mirror of
https://github.com/go-gitea/gitea
synced 2024-12-23 05:17:53 +01:00
Improve <SvgIcon>
to make it output svg
node and optimize performance (#23570)
Before, the Vue `<SvgIcon>` always outputs DOM nodes like: ```html <span class="outer-class"> <svg class="class-name-defined" ...></svg> </span> ``` The `span` is redundant and I guess such layout and the inconsistent `class/class-name` attributes would cause bugs sooner or later. This PR makes the `<SvgIcon>` clear, and it's faster than before, because it doesn't need to parse the whole SVG string. Before: <details> ![image](https://user-images.githubusercontent.com/2114189/226156474-ce2c57cd-b869-486a-b75b-1eebdac8cdf7.png) </details> After: ![image](https://user-images.githubusercontent.com/2114189/226155774-108f49ed-7512-40c3-94a2-a6e8da18063d.png) --------- Co-authored-by: silverwind <me@silverwind.io>
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@ -224,7 +224,7 @@
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{{- range index $.LinkedPRs .ID}}
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{{- range index $.LinkedPRs .ID}}
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<div class="meta gt-my-2">
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<div class="meta gt-my-2">
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<a href="{{$.RepoLink}}/pulls/{{.Index}}">
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<a href="{{$.RepoLink}}/pulls/{{.Index}}">
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<span class="gt-m-0 {{if .PullRequest.HasMerged}}purple{{else if .IsClosed}}red{{else}}green{{end}}">{{svg "octicon-git-merge" 16 "gt-mr-2 gt-vm"}}</span>
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<span class="gt-m-0 text {{if .PullRequest.HasMerged}}purple{{else if .IsClosed}}red{{else}}green{{end}}">{{svg "octicon-git-merge" 16 "gt-mr-2 gt-vm"}}</span>
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<span class="gt-vm">{{.Title}} <span class="text light grey">#{{.Index}}</span></span>
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<span class="gt-vm">{{.Title}} <span class="text light grey">#{{.Index}}</span></span>
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</a>
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</a>
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</div>
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</div>
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@ -235,7 +235,7 @@
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{{- range index $.LinkedPRs .ID}}
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{{- range index $.LinkedPRs .ID}}
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<div class="meta gt-my-2">
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<div class="meta gt-my-2">
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<a href="{{$.RepoLink}}/pulls/{{.Index}}">
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<a href="{{$.RepoLink}}/pulls/{{.Index}}">
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<span class="gt-m-0 {{if .PullRequest.HasMerged}}purple{{else if .IsClosed}}red{{else}}green{{end}}">{{svg "octicon-git-merge" 16 "gt-mr-2 gt-vm"}}</span>
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<span class="gt-m-0 text {{if .PullRequest.HasMerged}}purple{{else if .IsClosed}}red{{else}}green{{end}}">{{svg "octicon-git-merge" 16 "gt-mr-2 gt-vm"}}</span>
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<span class="gt-vm">{{.Title}} <span class="text light grey">#{{.Index}}</span></span>
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<span class="gt-vm">{{.Title}} <span class="text light grey">#{{.Index}}</span></span>
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</a>
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</a>
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</div>
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</div>
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@ -54,7 +54,7 @@
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{{end}}
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{{end}}
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</div>
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</div>
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<div class="left floated content">
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<div class="left floated content">
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<span class="{{if or .ExpiredUnix.IsZero ($.PageStartTime.Before .ExpiredUnix.AsTime)}}green{{end}}">{{svg "octicon-key" 32}}</span>
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<span class="text {{if or .ExpiredUnix.IsZero ($.PageStartTime.Before .ExpiredUnix.AsTime)}}green{{end}}">{{svg "octicon-key" 32}}</span>
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</div>
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</div>
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<div class="content">
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<div class="content">
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{{if .Verified}}
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{{if .Verified}}
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@ -47,7 +47,7 @@
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</div>
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</div>
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<div class="left floated content">
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<div class="left floated content">
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<span class="tooltip{{if .HasRecentActivity}} green{{end}}" {{if .HasRecentActivity}}data-content="{{$.locale.Tr "settings.key_state_desc"}}"{{end}}>{{svg "octicon-key" 32}}</span>
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<span class="tooltip text {{if .HasRecentActivity}}green{{end}}" {{if .HasRecentActivity}}data-content="{{$.locale.Tr "settings.key_state_desc"}}"{{end}}>{{svg "octicon-key" 32}}</span>
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</div>
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</div>
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<div class="content">
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<div class="content">
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{{if .Verified}}
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{{if .Verified}}
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@ -2420,18 +2420,6 @@ a.ui.basic.label:hover {
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height: 2.1666em !important;
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height: 2.1666em !important;
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}
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}
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span.green .svg {
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color: var(--color-green);
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}
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span.red .svg {
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color: var(--color-red);
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}
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span.purple .svg {
