31 lines
1.0 KiB
Plaintext
31 lines
1.0 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = getImplicitRoleForImg;
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var _jsxAstUtils = require("jsx-ast-utils");
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/**
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* Returns the implicit role for an img tag.
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*/
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function getImplicitRoleForImg(attributes) {
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var _getLiteralPropValue;
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var alt = (0, _jsxAstUtils.getProp)(attributes, 'alt');
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if (alt && (0, _jsxAstUtils.getLiteralPropValue)(alt) === '') {
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return '';
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}
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/**
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* If the src attribute can be determined to be an svg, allow the role to be set to 'img'
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* so that VoiceOver on Safari can be better supported.
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*
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* @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#identifying_svg_as_an_image
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* @see https://bugs.webkit.org/show_bug.cgi?id=216364
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*/
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var src = (0, _jsxAstUtils.getProp)(attributes, 'src');
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if (src && (_getLiteralPropValue = (0, _jsxAstUtils.getLiteralPropValue)(src)) !== null && _getLiteralPropValue !== void 0 && _getLiteralPropValue.includes('.svg')) {
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return '';
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}
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return 'img';
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}
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module.exports = exports.default; |