1 | const _forEach = require('lodash.foreach');
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2 | const Dependency = require('./Dependency');
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3 |
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4 | const rall = /.+/;
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5 |
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6 | module.exports = {
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7 |
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8 | warnIfNeeded(name) {
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9 | if (this.hasDependency(name)) {
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10 | this.logger.warn(`warning: ${name} dependency is being overwritten in ${this.name} injector`);
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11 | }
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12 | },
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13 |
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14 | addResolvableDependency(name, dependency, suppressWarning = false) {
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15 | if (!suppressWarning) {
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16 | this.warnIfNeeded(name);
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17 | }
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18 | this.dependencies[name] = Dependency.resolvableDependency(name, dependency);
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19 | return this;
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20 | },
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21 |
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22 | addDependency(name, dependency, suppressWarning = false) {
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23 | if (!suppressWarning) {
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24 | this.warnIfNeeded(name);
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25 | }
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26 | this.dependencies[name] = Dependency.dependency(name, dependency);
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27 | return this;
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28 | },
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29 |
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30 | addConstructedDependency(name, dependency, suppressWarning = false) {
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31 | if (!suppressWarning) {
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32 | this.warnIfNeeded(name);
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33 | }
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34 | this.dependencies[name] = dependency;
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35 | return this;
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36 | },
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37 |
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38 | removeDependency(name) {
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39 | delete this.dependencies[name];
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40 | return this;
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41 | },
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42 |
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43 | getDependency(name) {
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44 | return this.dependencies[name];
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45 | },
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46 |
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47 | hasDependency(name) {
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48 | return !!this.dependencies[name];
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49 | },
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50 |
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51 | merge(otherInjector, suppressWarning = false) {
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52 | const dependencies = otherInjector.dependencies;
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53 |
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54 | _forEach(dependencies, (value, name) => {
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55 | const dependency = dependencies[name];
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56 | this.addConstructedDependency(name, dependency, suppressWarning);
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57 | });
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58 | return this;
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59 | },
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60 |
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61 | use(otherInjector, suppressWarning = false) {
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62 | return this.merge(otherInjector, suppressWarning);
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63 | },
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64 |
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65 | exposeAll() {
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66 | return this.expose(rall);
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67 | },
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68 |
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69 | expose(exposedDeps) {
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70 | this.exposedDeps = exposedDeps;
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71 | return this;
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72 | },
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73 |
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74 | link(otherInjector) {
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75 | const deps = otherInjector.resolveExposedDependencies();
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76 | return this.registerDependencies(deps);
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77 | }
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78 | };
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