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color: var(--color-purple);
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}
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.migrate .svg.gitea-git {
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.migrate .svg.gitea-git {
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color: var(--color-git);
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color: var(--color-git);
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}
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}
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@ -1,10 +1,10 @@
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<template>
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<template>
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<SvgIcon name="octicon-check-circle-fill" class="green" :size="size" :class-name="className" v-if="status === 'success'"/>
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<SvgIcon name="octicon-check-circle-fill" class="ui text green" :size="size" :class-name="className" v-if="status === 'success'"/>
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<SvgIcon name="octicon-skip" class="ui text grey" :size="size" :class-name="className" v-else-if="status === 'skipped'"/>
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<SvgIcon name="octicon-skip" class="ui text grey" :size="size" :class-name="className" v-else-if="status === 'skipped'"/>
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<SvgIcon name="octicon-clock" class="ui text yellow" :size="size" :class-name="className" v-else-if="status === 'waiting'"/>
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<SvgIcon name="octicon-clock" class="ui text yellow" :size="size" :class-name="className" v-else-if="status === 'waiting'"/>
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<SvgIcon name="octicon-blocked" class="ui text yellow" :size="size" :class-name="className" v-else-if="status === 'blocked'"/>
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<SvgIcon name="octicon-blocked" class="ui text yellow" :size="size" :class-name="className" v-else-if="status === 'blocked'"/>
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<SvgIcon name="octicon-meter" class="ui text yellow" :size="size" :class-name="'job-status-rotate ' + className" v-else-if="status === 'running'"/>
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<SvgIcon name="octicon-meter" class="ui text yellow" :size="size" :class-name="'job-status-rotate ' + className" v-else-if="status === 'running'"/>
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<SvgIcon name="octicon-x-circle-fill" class="red" :size="size" v-else/>
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<SvgIcon name="octicon-x-circle-fill" class="ui text red" :size="size" v-else/>
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</template>
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</template>
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<script>
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<script>
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@ -3,7 +3,7 @@
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<div v-if="loading" class="ui active centered inline loader"/>
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<div v-if="loading" class="ui active centered inline loader"/>
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<div v-if="!loading && issue !== null">
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<div v-if="!loading && issue !== null">
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<p><small>{{ issue.repository.full_name }} on {{ createdAt }}</small></p>
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<p><small>{{ issue.repository.full_name }} on {{ createdAt }}</small></p>
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<p><svg-icon :name="icon" :class="[color]" /> <strong>{{ issue.title }}</strong> #{{ issue.number }}</p>
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<p><svg-icon :name="icon" :class="['text', color]" /> <strong>{{ issue.title }}</strong> #{{ issue.number }}</p>
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<p>{{ body }}</p>
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<p>{{ body }}</p>
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<div>
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<div>
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<div
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<div
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@ -105,13 +105,32 @@ export function svg(name, size = 16, className = '') {
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const document = parser.parseFromString(svgs[name], 'image/svg+xml');
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const document = parser.parseFromString(svgs[name], 'image/svg+xml');
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const svgNode = document.firstChild;
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const svgNode = document.firstChild;
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if (size !== 16) svgNode.setAttribute('width', String(size));
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if (size !== 16) {
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if (size !== 16) svgNode.setAttribute('height', String(size));
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svgNode.setAttribute('width', String(size));
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// filter array to remove empty string
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svgNode.setAttribute('height', String(size));
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}
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if (className) svgNode.classList.add(...className.split(/\s+/).filter(Boolean));
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if (className) svgNode.classList.add(...className.split(/\s+/).filter(Boolean));
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return serializer.serializeToString(svgNode);
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return serializer.serializeToString(svgNode);
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}
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}
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export function svgParseOuterInner(name) {
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const svgStr = svgs[name];
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if (!svgStr) throw new Error(`Unknown SVG icon: ${name}`);
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// parse the SVG string to 2 parts
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// * svgInnerHtml: the inner part of the SVG, will be used as the content of the <svg> VNode
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// * svgOuter: the outer part of the SVG, including attributes
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// the builtin SVG contents are clean, so it's safe to use `indexOf` to split the content:
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// eg: <svg outer-attributes>${svgInnerHtml}</svg>
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const p1 = svgStr.indexOf('>'), p2 = svgStr.lastIndexOf('<');
