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Code Issues Packages 1 Wiki Activity

Simplify ts-compiler's normalizeString (#5072)

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Ryan Dahl 2020-05-04 12:22:42 -04:00 • committed by GitHub
parent 92c0591fcb
commit 38ecabf205
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2 changed files with 8 additions and 23 deletions
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9
cli/js/compiler/bundler.ts
View file

@ -1,7 +1,7 @@
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { SYSTEM_LOADER } from "./bootstrap.ts";
import { commonPath, normalizeString, CHAR_FORWARD_SLASH } from "./util.ts";
import { commonPath, normalizeString } from "./util.ts";
import { assert } from "../util.ts";
let rootExports: string[] | undefined;
@ -10,12 +10,7 @@ function normalizeUrl(rootName: string): string {
const match = /^(\S+:\/{2,3})(.+)$/.exec(rootName);
if (match) {
const [, protocol, path] = match;
return `${protocol}${normalizeString(
path,
false,
"/",
(code) => code === CHAR_FORWARD_SLASH
)}`;
return `${protocol}${normalizeString(path)}`;
} else {
return rootName;
}

22
cli/js/compiler/util.ts
View file

@ -299,12 +299,7 @@ export function processConfigureResponse(
export const CHAR_DOT = 46; /* . */
export const CHAR_FORWARD_SLASH = 47; /* / */
export function normalizeString(
path: string,
allowAboveRoot: boolean,
separator: string,
isPathSeparator: (code: number) => boolean
): string {
export function normalizeString(path: string): string {
let res = "";
let lastSegmentLength = 0;
let lastSlash = -1;
@ -312,10 +307,10 @@ export function normalizeString(
let code: number;
for (let i = 0, len = path.length; i <= len; ++i) {
if (i < len) code = path.charCodeAt(i);
else if (isPathSeparator(code!)) break;
else if (code! === CHAR_FORWARD_SLASH) break;
else code = CHAR_FORWARD_SLASH;
if (isPathSeparator(code)) {
if (code === CHAR_FORWARD_SLASH) {
if (lastSlash === i - 1 || dots === 1) {
// NOOP
} else if (lastSlash !== i - 1 && dots === 2) {
@ -326,13 +321,13 @@ export function normalizeString(
res.charCodeAt(res.length - 2) !== CHAR_DOT
) {
if (res.length > 2) {
const lastSlashIndex = res.lastIndexOf(separator);
const lastSlashIndex = res.lastIndexOf("/");
if (lastSlashIndex === -1) {
res = "";
lastSegmentLength = 0;
} else {
res = res.slice(0, lastSlashIndex);
lastSegmentLength = res.length - 1 - res.lastIndexOf(separator);
lastSegmentLength = res.length - 1 - res.lastIndexOf("/");
}
lastSlash = i;
dots = 0;
@ -345,13 +340,8 @@ export function normalizeString(
continue;
}
}
if (allowAboveRoot) {
if (res.length > 0) res += `${separator}..`;
else res = "..";
lastSegmentLength = 2;
}
} else {
if (res.length > 0) res += separator + path.slice(lastSlash + 1, i);
if (res.length > 0) res += "/" + path.slice(lastSlash + 1, i);
else res = path.slice(lastSlash + 1, i);
lastSegmentLength = i - lastSlash - 1;
}