passkit-generator
Version:
The easiest way to generate custom Apple Wallet passes in Node.js
78 lines • 2.83 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const Schemas = tslib_1.__importStar(require("./schemas"));
const Utils = tslib_1.__importStar(require("./utils"));
const Messages = tslib_1.__importStar(require("./messages"));
/**
* Class to represent lower-level keys pass fields
* @see https://apple.co/2wkUBdh
*/
const passInstanceSymbol = Symbol("passInstance");
const sharedKeysPoolSymbol = Symbol("keysPool");
const fieldSchemaSymbol = Symbol("fieldSchema");
class FieldsArray extends Array {
constructor(passInstance, keysPool, fieldSchema, ...args) {
super(...args);
this[fieldSchemaSymbol] = fieldSchema;
this[passInstanceSymbol] = passInstance;
this[sharedKeysPoolSymbol] = keysPool;
}
push(...items) {
const validItems = registerWithValidation(this, ...items);
return super.push(...validItems);
}
pop() {
return unregisterItems(this, () => super.pop());
}
splice(start, deleteCount, ...items) {
// Perfoming frozen check, validation and getting valid items
const validItems = registerWithValidation(this, ...items);
for (let i = start; i < start + deleteCount; i++) {
this[sharedKeysPoolSymbol].delete(this[i].key);
}
return super.splice(start, deleteCount, ...validItems);
}
shift() {
return unregisterItems(this, () => super.shift());
}
unshift(...items) {
const validItems = registerWithValidation(this, ...items);
return super.unshift(...validItems);
}
}
exports.default = FieldsArray;
function registerWithValidation(instance, ...items) {
Utils.assertUnfrozen(instance[passInstanceSymbol]);
let validItems = [];
for (const field of items) {
if (!field) {
console.warn(Messages.format(Messages.FIELDS.INVALID, field));
continue;
}
try {
Schemas.assertValidity(instance[fieldSchemaSymbol], field, Messages.FIELDS.INVALID);
if (instance[sharedKeysPoolSymbol].has(field.key)) {
throw new TypeError(Messages.format(Messages.FIELDS.REPEATED_KEY, field.key));
}
instance[sharedKeysPoolSymbol].add(field.key);
validItems.push(field);
}
catch (err) {
if (err instanceof Error) {
console.warn(err.message ? err.message : err);
}
else {
console.warn(err);
}
}
}
return validItems;
}
function unregisterItems(instance, removeFn) {
Utils.assertUnfrozen(instance[passInstanceSymbol]);
const element = removeFn();
instance[sharedKeysPoolSymbol].delete(element.key);
return element;
}
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