8 lines
13 KiB
Plaintext
8 lines
13 KiB
Plaintext
{
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"version": 3,
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"sources": ["../../../src/js/dom-util.js"],
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"sourcesContent": ["/**\n * dom-util.js\n */\n\n/* import */\nimport bidiFactory from 'bidi-js';\n\n/* constants */\nimport {\n DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINS,\n DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_PRECEDING, ELEMENT_NODE,\n REG_SHADOW_MODE, SYNTAX_ERR, TEXT_NODE\n} from './constant.js';\n\n/**\n * is in shadow tree\n * @param {object} node - node\n * @returns {boolean} - result;\n */\nexport const isInShadowTree = (node = {}) => {\n let bool;\n if (node.nodeType === ELEMENT_NODE ||\n node.nodeType === DOCUMENT_FRAGMENT_NODE) {\n let refNode = node;\n while (refNode) {\n const { host, mode, nodeType, parentNode } = refNode;\n if (host && mode && nodeType === DOCUMENT_FRAGMENT_NODE &&\n REG_SHADOW_MODE.test(mode)) {\n bool = true;\n break;\n }\n refNode = parentNode;\n }\n }\n return !!bool;\n};\n\n/**\n * get slotted text content\n * @param {object} node - Element node\n * @returns {?string} - text content\n */\nexport const getSlottedTextContent = (node = {}) => {\n let res;\n if (node.localName === 'slot' && isInShadowTree(node)) {\n const nodes = node.assignedNodes();\n if (nodes.length) {\n for (const item of nodes) {\n res = item.textContent.trim();\n if (res) {\n break;\n }\n }\n } else {\n res = node.textContent.trim();\n }\n }\n return res ?? null;\n};\n\n/**\n * get directionality of node\n * @see https://html.spec.whatwg.org/multipage/dom.html#the-dir-attribute\n * @param {object} node - Element node\n * @returns {?string} - 'ltr' / 'rtl'\n */\nexport const getDirectionality = (node = {}) => {\n let res;\n if (node.nodeType === ELEMENT_NODE) {\n const { dir: nodeDir, localName, parentNode } = node;\n const { getEmbeddingLevels } = bidiFactory();\n const regDir = /^(?:ltr|rtl)$/;\n if (regDir.test(nodeDir)) {\n res = nodeDir;\n } else if (nodeDir === 'auto') {\n let text;\n switch (localName) {\n case 'input': {\n if (!node.type || /^(?:(?:butto|hidde)n|(?:emai|te|ur)l|(?:rese|submi|tex)t|password|search)$/.test(node.type)) {\n text = node.value;\n }\n break;\n }\n case 'slot': {\n text = getSlottedTextContent(node);\n break;\n }\n case 'textarea': {\n text = node.value;\n break;\n }\n default: {\n const items = [].slice.call(node.childNodes);\n for (const item of items) {\n const {\n dir: itemDir, localName: itemLocalName, nodeType: itemNodeType,\n textContent: itemTextContent\n } = item;\n if (itemNodeType === TEXT_NODE) {\n text = itemTextContent.trim();\n } else if (itemNodeType === ELEMENT_NODE) {\n if (!/^(?:bdi|s(?:cript|tyle)|textarea)$/.test(itemLocalName) &&\n (!itemDir || !regDir.test(itemDir))) {\n if (itemLocalName === 'slot') {\n text = getSlottedTextContent(item);\n } else {\n text = itemTextContent.trim();\n }\n }\n }\n if (text) {\n break;\n }\n }\n }\n }\n if (text) {\n const { paragraphs: [{ level }] } = getEmbeddingLevels(text);\n if (level % 2 === 1) {\n res = 'rtl';\n } else {\n res = 'ltr';\n }\n }\n if (!res) {\n if (parentNode) {\n const { nodeType: parentNodeType } = parentNode;\n if (parentNodeType === ELEMENT_NODE) {\n res = getDirectionality(parentNode);\n } else if (parentNodeType === DOCUMENT_NODE ||\n parentNodeType === DOCUMENT_FRAGMENT_NODE) {\n res = 'ltr';\n }\n } else {\n res = 'ltr';\n }\n }\n } else if (localName === 'bdi') {\n const text = node.textContent.trim();\n if (text) {\n const { paragraphs: [{ level }] } = getEmbeddingLevels(text);\n if (level % 2 === 1) {\n res = 'rtl';\n } else {\n res = 'ltr';\n }\n }\n if (!