2023-11-06 22:09:04 +00:00
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import { escapeToBuffer, stringBufferToString } from '../../utils/html.ts'
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2022-08-03 02:24:51 +00:00
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import type { StringBuffer, HtmlEscaped, HtmlEscapedString } from '../../utils/html.ts'
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2022-07-02 06:09:45 +00:00
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2023-11-09 05:37:47 +00:00
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export const raw = (value: unknown, promises?: Promise<string>[]): HtmlEscapedString => {
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2022-07-02 06:09:45 +00:00
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const escapedString = new String(value) as HtmlEscapedString
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escapedString.isEscaped = true
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2023-11-09 05:37:47 +00:00
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escapedString.promises = promises
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2022-07-02 06:09:45 +00:00
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return escapedString
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}
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2023-11-06 22:09:04 +00:00
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export const html = (
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strings: TemplateStringsArray,
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...values: unknown[]
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): HtmlEscapedString | Promise<HtmlEscapedString> => {
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2022-08-03 02:24:51 +00:00
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const buffer: StringBuffer = ['']
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2022-07-02 06:09:45 +00:00
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for (let i = 0, len = strings.length - 1; i < len; i++) {
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2022-08-03 02:24:51 +00:00
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buffer[0] += strings[i]
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2022-07-02 06:09:45 +00:00
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2022-12-10 07:37:14 +00:00
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const children =
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values[i] instanceof Array ? (values[i] as Array<unknown>).flat(Infinity) : [values[i]]
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2022-07-02 06:09:45 +00:00
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for (let i = 0, len = children.length; i < len; i++) {
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2022-12-10 07:37:14 +00:00
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const child = children[i] as any
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2022-08-03 02:24:51 +00:00
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if (typeof child === 'string') {
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escapeToBuffer(child, buffer)
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} else if (typeof child === 'boolean' || child === null || child === undefined) {
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2022-07-02 06:09:45 +00:00
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continue
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2022-08-03 02:24:51 +00:00
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} else if (
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(typeof child === 'object' && (child as HtmlEscaped).isEscaped) ||
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typeof child === 'number'
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) {
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2023-11-06 22:09:04 +00:00
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const tmp = child.toString()
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if (tmp instanceof Promise) {
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buffer.unshift('', tmp)
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} else {
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buffer[0] += tmp
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}
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2022-07-02 06:09:45 +00:00
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} else {
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2022-08-03 02:24:51 +00:00
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escapeToBuffer(child.toString(), buffer)
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2022-07-02 06:09:45 +00:00
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}
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}
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}
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2022-08-03 02:24:51 +00:00
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buffer[0] += strings[strings.length - 1]
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2022-07-02 06:09:45 +00:00
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2023-11-08 20:03:54 +00:00
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return buffer.length === 1 ? raw(buffer[0]) : stringBufferToString(buffer)
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2022-07-02 06:09:45 +00:00
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}
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