html-dom-parser/esm/node_modules/domhandler/dist/index.mjs.map

HTML to DOM parser.

{"version":3,"file":"index.mjs","sources":["../../../../node_modules/domhandler/dist/index.js"],"sourcesContent":["import { ElementType } from \"domelementtype\";\nimport { CDATA, Comment, Document, Element, ProcessingInstruction, Text, } from \"./node.js\";\nexport * from \"./node.js\";\n// Default options\nconst defaultOptions = {\n    withStartIndices: false,\n    withEndIndices: false,\n    xmlMode: false,\n};\n/**\n * Event-based handler that builds a DOM tree from parser callbacks.\n */\nexport class DomHandler {\n    /** The elements of the DOM */\n    dom = [];\n    /** The root element for the DOM */\n    root = new Document(this.dom);\n    /** Called once parsing has completed. */\n    callback;\n    /** Settings for the handler. */\n    options;\n    /** Callback whenever a tag is closed. */\n    elementCB;\n    /** Indicated whether parsing has been completed. */\n    done = false;\n    /** Stack of open tags. */\n    tagStack = [this.root];\n    /** A data node that is still being written to. */\n    lastNode = null;\n    /** Reference to the parser instance. Used for location information. */\n    parser = null;\n    /**\n     * @param callback Called once parsing has completed.\n     * @param options Settings for the handler.\n     * @param elementCB Callback whenever a tag is closed.\n     */\n    constructor(callback, options, elementCB) {\n        // Make it possible to skip arguments, for backwards-compatibility\n        if (typeof options === \"function\") {\n            elementCB = options;\n            options = defaultOptions;\n        }\n        if (typeof callback === \"object\") {\n            options = callback;\n            callback = undefined;\n        }\n        this.callback = callback ?? null;\n        this.options = options ?? defaultOptions;\n        this.elementCB = elementCB ?? null;\n    }\n    onparserinit(parser) {\n        this.parser = parser;\n    }\n    // Resets the handler back to starting state\n    onreset() {\n        this.dom = [];\n        this.root = new Document(this.dom);\n        this.done = false;\n        this.tagStack = [this.root];\n        this.lastNode = null;\n        this.parser = null;\n    }\n    // Signals the handler that parsing is done\n    onend() {\n        if (this.done)\n            return;\n        this.done = true;\n        this.parser = null;\n        this.handleCallback(null);\n    }\n    onerror(error) {\n        this.handleCallback(error);\n    }\n    onclosetag() {\n        this.lastNode = null;\n        const element = this.tagStack.pop();\n        if (this.options.withEndIndices && this.parser) {\n            element.endIndex = this.parser.endIndex;\n        }\n        if (this.elementCB)\n            this.elementCB(element);\n    }\n    onopentag(name, attribs) {\n        const type = this.options.xmlMode ? 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text = new Text(\"\");\n        const node = new CDATA([text]);\n        this.addNode(node);\n        text.parent = node;\n        this.lastNode = text;\n    }\n    oncdataend() {\n        this.lastNode = null;\n    }\n    onprocessinginstruction(name, data) {\n        const node = new ProcessingInstruction(name, data);\n        this.addNode(node);\n    }\n    handleCallback(error) {\n        if (typeof this.callback === \"function\") {\n            this.callback(error, this.dom);\n        }\n        else if (error) {\n            throw error;\n        }\n    }\n    addNode(node) {\n        const parent = this.tagStack[this.tagStack.length - 1];\n        const previousSibling = parent.children[parent.children.length - 1];\n        if (this.options.withStartIndices && this.parser) {\n            node.startIndex = this.parser.startIndex;\n        }\n        if (this.options.withEndIndices && this.parser) {\n            node.endIndex = this.parser.endIndex;\n        }\n        parent.children.push(node);\n        if (previousSibling) {\n            node.prev = previousSibling;\n            previousSibling.next = node;\n        }\n        node.parent = parent;\n        this.lastNode = null;\n    }\n}\nexport default 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