| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | const tslib_1 = require("tslib");
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| 4 | const fs_1 = tslib_1.__importDefault(require("fs"));
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| 5 | const humanize_list_1 = tslib_1.__importDefault(require("humanize-list"));
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| 6 | const BuildError_1 = tslib_1.__importDefault(require("./util/BuildError"));
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| 7 | const diagnostics_1 = require("./diagnostics");
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| 8 | function findEntryPoint(possibilities, options) {
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| 9 | const { onDiagnostic, notFoundIsFatal, component } = Object.assign({ notFoundIsFatal: true }, options);
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| 10 | const foundEntryPoints = possibilities.filter((path) => fs_1.default.existsSync(path));
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| 11 | let entryPoint;
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| 12 | if (foundEntryPoints.length === 1)
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| 13 | entryPoint = foundEntryPoints[0];
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| 14 | else if (foundEntryPoints.length === 0) {
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| 15 | const possibilitiesStr = humanize_list_1.default(possibilities, { conjunction: 'or' });
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| 16 | if (notFoundIsFatal) {
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| 17 | throw new BuildError_1.default(`No ${component} entry point found! None of ${possibilitiesStr} are present in the project.`);
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| 18 | }
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| 19 | else {
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| 20 | onDiagnostic({
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| 21 | category: diagnostics_1.DiagnosticCategory.Warning,
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| 22 | messageText: `This project is being built without a ${component} component. Create a file named ${possibilitiesStr} to add a ${component} component to your project.`,
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| 23 | });
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| 24 | }
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| 25 | }
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| 26 | else if (foundEntryPoints.length > 1) {
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| 27 | throw new BuildError_1.default(`Multiple ${component} entry points found! ${humanize_list_1.default(foundEntryPoints)} are all valid entry points; rename all but one and try again.`);
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| 28 | }
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| 29 | return entryPoint;
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| 30 | }
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| 31 | exports.default = findEntryPoint;
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