(res || parentNode)) {\n res = 'ltr';\n }\n } else if (localName === 'input' && node.type === 'tel') {\n res = 'ltr';\n } else if (parentNode) {\n if (localName === 'slot') {\n const text = getSlottedTextContent(node);\n if (text) {\n const { paragraphs: [{ level }] } = getEmbeddingLevels(text);\n if (level % 2 === 1) {\n res = 'rtl';\n } else {\n res = 'ltr';\n }\n }\n }\n if (!res) {\n const { nodeType: parentNodeType } = parentNode;\n if (parentNodeType === ELEMENT_NODE) {\n res = getDirectionality(parentNode);\n } else if (parentNodeType === DOCUMENT_NODE ||\n parentNodeType === DOCUMENT_FRAGMENT_NODE) {\n res = 'ltr';\n }\n }\n } else {\n res = 'ltr';\n }\n }\n return res ?? null;\n};\n\n/**\n * is content editable\n * NOTE: not implemented in jsdom https://github.com/jsdom/jsdom/issues/1670\n * @param {object} node - Element node\n * @returns {boolean} - result\n */\nexport const isContentEditable = (node = {}) => {\n let res;\n if (node.nodeType === ELEMENT_NODE) {\n if (typeof node.isContentEditable === 'boolean') {\n res = node.isContentEditable;\n } else if (node.ownerDocument.designMode === 'on') {\n res = true;\n } else if (node.hasAttribute('contenteditable')) {\n const attr = node.getAttribute('contenteditable');\n if (attr === '' || /^(?:plaintext-only|true)$/.test(attr)) {\n res = true;\n } else if (attr === 'inherit') {\n let parent = node.parentNode;\n while (parent) {\n if (isContentEditable(parent)) {\n res = true;\n break;\n }\n parent = parent.parentNode;\n }\n }\n }\n }\n return !!res;\n};\n\n/**\n * is namespace declared\n * @param {string} ns - namespace\n * @param {object} node - Element node\n * @returns {boolean} - result\n */\nexport const isNamespaceDeclared = (ns = '', node = {}) => {\n let res;\n if (ns && typeof ns === 'string' && node.nodeType === ELEMENT_NODE) {\n const attr = `xmlns:${ns}`;\n const root = node.ownerDocument.documentElement;\n let parent = node;\n while (parent) {\n if (typeof parent.hasAttribute === 'function' &&\n parent.hasAttribute(attr)) {\n res = true;\n break;\n } else if (parent === root) {\n break;\n }\n parent = parent.parentNode;\n }\n }\n return !!res;\n};\n\n/**\n * is inclusive - nodeA and nodeB are in inclusive relation\n * @param {object} nodeA - Element node\n * @param {object} nodeB - Element node\n * @returns {boolean} - result\n */\nexport const isInclusive = (nodeA = {}, nodeB = {}) => {\n let res;\n if (nodeA.nodeType === ELEMENT_NODE && nodeB.nodeType === ELEMENT_NODE) {\n const posBit = nodeB.compareDocumentPosition(nodeA);\n res = posBit & DOCUMENT_POSITION_CONTAINS ||\n posBit & DOCUMENT_POSITION_CONTAINED_BY;\n }\n return !!res;\n};\n\n/**\n * is preceding - nodeA precedes and/or contains nodeB\n * @param {object} nodeA - Element node\n * @param {object} nodeB - Element node\n * @returns {boolean} - result\n */\nexport const isPreceding = (nodeA = {}, nodeB = {}) => {\n let res;\n if (nodeA.nodeType === ELEMENT_NODE && nodeB.nodeType === ELEMENT_NODE) {\n const posBit = nodeB.compareDocumentPosition(nodeA);\n res = posBit & DOCUMENT_POSITION_PRECEDING ||\n posBit & DOCUMENT_POSITION_CONTAINS;\n }\n return !!res;\n};\n\n/**\n * selector to node properties - e.g. ns|E -> { prefix: ns, tagName: E }\n * @param {string} selector - type selector\n * @param {object} [node] - Element node\n * @returns {object} - node properties\n */\nexport const selectorToNodeProps = (selector, node) => {\n let prefix;\n let tagName;\n if (selector && typeof selector === 'string') {\n if (selector.indexOf('|') > -1) {\n [prefix, tagName] = selector.split('|');\n } else {\n prefix = '*';\n tagName = selector;\n }\n } else {\n throw new DOMException(`Invalid selector ${selector}`, SYNTAX_ERR);\n }\n return {\n prefix,\n tagName\n };\n};\n"],
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"names": ["dom_util_exports", "__export", "getDirectionality", "getSlottedTextContent", "isContentEditable", "isInShadowTree", "isInclusive", "isNamespaceDeclared", "isPreceding", "selectorToNodeProps", "__toCommonJS", "import_bidi_js", "import_constant", "node", "bool", "refNode", "host", "mode", "nodeType", "parentNode", "res", "nodes", "item", "nodeDir", "localName", "getEmbeddingLevels", "bidiFactory", "regDir", "text", "items", "itemDir", "itemLocalName", "itemNodeType", "itemTextContent", "level", "parentNodeType", "attr", "parent", "ns", "root", "nodeA", "nodeB", "posBit", "selector", "prefix", "tagName"]
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}
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