mirror of https://github.com/zulip/zulip.git
57 lines
1.3 KiB
JavaScript
57 lines
1.3 KiB
JavaScript
"use strict";
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/*
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These runtime schema validators are defensive and
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should always succeed, so we don't necessarily want
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to translate these. These are very similar to server
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side validators in zerver/lib/validator.py.
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*/
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exports.check_string = function (var_name, val) {
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if (typeof val !== "string") {
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return var_name + " is not a string";
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}
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return undefined;
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};
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exports.check_record = function (var_name, val, fields) {
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if (typeof val !== "object") {
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return var_name + " is not a record";
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}
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const field_results = Object.entries(fields).map(([field_name, f]) => {
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if (val[field_name] === undefined) {
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return field_name + " is missing";
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}
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return f(field_name, val[field_name]);
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});
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const msg = field_results.filter(Boolean).sort().join(", ");
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if (msg) {
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return "in " + var_name + " " + msg;
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}
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return undefined;
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};
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exports.check_array = function (var_name, val, checker) {
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if (!Array.isArray(val)) {
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return var_name + " is not an array";
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}
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for (const item of val) {
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const msg = checker("item", item);
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if (msg) {
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return "in " + var_name + " we found an item where " + msg;
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}
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}
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return undefined;
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};
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window.schema = exports;
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