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109 lines
3.6 KiB
JavaScript
109 lines
3.6 KiB
JavaScript
export class MappingField extends foundry.data.fields.ObjectField {
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constructor(model, options) {
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if (!(model instanceof foundry.data.fields.DataField)) {
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throw new Error('MappingField must have a DataField as its contained element');
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}
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super(options);
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/**
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* The embedded DataField definition which is contained in this field.
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* @type {DataField}
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*/
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this.model = model;
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}
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/* -------------------------------------------- */
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/** @inheritdoc */
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static get _defaults() {
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return foundry.utils.mergeObject(super._defaults, {
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initialKeys: null,
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initialValue: null,
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initialKeysOnly: false
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});
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}
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/* -------------------------------------------- */
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/** @inheritdoc */
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_cleanType(value, options) {
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Object.entries(value).forEach(([k, v]) => (value[k] = this.model.clean(v, options)));
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return value;
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}
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/* -------------------------------------------- */
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/** @inheritdoc */
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getInitialValue(data) {
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let keys = this.initialKeys;
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const initial = super.getInitialValue(data);
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if (!keys || !foundry.utils.isEmpty(initial)) return initial;
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if (!(keys instanceof Array)) keys = Object.keys(keys);
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for (const key of keys) initial[key] = this._getInitialValueForKey(key);
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return initial;
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}
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/* -------------------------------------------- */
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/**
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* Get the initial value for the provided key.
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* @param {string} key Key within the object being built.
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* @param {object} [object] Any existing mapping data.
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* @returns {*} Initial value based on provided field type.
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*/
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_getInitialValueForKey(key, object) {
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const initial = this.model.getInitialValue();
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return this.initialValue?.(key, initial, object) ?? initial;
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}
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/* -------------------------------------------- */
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/** @override */
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_validateType(value, options = {}) {
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if (foundry.utils.getType(value) !== 'Object') throw new Error('must be an Object');
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const errors = this._validateValues(value, options);
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if (!foundry.utils.isEmpty(errors)) throw new foundry.data.fields.ModelValidationError(errors);
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}
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/* -------------------------------------------- */
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/**
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* Validate each value of the object.
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* @param {object} value The object to validate.
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* @param {object} options Validation options.
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* @returns {Object<Error>} An object of value-specific errors by key.
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*/
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_validateValues(value, options) {
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const errors = {};
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for (const [k, v] of Object.entries(value)) {
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const error = this.model.validate(v, options);
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if (error) errors[k] = error;
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}
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return errors;
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}
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/* -------------------------------------------- */
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/** @override */
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initialize(value, model, options = {}) {
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if (!value) return value;
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const obj = {};
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const initialKeys = this.initialKeys instanceof Array ? this.initialKeys : Object.keys(this.initialKeys ?? {});
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const keys = this.initialKeysOnly ? initialKeys : Object.keys(value);
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for (const key of keys) {
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const data = value[key] ?? this._getInitialValueForKey(key, value);
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obj[key] = this.model.initialize(data, model, options);
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}
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return obj;
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}
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/* -------------------------------------------- */
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/** @inheritdoc */
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_getField(path) {
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if (path.length === 0) return this;
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else if (path.length === 1) return this.model;
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path.shift();
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return this.model._getField(path);
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}
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}
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