including-modules
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+60
@@ -0,0 +1,60 @@
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "default", {
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enumerable: true,
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get: function() {
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return _default;
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}
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});
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var _definerule = require("../utils/define-rule");
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var _nodeattributes = /*#__PURE__*/ _interop_require_default(require("../utils/node-attributes"));
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function _interop_require_default(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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var url = 'https://nextjs.org/docs/messages/google-font-display';
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var _default = (0, _definerule.defineRule)({
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meta: {
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docs: {
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description: 'Enforce font-display behavior with Google Fonts.',
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recommended: true,
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url: url
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},
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type: 'problem',
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schema: []
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},
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create: function create(context) {
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return {
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JSXOpeningElement: function JSXOpeningElement(node) {
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var message;
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if (node.name.name !== 'link') {
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return;
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}
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var attributes = new _nodeattributes.default(node);
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if (!attributes.has('href') || !attributes.hasValue('href')) {
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return;
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}
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var hrefValue = attributes.value('href');
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var isGoogleFont = typeof hrefValue === 'string' && hrefValue.startsWith('https://fonts.googleapis.com/css');
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if (isGoogleFont) {
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var params = new URLSearchParams(hrefValue.split('?', 2)[1]);
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var displayValue = params.get('display');
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if (!params.has('display')) {
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message = 'A font-display parameter is missing (adding `&display=optional` is recommended).';
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} else if (displayValue === 'auto' || displayValue === 'block' || displayValue === 'fallback') {
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message = "".concat(displayValue[0].toUpperCase() + displayValue.slice(1), " is not recommended.");
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}
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}
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if (message) {
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context.report({
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node: node,
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message: "".concat(message, " See: ").concat(url)
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});
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}
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}
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};
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}
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});
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