magic-string - npm Package Compare versions

Comparing version 0.29.0 to 0.30.0

dist/magic-string.cjs.js

@@ -382,2 +382,3 @@ 'use strict';
 			indentStr: { writable: true, value: undefined },
+			ignoreList: { writable: true, value: options.ignoreList },
 		});
@@ -500,7 +501,8 @@
 		return {
-			file: options.file ? options.file.split(/[/\\]/).pop() : null,
-			sources: [options.source ? getRelativePath(options.file || '', options.source) : null],
-			sourcesContent: options.includeContent ? [this.original] : [null],
+			file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
+			sources: [options.source ? getRelativePath(options.file || '', options.source) : (options.file || '')],
+			sourcesContent: options.includeContent ? [this.original] : undefined,
 			names,
 			mappings: mappings.raw,
+			x_google_ignoreList: this.ignoreList ? [sourceIndex] : undefined
 		};
@@ -1175,3 +1177,3 @@ }
 
-		['filename', 'indentExclusionRanges', 'separator'].forEach((option) => {
+		['filename', 'ignoreList', 'indentExclusionRanges', 'separator'].forEach((option) => {
 			if (!hasOwnProp.call(source, option)) source[option] = source.content[option];
@@ -1229,2 +1231,3 @@ });
 		const names = [];
+		let x_google_ignoreList = undefined;
 		this.sources.forEach((source) => {
@@ -1287,6 +1290,13 @@ Object.keys(source.content.storedNames).forEach((name) => {
 			}
+
+			if (source.ignoreList && sourceIndex !== -1) {
+				if (x_google_ignoreList === undefined) {
+					x_google_ignoreList = [];
+				}
+				x_google_ignoreList.push(sourceIndex);
+			}
 		});
 
 		return {
-			file: options.file ? options.file.split(/[/\\]/).pop() : null,
+			file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
 			sources: this.uniqueSources.map((source) => {
@@ -1300,2 +1310,3 @@ return options.file ? getRelativePath(options.file, source.filename) : source.filename;
 			mappings: mappings.raw,
+			x_google_ignoreList,
 		};
@@ -1302,0 +1313,0 @@ }

dist/magic-string.umd.js

@@ -472,2 +472,3 @@ (function (global, factory) {
 				indentStr: { writable: true, value: undefined },
+				ignoreList: { writable: true, value: options.ignoreList },
 			});
@@ -590,7 +591,8 @@
 			return {
-				file: options.file ? options.file.split(/[/\\]/).pop() : null,
-				sources: [options.source ? getRelativePath(options.file || '', options.source) : null],
-				sourcesContent: options.includeContent ? [this.original] : [null],
+				file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
+				sources: [options.source ? getRelativePath(options.file || '', options.source) : (options.file || '')],
+				sourcesContent: options.includeContent ? [this.original] : undefined,
 				names,
 				mappings: mappings.raw,
+				x_google_ignoreList: this.ignoreList ? [sourceIndex] : undefined
 			};
@@ -1265,3 +1267,3 @@ }
 
-			['filename', 'indentExclusionRanges', 'separator'].forEach((option) => {
+			['filename', 'ignoreList', 'indentExclusionRanges', 'separator'].forEach((option) => {
 				if (!hasOwnProp.call(source, option)) source[option] = source.content[option];
@@ -1319,2 +1321,3 @@ });
 			const names = [];
+			let x_google_ignoreList = undefined;
 			this.sources.forEach((source) => {
@@ -1377,6 +1380,13 @@ Object.keys(source.content.storedNames).forEach((name) => {
 				}
+
+				if (source.ignoreList && sourceIndex !== -1) {
+					if (x_google_ignoreList === undefined) {
+						x_google_ignoreList = [];
+					}
+					x_google_ignoreList.push(sourceIndex);
+				}
 			});
 
 			return {
-				file: options.file ? options.file.split(/[/\\]/).pop() : null,
+				file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
 				sources: this.uniqueSources.map((source) => {
@@ -1390,2 +1400,3 @@ return options.file ? getRelativePath(options.file, source.filename) : source.filename;
 				mappings: mappings.raw,
+				x_google_ignoreList,
 			};
@@ -1392,0 +1403,0 @@ }

index.d.ts

@@ -68,3 +68,13 @@ export interface BundleOptions {
   constructor(options?: BundleOptions);
-  addSource(source: MagicString | { filename?: string, content: MagicString }): Bundle;
+  /**
+   * Adds the specified source to the bundle, which can either be a `MagicString` object directly,
+   * or an options object that holds a magic string `content` property and optionally provides
+   * a `filename` for the source within the bundle, as well as an optional `ignoreList` hint
+   * (which defaults to `false`). The `filename` is used when constructing the source map for the
+   * bundle, to identify this `source` in the source map's `sources` field. The `ignoreList` hint
+   * is used to populate the `x_google_ignoreList` extension field in the source map, which is a
+   * mechanism for tools to signal to debuggers that certain sources should be ignored by default
+   * (depending on user preferences).
+   */
+  addSource(source: MagicString | { filename?: string, content: MagicString, ignoreList?: boolean }): Bundle;
   append(str: string, options?: BundleOptions): Bundle;
@@ -121,3 +131,3 @@ clone(): Bundle;
    * Appends the specified content at the index in the original string.
-   * If a range *ending* with index is subsequently moved, the insert will be moved with it. 
+   * If a range *ending* with index is subsequently moved, the insert will be moved with it.
    * See also `s.prependLeft(...)`.
@@ -167,3 +177,3 @@ */
   /**
-   * Replaces the characters from `start` to `end` with `content`, along with the appended/prepended content in 
+   * Replaces the characters from `start` to `end` with `content`, along with the appended/prepended content in
    * that range. The same restrictions as `s.remove()` apply.
@@ -174,3 +184,3 @@ *
    * the content is overwritten, or anything that was appended/prepended to the range as well.
-   * 
+   *
    * It may be preferred to use `s.update(...)` instead if you wish to avoid overwriting the appended/prepended content.
@@ -188,3 +198,3 @@ */
   /**
-   * Prepends the string with the specified content. 
+   * Prepends the string with the specified content.
    */
@@ -191,0 +201,0 @@ prepend(content: string): MagicString;

package.json

 {
   "name": "magic-string",
-  "version": "0.29.0",
+  "version": "0.30.0",
   "description": "Modify strings, generate sourcemaps",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -69,6 +69,7 @@ # magic-string
 const s = new MagicString(someCode, {
-  // both these options will be used if you later
-  // call `bundle.addSource( s )` - see below
+  // these options will be used if you later call `bundle.addSource( s )` - see below
   filename: 'foo.js',
-  indentExclusionRanges: [/*...*/]
+  indentExclusionRanges: [/*...*/],
+  // market source as ignore in DevTools, see below #Bundling
+  ignoreList: false
 });
@@ -255,2 +256,11 @@ ```
 
+// Sources can be marked as ignore-listed, which provides a hint to debuggers
+// to not step into this code and also don't show the source files depending
+// on user preferences.
+bundle.addSource({
+  filename: 'some-3rdparty-library.js',
+  content: new MagicString('function myLib(){}'),
+  ignoreList: false // <--
+})
+
 // Advanced: a source can include an `indentExclusionRanges` property
@@ -257,0 +267,0 @@ // alongside `filename` and `content`. This will be passed to `s.indent()`

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Improved metrics

Total package byte prevSize

411167

increased by1.25%

Lines of code

3772

increased by1.07%

Number of lines in readme file

300

increased by3.45%

No dependency changes