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2020-11-01 22:46:04 +00:00

282 lines
7.1 KiB
JavaScript

/**
* @fileoverview enforce ordering of attributes
* @author Erin Depew
*/
'use strict'
const utils = require('../utils')
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
const ATTRS = {
DEFINITION: 'DEFINITION',
LIST_RENDERING: 'LIST_RENDERING',
CONDITIONALS: 'CONDITIONALS',
RENDER_MODIFIERS: 'RENDER_MODIFIERS',
GLOBAL: 'GLOBAL',
UNIQUE: 'UNIQUE',
TWO_WAY_BINDING: 'TWO_WAY_BINDING',
OTHER_DIRECTIVES: 'OTHER_DIRECTIVES',
OTHER_ATTR: 'OTHER_ATTR',
EVENTS: 'EVENTS',
CONTENT: 'CONTENT'
}
/**
* @param {VAttribute | VDirective} attribute
* @param {SourceCode} sourceCode
*/
function getAttributeName(attribute, sourceCode) {
if (attribute.directive) {
if (attribute.key.name.name === 'bind') {
return attribute.key.argument
? sourceCode.getText(attribute.key.argument)
: ''
} else {
return getDirectiveKeyName(attribute.key, sourceCode)
}
} else {
return attribute.key.name
}
}
/**
* @param {VDirectiveKey} directiveKey
* @param {SourceCode} sourceCode
*/
function getDirectiveKeyName(directiveKey, sourceCode) {
let text = `v-${directiveKey.name.name}`
if (directiveKey.argument) {
text += `:${sourceCode.getText(directiveKey.argument)}`
}
for (const modifier of directiveKey.modifiers) {
text += `.${modifier.name}`
}
return text
}
/**
* @param {VAttribute | VDirective} attribute
* @param {SourceCode} sourceCode
*/
function getAttributeType(attribute, sourceCode) {
let propName
if (attribute.directive) {
if (attribute.key.name.name !== 'bind') {
const name = attribute.key.name.name
if (name === 'for') {
return ATTRS.LIST_RENDERING
} else if (
name === 'if' ||
name === 'else-if' ||
name === 'else' ||
name === 'show' ||
name === 'cloak'
) {
return ATTRS.CONDITIONALS
} else if (name === 'pre' || name === 'once') {
return ATTRS.RENDER_MODIFIERS
} else if (name === 'model') {
return ATTRS.TWO_WAY_BINDING
} else if (name === 'on') {
return ATTRS.EVENTS
} else if (name === 'html' || name === 'text') {
return ATTRS.CONTENT
} else if (name === 'slot') {
return ATTRS.UNIQUE
} else if (name === 'is') {
return ATTRS.DEFINITION
} else {
return ATTRS.OTHER_DIRECTIVES
}
}
propName = attribute.key.argument
? sourceCode.getText(attribute.key.argument)
: ''
} else {
propName = attribute.key.name
}
if (propName === 'is') {
return ATTRS.DEFINITION
} else if (propName === 'id') {
return ATTRS.GLOBAL
} else if (
propName === 'ref' ||
propName === 'key' ||
propName === 'slot' ||
propName === 'slot-scope'
) {
return ATTRS.UNIQUE
} else {
return ATTRS.OTHER_ATTR
}
}
/**
* @param {VAttribute | VDirective} attribute
* @param { { [key: string]: number } } attributePosition
* @param {SourceCode} sourceCode
*/
function getPosition(attribute, attributePosition, sourceCode) {
const attributeType = getAttributeType(attribute, sourceCode)
return attributePosition.hasOwnProperty(attributeType)
? attributePosition[attributeType]
: -1
}
/**
* @param {VAttribute | VDirective} prevNode
* @param {VAttribute | VDirective} currNode
* @param {SourceCode} sourceCode
*/
function isAlphabetical(prevNode, currNode, sourceCode) {
const isSameType =
getAttributeType(prevNode, sourceCode) ===
getAttributeType(currNode, sourceCode)
if (isSameType) {
const prevName = getAttributeName(prevNode, sourceCode)
const currName = getAttributeName(currNode, sourceCode)
if (prevName === currName) {
const prevIsBind = Boolean(
prevNode.directive && prevNode.key.name.name === 'bind'
)
const currIsBind = Boolean(
currNode.directive && currNode.key.name.name === 'bind'
)
return prevIsBind <= currIsBind
}
return prevName < currName
}
return true
}
/**
* @param {RuleContext} context - The rule context.
* @returns {RuleListener} AST event handlers.
*/
function create(context) {
const sourceCode = context.getSourceCode()
let attributeOrder = [
ATTRS.DEFINITION,
ATTRS.LIST_RENDERING,
ATTRS.CONDITIONALS,
ATTRS.RENDER_MODIFIERS,
ATTRS.GLOBAL,
ATTRS.UNIQUE,
ATTRS.TWO_WAY_BINDING,
ATTRS.OTHER_DIRECTIVES,
ATTRS.OTHER_ATTR,
ATTRS.EVENTS,
ATTRS.CONTENT
]
if (context.options[0] && context.options[0].order) {
attributeOrder = context.options[0].order
}
const alphabetical = Boolean(
context.options[0] && context.options[0].alphabetical
)
/** @type { { [key: string]: number } } */
const attributePosition = {}
attributeOrder.forEach((item, i) => {
if (Array.isArray(item)) {
item.forEach((attr) => {
attributePosition[attr] = i
})
} else attributePosition[item] = i
})
/**
* @typedef {object} State
* @property {number} currentPosition
* @property {VAttribute | VDirective} previousNode
*/
/**
* @type {State | null}
*/
let state
/**
* @param {VAttribute | VDirective} node
* @param {VAttribute | VDirective} previousNode
*/
function reportIssue(node, previousNode) {
const currentNode = sourceCode.getText(node.key)
const prevNode = sourceCode.getText(previousNode.key)
context.report({
node: node.key,
loc: node.loc,
message: `Attribute "${currentNode}" should go before "${prevNode}".`,
data: {
currentNode
},
fix(fixer) {
const attributes = node.parent.attributes
const shiftAttrs = attributes.slice(
attributes.indexOf(previousNode),
attributes.indexOf(node) + 1
)
return shiftAttrs.map((attr, i) => {
const text =
attr === previousNode
? sourceCode.getText(node)
: sourceCode.getText(shiftAttrs[i - 1])
return fixer.replaceText(attr, text)
})
}
})
}
return utils.defineTemplateBodyVisitor(context, {
VStartTag() {
state = null
},
VAttribute(node) {
let inAlphaOrder = true
if (state && alphabetical) {
inAlphaOrder = isAlphabetical(state.previousNode, node, sourceCode)
}
if (
!state ||
(state.currentPosition <=
getPosition(node, attributePosition, sourceCode) &&
inAlphaOrder)
) {
state = {
currentPosition: getPosition(node, attributePosition, sourceCode),
previousNode: node
}
} else {
reportIssue(node, state.previousNode)
}
}
})
}
module.exports = {
meta: {
type: 'suggestion',
docs: {
description: 'enforce order of attributes',
categories: ['vue3-recommended', 'recommended'],
url: 'https://eslint.vuejs.org/rules/attributes-order.html'
},
fixable: 'code',
schema: {
type: 'array',
properties: {
order: {
items: {
type: 'string'
},
maxItems: 10,
minItems: 10
}
}
}
},
create
}