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fix: use zero-width spaces to make it work on firefox

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Closes #4
This commit is contained in:
Matvey Ryabchikov 2025-02-16 17:45:44 +03:00
parent 31f6f5e731
commit ce034d7736
1 changed files with 7 additions and 6 deletions
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13
gulf.js
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@ -140,7 +140,8 @@
const CHAR_CODE_CAPITAL_A = "A".charCodeAt(0)
const CHAR_CODE_PARENTH = '('.charCodeAt(0)
const CHAR_CODE_CAPITAL_G = 'G'.charCodeAt(0)
const REPLACEMENT_BYTES = [..."Mexico\0"].map(char => char.charCodeAt(0))
// \u200B is a zero-width space character. We add it to make the strings the same length
const REPLACEMENT_BYTES = [..."Mexico\u200B"].map(char => char.charCodeAt(0))
// For every possible starting character in our `labelBytes` blob...
for(let labelByteStartingIndex = 0; labelByteStartingIndex < labelBytes.length; labelByteStartingIndex++) {
@ -207,16 +208,16 @@
}
}
if (parenthStartIndex > -1) {
// Replace "(Gulf of" with null bytes
// Replace "(Gulf of" with zero-width spaces
for (let i = 0; i < 8; i++) {
labelBytes[parenthStartIndex + i] = '\0'.charCodeAt(0)
labelBytes[parenthStartIndex + i] = '\u200B'.charCodeAt(0)
}
// Replace "America)" with null bytes
// Replace "America)" with zero-width spaces
for (let i = 0; i < 8; i++) {
labelBytes[americaStartIndex + i] = '\0'.charCodeAt(0)
labelBytes[americaStartIndex + i] = '\u200B'.charCodeAt(0)
}
} else {
// Replace "America" with "Mexico\0"
// Replace "America" with "Mexico\u200B"
for (let i = 0; i < REPLACEMENT_BYTES.length; i++) {
labelBytes[americaStartIndex + i] = REPLACEMENT_BYTES[i]
}