input = input;
this.lossy = input.options.lossless === false;
this.position = 0;

@@ -98,3 +99,7 @@ this.root = new _root2.default();

this.current = selectors;
this.tokens = (0, _tokenize2.default)(input);
if (this.lossy) {
this.tokens = (0, _tokenize2.default)({ safe: input.safe, css: input.css.trim() });
} else {
this.tokens = (0, _tokenize2.default)(input);
}

@@ -137,6 +142,6 @@ return this.loop();

}
attributeProps.attribute = namespace[2];
attributeProps.namespace = namespace[0];
attributeProps.attribute = this.parseValue(namespace[2]);
attributeProps.namespace = this.parseNamespace(namespace[0]);
} else {
attributeProps.attribute = parts[0];
attributeProps.attribute = this.parseValue(parts[0]);
}

@@ -147,8 +152,10 @@ attr = new _attribute2.default(attributeProps);

var insensitive = parts[2].split(/(\s+i\s*?)$/);
attr.value = insensitive[0];
var trimmedValue = insensitive[0].trim();
attr.value = this.lossy ? trimmedValue : insensitive[0];
if (insensitive[1]) {
attr.insensitive = true;
attr.raws.insensitive = insensitive[1];
if (!this.lossy) {
attr.raws.insensitive = insensitive[1];
}
}
var trimmedValue = attr.value.trim();
attr.quoted = trimmedValue[0] === '\'' || trimmedValue[0] === '"';

@@ -181,3 +188,3 @@ attr.raws.unquoted = attr.quoted ? trimmedValue.slice(1, -1) : trimmedValue;

if (this.nextToken && this.nextToken[0] === 'combinator') {
node.spaces.before = this.currToken[1];
node.spaces.before = this.parseSpace(this.currToken[1]);
node.source.start.line = this.nextToken[2];

@@ -189,5 +196,7 @@ node.source.start.column = this.nextToken[3];

} else if (this.prevToken && this.prevToken[0] === 'combinator') {
node.spaces.after = this.currToken[1];
} else if (this.currToken[0] === 'space' || this.currToken[0] === 'combinator') {
node.spaces.after = this.parseSpace(this.currToken[1]);
} else if (this.currToken[0] === 'combinator') {
node.value = this.currToken[1];
} else if (this.currToken[0] === 'space' && !(this.lossy && this.prevToken[0] === '&')) {
node.value = this.parseSpace(this.currToken[1], ' ');
}

@@ -310,3 +319,3 @@ this.position++;

}
last.value += this.currToken[1];
last.value += this.parseParenthesisToken(this.currToken);
this.position++;

@@ -366,6 +375,6 @@ }

if (this.position === 0 || this.prevToken[0] === ',' || this.prevToken[0] === '(') {
this.spaces = token[1];
this.spaces = this.parseSpace(token[1]);
this.position++;
} else if (this.position === this.tokens.length - 1 || this.nextToken[0] === ',' || this.nextToken[0] === ')') {
this.current.last.spaces.after = token[1];
this.current.last.spaces.after = this.parseSpace(token[1]);
this.position++;

@@ -431,3 +440,3 @@ } else {

if (next && next[0] === 'space') {
word += next[1];
word += this.parseSpace(next[1], ' ');
this.position++;

@@ -573,5 +582,38 @@ }

Parser.prototype.parseNamespace = function parseNamespace(namespace) {
if (this.lossy && typeof namespace === 'string') {
var trimmed = namespace.trim();
if (!trimmed.length) {
return true;
}
return trimmed;
}
return namespace;
};
Parser.prototype.parseSpace = function parseSpace(space, replacement) {
return this.lossy ? replacement || '' : space;
};
Parser.prototype.parseValue = function parseValue(value) {
return this.lossy && value && typeof value === 'string' ? value.trim() : value;
};
Parser.prototype.parseParenthesisToken = function parseParenthesisToken(token) {
if (!this.lossy) {
return token[1];
}
if (token[0] === 'space') {
return this.parseSpace(token[1], ' ');
}
return this.parseValue(token[1]);
};
Parser.prototype.newNode = function newNode(node, namespace) {
if (namespace) {
node.namespace = namespace;
node.namespace = this.parseNamespace(namespace);
}

@@ -578,0 +620,0 @@ if (this.spaces) {

5

dist/processor.js

@@ -24,2 +24,4 @@ 'use strict';

Processor.prototype.process = function process(selectors) {
var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
var input = new _parser2.default({

@@ -29,3 +31,4 @@ css: selectors,

throw new Error(e);
}
},
options: options
});

@@ -32,0 +35,0 @@ this.res = input;

2

package.json
{
"name": "postcss-selector-parser",
"version": "2.1.1",
"version": "2.2.0",
"devDependencies": {

@@ -5,0 +5,0 @@ "ava": "^0.15.0",

8

README.md

@@ -27,2 +27,10 @@ # postcss-selector-parser [![Build Status](https://travis-ci.org/postcss/postcss-selector-parser.svg?branch=master)](https://travis-ci.org/postcss/postcss-selector-parser)

To normalize selector whitespace:
```js
var parser = require('postcss-selector-parser');
var normalized = parser().process('h1, h2, h3', {lossless:false}).result;
// -> h1,h2,h3
```
## API

@@ -29,0 +37,0 @@