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{ | ||
"version": 3, | ||
"sources": ["../../lib/dataset/index.ts"], | ||
"sourcesContent": ["import { VnodeInterface, VnodeWithDom, createDomElement, directive, patch, updateAttributes } from \"valyrian.js\";\n\ninterface DataSetInterface<T> {\n data: T[];\n // eslint-disable-next-line no-unused-vars\n reset: (data: T[]) => void;\n // eslint-disable-next-line no-unused-vars\n add: (...data: T[]) => void;\n // eslint-disable-next-line no-unused-vars\n update: (index: number, data: T) => void;\n // eslint-disable-next-line no-unused-vars\n delete: (index: number) => void;\n}\ninterface DataSetHandler<T> {\n // eslint-disable-next-line no-unused-vars\n (data: T, index: number): VnodeInterface;\n}\n\nfunction deepFreeze(obj: any) {\n if (typeof obj === \"object\" && obj !== null && !Object.isFrozen(obj)) {\n if (Array.isArray(obj)) {\n for (let i = 0, l = obj.length; i < l; i++) {\n deepFreeze(obj[i]);\n }\n } else {\n let props = Reflect.ownKeys(obj);\n for (let i = 0, l = props.length; i < l; i++) {\n deepFreeze(obj[props[i]]);\n }\n }\n Object.freeze(obj);\n }\n\n return obj;\n}\n\nexport class DataSet<T> implements DataSetInterface<T> {\n #vnode: VnodeWithDom;\n // eslint-disable-next-line no-unused-vars\n #handler: DataSetHandler<T>;\n #data: T[] = [];\n #isFrozen = false;\n #dataProxy: T[] | null = null;\n\n get data() {\n if (this.#dataProxy === null) {\n throw new Error(\"DataSet is not initialized\");\n }\n\n return this.#dataProxy;\n }\n\n set data(data: T[]) {\n throw new Error(\"You need to use the reset method to set the data\");\n }\n\n #setData(data: T[]) {\n if (this.#isFrozen) {\n this.#data = deepFreeze([...data]);\n } else {\n this.#data = data;\n }\n this.#dataProxy = new Proxy(this.#data as T[], {\n set: () => {\n throw new Error(\"You need to use the add, update or delete methods to change the data\");\n },\n get(target, prop) {\n return target[prop];\n },\n deleteProperty: () => {\n throw new Error(\"You need to use the add, update or delete methods to change the data\");\n }\n }) as T[];\n }\n\n constructor(data: T[] = [], shouldFreeze = true) {\n this.#isFrozen = shouldFreeze;\n this.#setData(data);\n }\n\n setVnodeAndHandler(vnode: VnodeWithDom, handler: DataSetHandler<T>) {\n this.#vnode = vnode;\n this.#handler = handler;\n this.reset(this.#data);\n }\n\n reset(data: T[]) {\n this.#setData(data);\n let vnode = this.#vnode;\n let handler = this.#handler;\n\n if (data.length === 0) {\n vnode.children = [];\n vnode.dom.textContent = \"\";\n return;\n }\n\n let childrenLength = vnode.children.length;\n for (let i = 0, l = data.length; i < l; i++) {\n let child = handler(this.data[i], i);\n\n if (i < childrenLength) {\n let oldChild = vnode.children[i];\n child.isSVG = oldChild.isSVG;\n child.dom = oldChild.dom;\n updateAttributes(child as VnodeWithDom, oldChild);\n vnode.children[i] = child;\n patch(child as VnodeWithDom, oldChild);\n continue;\n }\n\n child.isSVG = vnode.isSVG || child.tag === \"svg\";\n child.dom = createDomElement(child.tag as string, child.isSVG);\n vnode.dom.appendChild(child.dom);\n updateAttributes(child as VnodeWithDom);\n vnode.children.push(child);\n patch(child as VnodeWithDom);\n }\n\n for (let i = data.length; i < childrenLength; i++) {\n vnode.dom.removeChild(vnode.children[i].dom);\n }\n vnode.children.length = data.length;\n }\n\n add(...data: T[]) {\n if (this.#data) {\n let oldLength = this.#data.length;\n if (this.#isFrozen) {\n this.#setData([...this.#data, ...data]);\n } else {\n this.#data.push(...data);\n }\n\n let vnode = this.#vnode;\n let handler = this.#handler;\n\n for (let i = 0, ii = oldLength, l = data.length; i < l; i++, ii++) {\n let child = handler(this.#data[i], ii);\n child.isSVG = vnode.isSVG || child.tag === \"svg\";\n child.dom = createDomElement(child.tag as string, child.isSVG);\n vnode.dom.appendChild(child.dom);\n updateAttributes(child as VnodeWithDom);\n vnode.children.push(child);\n patch(child as VnodeWithDom);\n }\n }\n }\n\n delete(index) {\n if (this.#data) {\n let child = this.#vnode.children[index];\n if (this.#isFrozen) {\n this.#setData(this.data.filter((_, i) => i !== index));\n } else {\n this.#data.splice(index, 1);\n }\n\n this.#vnode.dom.removeChild(child.dom);\n this.#vnode.children.splice(index, 1);\n }\n }\n\n update(index, item: Partial<T>) {\n if (this.#data) {\n let child = this.#vnode.children[index];\n if (this.#isFrozen) {\n this.#setData(this.#data.map((d, i) => (i === index ? { ...d, ...item } : d)));\n } else {\n this.#data[index] = { ...this.#data[index], ...item };\n }\n let newChild = this.#handler(this.#data[index], index);\n newChild.isSVG = this.#vnode.isSVG || newChild.tag === \"svg\";\n newChild.dom = child.dom;\n this.#vnode.children[index] = newChild;\n updateAttributes(newChild as VnodeWithDom, child);\n patch(newChild as VnodeWithDom, child);\n }\n }\n}\n\ndirective(\"with-dataset\", (dataSet, vnode) => {\n dataSet.setVnodeAndHandler(vnode as VnodeWithDom, vnode.children[0]);\n return false;\n});\n"], | ||
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"names": [] | ||
} |
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