53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
importScripts('opentally.js');
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var wasm = wasm_bindgen;
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async function initWasm() {
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await wasm_bindgen('opentally_bg.wasm');
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postMessage({'type': 'init', 'version': wasm.version()});
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}
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initWasm();
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onmessage = function(evt) {
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if (evt.data.type === 'countElection') {
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let numbers;
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if (evt.data.numbers === 'rational') {
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numbers = 'Rational';
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} else if (evt.data.numbers === 'float64') {
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numbers = 'NativeFloat64';
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}
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// Init election
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let election = wasm['election_from_blt_' + numbers](evt.data.electionData);
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// Init results table
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postMessage({'type': 'initResultsTable', 'content': wasm['init_results_table_' + numbers](election)});
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// Init STV options
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let opts = wasm.STVOptions.new.apply(null, evt.data.optsStr);
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// Describe count
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postMessage({'type': 'describeCount', 'content': wasm['describe_count_' + numbers](evt.data.filePath, election, opts)});
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// Step election
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let state = wasm['CountState' + numbers].new(election);
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wasm['count_init_' + numbers](state, opts);
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postMessage({'type': 'updateResultsTable', 'result': wasm['update_results_table_' + numbers](1, state, opts)});
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postMessage({'type': 'updateStageComments', 'comment': wasm['update_stage_comments_' + numbers](state)});
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for (let stageNum = 2;; stageNum++) {
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let isDone = wasm['count_one_stage_' + numbers](state, opts);
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if (isDone) {
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break;
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}
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postMessage({'type': 'updateResultsTable', 'result': wasm['update_results_table_' + numbers](stageNum, state, opts)});
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postMessage({'type': 'updateStageComments', 'comment': wasm['update_stage_comments_' + numbers](state)});
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}
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postMessage({'type': 'updateResultsTable', 'result': wasm['finalise_results_table_' + numbers](state)});
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postMessage({'type': 'finalResultSummary', 'summary': wasm['final_result_summary_' + numbers](state)});
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}
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}
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