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if (p1 === -1 || p2 === -1) throw new Error(`Invalid SVG icon: ${name}`);
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const svgInnerHtml = svgStr.slice(p1 + 1, p2);
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const svgOuterHtml = svgStr.slice(0, p1 + 1) + svgStr.slice(p2);
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const svgDoc = parser.parseFromString(svgOuterHtml, 'image/svg+xml');
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const svgOuter = svgDoc.firstChild;
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return {svgOuter, svgInnerHtml};
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}
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export const SvgIcon = {
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export const SvgIcon = {
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name: 'SvgIcon',
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name: 'SvgIcon',
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props: {
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props: {
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@ -120,6 +139,32 @@ export const SvgIcon = {
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className: {type: String, default: ''},
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className: {type: String, default: ''},
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},
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},
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render() {
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render() {
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return h('span', {innerHTML: svg(this.name, this.size, this.className)});
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const {svgOuter, svgInnerHtml} = svgParseOuterInner(this.name);
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// https://vuejs.org/guide/extras/render-function.html#creating-vnodes
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// the `^` is used for attr, set SVG attributes like 'width', `aria-hidden`, `viewBox`, etc
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const attrs = {};
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for (const attr of svgOuter.attributes) {
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if (attr.name === 'class') continue;
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attrs[`^${attr.name}`] = attr.value;
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}
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attrs[`^width`] = this.size;
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attrs[`^height`] = this.size;
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// make the <SvgIcon class="foo" class-name="bar"> classes work together
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const classes = [];
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for (const cls of svgOuter.classList) {
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classes.push(cls);
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}
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// TODO: drop the `className/class-name` prop in the future, only use "class" prop
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if (this.className) {
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classes.push(...this.className.split(/\s+/).filter(Boolean));
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}
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// create VNode
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return h('svg', {
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...attrs,
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class: classes,
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innerHTML: svgInnerHtml,
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});
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},
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},
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};
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};
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@ -1,8 +1,28 @@
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import {expect, test} from 'vitest';
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import {expect, test} from 'vitest';
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import {svg} from './svg.js';
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import {svg, SvgIcon, svgParseOuterInner} from './svg.js';
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import {createApp, h} from 'vue';
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test('svg', () => {
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test('svg', () => {
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expect(svg('octicon-repo')).toMatch(/^<svg/);
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expect(svg('octicon-repo')).toMatch(/^<svg/);
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expect(svg('octicon-repo', 16)).toContain('width="16"');
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expect(svg('octicon-repo', 16)).toContain('width="16"');
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expect(svg('octicon-repo', 32)).toContain('width="32"');
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expect(svg('octicon-repo', 32)).toContain('width="32"');
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});
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});
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test('svgParseOuterInner', () => {
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const {svgOuter, svgInnerHtml} = svgParseOuterInner('octicon-repo');
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expect(svgOuter.nodeName).toMatch('svg');
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expect(svgOuter.classList.contains('octicon-repo')).toBeTruthy();
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expect(svgInnerHtml).toContain('<path');
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});
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test('SvgIcon', () => {
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const root = document.createElement('div');
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createApp({render: () => h(SvgIcon, {name: 'octicon-link', size: 24, class: 'base', className: 'extra'})}).mount(root);
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const node = root.firstChild;
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expect(node.nodeName).toEqual('svg');
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expect(node.getAttribute('width')).toEqual('24');
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expect(node.getAttribute('height')).toEqual('24');
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expect(node.classList.contains('octicon-link')).toBeTruthy();
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expect(node.classList.contains('base')).toBeTruthy();
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expect(node.classList.contains('extra')).toBeTruthy();
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});
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