89 lines
2.9 KiB
JavaScript
89 lines
2.9 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.valueFromProto = exports.valueToProto = void 0;
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const errors_js_1 = require("./errors.js");
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const util_js_1 = require("./util.js");
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function valueToProto(value) {
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if (value === null) {
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return null;
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}
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else if (typeof value === "string") {
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return value;
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}
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else if (typeof value === "number") {
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if (!Number.isFinite(value)) {
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throw new RangeError("Only finite numbers (not Infinity or NaN) can be passed as arguments");
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}
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return value;
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}
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else if (typeof value === "bigint") {
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if (value < minInteger || value > maxInteger) {
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throw new RangeError("This bigint value is too large to be represented as a 64-bit integer and passed as argument");
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}
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return value;
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}
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else if (typeof value === "boolean") {
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return value ? 1n : 0n;
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}
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else if (value instanceof ArrayBuffer) {
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return new Uint8Array(value);
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}
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else if (value instanceof Uint8Array) {
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return value;
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}
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else if (value instanceof Date) {
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return +value.valueOf();
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}
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else if (typeof value === "object") {
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return "" + value.toString();
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}
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else {
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throw new TypeError("Unsupported type of value");
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}
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}
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exports.valueToProto = valueToProto;
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const minInteger = -9223372036854775808n;
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const maxInteger = 9223372036854775807n;
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function valueFromProto(value, intMode) {
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if (value === null) {
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return null;
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}
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else if (typeof value === "number") {
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return value;
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}
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else if (typeof value === "string") {
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return value;
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}
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else if (typeof value === "bigint") {
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if (intMode === "number") {
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const num = Number(value);
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if (!Number.isSafeInteger(num)) {
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throw new RangeError("Received integer which is too large to be safely represented as a JavaScript number");
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}
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return num;
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}
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else if (intMode === "bigint") {
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return value;
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}
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else if (intMode === "string") {
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return "" + value;
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}
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else {
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throw new errors_js_1.MisuseError("Invalid value for IntMode");
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}
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}
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else if (value instanceof Uint8Array) {
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// TODO: we need to copy data from `Uint8Array` to return an `ArrayBuffer`. Perhaps we should add a
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// `blobMode` parameter, similar to `intMode`, which would allow the user to choose between receiving
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// `ArrayBuffer` (default, convenient) and `Uint8Array` (zero copy)?
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return value.slice().buffer;
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}
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else if (value === undefined) {
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throw new errors_js_1.ProtoError("Received unrecognized type of Value");
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}
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else {
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throw (0, util_js_1.impossible)(value, "Impossible type of Value");
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}
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}
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exports.valueFromProto = valueFromProto;
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