69 lines
1.4 KiB
Plaintext
69 lines
1.4 KiB
Plaintext
/**
|
|
* @typedef {import('./util/schema.js').Schema} Schema
|
|
*/
|
|
|
|
import {normalize} from './normalize.js'
|
|
import {DefinedInfo} from './util/defined-info.js'
|
|
import {Info} from './util/info.js'
|
|
|
|
const valid = /^data[-\w.:]+$/i
|
|
const dash = /-[a-z]/g
|
|
const cap = /[A-Z]/g
|
|
|
|
/**
|
|
* @param {Schema} schema
|
|
* @param {string} value
|
|
* @returns {Info}
|
|
*/
|
|
export function find(schema, value) {
|
|
const normal = normalize(value)
|
|
let prop = value
|
|
let Type = Info
|
|
|
|
if (normal in schema.normal) {
|
|
return schema.property[schema.normal[normal]]
|
|
}
|
|
|
|
if (normal.length > 4 && normal.slice(0, 4) === 'data' && valid.test(value)) {
|
|
// Attribute or property.
|
|
if (value.charAt(4) === '-') {
|
|
// Turn it into a property.
|
|
const rest = value.slice(5).replace(dash, camelcase)
|
|
prop = 'data' + rest.charAt(0).toUpperCase() + rest.slice(1)
|
|
} else {
|
|
// Turn it into an attribute.
|
|
const rest = value.slice(4)
|
|
|
|
if (!dash.test(rest)) {
|
|
let dashes = rest.replace(cap, kebab)
|
|
|
|
if (dashes.charAt(0) !== '-') {
|
|
dashes = '-' + dashes
|
|
}
|
|
|
|
value = 'data' + dashes
|
|
}
|
|
}
|
|
|
|
Type = DefinedInfo
|
|
}
|
|
|
|
return new Type(prop, value)
|
|
}
|
|
|
|
/**
|
|
* @param {string} $0
|
|
* @returns {string}
|
|
*/
|
|
function kebab($0) {
|
|
return '-' + $0.toLowerCase()
|
|
}
|
|
|
|
/**
|
|
* @param {string} $0
|
|
* @returns {string}
|
|
*/
|
|
function camelcase($0) {
|
|
return $0.charAt(1).toUpperCase()
|
|
}
|