ce4c83ff
 wxy
初始提交
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = literalTemplate;
var _options = require("./options");
var _parse = _interopRequireDefault(require("./parse"));
var _populate = _interopRequireDefault(require("./populate"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function literalTemplate(formatter, tpl, opts) {
var _buildLiteralData = buildLiteralData(formatter, tpl, opts),
metadata = _buildLiteralData.metadata,
names = _buildLiteralData.names;
return function (arg) {
var defaultReplacements = arg.reduce(function (acc, replacement, i) {
acc[names[i]] = replacement;
return acc;
}, {});
return function (arg) {
var replacements = (0, _options.normalizeReplacements)(arg);
if (replacements) {
Object.keys(replacements).forEach(function (key) {
if (Object.prototype.hasOwnProperty.call(defaultReplacements, key)) {
throw new Error("Unexpected replacement overlap.");
}
});
}
return formatter.unwrap((0, _populate.default)(metadata, replacements ? Object.assign(replacements, defaultReplacements) : defaultReplacements));
};
};
}
function buildLiteralData(formatter, tpl, opts) {
var names;
var nameSet;
var metadata;
var prefix = "";
do {
prefix += "$";
var result = buildTemplateCode(tpl, prefix);
names = result.names;
nameSet = new Set(names);
metadata = (0, _parse.default)(formatter, formatter.code(result.code), {
parser: opts.parser,
placeholderWhitelist: new Set(result.names.concat(opts.placeholderWhitelist ? Array.from(opts.placeholderWhitelist) : [])),
placeholderPattern: opts.placeholderPattern,
preserveComments: opts.preserveComments
});
} while (metadata.placeholders.some(function (placeholder) {
return placeholder.isDuplicate && nameSet.has(placeholder.name);
}));
return {
metadata: metadata,
names: names
};
}
function buildTemplateCode(tpl, prefix) {
var names = [];
var code = tpl[0];
for (var i = 1; i < tpl.length; i++) {
var value = "" + prefix + (i - 1);
names.push(value);
code += value + tpl[i];
}
return {
names: names,
code: code
};
}
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