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Ross Kaffenberger @rossta Getting Lazy with Vue and PDFs

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Ross Kaffenberger @rossta Building a PDF Vue-er

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#dadjokes

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• ross kaffenberger @rossta

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rossta.net/vue-pdfjs-demo

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PDF.js fetching

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PDF.js rendering

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PDF.js in Vue

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Problem: Large PDFs

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•Lazy render: draw to canvas when visible •“Infinite” scroll: fetch pages in batches

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Iteration #1: Math!

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Problem: Vue cannot watch $el properties

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Manual work

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Next iteration:

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IntersectionObserver!

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Advantages

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•no $el property tracking •less code, fewer bugs •easier to extend

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Akryum/vue-observe-visibility

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Lesson: Opt for Vue-friendliness

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Lesson: Be curious and flexible

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rossta/vue-pdfjs-demo

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@rossta rossta.net/talks [email protected]