const { renderer } = require('posthtml-svg-mode');
|
const { getRoot, getHash } = require('./utils');
|
const defaultFactory = require('./symbol-factory');
|
const FileRequest = require('./request');
|
const clone = require('clone');
|
|
class SpriteSymbol {
|
constructor({ id, tree, request }) {
|
this.id = id;
|
this._tree = tree;
|
this.request = request;
|
}
|
|
/**
|
* @param {Object} options
|
* @param {string} options.id
|
* @param {string} options.content
|
* @param {string|FileRequest} options.request
|
* @param {Function<Promise<PostHTMLProcessingResult>>} [options.factory]
|
* @return {Promise<SpriteSymbol>}
|
*/
|
static create(options) {
|
const { content, factory = defaultFactory } = options;
|
const request = typeof options.request === 'string' ? new FileRequest(options.request) : options.request;
|
const id = typeof options.id === 'undefined' ? getHash(`${request.toString()}_${content}`) : options.id;
|
|
return factory({ content, request, id })
|
.then(({ tree }) => new SpriteSymbol({ id, request, tree }));
|
}
|
|
/**
|
* @return {string}
|
*/
|
get viewBox() {
|
const root = getRoot(this.tree);
|
return root.attrs ? root.attrs.viewBox : null;
|
}
|
|
get tree() {
|
return clone(this._tree);
|
}
|
|
/**
|
* @return {string}
|
*/
|
get useId() {
|
return `${this.id}-usage`;
|
}
|
|
/**
|
* @return {string}
|
*/
|
render() {
|
return renderer(this.tree);
|
}
|
}
|
|
module.exports = SpriteSymbol;
|
