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Consolidate template modules.

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This commit is contained in:
John-David Dalton
2017-01-12 11:05:53 -08:00
parent 563059c4b9
commit 085dc1aa01
2 changed files with 19 additions and 26 deletions
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22
.internal/escapeStringChar.js
View File

@@ -1,22 +0,0 @@
/** Used to escape characters for inclusion in compiled string literals. */
const stringEscapes = {
'\\': '\\',
"'": "'",
'\n': 'n',
'\r': 'r',
'\u2028': 'u2028',
'\u2029': 'u2029'
};
/**
* Used by `template` to escape characters for inclusion in compiled string literals.
*
* @private
* @param {string} chr The matched character to escape.
* @returns {string} Returns the escaped character.
*/
function escapeStringChar(chr) {
return `\\${ stringEscapes[chr] }`;
}
export default escapeStringChar;

23
template.js
View File

@@ -2,7 +2,6 @@ import assignInWith from './assignInWith.js';
import attempt from './attempt.js';
import baseValues from './.internal/baseValues.js';
import customDefaultsAssignIn from './.internal/customDefaultsAssignIn.js';
import escapeStringChar from './.internal/escapeStringChar.js';
import isError from './isError.js';
import isIterateeCall from './.internal/isIterateeCall.js';
import keys from './keys.js';
@@ -27,6 +26,16 @@ const reNoMatch = /($^)/;
/** Used to match unescaped characters in compiled string literals. */
const reUnescapedString = /['\n\r\u2028\u2029\\]/g;
/** Used to escape characters for inclusion in compiled string literals. */
const stringEscapes = {
'\\': '\\',
"'": "'",
'\n': 'n',
'\r': 'r',
'\u2028': 'u2028',
'\u2029': 'u2029'
};
/**
* Creates a compiled template function that can interpolate data properties
* in "interpolate" delimiters, HTML-escape interpolated data properties in
@@ -161,7 +170,9 @@ function template(string, options, guard) {
, 'g');
// Use a sourceURL for easier debugging.
const sourceURL = 'sourceURL' in options ? `//# sourceURL=${ options.sourceURL }\n` : '';
const sourceURL = 'sourceURL' in options
? `//# sourceURL=${ options.sourceURL }\n`
: '';
string.replace(reDelimiters, (
match,
@@ -174,7 +185,9 @@ function template(string, options, guard) {
interpolateValue || (interpolateValue = esTemplateValue);
// Escape characters that can't be included in string literals.
source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
source += string
.slice(index, offset)
.replace(reUnescapedString, chr => `\\${ stringEscapes[chr] }`);
// Replace delimiters with snippets.
if (escapeValue) {
@@ -227,7 +240,9 @@ function template(string, options, guard) {
source +
'return __p\n}';
const result = attempt(() => Function(importsKeys, `${ sourceURL }return ${ source }`))(...importsValues);
const result = attempt(() => (
Function(importsKeys, `${ sourceURL }return ${ source }`))(...importsValues)
);
// Provide the compiled function's source by its `toString` method or
// the `source` property as a convenience for inlining compiled templates.