@blueprintjs/core
Version:
Core styles & components
70 lines • 3.27 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 { iconNameToPathsRecordKey, IconSvgPaths16, IconSvgPaths20 } from "@blueprintjs/icons";
import { AbstractPureComponent2, Classes, DISPLAYNAME_PREFIX } from "../../common";
import { uniqueId } from "../../common/utils";
export var IconSize;
(function (IconSize) {
IconSize[IconSize["STANDARD"] = 16] = "STANDARD";
IconSize[IconSize["LARGE"] = 20] = "LARGE";
})(IconSize || (IconSize = {}));
/**
* Icon component.
*
* @see https://blueprintjs.com/docs/#core/components/icon
*/
export class Icon extends AbstractPureComponent2 {
static displayName = `${DISPLAYNAME_PREFIX}.Icon`;
render() {
const { icon } = this.props;
if (icon == null || typeof icon === "boolean") {
return null;
}
else if (typeof icon !== "string") {
return icon;
}
const { className, color, htmlTitle,
// eslint-disable-next-line deprecation/deprecation
iconSize, intent, size = iconSize ?? IconSize.STANDARD, title, tagName = "span", ...htmlprops } = this.props;
// choose which pixel grid is most appropriate for given icon size
const pixelGridSize = size >= IconSize.LARGE ? IconSize.LARGE : IconSize.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}`;
const titleId = uniqueId("iconTitle");
return React.createElement(tagName, {
...htmlprops,
"aria-hidden": title ? undefined : true,
className: classes,
title: htmlTitle,
}, React.createElement("svg", { fill: color, "data-icon": icon, width: size, height: size, viewBox: viewBox, "aria-labelledby": title ? titleId : undefined, role: "img" },
title && React.createElement("title", { id: titleId }, title),
paths));
}
/** Render `<path>` elements for the given icon name. Returns `null` if name is unknown. */
renderSvgPaths(pathsSize, iconName) {
const svgPathsRecord = pathsSize === IconSize.STANDARD ? IconSvgPaths16 : IconSvgPaths20;
const paths = svgPathsRecord[iconNameToPathsRecordKey(iconName)];
if (paths == null) {
return null;
}
return paths.map((path, i) => React.createElement("path", { key: i, d: path, fillRule: "evenodd" }));
}
}
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