57 lines
1.8 KiB
TypeScript
57 lines
1.8 KiB
TypeScript
/**
|
|
* @module
|
|
* html Helper for Hono.
|
|
*/
|
|
|
|
import { escapeToBuffer, raw, resolveCallbackSync, stringBufferToString } from 'hono/utils/html'
|
|
import type { HtmlEscaped, HtmlEscapedString, StringBufferWithCallbacks } from 'hono/utils/html'
|
|
|
|
|
|
export const html = (
|
|
strings: TemplateStringsArray,
|
|
...values: unknown[]
|
|
): HtmlEscapedString | Promise<HtmlEscapedString> => {
|
|
const buffer: StringBufferWithCallbacks = [''] as StringBufferWithCallbacks
|
|
|
|
for (let i = 0, len = strings.length - 1; i < len; i++) {
|
|
buffer[0] += strings[i]
|
|
|
|
const children = Array.isArray(values[i])
|
|
? (values[i] as Array<unknown>).flat(Infinity)
|
|
: [values[i]]
|
|
for (let i = 0, len = children.length; i < len; i++) {
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
const child = children[i] as any
|
|
if (typeof child === 'string') {
|
|
escapeToBuffer(child, buffer)
|
|
} else if (typeof child === 'number') {
|
|
;(buffer[0] as string) += child
|
|
} else if (typeof child === 'boolean' || child === null || child === undefined) {
|
|
continue
|
|
} else if (typeof child === 'object' && (child as HtmlEscaped).isEscaped) {
|
|
if ((child as HtmlEscapedString).callbacks) {
|
|
buffer.unshift('', child)
|
|
} else {
|
|
const tmp = child.toString()
|
|
if (tmp instanceof Promise) {
|
|
buffer.unshift('', tmp)
|
|
} else {
|
|
buffer[0] += tmp
|
|
}
|
|
}
|
|
} else if (child instanceof Promise) {
|
|
buffer.unshift('', child)
|
|
} else {
|
|
escapeToBuffer(child.toString(), buffer)
|
|
}
|
|
}
|
|
}
|
|
buffer[0] += strings.at(-1) as string
|
|
|
|
return buffer.length === 1
|
|
? 'callbacks' in buffer
|
|
? raw(resolveCallbackSync(raw(buffer[0], buffer.callbacks)))
|
|
: raw(buffer[0])
|
|
: stringBufferToString(buffer, buffer.callbacks)
|
|
}
|