33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
|
import { parseRangeString } from '@slidev/parser/core'
|
||
|
|
|
||
|
|
export function makeId(length = 5) {
|
||
|
|
const result = []
|
||
|
|
const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
|
||
|
|
const charactersLength = characters.length
|
||
|
|
for (let i = 0; i < length; i++)
|
||
|
|
result.push(characters.charAt(Math.floor(Math.random() * charactersLength)))
|
||
|
|
return result.join('')
|
||
|
|
}
|
||
|
|
|
||
|
|
export function updateCodeHighlightRange(
|
||
|
|
rangeStr: string,
|
||
|
|
linesCount: number,
|
||
|
|
startLine: number,
|
||
|
|
getTokenOfLine: (line: number) => Element[],
|
||
|
|
) {
|
||
|
|
const highlights: number[] = parseRangeString(linesCount + startLine - 1, rangeStr)
|
||
|
|
for (let line = 0; line < linesCount; line++) {
|
||
|
|
const tokens = getTokenOfLine(line)
|
||
|
|
const isHighlighted = highlights.includes(line + startLine)
|
||
|
|
for (const token of tokens) {
|
||
|
|
// token.classList.toggle(CLASS_VCLICK_TARGET, true)
|
||
|
|
token.classList.toggle('slidev-code-highlighted', isHighlighted)
|
||
|
|
token.classList.toggle('slidev-code-dishonored', !isHighlighted)
|
||
|
|
|
||
|
|
// for backward compatibility
|
||
|
|
token.classList.toggle('highlighted', isHighlighted)
|
||
|
|
token.classList.toggle('dishonored', !isHighlighted)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|