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build: add more minify steps

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redphx 2024-09-25 08:47:01 +07:00
parent 49a6c036a3
commit f40b8cb0b2
1 changed files with 35 additions and 5 deletions
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40
build.ts
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@ -35,13 +35,43 @@ const postProcess = (str: string): string => {
// Add ADDITIONAL CODE block
str = str.replace('var DEFAULT_FLAGS', '\n/* ADDITIONAL CODE */\n\nvar DEFAULT_FLAGS');
// Minify SVG
str = str.replaceAll(/= "(<svg.*)";/g, function(match) {
match = match.replaceAll(/\\n*\s*/g, '');
return match;
str = str.replaceAll('(e) => `', 'e => `');
// Simplify object definitions
// {[1]: "a"} => {1: "a"}
str = str.replaceAll(/\[(\d+)\]: /g, '$1: ');
// {["a"]: 1, ["b-c"]: 2} => {a: 1, "b-c": 2}
str = str.replaceAll(/\["([^"]+)"\]: /g, function(match, p1) {
if (p1.includes('-') || p1.match(/^\d/)) {
p1 = `"${p1}"`;
}
return p1 + ': ';
});
str = str.replaceAll('(e) => `', 'e => `');
// Minify SVG import code
const svgMap = {}
str = str.replaceAll(/var ([\w_]+) = ("<svg.*?");\n\n/g, function(match, p1, p2) {
// Remove new lines in SVG
p2 = p2.replaceAll(/\\n*\s*/g, '');
svgMap[p1] = p2;
return '';
});
for (const name in svgMap) {
str = str.replace(`: ${name}`, `: ${svgMap[name]}`);
}
// Collapse empty brackets
str = str.replaceAll(/\{[\s\n]+\}/g, '{}');
// Collapse single return
str = str.replaceAll(/\)\n\s+return/g, ') return');
str = str.replaceAll(/else\n\s+return/g, 'else return');
// Remove blank lines
str = str.replaceAll(/\n([\s]*)\n/g, "\n");
assert(str.includes('/* ADDITIONAL CODE */'));
assert(str.includes('window.BX_EXPOSED = BxExposed'));