63 lines
1.6 KiB
JavaScript
63 lines
1.6 KiB
JavaScript
import { getter } from 'property-expr';
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const prefixes = {
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context: '$',
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value: '.'
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};
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export function create(key, options) {
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return new Reference(key, options);
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}
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export default class Reference {
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constructor(key, options = {}) {
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if (typeof key !== 'string') throw new TypeError('ref must be a string, got: ' + key);
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this.key = key.trim();
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if (key === '') throw new TypeError('ref must be a non-empty string');
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this.isContext = this.key[0] === prefixes.context;
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this.isValue = this.key[0] === prefixes.value;
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this.isSibling = !this.isContext && !this.isValue;
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let prefix = this.isContext ? prefixes.context : this.isValue ? prefixes.value : '';
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this.path = this.key.slice(prefix.length);
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this.getter = this.path && getter(this.path, true);
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this.map = options.map;
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}
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getValue(value, parent, context) {
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let result = this.isContext ? context : this.isValue ? value : parent;
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if (this.getter) result = this.getter(result || {});
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if (this.map) result = this.map(result);
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return result;
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}
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/**
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*
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* @param {*} value
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* @param {Object} options
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* @param {Object=} options.context
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* @param {Object=} options.parent
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*/
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cast(value, options) {
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return this.getValue(value, options == null ? void 0 : options.parent, options == null ? void 0 : options.context);
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}
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resolve() {
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return this;
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}
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describe() {
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return {
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type: 'ref',
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key: this.key
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};
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}
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toString() {
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return `Ref(${this.key})`;
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}
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static isRef(value) {
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return value && value.__isYupRef;
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}
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} // @ts-ignore
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Reference.prototype.__isYupRef = true; |