74 lines
5.2 KiB
JavaScript
74 lines
5.2 KiB
JavaScript
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"use strict";
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// This file contains code that makes it easy to search handlebar templates for variables.
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// Why? To get a clue if you are missing some.
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
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result["default"] = mod;
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const plugins = __importStar(require("./smarthbs.plugins"));
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// the curly regex objects
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let tripleCurlyRegex = /{{{\s*[\w\.]+\s*}}}/g;
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let doubleCurlyRegex = /{{\s*[\w\.]+\s*}}/g;
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let nameInCurlsRegex = /[\w\.]+/;
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/**
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* finds all variables in a handlebars template
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* @param hbsStringArg
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*/
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exports.findVarsInHbsString = async (hbsStringArg) => {
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let hbsString = hbsStringArg; // make sure we have a new string object that we may destroy
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let varNameArray = [];
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let tripleCurlyMatches = hbsString.match(tripleCurlyRegex);
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if (tripleCurlyMatches) {
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hbsString = hbsString.replace(tripleCurlyRegex, '[[[replaced]]]');
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varNameArray = varNameArray.concat(tripleCurlyMatches);
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}
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let doubleCurlyMatches = hbsString.match(doubleCurlyRegex);
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if (doubleCurlyMatches) {
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varNameArray = varNameArray.concat(doubleCurlyMatches);
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}
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// make sure we are clean from curly brackets
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varNameArray = varNameArray.map(x => {
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return x.match(nameInCurlsRegex)[0];
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});
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// make sure are uniq
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varNameArray = plugins.lodashUniq(varNameArray);
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return varNameArray;
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};
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/**
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* checks if supplied variables satisfy an handlebars template
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* @param hbsStringArg
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* @param varObjectArg
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* @return string array with missing variable names
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*/
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exports.checkVarsSatisfaction = async (hbsStringArg, varObjectArg) => {
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// required vars as combined deep string with . notation
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let requiredVarStrings = await exports.findVarsInHbsString(hbsStringArg);
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// comparison objects
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let suppliedVarsObject = varObjectArg;
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let missingVarsObject = [];
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// building the
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for (let stringVar of requiredVarStrings) {
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let splittedVars = stringVar.split('.');
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let requiredPointer = suppliedVarsObject;
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for (let i = 0; i < splittedVars.length; i++) {
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let splitVar = splittedVars[i];
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let varAvailable = requiredPointer[splitVar] !== undefined;
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if (varAvailable && splittedVars.length === i + 1) {
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// ok
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}
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else if (varAvailable) {
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requiredPointer = requiredPointer[splitVar];
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}
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else {
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missingVarsObject.push(stringVar);
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i = splittedVars.length;
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}
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}
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}
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return missingVarsObject;
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};
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