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| 'use strict';
import * as _ from 'lodash';
import * as p from 'path';
import u from 'url';
import configs from '../configs/default.js';
import { isTruthy } from '../helpers/utils.js';
import { SPRITE_LAYOUT } from '../helpers/utils.js';
const EXT = 'png';
class CYSprite {
constructor(rule, path, options) {
options = CYSprite.mergeOptions(rule, options);
this.cacheBuster = new Date().getTime();
this.originalSelector = rule.selector;
this.selector = rule.selector.replace(configs.NAMESPACE, '');
this.name = this.selector.substring(1);
this.filename = `${this.name}.${EXT}`;
this._inputDir = path;
this._outputDir = options.dest;
this.output = p.resolve(this._outputDir, this.filename);
this.url = CYSprite.makeUrl(
this.filename, this._outputDir, options.httpDest,
options.relativeTo, options.cacheBuster, this.cacheBuster
);
this._size = {
width: 0,
height: 0
};
this._cssBackgroundSize = '';
this._images = {
pathList: [],
imageList: []
};
this.rule = rule;
this._options = options;
}
get size() {
return this._size;
}
set size(size) {
this._size = size;
let {width, height} = size;
width = this.isRetina ? width / this.ratio : width;
height = this.isRetina ? height / this.ratio : height;
this.cssBackgroundSize = `${width + 'px'} ${height + 'px'}`;
}
get cssBackgroundSize() {
return this._cssBackgroundSize;
}
set cssBackgroundSize(size) {
this._cssBackgroundSize = size;
}
get includeSize() {
return this._options.includeSize;
}
get decorate() {
return this._options.decorate;
}
get debug() {
return this._options.debug;
}
get isRetina() {
return this._options.retina;
}
get ratio() {
return this._options.ratio;
}
get padding() {
return this._options.padding;
}
get layout() {
return this._options.layout;
}
get imageList() {
return this._images.imageList;
}
get imagePaths() {
return this._images.pathList;
}
get length() {
return this._images.pathList.length;
}
addImage(image) {
this._images.pathList.push(image.path);
image.sprite = this;
this._images.imageList.push(image);
}
getImage(absPath) {
for (var i = 0, l = this._images.imageList.length; i < l; i++) {
var image = this._images.imageList[i];
if (image.path === absPath)
return image;
}
return false;
}
getTime() {
return new Date(this.cacheBuster).toLocaleString();
}
static mergeOptions(rule, options) {
let _options = _.merge({}, options, {
layout: SPRITE_LAYOUT.default,
debug: options.verbose
});
rule.walkDecls(configs.NAMESPACE_REGEX, function(decl) {
let prop = (decl.prop || '')
.replace(/(')|(")/gi, '')
.replace(configs.NAMESPACE, '')
.replace(/^-/, '')
.toLowerCase()
;
let value = (decl.value || '')
.replace(/(')|(")/gi, '')
.toLowerCase()
;
switch (prop) {
case 'debug':
_options.debug = isTruthy(value);
break;
case 'padding':
let padding = parseInt(value, 10);
isNaN(padding) || (_options.padding = padding);
break;
case 'retina':
_options.retina = isTruthy(value);
break;
case 'cacheBuster':
case 'cache':
case 'cache-buster':
_options.cacheBuster = isTruthy(value);
break;
case 'ratio':
_options.ratio = isNaN(value) ? _options.ratio : Number(value);
break;
case 'layout':
_options.layout =
SPRITE_LAYOUT.hasOwnProperty(value) ? value : SPRITE_LAYOUT.default;
break;
case 'decorate':
_options.decorate = isTruthy(value);
break;
case 'include-size':
case 'includesize':
_options.includeSize = isTruthy(value);
break;
}
decl.remove();
});
return _options;
}
static makeUrl(filename, outputDir, httpDest, relativeTo, cacheBuster, ts) {
let url;
Iif (httpDest) {
(httpDest[httpDest.length - 1] === '/') || (httpDest += '/');
url = u.resolve(httpDest, filename);
} else Eif (relativeTo) {
url = p.join(p.relative(relativeTo, outputDir), filename);
} else {
url = p.join(outputDir, filename);
}
Iif(cacheBuster)
url += `?${ts}`;
return url;
}
static Factory(rule, path, options) {
return new CYSprite(rule, path, options);
}
}
export default CYSprite.Factory;
|