katoikia-app/web-ui/web-react/node_modules/@svgr/babel-plugin-svg-dynamic-title/lib/index.js

65 lines
2.3 KiB
JavaScript

"use strict";
exports.__esModule = true;
exports.default = void 0;
const elements = ['svg', 'Svg'];
const plugin = ({
types: t
}) => ({
visitor: {
JSXElement(path) {
if (!elements.some(element => path.get('openingElement.name').isJSXIdentifier({
name: element
}))) {
return;
}
function createTitle(children = [], attributes = []) {
return t.jsxElement(t.jsxOpeningElement(t.jsxIdentifier('title'), attributes), t.jsxClosingElement(t.jsxIdentifier('title')), children);
}
function getTitleElement(existingTitle) {
const titleExpression = t.identifier('title');
let titleElement = t.conditionalExpression(titleExpression, createTitle([t.jsxExpressionContainer(titleExpression)], existingTitle ? existingTitle.openingElement.attributes : []), t.nullLiteral());
if (existingTitle && existingTitle.children && existingTitle.children.length) {
// if title already exists
// render as follows
const fallbackTitleElement = existingTitle; // {title === undefined ? fallbackTitleElement : titleElement}
const conditionalExpressionForTitle = t.conditionalExpression(t.binaryExpression('===', titleExpression, t.identifier('undefined')), fallbackTitleElement, titleElement);
titleElement = t.jsxExpressionContainer(conditionalExpressionForTitle);
} else {
titleElement = t.jsxExpressionContainer(titleElement);
}
return titleElement;
} // store the title element
let titleElement;
const hasTitle = path.get('children').some(childPath => {
if (!childPath.isJSXElement()) return false;
if (childPath.node === titleElement) return false;
if (childPath.node.openingElement.name.name !== 'title') return false;
titleElement = getTitleElement(childPath.node);
childPath.replaceWith(titleElement);
return true;
}); // create a title element if not already create
titleElement = titleElement || getTitleElement();
if (!hasTitle) {
// path.unshiftContainer is not working well :(
// path.unshiftContainer('children', titleElement)
path.node.children.unshift(titleElement);
path.replaceWith(path.node);
}
}
}
});
var _default = plugin;
exports.default = _default;