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79 lines
2.8 KiB
Plaintext
79 lines
2.8 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.KeyOfPropertyKeys = KeyOfPropertyKeys;
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exports.KeyOfPattern = KeyOfPattern;
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const index_1 = require("../sets/index");
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// ------------------------------------------------------------------
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// TypeGuard
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// ------------------------------------------------------------------
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const kind_1 = require("../guard/kind");
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// prettier-ignore
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function FromRest(types) {
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const result = [];
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for (const L of types)
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result.push(KeyOfPropertyKeys(L));
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return result;
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}
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// prettier-ignore
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function FromIntersect(types) {
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const propertyKeysArray = FromRest(types);
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const propertyKeys = (0, index_1.SetUnionMany)(propertyKeysArray);
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return propertyKeys;
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}
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// prettier-ignore
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function FromUnion(types) {
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const propertyKeysArray = FromRest(types);
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const propertyKeys = (0, index_1.SetIntersectMany)(propertyKeysArray);
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return propertyKeys;
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}
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// prettier-ignore
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function FromTuple(types) {
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return types.map((_, indexer) => indexer.toString());
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}
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// prettier-ignore
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function FromArray(_) {
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return (['[number]']);
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}
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// prettier-ignore
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function FromProperties(T) {
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return (globalThis.Object.getOwnPropertyNames(T));
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}
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// ------------------------------------------------------------------
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// FromPatternProperties
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// ------------------------------------------------------------------
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// prettier-ignore
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function FromPatternProperties(patternProperties) {
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if (!includePatternProperties)
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return [];
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const patternPropertyKeys = globalThis.Object.getOwnPropertyNames(patternProperties);
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return patternPropertyKeys.map(key => {
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return (key[0] === '^' && key[key.length - 1] === '$')
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? key.slice(1, key.length - 1)
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: key;
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});
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}
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/** Returns a tuple of PropertyKeys derived from the given TSchema. */
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// prettier-ignore
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function KeyOfPropertyKeys(type) {
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return ((0, kind_1.IsIntersect)(type) ? FromIntersect(type.allOf) :
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(0, kind_1.IsUnion)(type) ? FromUnion(type.anyOf) :
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(0, kind_1.IsTuple)(type) ? FromTuple(type.items ?? []) :
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(0, kind_1.IsArray)(type) ? FromArray(type.items) :
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(0, kind_1.IsObject)(type) ? FromProperties(type.properties) :
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(0, kind_1.IsRecord)(type) ? FromPatternProperties(type.patternProperties) :
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[]);
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}
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// ----------------------------------------------------------------
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// KeyOfPattern
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// ----------------------------------------------------------------
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let includePatternProperties = false;
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/** Returns a regular expression pattern derived from the given TSchema */
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function KeyOfPattern(schema) {
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includePatternProperties = true;
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const keys = KeyOfPropertyKeys(schema);
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includePatternProperties = false;
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const pattern = keys.map((key) => `(${key})`);
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return `^(${pattern.join('|')})$`;
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}
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