@blueprintjs/core
Version:
Core styles & components
54 lines • 2.69 kB
JavaScript
/*
* Copyright 2017 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import classNames from "classnames";
import * as React from "react";
import { IconSvgPaths16, IconSvgPaths20 } from "@blueprintjs/icons";
import { Classes, DISPLAYNAME_PREFIX } from "../../common";
export class Icon extends React.PureComponent {
render() {
const { icon } = this.props;
if (icon == null || typeof icon === "boolean") {
return null;
}
else if (typeof icon !== "string") {
return icon;
}
const { className, color, htmlTitle, iconSize = Icon.SIZE_STANDARD, intent, title = icon, tagName: TagName = "span", ...htmlprops } = this.props;
// choose which pixel grid is most appropriate for given icon size
const pixelGridSize = iconSize >= Icon.SIZE_LARGE ? Icon.SIZE_LARGE : Icon.SIZE_STANDARD;
// render path elements, or nothing if icon name is unknown.
const paths = this.renderSvgPaths(pixelGridSize, icon);
const classes = classNames(Classes.ICON, Classes.iconClass(icon), Classes.intentClass(intent), className);
const viewBox = `0 0 ${pixelGridSize} ${pixelGridSize}`;
return (React.createElement(TagName, Object.assign({}, htmlprops, { className: classes, title: htmlTitle }),
React.createElement("svg", { fill: color, "data-icon": icon, width: iconSize, height: iconSize, viewBox: viewBox },
title && React.createElement("desc", null, title),
paths)));
}
/** Render `<path>` elements for the given icon name. Returns `null` if name is unknown. */
renderSvgPaths(pathsSize, iconName) {
const svgPathsRecord = pathsSize === Icon.SIZE_STANDARD ? IconSvgPaths16 : IconSvgPaths20;
const pathStrings = svgPathsRecord[iconName];
if (pathStrings == null) {
return null;
}
return pathStrings.map((d, i) => React.createElement("path", { key: i, d: d, fillRule: "evenodd" }));
}
}
Icon.displayName = `${DISPLAYNAME_PREFIX}.Icon`;
Icon.SIZE_STANDARD = 16;
Icon.SIZE_LARGE = 20;
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