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add custom attribute support for preload/prefetch #53

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add custom attribute support for preload/prefetch #53

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4 changes: 2 additions & 2 deletions lib/async-chunk-resource-hints.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,9 +16,9 @@ const addAsyncChunkResourceHints = (chunks, options) => {
[])
.forEach(file => {
if (optionsMatch(options.preload, file)) {
hints.push(createResourceHint('preload', getRef(file)));
hints.push(createResourceHint('preload', getRef(file), options.preload.attrs));
} else if (optionsMatch(options.prefetch, file)) {
hints.push(createResourceHint('prefetch', getRef(file)));
hints.push(createResourceHint('prefetch', getRef(file), options.prefetch.attrs));
}
});
return hints;
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5 changes: 3 additions & 2 deletions lib/config.js
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Expand Up @@ -7,7 +7,8 @@ const DEFAULT_HASH = {
};
const DEFAULT_RESOURCE_HINT_HASH = {
test: [],
chunks: 'initial'
chunks: 'initial',
attrs: {}
};
const DEFAULT_CUSTOM_HASH = {
test: [],
Expand All @@ -26,7 +27,7 @@ const DEFAULT_OPTIONS = {
removeInlinedAssets: true,
custom: []
};
const POSSIBLE_VALUES = ['chunks', 'attribute', 'value'];
const POSSIBLE_VALUES = ['chunks', 'attribute', 'value', 'attrs'];

const normaliseOptions = options => {
if (!options) return DEFAULT_OPTIONS;
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4 changes: 2 additions & 2 deletions lib/initial-chunk-resource-hints.js
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Expand Up @@ -19,9 +19,9 @@ const addInitialChunkResourceHints = (options, tags) => {
.reduce((hints, tag) => {
const scriptName = getScriptName(options, tag);
if (optionsMatch(options.preload, scriptName)) {
hints.push(createResourceHint('preload', getRawScriptName(tag)));
hints.push(createResourceHint('preload', getRawScriptName(tag), options.preload.attrs));
} else if (optionsMatch(options.prefetch, scriptName)) {
hints.push(createResourceHint('prefetch', getRawScriptName(tag)));
hints.push(createResourceHint('prefetch', getRawScriptName(tag), options.prefetch.attrs));
}
return hints;
},
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6 changes: 3 additions & 3 deletions lib/resource-hints.js
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Expand Up @@ -5,15 +5,15 @@ const shouldAddResourceHints = options => {
options.preload.test.length === 0);
};

const createResourceHint = (rel, href) => {
const createResourceHint = (rel, href, attrs) => {
return {
tagName: 'link',
selfClosingTag: true,
attributes: {
attributes: Object.assign({}, attrs, {
rel: rel,
href: href,
as: 'script'
}
})
};
};

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