point imports at the new locations

scripts/fixup-imports.pl

@@ -0,0 +1,27 @@
+#!/usr/bin/perl -pi
+
+# pass in a list of filenames whose imports should be fixed up to be relative
+# to matrix-react-sdk rather than vector-web.
+# filenames must be relative to src/ - e.g. ./components/moo/Moo.js
+
+# run with something like:
+# sierra:src matthew$ grep -ril 'require(.matrix-react-sdk' . | xargs ../scripts/fixup-imports.pl 
+# sierra:src matthew$ grep -ril 'import.*matrix-react-sdk' . | xargs ../scripts/fixup-imports.pl 
+
+# e.g. turning:
+# var rate_limited_func = require('matrix-react-sdk/lib/ratelimitedfunc');
+#
+# into:
+# const rate_limited_func = require('../../ratelimitedfunc'); 
+#
+# ...if the current file is two levels deep inside lib.
+
+$depth = () = $ARGV =~ m#/#g;
+$depth--;
+$prefix = $depth > 0 ? ('../' x $depth) : './';
+
+s/= require\(['"]matrix-react-sdk\/lib\/(.*?)['"]\)/= require('$prefix$1')/;
+s/= require\(['"]matrix-react-sdk['"]\)/= require('${prefix}index')/;
+
+s/^(import .* from )['"]matrix-react-sdk\/lib\/(.*?)['"]/$1'$prefix$2'/;
+s/^(import .* from )['"]matrix-react-sdk['"]/$1'${prefix}index'/;