constructs
Version:
A programming model for software-defined state
31 lines • 2.79 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.addressOf = void 0;
const crypto = require("crypto");
/**
* Resources with this ID are complete hidden from the logical ID calculation.
*/
const HIDDEN_ID = 'Default';
/**
* Calculates the construct uid based on path components.
*
* Components named `Default` (case sensitive) are excluded from uid calculation
* to allow tree refactorings.
*
* @param components path components
*/
function addressOf(components) {
const hash = crypto.createHash('sha1');
for (const c of components) {
// skip components called "Default" to enable refactorings
if (c === HIDDEN_ID) {
continue;
}
hash.update(c);
hash.update('\n');
}
// prefix with "c8" so to ensure it starts with non-digit.
return 'c8' + hash.digest('hex');
}
exports.addressOf = addressOf;
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