StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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115 lines
3.3 KiB
115 lines
3.3 KiB
/**
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* @fileoverview enforce valid `.sync` modifier on `v-bind` directives
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* @author Yosuke Ota
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*/
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'use strict'
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// ------------------------------------------------------------------------------
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// Requirements
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// ------------------------------------------------------------------------------
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const utils = require('../utils')
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// ------------------------------------------------------------------------------
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// Helpers
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// ------------------------------------------------------------------------------
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/**
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* Check whether the given node is valid or not.
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* @param {ASTNode} node The element node to check.
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* @returns {boolean} `true` if the node is valid.
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*/
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function isValidElement (node) {
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if (
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(!utils.isHtmlElementNode(node) && !utils.isSvgElementNode(node)) ||
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utils.isHtmlWellKnownElementName(node.rawName) ||
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utils.isSvgWellKnownElementName(node.rawName)
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) {
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// non Vue-component
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return false
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}
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return true
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}
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/**
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* Check whether the given node can be LHS.
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* @param {ASTNode} node The node to check.
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* @returns {boolean} `true` if the node can be LHS.
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*/
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function isLhs (node) {
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return Boolean(node) && (
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node.type === 'Identifier' ||
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node.type === 'MemberExpression'
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)
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}
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// ------------------------------------------------------------------------------
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// Rule Definition
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// ------------------------------------------------------------------------------
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module.exports = {
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meta: {
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type: 'problem',
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docs: {
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description: 'enforce valid `.sync` modifier on `v-bind` directives',
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category: undefined,
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// TODO Change with major version.
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// category: 'essential',
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url: 'https://eslint.vuejs.org/rules/valid-v-bind-sync.html'
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},
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fixable: null,
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schema: [],
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messages: {
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unexpectedInvalidElement: "'.sync' modifiers aren't supported on <{{name}}> non Vue-components.",
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unexpectedNonLhsExpression: "'.sync' modifiers require the attribute value which is valid as LHS.",
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unexpectedUpdateIterationVariable: "'.sync' modifiers cannot update the iteration variable '{{varName}}' itself."
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}
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},
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create (context) {
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return utils.defineTemplateBodyVisitor(context, {
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"VAttribute[directive=true][key.name.name='bind']" (node) {
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if (!node.key.modifiers.map(mod => mod.name).includes('sync')) {
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return
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}
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const element = node.parent.parent
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const name = element.name
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if (!isValidElement(element)) {
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context.report({
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node,
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loc: node.loc,
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messageId: 'unexpectedInvalidElement',
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data: { name }
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})
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}
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if (node.value) {
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if (!isLhs(node.value.expression)) {
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context.report({
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node,
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loc: node.loc,
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messageId: 'unexpectedNonLhsExpression'
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})
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}
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for (const reference of node.value.references) {
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const id = reference.id
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if (id.parent.type !== 'VExpressionContainer') {
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continue
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}
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const variable = reference.variable
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if (variable) {
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context.report({
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node,
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loc: node.loc,
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messageId: 'unexpectedUpdateIterationVariable',
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data: { varName: id.name }
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})
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}
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}
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}
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}
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})
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}
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}
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