58 lines
2.3 KiB
JavaScript
58 lines
2.3 KiB
JavaScript
import { Field_Configuration } from './field-configuration.mjs';
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export { Schema } from './field-configuration.mjs';
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//constructor(validation_function=null, coercion_function=null, factory_function=null, expected_description=undefined) {
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export function value(default_value, description) {
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return new Field_Configuration(null, null, () => default_value, description);
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}
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export function factory(factory_function, description) {
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return new Field_Configuration(null, null, factory_function, description);
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}
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export function typed_value(coercion_function, default_value, description) {
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return new Field_Configuration(null, coercion_function, () => default_value, description);
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}
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export function typed_factory(coercion_function, factory_function, description) {
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return new Field_Configuration(null, coercion_function, factory_function, description);
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}
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export function required(description) {
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return new Field_Configuration((value) => value !== undefined, null, null, description);
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}
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export function typed_required(coercion_function, description) {
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return new Field_Configuration((value) => value !== undefined, coercion_function, null, description);
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}
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export function symbol_set(description_to_name_mapping, description=null) {
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const symbols_by_name = Object.fromEntries(Object.keys(description_to_name_mapping).map(k => [k, Symbol(k)]));
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const valid_symbols = new Set(Object.values(symbols_by_name));
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const descriptions_by_symbol = Object.fromEntries(Object.entries(symbols_by_name).map(([n, s]) => [s, description_to_name_mapping[n]]));
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const result = new Field_Configuration(
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(v) => valid_symbols.has(v),
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(v) => typeof v === 'string' ? symbols_by_name[v] : v, // TODO: Assert that we could look up the symbol
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null,
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description,
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);
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// HACK: We are just tacking these on here but the proper method would be to create a proper subclass for the symbol set field type which is planned.
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result.symbols = symbols_by_name;
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result.symbol_descriptions = descriptions_by_symbol;
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return result;
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}
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export function cardinal_value(default_value=null, description=null) {
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return new Field_Configuration((v) => Number.isInteger(v) && v >= 1, parseInt, () => default_value, description);
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}
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export function natural_value(default_value=null, description=null) {
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return new Field_Configuration((v) => Number.isInteger(v) && v >= 0, parseInt, () => default_value, description);
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} |