tjson-js
Version:
Tagged JSON (TJSON): a JSON-based microformat with rich type annotations
44 lines (43 loc) • 1.22 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
class DataType {
// Register a new TJSON datatype (used internally only)
static register(type, tag = type.tag()) {
if (tag in DataType.TAGS) {
throw new Error(`type already registered for tag: '${tag}'`);
}
DataType.TAGS[tag] = type;
}
// Find a (simple) entry in the DataType.tags table
static get(tag) {
let result = DataType.TAGS[tag];
if (result === undefined) {
throw new Error(`unknown tag: "${tag}"`);
}
return result;
}
// Return the tag for this type
tag() {
throw new Error(`unimplemented`);
}
// Decode a value as this TJSON type
decode(_value) {
throw new Error(`unimplemented`);
}
// Encode a value as this TJSON type
encode(_value) {
throw new Error(`unimplemented`);
}
}
DataType.TAGS = {};
exports.DataType = DataType;
class ScalarType extends DataType {
}
exports.ScalarType = ScalarType;
class NonScalarType extends DataType {
constructor(innerType) {
super();
this.innerType = innerType;
}
}
exports.NonScalarType = NonScalarType;