40 lines
1.7 KiB
JavaScript
40 lines
1.7 KiB
JavaScript
#!/usr/bin/env node
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import {readFileSync} from 'node:fs';
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import {dirname,resolve} from 'node:path';
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import {fileURLToPath} from 'node:url';
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const root=resolve(dirname(fileURLToPath(import.meta.url)),'..');
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const files=['assets/template.html','assets/template-swiss.html'];
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const blocks=[
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['presenter CSS','/* ============ 演讲者模式 ============ */','/* ============ /演讲者模式 ============ */'],
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['presenter JavaScript','/* =============== 演讲者模式 / 观众屏同步 =============== */','/* =============== /演讲者模式 / 观众屏同步 =============== */'],
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];
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function extract(source,label,startMarker,endMarker,file){
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const start=source.indexOf(startMarker),end=source.indexOf(endMarker,start+startMarker.length);
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if(start<0||end<0)throw new Error(`${file}: missing ${label} boundary marker.`);
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return source.slice(start,end+endMarker.length);
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}
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function firstDifferentLine(a,b){
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const left=a.split('\n'),right=b.split('\n'),count=Math.max(left.length,right.length);
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for(let i=0;i<count;i++)if(left[i]!==right[i])return i+1;
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return 0;
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}
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const sources=files.map(file=>[file,readFileSync(resolve(root,file),'utf8')]);
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let failed=false;
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for(const [label,start,end] of blocks){
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const extracted=sources.map(([file,source])=>[file,extract(source,label,start,end,file)]);
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const [baseFile,base]=extracted[0];
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let blockFailed=false;
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for(const [file,value] of extracted.slice(1)){
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if(value===base)continue;
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failed=true;
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blockFailed=true;
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console.error(`ERROR ${label} drift: ${baseFile} and ${file} first differ at block line ${firstDifferentLine(base,value)}.`);
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}
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if(!blockFailed)console.log(`PASS ${label} is byte-identical across ${files.length} templates.`);
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}
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process.exit(failed?1:0);
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