PeerTube/server/models/utils.ts

37 lines
977 B
TypeScript

// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
function getSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
let field: string
let direction: 'ASC' | 'DESC'
if (value.substring(0, 1) === '-') {
direction = 'DESC'
field = value.substring(1)
} else {
direction = 'ASC'
field = value
}
return [ [ field, direction ], lastSort ]
}
function getSortOnModel (model: any, value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
let [ firstSort ] = getSort(value)
if (model) return [ [ model, firstSort[0], firstSort[1] ], lastSort ]
return [ firstSort, lastSort ]
}
function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value') {
if (validator(value) === false) {
throw new Error(`"${value}" is not a valid ${fieldName}.`)
}
}
// ---------------------------------------------------------------------------
export {
getSort,
getSortOnModel,
throwIfNotValid
}