90 lines
2.5 KiB
JavaScript
90 lines
2.5 KiB
JavaScript
var utils = require("./utils");
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/**
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* Apply the operators that apply to the 'file:changed' event
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* @param {Rx.Observable} subject
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* @param options
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* @return {Rx.Observable<{type: string, files: Array<any>}>}
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*/
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function fileChanges(subject, options) {
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var operators = [
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{
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option: "reloadThrottle",
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fnName: "throttle"
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},
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{
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option: "reloadDelay",
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fnName: "delay"
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}
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];
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var scheduler = options.getIn(["debug", "scheduler"]);
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/**
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* Create a stream buffered/debounced stream of events
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*/
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var initial = getAggregatedDebouncedStream(subject, options, scheduler);
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return applyOperators(operators, initial, options, scheduler).map(function (items) {
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var paths = items.map(function (x) { return x.path; });
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if (utils.willCauseReload(paths, options.get("injectFileTypes").toJS())) {
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return {
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type: "reload",
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files: items
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};
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}
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return {
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type: "inject",
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files: items
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};
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});
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}
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module.exports.fileChanges = fileChanges;
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/**
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* Apply the operators that apply to the 'browser:reload' event
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* @param {Rx.Observable} subject
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* @param options
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* @returns {Rx.Observable}
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*/
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function applyReloadOperators(subject, options) {
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var operators = [
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{
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option: "reloadDebounce",
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fnName: "debounce"
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},
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{
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option: "reloadThrottle",
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fnName: "throttle"
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},
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{
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option: "reloadDelay",
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fnName: "delay"
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}
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];
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return applyOperators(operators, subject, options, options.getIn(["debug", "scheduler"]));
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}
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module.exports.applyReloadOperators = applyReloadOperators;
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/**
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* @param items
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* @param subject
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* @param options
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* @param scheduler
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*/
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function applyOperators(items, subject, options, scheduler) {
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return items.reduce(function (subject, item) {
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var value = options.get(item.option);
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if (value > 0) {
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return subject[item.fnName].call(subject, value, scheduler);
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}
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return subject;
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}, subject);
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}
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/**
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* @param subject
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* @param options
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* @param scheduler
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*/
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function getAggregatedDebouncedStream(subject, options, scheduler) {
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return subject
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.filter(function (x) {
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return options.get("watchEvents").indexOf(x.event) > -1;
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})
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.buffer(subject.debounce(options.get("reloadDebounce"), scheduler));
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}
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//# sourceMappingURL=file-event-handler.js.map
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