88 lines
3.4 KiB
JavaScript
88 lines
3.4 KiB
JavaScript
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var loaderUtils = require("loader-utils");
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var path = require('path');
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var jsesc = require('jsesc');
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module.exports = function (content) {
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this.cacheable && this.cacheable();
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var options = loaderUtils.getOptions(this) || {};
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var ngModule = getAndInterpolateOption.call(this, 'module', 'ng'); // ng is the global angular module that does not need to explicitly required
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var relativeTo = getAndInterpolateOption.call(this, 'relativeTo', '');
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var prefix = getAndInterpolateOption.call(this, 'prefix', '');
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var requireAngular = !!options.requireAngular || false;
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var absolute = false;
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var pathSep = options.pathSep || '/';
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var resource = this.resource;
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var pathSepRegex = new RegExp(escapeRegExp(path.sep), 'g');
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// if a unix path starts with // we treat is as an absolute path e.g. //Users/wearymonkey
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// if we're on windows, then we ignore the / prefix as windows absolute paths are unique anyway e.g. C:\Users\wearymonkey
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if (relativeTo[0] === '/') {
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if (path.sep === '\\') { // we're on windows
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relativeTo = relativeTo.substring(1);
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} else if (relativeTo[1] === '/') {
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absolute = true;
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relativeTo = relativeTo.substring(1);
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}
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}
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// normalise the path separators
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if (path.sep !== pathSep) {
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relativeTo = relativeTo.replace(pathSepRegex, pathSep);
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prefix = prefix.replace(pathSepRegex, pathSep);
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resource = resource.replace(pathSepRegex, pathSep)
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}
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var relativeToIndex = resource.indexOf(relativeTo);
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if (relativeToIndex === -1 || (absolute && relativeToIndex !== 0)) {
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throw new Error('The path for file doesn\'t contain relativeTo param');
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}
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// a custom join of prefix using the custom path sep
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var filePath = [prefix, resource.slice(relativeToIndex + relativeTo.length)]
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.filter(Boolean)
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.join(pathSep)
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.replace(new RegExp(escapeRegExp(pathSep) + '+', 'g'), pathSep);
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var html;
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if (content.match(/^module\.exports/)) {
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var firstQuote = findQuote(content, false);
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var secondQuote = findQuote(content, true);
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html = content.substr(firstQuote, secondQuote - firstQuote + 1);
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} else {
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html = content;
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}
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return "var path = '"+jsesc(filePath)+"';\n" +
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"var html = " + html + ";\n" +
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(requireAngular ? "var angular = require('angular');\n" : "window.") +
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"angular.module('" + ngModule + "').run(['$templateCache', function(c) { c.put(path, html) }]);\n" +
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"module.exports = path;";
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function getAndInterpolateOption(optionKey, def) {
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return options[optionKey]
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? loaderUtils.interpolateName(this, options[optionKey], {
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context: options.context,
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content: content,
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regExp: options[optionKey + 'RegExp'] || options['regExp']
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})
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: def
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}
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function findQuote(content, backwards) {
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var i = backwards ? content.length - 1 : 0;
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while (i >= 0 && i < content.length) {
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if (content[i] === '"' || content[i] === "'") {
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return i;
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}
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i += backwards ? -1 : 1;
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}
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return -1;
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}
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// source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Using_Special_Characters
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function escapeRegExp(string) {
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return string.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
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}
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};
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