abi.js
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JavaScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.
import { assertPath } from "./assert_path.js";
export function stripSuffix(name, suffix) {
if (suffix.length >= name.length) {
return name;
}
const lenDiff = name.length - suffix.length;
for (let i = suffix.length - 1; i >= 0; --i) {
if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) {
return name;
}
}
return name.slice(0, -suffix.length);
}
export function lastPathSegment(path, isSep, start = 0) {
let matchedNonSeparator = false;
let end = path.length;
for (let i = path.length - 1; i >= start; --i) {
if (isSep(path.charCodeAt(i))) {
if (matchedNonSeparator) {
start = i + 1;
break;
}
}
else if (!matchedNonSeparator) {
matchedNonSeparator = true;
end = i + 1;
}
}
return path.slice(start, end);
}
export function assertArgs(path, suffix) {
assertPath(path);
if (path.length === 0)
return path;
if (typeof suffix !== "string") {
throw new TypeError(`Suffix must be a string. Received ${JSON.stringify(suffix)}`);
}
}