57 lines
1.3 KiB
JavaScript
57 lines
1.3 KiB
JavaScript
import Nodule from '../Nodule.js'
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class TransformNodule extends Nodule {
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constructor (props) {
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super(props)
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this._assignProps(props)
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}
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export = () => {
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const rows = this.tables.map(t => t.export()).flat()
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const transformedRows = rows.map(r => {
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let mapShape = {}
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for (const [ key, value ] of Object.entries(this.structure)) {
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mapShape[value] = r[key]
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}
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return mapShape
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})
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return transformedRows
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}
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setStructure = struct => {
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const structureValidation = this._validateStructureProps(struct)
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if (structureValidation.status === 'ERR') throw structureValidation
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else this.structure = struct
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}
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_assignProps = props => {
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if (props.structure) this.setStructure(props.structure)
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}
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_validateStructureProps = struct => {
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const err = {
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status: 'ERR',
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error: {
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label: 'Ptructure Parameters are not valid',
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messages: []
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}
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}
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if (!struct) {
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err.error.messages.push('No structure provided')
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return err
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}
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for (let key in struct) {
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if (typeof struct[key] !== 'string')
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err.error.messages.push(`Key [${struct}] is not a String`)
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}
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if (err.error.messages.length > 0) return err
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else return { status: 'OK' }
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}
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}
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export default TransformNodule
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