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Code Issues Releases Wiki Activity

when creating a component, always check whether its css is still in the dom (#554)

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This commit is contained in:
Conduitry 2017-05-03 13:07:05 -04:00
parent 1078bae696
commit a1c8ada088
2 changed files with 5 additions and 9 deletions
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6
src/generators/dom/index.js
View File

@ -117,13 +117,11 @@ export default function dom ( parsed, source, options ) {
if ( generator.css && options.css !== false ) {
builders.main.addBlock( deindent`
var ${generator.alias( 'added_css' )} = false;
function ${generator.alias( 'add_css' )} () {
var style = ${generator.helper( 'createElement' )}( 'style' );
${generator.helper( 'setAttribute' )}( style, ${JSON.stringify( generator.cssId )}, '' );
style.textContent = ${JSON.stringify( generator.css )};
${generator.helper( 'appendNode' )}( style, document.head );
${generator.alias( 'added_css' )} = true;
}
` );
}
@ -135,7 +133,7 @@ export default function dom ( parsed, source, options ) {
builders.init.addLine( `this._torndown = false;` );
if ( parsed.css && options.css !== false ) {
builders.init.addLine( `if ( !${generator.alias( 'added_css' )} ) ${generator.alias( 'add_css' )}();` );
builders.init.addLine( `if ( !document.querySelector( 'style[${generator.cssId}]' ) ) ${generator.alias( 'add_css' )}();` );
}
if ( generator.hasComponents || generator.hasIntroTransitions ) {

6
test/js/samples/collapses-text-around-comments/expected.js
View File

@ -8,13 +8,11 @@ var template = (function () {
};
}());
var added_css = false;
function add_css () {
var style = createElement( 'style' );
setAttribute( style, "svelte-3842350206", '' );
style.textContent = "\n\tp[svelte-3842350206], [svelte-3842350206] p {\n\t\tcolor: red;\n\t}\n";
appendNode( style, document.head );
added_css = true;
}
function create_main_fragment ( state, component ) {
@ -59,7 +57,7 @@ function SvelteComponent ( options ) {
this._yield = options._yield;
this._torndown = false;
if ( !added_css ) add_css();
if ( !document.querySelector( 'style[svelte-3842350206]' ) ) add_css();
this._fragment = create_main_fragment( this._state, this );
if ( options.target ) this._fragment.mount( options.target, null );