@selfage/observable/parser.js

Runtime lib for generated observables.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseObservable = exports.OBSERVABLE_PARSER = exports.popArrayUntilTargetLength = exports.nullifyArray = exports.checkArrayType = exports.nullifyOutput = exports.checkSourceNonNull = void 0;
const observable_array_1 = require("@selfage/observable_array");
const parser_1 = require("@selfage/message/parser");
const assembler_1 = require("./assembler");
function checkSourceNonNull(source) {
    return Boolean(source) && typeof source === "object";
}
exports.checkSourceNonNull = checkSourceNonNull;
function nullifyOutput() {
    return undefined;
}
exports.nullifyOutput = nullifyOutput;
function checkArrayType(sourceField) {
    return Array.isArray(sourceField) || sourceField instanceof observable_array_1.ObservableArray;
}
exports.checkArrayType = checkArrayType;
function nullifyArray(ret, fieldName) {
    ret[fieldName] = undefined;
}
exports.nullifyArray = nullifyArray;
function popArrayUntilTargetLength(retArrayField, targetLength) {
    for (let i = retArrayField.length; i > targetLength; i--) {
        retArrayField.pop();
    }
}
exports.popArrayUntilTargetLength = popArrayUntilTargetLength;
exports.OBSERVABLE_PARSER = new assembler_1.ObservableAssembler(checkSourceNonNull, nullifyOutput, checkArrayType, nullifyArray, popArrayUntilTargetLength, parser_1.parsePrimitive, parser_1.parseEnum, parser_1.parseMessage);
function parseObservable(raw, descriptor, output) {
    return exports.OBSERVABLE_PARSER.processObservableType(raw, descriptor, output);
}
exports.parseObservable = parseObservable;
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