Save current BZZZ config-ui state before CHORUS branding update
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install/config-ui/node_modules/eslint-plugin-jsx-a11y/lib/rules/media-has-caption.js
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install/config-ui/node_modules/eslint-plugin-jsx-a11y/lib/rules/media-has-caption.js
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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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exports["default"] = void 0;
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var _jsxAstUtils = require("jsx-ast-utils");
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var _arrayPrototype = _interopRequireDefault(require("array.prototype.flatmap"));
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var _schemas = require("../util/schemas");
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var _getElementType = _interopRequireDefault(require("../util/getElementType"));
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function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
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/**
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* @fileoverview <audio> and <video> elements must have a <track> for captions.
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* @author Ethan Cohen
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*
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*/
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// ----------------------------------------------------------------------------
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// Rule Definition
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// ----------------------------------------------------------------------------
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var errorMessage = 'Media elements such as <audio> and <video> must have a <track> for captions.';
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var MEDIA_TYPES = ['audio', 'video'];
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var schema = (0, _schemas.generateObjSchema)({
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audio: _schemas.arraySchema,
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video: _schemas.arraySchema,
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track: _schemas.arraySchema
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});
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var isMediaType = function isMediaType(context, type) {
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var options = context.options[0] || {};
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return MEDIA_TYPES.concat((0, _arrayPrototype["default"])(MEDIA_TYPES, function (mediaType) {
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return options[mediaType];
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})).some(function (typeToCheck) {
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return typeToCheck === type;
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});
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};
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var isTrackType = function isTrackType(context, type) {
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var options = context.options[0] || {};
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return ['track'].concat(options.track || []).some(function (typeToCheck) {
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return typeToCheck === type;
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});
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};
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var _default = exports["default"] = {
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meta: {
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docs: {
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url: 'https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/tree/HEAD/docs/rules/media-has-caption.md',
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description: 'Enforces that `<audio>` and `<video>` elements must have a `<track>` for captions.'
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},
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schema: [schema]
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},
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create: function create(context) {
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var elementType = (0, _getElementType["default"])(context);
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return {
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JSXElement: function JSXElement(node) {
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var element = node.openingElement;
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var type = elementType(element);
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if (!isMediaType(context, type)) {
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return;
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}
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var mutedProp = (0, _jsxAstUtils.getProp)(element.attributes, 'muted');
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var mutedPropVal = (0, _jsxAstUtils.getLiteralPropValue)(mutedProp);
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if (mutedPropVal === true) {
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return;
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}
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// $FlowFixMe https://github.com/facebook/flow/issues/1414
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var trackChildren = node.children.filter(function (child) {
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if (child.type !== 'JSXElement') {
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return false;
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}
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// $FlowFixMe https://github.com/facebook/flow/issues/1414
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return isTrackType(context, elementType(child.openingElement));
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});
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if (trackChildren.length === 0) {
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context.report({
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node: element,
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message: errorMessage
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});
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return;
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}
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var hasCaption = trackChildren.some(function (track) {
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var kindProp = (0, _jsxAstUtils.getProp)(track.openingElement.attributes, 'kind');
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var kindPropValue = (0, _jsxAstUtils.getLiteralPropValue)(kindProp) || '';
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return kindPropValue.toLowerCase() === 'captions';
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});
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if (!hasCaption) {
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context.report({
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node: element,
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message: errorMessage
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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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module.exports = exports.default;
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