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 王天杨
提交两个项目文件
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import {
AnyClassGroupIds,
AnyConfig,
AnyThemeGroupIds,
ClassGroup,
ClassValidator,
Config,
ThemeGetter,
ThemeObject,
} from './types'
export interface ClassPartObject {
nextPart: Map<string, ClassPartObject>
validators: ClassValidatorObject[]
classGroupId?: AnyClassGroupIds
}
interface ClassValidatorObject {
classGroupId: AnyClassGroupIds
validator: ClassValidator
}
const CLASS_PART_SEPARATOR = '-'
export const createClassGroupUtils = (config: AnyConfig) => {
const classMap = createClassMap(config)
const { conflictingClassGroups, conflictingClassGroupModifiers } = config
const getClassGroupId = (className: string) => {
const classParts = className.split(CLASS_PART_SEPARATOR)
// Classes like `-inset-1` produce an empty string as first classPart. We assume that classes for negative values are used correctly and remove it from classParts.
if (classParts[0] === '' && classParts.length !== 1) {
classParts.shift()
}
return getGroupRecursive(classParts, classMap) || getGroupIdForArbitraryProperty(className)
}
const getConflictingClassGroupIds = (
classGroupId: AnyClassGroupIds,
hasPostfixModifier: boolean,
) => {
const conflicts = conflictingClassGroups[classGroupId] || []
if (hasPostfixModifier && conflictingClassGroupModifiers[classGroupId]) {
return [...conflicts, ...conflictingClassGroupModifiers[classGroupId]!]
}
return conflicts
}
return {
getClassGroupId,
getConflictingClassGroupIds,
}
}
const getGroupRecursive = (
classParts: string[],
classPartObject: ClassPartObject,
): AnyClassGroupIds | undefined => {
if (classParts.length === 0) {
return classPartObject.classGroupId
}
const currentClassPart = classParts[0]!
const nextClassPartObject = classPartObject.nextPart.get(currentClassPart)
const classGroupFromNextClassPart = nextClassPartObject
? getGroupRecursive(classParts.slice(1), nextClassPartObject)
: undefined
if (classGroupFromNextClassPart) {
return classGroupFromNextClassPart
}
if (classPartObject.validators.length === 0) {
return undefined
}
const classRest = classParts.join(CLASS_PART_SEPARATOR)
return classPartObject.validators.find(({ validator }) => validator(classRest))?.classGroupId
}
const arbitraryPropertyRegex = /^\[(.+)\]$/
const getGroupIdForArbitraryProperty = (className: string) => {
if (arbitraryPropertyRegex.test(className)) {
const arbitraryPropertyClassName = arbitraryPropertyRegex.exec(className)![1]
const property = arbitraryPropertyClassName?.substring(
0,
arbitraryPropertyClassName.indexOf(':'),
)
if (property) {
// I use two dots here because one dot is used as prefix for class groups in plugins
return 'arbitrary..' + property
}
}
}
/**
* Exported for testing only
*/
export const createClassMap = (config: Config<AnyClassGroupIds, AnyThemeGroupIds>) => {
const { theme, classGroups } = config
const classMap: ClassPartObject = {
nextPart: new Map<string, ClassPartObject>(),
validators: [],
}
for (const classGroupId in classGroups) {
processClassesRecursively(classGroups[classGroupId]!, classMap, classGroupId, theme)
}
return classMap
}
const processClassesRecursively = (
classGroup: ClassGroup<AnyThemeGroupIds>,
classPartObject: ClassPartObject,
classGroupId: AnyClassGroupIds,
theme: ThemeObject<AnyThemeGroupIds>,
) => {
classGroup.forEach((classDefinition) => {
if (typeof classDefinition === 'string') {
const classPartObjectToEdit =
classDefinition === '' ? classPartObject : getPart(classPartObject, classDefinition)
classPartObjectToEdit.classGroupId = classGroupId
return
}
if (typeof classDefinition === 'function') {
if (isThemeGetter(classDefinition)) {
processClassesRecursively(
classDefinition(theme),
classPartObject,
classGroupId,
theme,
)
return
}
classPartObject.validators.push({
validator: classDefinition,
classGroupId,
})
return
}
Object.entries(classDefinition).forEach(([key, classGroup]) => {
processClassesRecursively(
classGroup,
getPart(classPartObject, key),
classGroupId,
theme,
)
})
})
}
const getPart = (classPartObject: ClassPartObject, path: string) => {
let currentClassPartObject = classPartObject
path.split(CLASS_PART_SEPARATOR).forEach((pathPart) => {
if (!currentClassPartObject.nextPart.has(pathPart)) {
currentClassPartObject.nextPart.set(pathPart, {
nextPart: new Map(),
validators: [],
})
}
currentClassPartObject = currentClassPartObject.nextPart.get(pathPart)!
})
return currentClassPartObject
}
const isThemeGetter = (func: ClassValidator | ThemeGetter): func is ThemeGetter =>
(func as ThemeGetter).isThemeGetter
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