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Code Issues Packages 1 Wiki Activity

fix(console): correct the parseCssColor algorithm (#19645)

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This is a fix for issue #19644, concerning the `parseCssColor` function
in the file `ext/console/01_console.js`. Changes made on lines
2756-2758. To sum it up:

> The internal `parseCssColor` function currently parses 3/4-digit hex
colors incorrectly. For example, it parses the string `#FFFFFF` as
`[255, 255, 255]` (as expected), but returns `[240, 240, 240]` for
`#FFF`, when it should return the same triplet as the former.

While it's not going to cause a fatal runtime error, it did bug me
enough to fix it real quick.
This commit is contained in:
Nicholas Berlette 2023-06-28 18:46:30 -07:00 committed by GitHub
parent 0434e04177
commit b6253370cc
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 9 deletions
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9
cli/tests/unit/console_test.ts
View file

@ -1152,9 +1152,12 @@ Deno.test(function consoleParseCssColor() {
assertEquals(parseCssColor("darkmagenta"), [139, 0, 139]);
assertEquals(parseCssColor("slateblue"), [106, 90, 205]);
assertEquals(parseCssColor("#ffaa00"), [255, 170, 0]);
assertEquals(parseCssColor("#ffaa00"), [255, 170, 0]);
assertEquals(parseCssColor("#18d"), [16, 128, 208]);
assertEquals(parseCssColor("#18D"), [16, 128, 208]);
assertEquals(parseCssColor("#ffAA00"), [255, 170, 0]);
assertEquals(parseCssColor("#fa0"), [255, 170, 0]);
assertEquals(parseCssColor("#FA0"), [255, 170, 0]);
assertEquals(parseCssColor("#18d"), [17, 136, 221]);
assertEquals(parseCssColor("#18D"), [17, 136, 221]);
assertEquals(parseCssColor("#1188DD"), [17, 136, 221]);
assertEquals(parseCssColor("rgb(100, 200, 50)"), [100, 200, 50]);
assertEquals(parseCssColor("rgb(+100.3, -200, .5)"), [100, 0, 1]);
assertEquals(parseCssColor("hsl(75, 60%, 40%)"), [133, 163, 41]);

12
ext/console/01_console.js
View file

@ -2541,7 +2541,7 @@ function replaceEscapeSequences(string) {
ESCAPE_PATTERN,
(c) => ESCAPE_MAP[c],
),
new SafeRegExp(ESCAPE_PATTERN2),
ESCAPE_PATTERN2,
(c) =>
"\\x" +
StringPrototypePadStart(
@ -2753,9 +2753,9 @@ function parseCssColor(colorString) {
const smallHashMatch = StringPrototypeMatch(colorString, SMALL_HASH_PATTERN);
if (smallHashMatch != null) {
return [
Number(`0x${smallHashMatch[1]}0`),
Number(`0x${smallHashMatch[2]}0`),
Number(`0x${smallHashMatch[3]}0`),
Number(`0x${smallHashMatch[1]}${smallHashMatch[1]}`),
Number(`0x${smallHashMatch[2]}${smallHashMatch[2]}`),
Number(`0x${smallHashMatch[3]}${smallHashMatch[3]}`),
];
}
// deno-fmt-ignore
@ -3329,7 +3329,7 @@ class Console {
if (properties !== undefined && !ArrayIsArray(properties)) {
throw new Error(
"The 'properties' argument must be of type Array. " +
"Received type string",
"Received type " + typeof properties,
);
}
@ -3436,7 +3436,7 @@ class Console {
label = String(label);
if (!MapPrototypeHas(timerMap, label)) {
this.warn(`Timer '${label}' does not exists`);
this.warn(`Timer '${label}' does not exist`);
return;
}