86 lines
1.9 KiB
Vue
86 lines
1.9 KiB
Vue
<!-- eslint-disable vue/multi-word-component-names -->
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<script>
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import Page from './page/index.vue';
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let pdfjs;
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let getDocument;
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let GlobalWorkerOptions;
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export default {
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components: { Page },
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props: {
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pdf: {
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type: [String, Uint8Array],
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required: true,
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},
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},
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data() {
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return {
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pages: [],
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};
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},
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computed: {
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document() {
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return typeof this.pdf === 'string' ? this.pdf : { data: this.pdf };
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},
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hasPDF() {
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return this.pdf && this.pdf.length > 0;
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},
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availablePages() {
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return this.pages.filter(Boolean);
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},
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},
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watch: { pdf: 'load' },
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mounted() {
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if (this.hasPDF) this.load();
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},
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methods: {
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async loadPDFJS() {
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// eslint-disable-next-line import/extensions
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pdfjs = await import('pdfjs-dist/legacy/build/pdf.mjs');
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({ getDocument, GlobalWorkerOptions } = pdfjs);
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GlobalWorkerOptions.workerSrc = process.env.PDF_JS_WORKER_PUBLIC_PATH;
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},
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async load() {
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await this.loadPDFJS();
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this.pages = [];
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return getDocument({
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url: this.document,
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cMapUrl: process.env.PDF_JS_CMAPS_PUBLIC_PATH,
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cMapPacked: true,
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isEvalSupported: true,
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})
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.promise.then(this.renderPages)
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.then((pages) => {
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this.pages = pages;
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this.$emit('pdflabload', pages.length);
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})
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.catch((error) => {
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this.$emit('pdflaberror', error);
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});
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},
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renderPages(pdf) {
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const pagePromises = [];
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for (let num = 1; num <= pdf.numPages; num += 1) {
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pagePromises.push(pdf.getPage(num));
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}
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return Promise.all(pagePromises);
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},
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},
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};
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</script>
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<template>
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<div v-if="hasPDF" class="pdf-viewer">
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<page v-for="(page, index) in availablePages" :key="index" :page="page" :number="index + 1" />
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</div>
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</template>
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<style>
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.pdf-viewer {
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background: url('./assets/img/bg.gif');
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display: flex;
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flex-flow: column nowrap;
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}
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</style>
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