10000 Simpler codegen by Rich-Harris · Pull Request #559 · sveltejs/svelte · GitHub
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Simpler codegen #559

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Merged
merged 8 commits into from
May 4, 2017
Merged

Simpler codegen #559

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3201a21
build _set method in one place
Rich-Harris May 3, 2017
4bff8d0
more codebuilder consolidation
Rich-Harris May 3, 2017
a5f7fe7
collapse constructor block into builders.main
Rich-Harris May 3, 2017
3efb5ab
fix test
Rich-Harris May 3, 2017
4309143
simplify SSR codegen
Rich-Harris May 4, 2017
0d67026
more simplification
Rich-Harris May 4, 2017
fa80261
more simplification
Rich-Harris May 4, 2017
d8364f6
remove unnecessary if statement
Rich-Harris May 4, 2017
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more simplification
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@Rich-Harris
Rich-Harris committed May 4, 2017
commit fa80261ae2125bfcd4ed3c8f62b6a8bb75ae3240
37 changes: 7 additions & 30 deletions src/generators/dom/visitors/EachBlock.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,3 @@
import CodeBuilder from '../../../utils/CodeBuilder.js';
import deindent from '../../../utils/deindent.js';
import visit from '../visit.js';

Expand Down Expand Up @@ -119,24 +118,13 @@ function keyed ( generator, block, state, node, snippet, { each_block, create_ea
const iteration = block.getUniqueName( `${each_block}_iteration` );
const _iterations = block.getUniqueName( `_${each_block}_iterations` );

block.builders.create.addLine( `var ${lookup} = Object.create( null );` );

const create = new CodeBuilder();

create.addBlock( deindent`
var ${key} = ${each_block_value}[${i}].${node.key};
${iterations}[${i}] = ${lookup}[ ${key} ] = ${create_each_block}( ${params}, ${each_block_value}, ${each_block_value}[${i}], ${i}, ${block.component}, ${key} );
` );

if ( state.parentNode ) {
create.addLine(
`${iterations}[${i}].${mountOrIntro}( ${state.parentNode}, null );`
);
}

block.builders.create.addBlock( deindent`
var ${lookup} = Object.create( null );

for ( var ${i} = 0; ${i} < ${each_block_value}.length; ${i} += 1 ) {
${create}
var ${key} = ${each_block_value}[${i}].${node.key};
${iterations}[${i}] = ${lookup}[ ${key} ] = ${create_each_block}( ${params}, ${each_block_value}, ${each_block_value}[${i}], ${i}, ${block.component}, ${key} );
${state.parentNode && `${iterations}[${i}].${mountOrIntro}( ${state.parentNode}, null );`}
}
` );

Expand Down Expand Up @@ -206,21 +194,10 @@ function keyed ( generator, block, state, node, snippet, { each_block, create_ea
}

function unkeyed ( generator, block, state, node, snippet, { create_each_block, each_block_value, iterations, i, params, anchor, mountOrIntro } ) {
const create = new CodeBuilder();

create.addLine(
`${iterations}[${i}] = ${create_each_block}( ${params}, ${each_block_value}, ${each_block_value}[${i}], ${i}, ${block.component} );`
);

if ( state.parentNode ) {
create.addLine(
`${iterations}[${i}].${mountOrIntro}( ${state.parentNode}, null );`
);
}

block.builders.create.addBlock( deindent`
for ( var ${i} = 0; ${i} < ${each_block_value}.length; ${i} += 1 ) {
${create}
${iterations}[${i}] = ${create_each_block}( ${params}, ${each_block_value}, ${each_block_value}[${i}], ${i}, ${block.component} );
${state.parentNode && `${iterations}[${i}].${mountOrIntro}( ${state.parentNode}, null );`}
}
` );

Expand Down
0