8 lines
13 KiB
Plaintext
8 lines
13 KiB
Plaintext
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{
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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
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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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