xiaoyu
47 lines
1.8 KiB
JavaScript
47 lines
1.8 KiB
JavaScript
/**
|
|
* @typedef {import('unist').Node} Node
|
|
* @typedef {import('unist').Parent} Parent
|
|
* @typedef {import('unist').Literal} Literal
|
|
* @typedef {Object.<string, unknown>} Props
|
|
* @typedef {Array.<Node>|string} ChildrenOrValue
|
|
*
|
|
* @typedef {(<T extends string, P extends Record<string, unknown>, C extends Node[]>(type: T, props: P, children: C) => {type: T, children: C} & P)} BuildParentWithProps
|
|
* @typedef {(<T extends string, P extends Record<string, unknown>>(type: T, props: P, value: string) => {type: T, value: string} & P)} BuildLiteralWithProps
|
|
* @typedef {(<T extends string, P extends Record<string, unknown>>(type: T, props: P) => {type: T} & P)} BuildVoidWithProps
|
|
* @typedef {(<T extends string, C extends Node[]>(type: T, children: C) => {type: T, children: C})} BuildParent
|
|
* @typedef {(<T extends string>(type: T, value: string) => {type: T, value: string})} BuildLiteral
|
|
* @typedef {(<T extends string>(type: T) => {type: T})} BuildVoid
|
|
*/
|
|
|
|
export var u = /**
|
|
* @type {BuildVoid & BuildVoidWithProps & BuildLiteral & BuildLiteralWithProps & BuildParent & BuildParentWithProps}
|
|
*/ (
|
|
/**
|
|
* @param {string} type Type of node
|
|
* @param {Props|ChildrenOrValue} [props] Additional properties for node (or `children` or `value`)
|
|
* @param {ChildrenOrValue} [value] `children` or `value` of node
|
|
* @returns {Node}
|
|
*/
|
|
function (type, props, value) {
|
|
/** @type {Node} */
|
|
var node = {type: String(type)}
|
|
|
|
if (
|
|
(value === undefined || value === null) &&
|
|
(typeof props === 'string' || Array.isArray(props))
|
|
) {
|
|
value = props
|
|
} else {
|
|
Object.assign(node, props)
|
|
}
|
|
|
|
if (Array.isArray(value)) {
|
|
node.children = value
|
|
} else if (value !== undefined && value !== null) {
|
|
node.value = String(value)
|
|
}
|
|
|
|
return node
|
|
}
|
|
)
|