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<div :class=\"{'show':show}\" class=\"header-search\">\n <svg-icon class-name=\"search-icon\" icon-class=\"search\" @click.stop=\"click\" />\n <el-select\n ref=\"headerSearchSelect\"\n v-model=\"search\"\n :remote-method=\"querySearch\"\n filterable\n default-first-option\n remote\n placeholder=\"Search\"\n class=\"header-search-select\"\n @change=\"change\"\n >\n <el-option v-for=\"item in options\" :key=\"item.path\" :value=\"item\" :label=\"item.title.join(' > ')\" />\n </el-select>\n </div>\n</template>\n\n<script>\n// fuse is a lightweight fuzzy-search module\n// make search results more in line with expectations\nimport Fuse from 'fuse.js'\nimport path from 'path'\n\nexport default {\n name: 'HeaderSearch',\n data() {\n return {\n search: '',\n options: [],\n searchPool: [],\n show: false,\n fuse: undefined\n }\n },\n computed: {\n routes() {\n return this.$store.getters.permission_routes\n }\n },\n watch: {\n routes() {\n this.searchPool = this.generateRoutes(this.routes)\n },\n searchPool(list) {\n this.initFuse(list)\n },\n show(value) {\n if (value) {\n document.body.addEventListener('click', this.close)\n } else {\n document.body.removeEventListener('click', this.close)\n }\n }\n },\n mounted() {\n this.searchPool = this.generateRoutes(this.routes)\n },\n methods: {\n click() {\n this.show = !this.show\n if (this.show) {\n this.$refs.headerSearchSelect && this.$refs.headerSearchSelect.focus()\n }\n },\n close() {\n this.$refs.headerSearchSelect && this.$refs.headerSearchSelect.blur()\n this.options = []\n this.show = false\n },\n change(val) {\n this.$router.push(val.path)\n this.search = ''\n this.options = []\n this.$nextTick(() => {\n this.show = false\n })\n },\n initFuse(list) {\n this.fuse = new Fuse(list, {\n shouldSort: true,\n threshold: 0.4,\n location: 0,\n distance: 100,\n maxPatternLength: 32,\n minMatchCharLength: 1,\n keys: [{\n name: 'title',\n weight: 0.7\n }, {\n name: 'path',\n weight: 0.3\n }]\n })\n },\n // Filter out the routes that can be displayed in the sidebar\n // And generate the internationalized title\n generateRoutes(routes, basePath = '/', prefixTitle = []) {\n let res = []\n\n for (const router of routes) {\n // skip hidden router\n if (router.hidden) { continue }\n\n const data = {\n path: path.resolve(basePath, router.path),\n title: [...prefixTitle]\n }\n\n if (router.meta && router.meta.title) {\n data.title = [...data.title, router.meta.title]\n\n if (router.redirect !== 'noRedirect') {\n // only push the routes with title\n // special case: need to exclude parent router without redirect\n res.push(data)\n }\n }\n\n // recursive child routes\n if (router.children) {\n const tempRoutes = this.generateRoutes(router.children, data.path, data.title)\n if (tempRoutes.length >= 1) {\n res = [...res, ...tempRoutes]\n }\n }\n }\n return res\n },\n querySearch(query) {\n if (query !== '') {\n this.options = this.fuse.search(query)\n } else {\n this.options = []\n }\n }\n }\n}\n</script>\n\n<style lang=\"scss\" scoped>\n.header-search {\n font-size: 0 !important;\n\n .search-icon {\n cursor: pointer;\n font-size: 18px;\n vertical-align: middle;\n }\n\n .header-search-select {\n font-size: 18px;\n transition: width 0.2s;\n width: 0;\n overflow: hidden;\n background: transparent;\n border-radius: 0;\n display: inline-block;\n vertical-align: middle;\n\n ::v-deep .el-input__inner {\n border-radius: 0;\n border: 0;\n padding-left: 0;\n padding-right: 0;\n box-shadow: none !important;\n border-bottom: 1px solid #d9d9d9;\n vertical-align: middle;\n }\n }\n\n &.show {\n .header-search-select {\n width: 210px;\n margin-left: 10px;\n }\n }\n}\n</style>\n"]}]}
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